Hino Motors HINO 155 series Workshop Manual Download

Page: 738 / 860

ENGINE (J05E)/TROUBLESHOOTING

2–702

DTC: P0686

EN01H02127030602016115

P0686: ECM/PCM Power Relay Control Circuit high

INFORMATION

Technical description

•

The main relay (EDU relay) supplies power from the battery to the ECU.

<Description of malfunction>

•

The main relay cannot be turned OFF.

DTC set condition

(1)

DTC detection condition

•

Battery voltage is in the range of 10 V to 16 V.

(2)

Judgement criteria

•

With the main relay in OFF position, 8 V or higher power supply voltage remains for 60 seconds.

Reset condition

•

After restoration to normal condition.

Indication, warning or system control regulation when the DTC is set.

•

MIL: OFF

•

SVS light: ON

X0D

XAU

JFZ

X21

$XT

X64

3.2 (Inrush : 6.87A)

(MREL)

(MRL2)

YRC

YRD

YRA

YRB

(INJ)

X04

(L )

(IREL)

(B)

(B2)

(+B)

(+B1)

(+B2)

(+BM)

Engine ECU

EDU relay

SHTS021270300642

Summary of Contents for HINO 155 series

Page 1: ...specifications in this manual are based upon the latest product information available at the time of printing Hino Motors Sales U S A Inc reserves the right to make changes at any time without prior n...

Page 2: ...opriate chapter numbers for servicing your particular vehicle CHAPTER MANUAL No S7 LXJE05A 1 5 U S A S7 LXJE06A 1 5 CANADA MODELS HINO 155 155h 195 195h Production Code XFC710 XFC720 XFC730 XFC740 XJC...

Page 3: ...USPENSION BODY CONSTRUCTION INDEX TROUBLE SHOOTING GROUP 1 2 SUSPENSION WORKSHOP MANUAL All rights reserved This manual may not be reproduced or copied in whole in part with out the written consent of...

Page 4: ...CONTROL SYSTEM INDEX TROUBLE SHOOTING GROUP 2 2 ELECTRICAL...

Page 5: ...CATION INFORMATION 1 10 SAFETY INSTRUCTIONS FOR WORK 1 13 PRECAUTIONS 1 13 INTRODUCTION TO WORKSHOP MANUAL 1 17 GENERAL 1 17 INTRODUCTION TO DESCRIPTIONS 1 18 DEFINITION OF TERM 1 21 TROUBLE SHOOTING...

Page 6: ...SUPER LONG OPEN 840 mm 33 in 2 900 mm 114 in 3 500 mm 138 in 3 800 mm 150 in 4 100 mm 161 in 0 TYPE OF SUSPENSION FRONT RIGID REAR RIGID CAB FORM BRAKE TYPE CAB FORM BRAKE TYPE STEERING WHEEL POSITIO...

Page 7: ...apan K HINO MOTORS LTD Hamura Plant in Japan K Canada Plant COE N 2022 P 2023 H 2017 J 2018 R S T U V W X Y P H K L HINO 195h HINO 195 HINO 195 HINO 195 HINO 155 HINO 155 HINO 155 HINO 155 HINO 195 HI...

Page 8: ...GENERAL INTRODUCTION APPEARANCE OF VEHICLE 1 4 APPEARANCE OF VEHICLE APPEARANCE APPEARANCE OF VEHICLE EN01H01ZZZ020101003001 SHTS01ZZZ0200001...

Page 9: ...e running Removing the key from the switch is recommended To avoid serious burns keep yourself away from hot metal parts such as the engine exhaust manifold radia tor muffler exhaust pipe and tail pip...

Page 10: ...the cab and there are no obstacles in front of the vehicle or above the cab The catch E stopper F stay G and other parts such as the engine radiator and exhaust pipe can be very hot while your vehicl...

Page 11: ...al hazardous situation if proper procedures are not followed and could result in death or serious injury Indicates a hazardous situation if proper procedures are not followed and could result in serio...

Page 12: ...nning 6 Make sure that the engine of the towed vehicle is kept running If the engine is off no compressed air no vac uum will be available for the brake This is dangerous as the brake system does not...

Page 13: ...not be erased or reset without diagnosing and responding appropriately to the diagnostic codes regardless of whether the sys tems are installed to satisfy requirements in 86 004 25 or for other reaso...

Page 14: ...er s Plate 2 VIN See VEHICLE IDENTIFICATION NUMBER VIN STRUC TURE on the following page 3 PRODUCTION CODE AND VEHICLE COMPONENTS A B SHTS01ZZZ0300007 MODEL CLASS HINO 155h 4 HINO 155 4 HINO 195h 5 HIN...

Page 15: ...shown in the illustration A J05E 4 TRANSMISSION SERIAL NUMBER 1 The transmission serial number is stamped on the transmis sion as shown in the illustration A A465 5 CLEAN IDLE CERTIFIED LABEL FOR U S...

Page 16: ...The Vehicle Emission Control Information is affixed to the side of the right door The name of manufacturer production year and month and emission applicable to medium and heavy trucks in conformity wi...

Page 17: ...properly and DCU will not complete working properly which may result in the malfunc tion of DPR system and DEF SCR system The MIL malfunction indicator light may come on when the starter key is turned...

Page 18: ...attention that water and foreign matters do not attach or enter to the connector terminals electric component box and cover In restoration make sure there is no attachment or entry of water and foreig...

Page 19: ...and use an inspection harness 5 Installation of battery disconnect switch WARNING Installation of the battery disconnect switch on the power supply circuit for the dosing control unit of DEF SCR DCU m...

Page 20: ...ake pipes or fuel pipes and leaf spring etc a Turn the starter switch off b Disconnect the battery s negative terminal of the battery c Earth welding equipment securely near to the area to be welded d...

Page 21: ...n actual repair work a Jacking and lifting b Cleaning and washing of removed parts as required c Visual check 2 STANDARD VALUE 1 Standard values limits required actions and tightening torques are tabu...

Page 22: ...READINESS TO WORK 1 18 INTRODUCTION TO DESCRIPTIONS EN01H01ZZZ030102002002 1 TROUBLE SHOOTING FOR EACH TROUBLE SYMPTOM WITH REFERENCE TO THE CHART SHTS01ZZZ0300019 A possible cause and remedy preventi...

Page 23: ...ation test Step 4 Verify that the same trouble will not occur after trouble shoot ing If a trouble is not reproducible enough conduct a verifi cation test under the reproduced conditions and environme...

Page 24: ...COMMON ITEMS TROUBLESHOOTING 2 466 INSPECTION PROCEDURE P0606 1 Turn the starter key to the LOCK position 2 Connect the diagnostic tester HINO DX to the vehicle 3 Turn the starter key to the ON positi...

Page 25: ...VICES 1 Longitudinal direction a The input side and the output side of motive power are defined as a front side and a rear side respectively 2 Rotational direction a The clockwise direction and the co...

Page 26: ...on Inspection is not available in check mode 1 CONNECTION OF DIAGNOSIS CHECK WIRE 1 Turn the starter key to the LOCK position 2 Use a SST to short circuit DLC3 12 TS or 13 TC 4 CG terminals SST 09843...

Page 27: ...ferent diagnosis monitor code out putting patterns follow the descriptions provided for each sys tem HINT This figure indicates a typical indication of diagnosis monitor codes For details refer to the...

Page 28: ...N01H01ZZZ040301002002 1 TAG CODE AND SYSTEM NAME LIST FOR DEDICATED HARNESS No Tag name Name of system to be diagnosed 1 STD ENG Common rail 3 STD AIR BAG Not used 5 STD ABS ASR ABS 7 STD ES START Not...

Page 29: ...es refer to the HINO DX OPERATION MANUAL supplied on the Global Service Portal Site Hino GSPS 2 CONNECTION OF HINO DX 1 Connect the DST i to the trouble diagnosis connector located in the electrical c...

Page 30: ...an 1GHz Memory More than 1Gbyte HDD More than 100Gbyte DENSO DST i Set without LCD Without Bluetooth 95171 01021 With Bluetooth 95171 01041 Computer interface These parts are supplied by DENSO Dis tri...

Page 31: ...pact Disc Read Only Memory CPU Central Processing Unit dB Decibel DC Direct Current D CAT Diesel Clean Advanced Technology System DC motor Direct Current Motor DCU Dosing Control Unit DEF Diesel Exhau...

Page 32: ...egrated Circuits ID Identification IPD Intelligent Power Device IS Idling Stop ISO International Organization for Standardization JIS Japanese Industrial Standards LED Light Emitting Diode LEV Low Emi...

Page 33: ...S Power Steering PTO Power Take Off PVD Physical Vapor Deposit PWR Power QR code Quick Response Code R A Rear Axle RH Right Hand SCR Selective Catalytic Reduction SCV Suction Control Valve SST Special...

Page 34: ...T DOC Diesel Oxidation Catalyst AFTDOS AFTER TREATMENT DOSER AFTDOS Dosing AFTDPF AFTER TREATMENT DIESEL PARTICU LATE FILTER DPR filter AFTDPFDP AFTER TREATMENT DIESEL PARTICU LATE FILTER DIFFERENTIAL...

Page 35: ...Fuel Pressure sensor GLOW PLUG GLOW PLUG Glow plug GND GROUND GROUND IA INTAKE AIR Air Intake IA System INTAKE AIR System Air Intake System IAT INTAKE AIR TEMPERATURE Intake temperature IAT Sensor INT...

Page 36: ...SPARK PLUG SPARK PLUG Spark plug SRI SERVICE REMINDER INDICATOR Check engine ST SCAN TOOL Diagnostic tool TC TURBOCHARGER Turbocharger TCC TORQUE CONVERTER CLUTCH Torque Converter TP Sensor THROTTLE P...

Page 37: ...2 88 MALFUNCTION CODES FOR FAULTY ACTUATOR POWER RELAY 2 93 ENG BASIC INSPECTION SHEET ENGINE INSPECTION CHECK SHEET 2 94 NO DTC 2 98 INSPECTION PROCEDURE FOR WHEN THE DEF MIXED INTO THE ENGINE COOLA...

Page 38: ...3 2 833 DTC P203F 2 841 DTC P204F 2 845 DTC P207F 2 848 DTC P2080 2 856 DTC P2084 2 864 DTC P20CD 2 872 DTC P20CE 2 876 DTC P20CF 2 879 DTC P20D8 2 882 DTC P20DE 2 888 DTC P20DF 2 892 DTC P20E0 2 898...

Page 39: ...E DIESEL 2 1241 DTC U029E HYBRID 2 1247 DTC U02A2 2 1253 DTC U0301 2 1259 DTC U1001 2 1262 DTC U110A 2 1269 DTC P2458 2 1115 DTC P2459 2 1125 DTC P2463 2 1128 DTC P246F 2 1136 DTC P2470 and P2471 2 11...

Page 40: ...art of checking works Make sure to set the starter key to the LOCK position before disconnecting a connector Replace the part or the component that have a failure or trouble Do not fix and reuse it De...

Page 41: ...an image of a connector as viewed from the connecting face A test probe must access the back face of a connector However some types of connector do not allow a test probe to contact with the back fac...

Page 42: ...OR ECU BUILT IN EXHAUST TEMPERATURE SENSOR DPF OUTLET EXHAUST TEMPERATURE SENSOR DPF INLET DPR DIFFERENTIAL PRESSURE SENSOR EXHAUST TEMPERATURE SENSOR DOC2 INLET EXHAUST TEMPERATURE SENSOR DOC1 INLET...

Page 43: ...disengaging the lock and holding onto the housing Do not try to disconnect connectors by gripping the wires or twisting them as this could bend the contacts Do not disconnect connectors unnecessarily...

Page 44: ...ations corre spond to the table on the next page computer pin assignment as shown below A 10 9 8 7 6 5 4 2 1 3 20 19 18 17 16 15 14 12 11 13 30 29 28 27 26 25 24 22 21 23 40 39 38 37 36 35 34 32 31 33...

Page 45: ...ck harness Test lead Contact box Connector engine ECU side 09843 E4020 09843 E4050 Signal check harness assembly 09843 E4060 Engine sub harness A B C D Computer engine ECU Signal check harness engine...

Page 46: ...chassis or the harness inside the cab when installing an air conditioner Also make sure to reattach afterward any connectors that were dis connected during the installation process 12 PERFORMING ELECT...

Page 47: ...r power relay 1 Exhaust brake relay PTO cut relay Glow pulg Indicator DPR refresh light Check engine warning light Power supply 1 Starter cut relay Starter switch 1 Vehicle speed pulse converter CAN c...

Page 48: ...Sensor ground 9 Accelerator sensor 1 Exhaust gas temperature sensor DOC2 inlet Sensor power supply 3 WIF signal DPR refresh switch Exhaust gas temperature sensor DPF outlet Power supply 3 B Power grou...

Page 49: ...Fuel injector Main E18 IJ2 No 3 Fuel injector Main E19 2 No 2 Fuel injector Main E20 4 Air flow sensor Power VAF E21 M E22 E23 E24 E25 E26 E27 E28 Suction control valve Sub E29 PV S Suction control va...

Page 50: ...ound 5 E58 E5 CAN communication line E59 CAN E60 Fuel rail pressure sensor 2 Main NE sensor NE E61 DM E62 Intakemanifold temperature sensor E63 THIA E64 PCR2 Fuel rail pressure sensor 2 Sub E65 PC2S C...

Page 51: ...3 Blow air around the engine ECU connector and engine ECU surface to remove dirt and foreign matter NOTICE Do not remove the connector while at work Blow off water with air as much as possible for dry...

Page 52: ...lled out with a light force check if the lever is fully open 8 If the side of the harness side connector is found dirty wipe it off with a moistened waste cloth while being careful not allowing dirt a...

Page 53: ...nd place it straight on the engine ECU side connector NOTICE At this time check that the lever is fully open HINT Check that it is inserted along the wrong fitting prevention key way 2 Press the upper...

Page 54: ...ch the connector NOTICE If the lever cannot move smoothly repeat steps 1 and 2 Also drop a few drops of water to the sliding portion to make it smooth 4 Move the hook in the direction of the arrow as...

Page 55: ...off b Begins with engine start and ends after four hours of continu ous engine on operation c Begins at end of the previous four hours of continuous engine on operation and ends after four hours of c...

Page 56: ...NO DX OPERATION MANUAL supplied on the Global Service Portal Site Hino GSPS 2 CONNECTION OF HINO DX 1 Connect the DST i to the trouble diagnosis connector located in the electrical component box in th...

Page 57: ...ht No Light P003A Initialization failure VNT actuator initialize error VNT controller A Light No Light P0045 DC motor open circuit VNT actuator motor open circuit VNT actuator VNT controller A Light N...

Page 58: ...ft position sensor Fuel return pipe and hose Light No Light P0096 Intake air temperature sensor intake manifold rationality Intake air temperature sensor intake manifold ECU ECU connector Intake air t...

Page 59: ...t of range high Intake air temperature sensor ECU ECU connector Wire harness Light No Light P0115 Malfunction of coolant tempera ture sensor and intake air tem perature sensor Engine coolant temperatu...

Page 60: ...reach a warmed up temperature Engine coolant temperature sensor Thermostat Light No Light P0148 Post injection failure Fuel line Pre fuel filter Injector Engine speed main sensor Crankshaft position s...

Page 61: ...connector Wire harness Light No Light P0191 Fuel rail pressure sensor main and sub out of range Engine Supply pump SCV Engine ECU Pre fuel filter Fuel pipe Breather hose Fuel tank feed pipe Fuel tank...

Page 62: ...U Injector harness Light No Light P0204 Fuel injector disconnection 4cyl ECU ECU connector Injector Engine ECU Injector harness No Light Light P0217 Engine coolant over temperature condition Engine Co...

Page 63: ...All injector 1 4 Injection quantity and timing Fuel line Pre fuel filter Injector Engine speed main sensor Crankshaft position sensor Light No Light P026D All injector 1 4 Injection quantity and timi...

Page 64: ...41 Camshaft position sensor ratio nality Engine speed sub sensor camshaft position sensor ECU ECU connector Wire harness Light No Light P0381 Glow lamp wait to start lamp circuit Combination meter ECU...

Page 65: ...cooler outlet temperature sensor ECU ECU connector Wire harness No Light No Light P0420 Tentative determination of ATC deterioration Light No Light P0421 Determination of ATC deteriora tion Fuel Exha...

Page 66: ...ne oil pressure Too Low Engine oil Oil pressure switch Wire harness ECU ECU connector Light No Light P0545 Exhaust gas temperature sensor DOC1 outlet out of range Out of range low Exhaust gas temperat...

Page 67: ...No Light P0611 Fuel injector driver charge circuit circuit circuit low A Light No Light P0617 Starter key rationality Starter key Wire harness ECU ECU connector Neutral start switch Light No Light P06...

Page 68: ...ower supply 2 fail ure Out of range high Common rail pressure sensor 2 Wire harness Accelerator sensor 1 DPR differential pressure sensor PTO accelerator sensor Aftertreatment fuel injection line pres...

Page 69: ...No Light No Light P081B Starter Disable Circuit High Wire harness ECU ECU connector Light No Light P0A7B HV BATTELY system failure Light No Light P0AC4 HV system failure Light No Light P0CA1 HV MOTOR...

Page 70: ...valve controller tempera ture sensor 1 Signal too low EGR actuator temp sensor 1 signal too low EGR valve A Light No Light P14B8 EGR valve controller tempera ture sensor 1 Signal too high EGR actuator...

Page 71: ...of range Out of range high Exhaust gas temperature sensor DOC2 inlet Wire harness ECU ECU connector No Light No Light P203F Empty reductant tank DEF tank DEF tank level sensor Light or No Light No Lig...

Page 72: ...harness ECU ECU connector Light No Light P20E0 Aftertreatment Fuel Injection Line Pressure Sensor Signal Too High Aftertreatment fuel injection line pres sure sensor Wire harness ECU ECU connector Li...

Page 73: ...lerator sensor Accelerator sensor ECU ECU connector Light No Light P2146 Fuel injector driver circuit 1 circuit circuit open Injector Wire harness ECU ECU connector A Light No Light P2147 Fuel injecto...

Page 74: ...out of range high A No Light No Light P2269 Water in Fuel Condition Fuel filter Fuel filter water level sensor Wire harness ECU ECU connector Light No Light P226C Boost pressure slow response VNT con...

Page 75: ...ing performance missing substrate Exhaust gas temperature sensor DPF inlet Differential pressure sensor DPR filter Exhaust gas temperature sensor DPF outlet EGR valve VNT controller Diesel throttle va...

Page 76: ...ust gas temperature sensor DOC outlet out of range Out of range low Exhaust gas temperature sensor DPF outlet Wire harness ECU ECU connector Light No Light P2471 Exhaust gas temperature sensor DOC out...

Page 77: ...high pressure pipe Fuel filter SCV Common rail pressure sensor Engine speed main sensor crankshaft position sensor Fuel return pipe and hose Fuel pipe Light No Light P268A Fuel injector adjustment da...

Page 78: ...AN Bus Line Open From HV Connector Wire harness HV system Light No Light U029D Engine ECU CAN communica tion NOx sensor SCR upstream Connector NOx sensor 1 Wire harness Light No Light U029E Engine ECU...

Page 79: ...ND may be shorted somewhere in the following sensor group ECU terminal Sensor DTC E33 Intake throttle valve position sensor 1 P0122 Common rail pressure sensor Main P0193 Boost pressure sensor P0237 V...

Page 80: ...sor Main E77 Boost sensor E58 Exhaust gas temperature sensor 1 Engine coolant temperature sensor Intake air temperature sensor V46 Exhaust gas temperature sensor 2 Exhaust gas temperature sensor 3 Exh...

Page 81: ...uit for each actuator and controller ENGINE EQUIPMENT EMISSION CONTROL DEVICE CAN LINE 250 k 7 7 CAN TMN2 Terminator Engine ECU NOx Sensor 2 NOx Sensor 1 DEF sensor Engine peripherals Diesel aftertrea...

Page 82: ...ERMINATION TABLE ENGINE ECU CAN COMMUNICATION LINE MALFUNCTION PART DETERMINATION TABLE DCU Malfunction Part Case 1 U010A 2 U010C 3 U029E 4 U029D 5 U02A2 6 12 U010A U010C U029D U029E U0073 U010E U02A2...

Page 83: ...tion Part Case 1 Communication failure of the HINO DX 4 5 6 7 8 U0038 Communication failure of the HINO DX CAN TMN2 Terminator Engine control Diagnosis CAN Line Diesel Hybrid DCU Terminator VCS ECU 2...

Page 84: ...osition 2 Connect the vehicle to HINO DX 3 Set the starter key to the ON position 4 Check that the any DTC other than CAN communication system DTC U has been detected NO YES 1 Check the DTC detected H...

Page 85: ...0 terminal in the DCU 53P vehicle side connector and the 4th terminal in the DLC 16P NO YES 2 Check for B GND short circuit in CAN H line TE1B LF2 TE1A LF1 TE2B LF4 TE2A LF3 ISGW LES CAH0 LEY CAH1 LF5...

Page 86: ...L line TE1B LF2 TE1A LF1 TE2B LF4 TE2A LF3 ISGW LES CAH0 LEY CAH1 LF5 GND1 LET 24V K9G CAN KS4 TC KS2 DSW KPZ ISOK K9E CAN KS3 SGND K9H CGFR L30 KE4 GND4 LEW B2 LEP GND2 LEU GND5 LEX B3 LEQ GND3 LEV...

Page 87: ...LET GND4 LEW B2 LEP GND2 LEU GND5 LEX B3 LEQ GND3 LEV B1 LEN B4 LER TE1B LF2 TE1A LF1 TE2B LF4 TE2A LF3 ISGW LES CAL0 CANN CANP CAH0 SHTS021270300030 Measurement conditions Tester connections Standar...

Page 88: ...GND3 LEV B1 LEN B4 LER TE1B LF2 TE1A LF1 TE2B LF4 TE2A LF3 ISGW LES CAL0 CAH0 SHTS021270300031 Measurement conditions Tester connections Standard values Starter key ON DCU 53P CAH0 CAL0 45 75 Do the...

Page 89: ...tor 4 Use electrical tester to measure the resistance between No 5 CANH terminal and No 10 CANL terminal at the J C DEF SSR connector NO YES 1 Check harness in CAN bus line between J C DEF SSR and DCU...

Page 90: ...el and J C DEF SSR Failure Site 10 SHTS021270300033 Measurement conditions Tester connections Standard values Starter key LOCK J C_CAN_Diesel connector No 5 CANH No 8 CANL 110 130 Do the measurements...

Page 91: ...and J C_CAN_Diesel Failure Site 9 SHTS021270300034 Measurement conditions Tester connections Standard values Starter key LOCK J C_ENG_CAN connector No 6 CANH No 8 CANL 110 130 Do the measurements meet...

Page 92: ...CAN Failure Site 8 4 KG 3 KE 1 KH 2 KF 6 KM 7 KL SHTS021270300035 Measurement conditions Tester connections Standard values Starter key LOCK J C_ENG_CAN2 connector No 5 CANH No 8 CANL 110 130 Do the m...

Page 93: ...terminal E59 and terminal E79 on the ECU check harness D NO YES 5 Check harness in CAN bus line between engine ECU and J C_ENG_CAN2 Failure Site 7 D E79 E59 SHTS021270300036 Measurement conditions Tes...

Page 94: ...nd CAN TMN2 terminating resistance Failure Site 6 A V37 V17 SHTS021270300037 Measurement conditions Tester connections Standard values Starter key LOCK Signal check har ness Engine ECU V17 CANN V37 CA...

Page 95: ...arter key to the LOCK position 6 Connect the EGR controller connector 7 Set the starter key to the ON position 8 Check that the EGR controller communication failure U010A is not detected NO YES 7 Insp...

Page 96: ...he starter key to the ON position 4 Check that the NOx sensor 1 communication failure U029D is not detected NO YES 8 Inspect the VNT controller HINO DX SHTS021270300039 Did the VNT controller communic...

Page 97: ...ected NO YES 10 Inspect the NOx sensor 2 HINO DX SHTS021270300041 Did the NOx sensor 2 communication failure U029E disappear Go to step 11 Replace the NOx sensor 2 Perform After inspection work Clear...

Page 98: ...tor 4 Use electrical tester to measure the resistance between No 5 CANH terminal and No 10 CANL terminal at the J C DEF SSR connector NO YES 1 Check harness in CAN bus line between J C DEF SSR and DCU...

Page 99: ...V1 and J C DEF SSR Failure Site 11 SHTS021270300044 Measurement conditions Tester connections Standard values Starter key LOCK J C_HV1 connec tor No 4 CANH No 9 CANL 110 130 Do the measurements meet t...

Page 100: ...C_HV2 and J C_HV1 Failure Site 10 SHTS021270300045 Measurement conditions Tester connections Standard values Starter key LOCK J C_HV2 connec tor No 3 CANH No 8 CANL 110 130 Do the measurements meet t...

Page 101: ...G_CAN and J C_HV2 Failure Site 9 SHTS021270300046 Measurement conditions Tester connections Standard values Starter key LOCK J C_ENG_CAN connector No 6 CANH No 8 CANL 110 130 Do the measurements meet...

Page 102: ...ite 8 L4R J8 K6V J4 K6W J1 LEZ J6 KV9 J2 LEV J7 KV8 J3 L48 J5 SHTS021270300047 Measurement conditions Tester connections Standard values Starter key LOCK J C_ENG_CAN2 connector No 5 CANH No 8 CANL 110...

Page 103: ...dentified as terminal E59 and terminal E79 on the ECU check harness D NO YES 6 Check harness in CAN bus line between engine ECU and J C_ENG_CAN2 Failure Site 7 D E79 E59 SHTS021270300048 Measurement c...

Page 104: ...nd CAN TMN2 terminating resistance Failure Site 6 A V37 V17 SHTS021270300049 Measurement conditions Tester connections Standard values Starter key LOCK Signal check har ness Engine ECU V17 CANN V37 CA...

Page 105: ...arter key to the LOCK position 6 Connect the EGR controller connector 7 Set the starter key to the ON position 8 Check that the EGR controller communication failure U010A is not detected NO YES 8 Insp...

Page 106: ...e starter key to the ON position 4 Check that the NOx sensor 1 communication failure U029D is not detected NO YES 9 Inspect the VNT controller HINO DX SHTS021270300051 Did the VNT controller communica...

Page 107: ...ected NO YES 11 Inspect the NOx sensor 2 HINO DX SHTS021270300053 Did the NOx sensor 2 communication failure U029E disappear Go to step 12 Replace the NOx sensor 2 Perform After inspection work Clear...

Page 108: ...CK position 2 Connect the vehicle to HINO DX 3 Set the starter key to the ON position 4 Check that any DTC other than CAN communication system DTC U has been detected NO YES 1 Check the DTC detected E...

Page 109: ...tor 16P NO YES 2 Check for B GND short circuit in CAN H line TE1B LF2 TE1A LF1 TE2B LF4 TE2A LF3 ISGW LES CAH0 LEY CAH1 LF5 GND1 LET 24V K9G CAN KS4 TC KS2 DSW KPZ ISOK K9E CAN KS3 SGND K9H CGFR L30 K...

Page 110: ...S CAH0 LEY CAH1 LF5 GND1 LET 24V K9G CAN KS4 TC KS2 DSW KPZ ISOK K9E CAN KS3 SGND K9H CGFR L30 KE4 GND4 LEW B2 LEP GND2 LEU GND5 LEX B3 LEQ GND3 LEV B1 LEN B4 LER CAL1 LF6 CAL0 LEZ SHTS021270300057 Me...

Page 111: ...EZ GND1 LET GND4 LEW B2 LEP GND2 LEU GND5 LEX B3 LEQ GND3 LEV B1 LEN B4 LER TE1B LF2 TE1A LF1 TE2B LF4 TE2A LF3 ISGW LES CAH1 CAL1 SHTS021270300058 Measurement conditions Tester connections Standard v...

Page 112: ...V B1 LEN B4 LER TE1B LF2 TE1A LF1 TE2B LF4 TE2A LF3 ISGW LES CAH1 CAL1 SHTS021270300059 Measurement conditions Tester connections Standard values Starter key ON DCU 53P CAH1 CAL1 45 75 Do the measurem...

Page 113: ...CK position 2 Connect the vehicle to HINO DX 3 Set the starter key to the ON position 4 Check that any DTC other than CAN communication system DTC U has been detected NO YES 1 Check the DTC detected E...

Page 114: ...or 16P NO YES 2 Check for B GND short circuit in CAN H line TE1B LF2 TE1A LF1 TE2B LF4 TE2A LF3 ISGW LES CAH0 LEY CAH1 LF5 GND1 LET 24V K9G CAN KS4 TC KS2 DSW KPZ ISOK K9E CAN KS3 SGND K9H CGFR L30 KE...

Page 115: ...S CAH0 LEY CAH1 LF5 GND1 LET 24V K9G CAN KS4 TC KS2 DSW KPZ ISOK K9E CAN KS3 SGND K9H CGFR L30 KE4 GND4 LEW B2 LEP GND2 LEU GND5 LEX B3 LEQ GND3 LEV B1 LEN B4 LER CAL1 LF6 CAL0 LEZ SHTS021270300062 Me...

Page 116: ...EQ GND3 LEV B1 LEN B4 LER TE1B LF2 TE1A LF1 TE2B LF4 TE2A LF3 ISGW LES CAH1 CAL1 SHTS021270300063 Measurement conditions Tester connections Standard values Starter key ON DCU 53P CAH1 CAL1 120 10 Do t...

Page 117: ...SHTS021270300064 Measurement conditions Tester connections Standard values Starter key ON HV ECU 21st 22nd 120 10 Do the measurements meet the standard value Go to step 6 Replace the HV ECU After rep...

Page 118: ...B4 LER TE1B LF2 TE1A LF1 TE2B LF4 TE2A LF3 ISGW LES CAH1 CAL1 SHTS021270300065 Measurement conditions Tester connections Standard values Starter key ON DCU 53P CAH1 CAL1 45 75 Do the measurements mee...

Page 119: ...ter to measure the resistance between the terminals in the CAN H line and L line on the DCU side viewed from J C_CAN5 NO YES 1 Check harness in CAN bus line between J C_CAN5 and DCU Failure Site 8 SHT...

Page 120: ...r key LOCK J C_CAN1 10P 5th 10th 110 130 Do the measurements meet the standard value Connect the J C_CAN1 10P connector and go to step 3 CAN bus line disconnection between J C_CAN1 10P and J C_CAN5 Re...

Page 121: ...key LOCK J C_CAN1 22P 6th 17th 110 130 Do the measurements meet the standard value Go to step 5 CAN bus line disconnection between J C_CAN1 22P and J C_CAN2 Repair or replace the harness Perform After...

Page 122: ...Site 1 24V K9G CAN KS4 TC KS2 DSW KPZ ISOK K9E CAN KS3 SGND K9H CGFR L30 KE4 SHTS021270300071 Measurement conditions Tester connections Standard values Starter key LOCK DLC 6th 14th 45 75 Do the measu...

Page 123: ...engine ECU and J C_CAN5 Failure Site 3 A V36 V16 SHTS021270300072 Measurement conditions Tester connections Standard values Starter key LOCK Signal check har ness Engine ECU V16 CANL V36 CANH 110 130...

Page 124: ...ter to measure the resistance between the terminals in the CAN H line and L line on the DCU side viewed from J C_CAN5 NO YES 1 Check harness in CAN bus line between J C_CAN5 and DCU Failure Site 8 SHT...

Page 125: ...y LOCK J C_CAN2 6th 17th 110 130 Do the measurements meet the standard value Connect the J C_CAN2 connector and go to step 3 CAN bus line disconnection between J C_CAN2 and J C_CAN5 Repair or replace...

Page 126: ...rd 8th 110 130 Do the measurements meet the standard value Go to step 5 CAN bus line disconnection between CAN_J C2 and vehicle control ECU Repair or replace the harness Perform After inspection work...

Page 127: ...Site 1 24V K9G CAN KS4 TC KS2 DSW KPZ ISOK K9E CAN KS3 SGND K9H CGFR L30 KE4 SHTS021270300078 Measurement conditions Tester connections Standard values Starter key LOCK DLC 6th 14th 45 75 Do the measu...

Page 128: ...ine ECU and J C_CAN5 Failure Site 3 A V36 V16 SHTS021270300079 Measurement conditions Tester connections Standard values Starter key LOCK Signal check har ness Engine ECU V16 CANL V36 CANH 110 130 Do...

Page 129: ...the downstream of the actuator power relay more than one malfunction code or functional failure can occur Check the supply circuit from the actuator power relay Sensor Case Brake switch P0504 EGR act...

Page 130: ...tion 8 or under Follow ability during inspec tion Devia tion 5 or under Inspect the injec tor drive wiring Inspect the power supply Actua tion and wiring of main relay Check the pro gram part No Inspe...

Page 131: ...r inclu sion Priming opera tion and air bleed ing Inter cooler bodyand Damage in hoses Com mon rail pressure sensor Inspect HINO DX fuel leakage and check follow ability to actual level Inspect a comp...

Page 132: ...replace the turbo charger Clean the cooler Clean the end of the nozzle needle Write a correct calibra tion data Correct wrong assem bly to proper assem bly Replace the hose and retighten the clamp Ad...

Page 133: ...ction quantity J05E Idling normal r min 750 Injection quantity mm3 st 7 16 Mid speed inspection point r min 1 500 Injection quantity mm3 st 10 or more AT Standard DPR filter differential pressure r mi...

Page 134: ...air cleaner element Detail on next page B No restriction Genuine parts Filter Replace 4 Air hoses Visually check Detail on next page C No bending No leaking Fix Replace 5 Intake throttle Visually che...

Page 135: ...tch 3 Check each cylinder for decreased level of knock If the knock decreases during cut out test that cylinder should be considered abnormal fueling injector B Air Filter Visually check Single cab Cr...

Page 136: ...cted Intake throttle valve posi tion changes from 0 to 90 by 10 step Confirm actual intake throttle valve position is followed directed intake throttle valve E Mass air flow sensor check Engine Inspec...

Page 137: ...NG 2 101 DPR NORMAL MANUAL REGENERATION IS NOT COMPLETE No Parts Check contents Judgement Check Pass Fail If fail 1 Fuel addition valve Check carbon of fuel addition valve nozzle and folder No carbon...

Page 138: ...nect the vehicle to HINO DX 2 Set the starter switch to ON position and select DCU on HINO DX 3 Select Data monitor and Active test 4 Select Coolant shutoff valve from the Active test Setting 5 Select...

Page 139: ...structed on the HINO DX screen 4 Check if coolant is mixed into the DEF injected from the DEF injec tor Check if the injected fluid contains the color of the coolant NO YES 3 Inspect if engine coolant...

Page 140: ...or less for 30 seconds even when the engine revolution becomes 1000 r min or more 3 Reset condition Immediately after normal status is resumed 4 Indication warning or system control regulation when t...

Page 141: ...er key to the ON position 4 Using the electrical tester measure the pressure between the fuel cut valve vehicle side connector FCV terminal and ground NO YES 1 Check the DTC detected HINO DX SHTS02127...

Page 142: ...he starter key to the ON position Loosen the downstream side joint bolt Slowly push the feed pump on the fuel pump until fuel comes out CAUTION Use care as a large amount of fuel may come out if the f...

Page 143: ...the ON position Loosen the upstream side joint bolt Slowly push the feed pump on the fuel pump until fuel comes out CAUTION Use care as a large amount of fuel may come out if the feed pump is pushed e...

Page 144: ...ds or more 3 Reset condition Immediately after normal operation is restored 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light OFF 5 Symptoms on the vehicle when th...

Page 145: ...iately after normal operation is restored 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light OFF 5 Symptoms on the vehicle when the DTC is set Symptoms on the vehic...

Page 146: ...the fuel cut valve NO YES 1 Inspect the fuel cut valve connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to step 2 2 Inspect t...

Page 147: ...ES 3 Inspect the fuel cut valve unit BODY GND FCV SHTS021270300101 Measurement conditions Tester connections Standard values Starter key LOCK Fuel cut valve FCV Ground 20 C 68 F 8 0 9 2 Do the measure...

Page 148: ...ess C FCV E31 SHTS021270300103 Measurement conditions Tester connections Standard values Starter key LOCK Fuel cut valve vehicle side con nector Engine ECU signal check har ness FCV FCV E31 2 or less...

Page 149: ...e range of 10 V to 16 V Engine speed is in the range from 700 to 1 000 r min Engine coolant temperature is 60 C 140 F or higher A difference between an actual engine speed and a target engine speed is...

Page 150: ...work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors Camshaft gear Check as...

Page 151: ...1 Inspect the camshaft gear Was any failure found Assemble the camshaft gear properly Go to step 2 2 Inspect the flywheel Was any failure found Assemble the flywheel normally Go to step 3 3 Inspect e...

Page 152: ...is working and the air flow when the exhaust brake is not actuated is 50 mg cyl or more 3 Reset condition Immediately after normal status is resumed 4 Indication warning or system control regulation...

Page 153: ...ny DTC listed below other than P0027 P0101 P04D5 P2101 P2526 NO YES 1 Check the piping and hose connected to the exhaust brake valve for bend clogging and crack NO YES 1 Check the DTC detected 1 HINO...

Page 154: ...screen of the diagnostic system select Engine and read the detected DTCs NO YES 3 Inspect the exhaust brake valve SHTS021270300107 Was any failure found Clean the exhaust brake valve Replace if neces...

Page 155: ...ON OFF the exhaust brake switch and check the difference between the injection quantity of the injector while the exhaust brake is working and the injection quantity when the exhaust brake is not act...

Page 156: ...forced regeneration 2 After regeneration on the screen of the diagnostic system select Engine and check the detected DTCs NO YES 6 Check the DTC detected HINO DX SHTS021270300110 Has DTC P0027 been de...

Page 157: ...10 to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria 3 Reset condition After normal operation is restored and the starter key is...

Page 158: ...gine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check tha...

Page 159: ...the starter key to the ON position 2 Select Engine and check if P003A has been detected NO YES 1 Check the DTC detected 1 HINO DX SHTS021270300112 Has a DTC other than P003A been detected Go to diagno...

Page 160: ...position again 5 Select Engine and check if P003A has been detected HINT Turn the key LOCK and ON verifies the wiping operation of the VNT actuator DC motor NO YES 3 Inspect the operation of the VNT...

Page 161: ...step of the Target VNT position and Actual VNT position from 0 to 90 5 Select VNT DOWN Inspect the response delay at each step of the Target VNT position and Actual VNT position from 90 to 0 HINT The...

Page 162: ...ed Battery voltage is in the range of 10 V to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria Item Details Reference Motor termin...

Page 163: ...when the DTC is set Symptoms on the vehicle due to backup control fail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the batte...

Page 164: ...rter key to the ON position 2 Select Engine and check if P0045 has been detected NO YES 1 Check the DTC detected 1 HINO DX SHTS021270300117 Has DTC other than P0045 for example U010C been detected Go...

Page 165: ...and check if P0045 has been detected HINT Turning the switch OFF and ON verifies the wiping operation of the VNT actuator DC motor NO YES 3 Check the connector connection HINO DX VNT controller SHTS0...

Page 166: ...set condition 1 DTC detection condition Starter key ON The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2...

Page 167: ...on Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Chec...

Page 168: ...047 may have been detected NO YES 1 Set the starter key to the ON position 2 Select Engine and check if P0047 has been detected NO YES 1 Check the DTC detected Engine ECU SHTS021270300122 Has DTC U010...

Page 169: ...5 Select Engine and check if P0047 has been detected HINT Turning the switch LOCK and ON verifies the wiping operation of the VNT actuator DC motor NO YES 3 Check the connector connection HINO DX Has...

Page 170: ...cription of malfunction 2 DTC set condition 1 DTC detection condition While the engine is in operation Always While the engine is stopped During wiping operation 2 Judgement criteria 3 Reset condition...

Page 171: ...Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check...

Page 172: ...048 may have been detected NO YES 1 Set the starter key to the ON position 2 Select Engine and check if P0048 has been detected NO YES 1 Check the DTC detected Engine ECU SHTS021270300126 Has DTC U010...

Page 173: ...n 5 Select Engine and check if P0048 has been detected HINT Turn the switch LOCK and ON verifies the wiping operation of the VNT actuator DC motor NO YES 3 Check the connector connection HINO DX Has D...

Page 174: ...on condition Starter key ON The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria 3 Reset...

Page 175: ...utput is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no D...

Page 176: ...ave been detected NO YES 1 Set the starter key to the ON position 2 Select Engine and check if P006E has been detected NO YES 1 Check the DTC detected 1 Engine ECU SHTS021270300130 Has DTC U010C been...

Page 177: ...er vehicle side connector NO YES 3 Check the VNT controller power supply circuit GND B SHTS021270300132 Measurement conditions Tester connections Standard values Starter key ON VNT controller vehicle...

Page 178: ...dition Starter key ON The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria 3 Reset condit...

Page 179: ...n Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check...

Page 180: ...starter key to the ON position 2 Select Engine and check if P006F has been detected NO YES 1 Check the DTC detected 1 Engine ECU SHTS021270300134 Has DTC U010C been detected Go to diagnosis procedure...

Page 181: ...er vehicle side connector NO YES 3 Check the VNT controller power supply circuit GND B SHTS021270300136 Measurement conditions Tester connections Standard values Starter key ON VNT controller vehicle...

Page 182: ...ctly recognized E7Q E2 E7P THG THAO XSW Intercooler outlet temperature sensor Intake air temperature sensor air flow sensor built in XW PC2S E1 X85 XZG Z70 XV PCR1 VC1 E2 PCR2 VC2 E THW Z72 XZH E2 VC2...

Page 183: ...is 30 C 86 F or more 3 Reset condition After restoration to normal condition 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light OFF 5 Symptoms on the vehicle when...

Page 184: ...Q E2 E7P THG THAO XSW Intercooler outlet temperature sensor Intake air temperature sensor air flow sensor built in XW PC2S E1 X85 XZG Z70 XV PCR1 VC1 E2 PCR2 VC2 E THW Z72 XZH E2 VC2 PCR2 E2 VC PCR1 E...

Page 185: ...rcooler efficiency which is derived from the intake temperature sensor boost pressure sen sor intercooler outlet temperature sensor and atmospheric pressure sensor is greater than 140 3 Reset conditio...

Page 186: ...Q E2 E7P THG THAO XSW Intercooler outlet temperature sensor Intake air temperature sensor air flow sensor built in XW PC2S E1 X85 XZG Z70 XV PCR1 VC1 E2 PCR2 VC2 E THW Z72 XZH E2 VC2 PCR2 E2 VC PCR1 E...

Page 187: ...Judged when the calculated EGR cooler efficiency is less than 65 the difference between the intake manifold air take temperature and the actual intake air temperature is lower than the specified value...

Page 188: ...ailure of intake air temperature sensor with built in air flow sensor Intake manifold temperature sensor malfunction Boost pressure sensor Sensor is disconnected from measuring site or sensing unit is...

Page 189: ...EGR rate data If EGR system or Turbo DTC are detected perform another failure diagnosis starting from the first DTC associated with the malfunc tion NO YES 1 Check the connection of the intercooler o...

Page 190: ...tester NO YES 3 Inspect the intercooler outlet temperature sensor Was any failure found Clean the sensing unit and install it properly If damaged replace the sensor Perform After inspection work of I...

Page 191: ...ES 5 Inspect the intercooler outlet temperature sensor power supply E2 THG SHTS021270300142 Measurement conditions Tester connections Standard values Starter key ON Intercooler outlet temperature sen...

Page 192: ...in wire harness of intercooler outlet temperature sensor D E77 E44 SHTS021270300144 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THA0 E4...

Page 193: ...logged NO YES 9 Inspect the intake air temperature sensor unit THA E2 SHTS021270300145 Measurement conditions Tester connections Standard values Starter key LOCK intake tempera ture sensor THA E2 20 C...

Page 194: ...the sensor NO YES 11 Inspect the boost pressure sensor power supply system VC E SHTS021270300146 Measurement conditions Tester connections Standard values Starter key ON Boost pressure sensor vehicle...

Page 195: ...if P007B has been detected NO YES 13 Inspect the intake manifold temperature sensor unit E2 THA SHTS021270300147 Measurement conditions Tester connections Standard values Starter key LOCK Intake manif...

Page 196: ...6 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria Output of the intake air temperature sensor intercooler outlet remains at 0 06 V 2...

Page 197: ...n work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors Disconnection or sho...

Page 198: ...ed remains at 500 r min or more for 5 seconds or more Intake air temperature is 20 C 4 F or more 2 Judgement criteria Output of the intake air temperature sensor intercooler outlet remains at 4 87 V 3...

Page 199: ...on work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Disconnection or shor...

Page 200: ...or clogging in the sensing unit of the intercooler outlet temperature sensor NO YES 1 Inspect the intercooler outlet temperature sensor connector Was any failure found Connect securely repair if need...

Page 201: ...et temperature sensor NO YES 3 Inspect the intercooler outlet temperature sensor unit THG E2 SHTS021270300151 Measurement conditions Tester connections Standard values Starter key LOCK Intercooler out...

Page 202: ...harness of intercooler outlet temperature sensor D E77 E44 SHTS021270300152 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THA0 E44 Groun...

Page 203: ...the ON position 5 Select Engine and check if the DTC P007C or P007D has been detected NO YES 6 Inspect the intercooler outlet temperature sensor power supply D E77 E44 SHTS021270300154 Measurement con...

Page 204: ...ssure is normal Battery voltage is in the range of 10 V to 16 V 2 Judgement criteria A calculated value of actual common rail pressure reading Target common rail pressure remains at 232 MPa or greater...

Page 205: ...tage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Pre fuel filter Clogging Common rail pressure sensor Ir...

Page 206: ...ine NO YES 1 Check if fuel is leaking or seeping out of the supply pump NO YES 1 Inspect the start of the engine Does the engine start Go to step 4 Go to step 2 2 Inspect the supply pump SUPPLY PUMP S...

Page 207: ...ed Is it a genuine Hino part NO YES 3 Function check of supply pump HINO DX Idling Starter Engine starting Hour Common rail pressure 222MP The pressure limiter is open reducing the pressure Actual com...

Page 208: ...e sure the check valve is functioning normally NO YES 1 Make sure the fuel tank feed pipe is not clogging NO YES 5 Inspect the fuel pipe Was any failure found Repair or replace the faulty part and go...

Page 209: ...not clogging NO YES 8 Inspect the fuel tank Was any failure found Remove the foreign object and clean the fuel tank Then go to step 9 Go to step 9 9 Inspect the supply pump gauze filter Was any failu...

Page 210: ...e side connector NO YES 12 Inspect the SCV connector Was any failure found Repair or replace the faulty part and go to step 13 Go to step 13 13 Inspect the common rail pressure sensor connector Was an...

Page 211: ...G operate stay ON continuously NO YES 1 Check if the fuel return pipe and hose are clogged NO YES 15 Inspect the engine speed main sensor crankshaft position sensor SHTS021270300161 Was any failure fo...

Page 212: ...THAO XSW Intercooler outlet temperature sensor Intake air temperature sensor air flow sensor built in XW PC2S E1 X85 XZG Z70 XV PCR1 VC1 E2 PCR2 VC2 E THW Z72 XZH E2 VC2 PCR2 E2 VC PCR1 E1 PC1S XG2 Z...

Page 213: ...mperature sensor and the intercooler outlet temperature sensor is 30 C 86 F or more 3 Reset condition After restoration to normal condition 4 Indication warning or system control regulation when the D...

Page 214: ...cooler outlet temperature sensor Intake air temperature sensor air flow sensor built in XW PC2S E1 X85 XZG Z70 XV PCR1 VC1 E2 PCR2 VC2 E THW Z72 XZH E2 VC2 PCR2 E2 VC PCR1 E1 PC1S XG2 Z6R EBJ EBH EBN...

Page 215: ...e temperature and the actual intake air is higher than 60 C 140 F or less than 60 C 76 F and the calculated intercooler efficiency is higher than the specified value 30 or more when the vehicle speed...

Page 216: ...re and EGR rate data If EGR system or Turbo DTC are detected perform another failure diagnosis starting from the first DTC associated with the malfunc tion NO YES 1 Check the connection of the intake...

Page 217: ...pect the intake air temperature sensor intake manifold Was any failure found Clean the sensing unit and install it properly If damaged replace the intake air tempera ture sensor intake manifold Perfor...

Page 218: ...temperature sensor intake manifold power supply THA E2 SHTS021270300166 Measurement conditions Tester connections Standard values Starter key ON Intake air tempera ture sensor intake manifold vehicle...

Page 219: ...pect disconnection of the intake air temperature sensor intake manifold harness D E76 E63 SHTS021270300168 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal...

Page 220: ...the intake air temperature sensor air flow sensor built in unit E2 THA SHTS021270300169 Measurement conditions Tester connections Standard values Starter key LOCK Intake air tempera ture sensor air f...

Page 221: ...pect the intake air temperature sensor intercooler outlet unit THG E2 SHTS021270300170 Measurement conditions Tester connections Standard values Starter key LOCK Intake air tempera ture sensor inter c...

Page 222: ...osition 5 Select Engine and check if P0096 has been detected NO YES 13 Inspect the boost pressure sensor power supply system E VC SHTS021270300171 Measurement conditions Tester connections Standard va...

Page 223: ...or more for 5 seconds or more 2 Judgement criteria Intake manifold temperature sensor output 0 06 V 200 C 392 F for at least 3 seconds 3 Reset condition After restoration to normal condition 4 Indicat...

Page 224: ...ctors Disconnection or short circuit in sensor harness Poor connector contact or faulty connector fit Intake air temperature sensor intake manifold Loose disconnected sensor or failure in sensing area...

Page 225: ...or more 2 Judgement criteria Intake manifold temperature sensor output remains less than 4 87 V 35 C 31 F for 3 seconds or longer 3 Reset condition After restoration to normal condition 4 Indication w...

Page 226: ...ter test drive 8 Estimated failure factors Disconnection or short circuit in sensor harness Irregular contact improper engagement Intake air temperature sensor intake manifold Abnormality in resistanc...

Page 227: ...damage or clogging in the sensing unit of the intake air temperature sensor intake manifold NO YES 1 Inspect the intake air temperature sensor intake manifold connector Was any failure found Connect...

Page 228: ...r intake manifold NO YES 3 Inspect the intake air temperature sensor intake manifold unit E2 THA SHTS021270300175 Measurement conditions Tester connections Standard values Starter key LOCK Intake air...

Page 229: ...ure sensor intake manifold harness D E76 E63 SHTS021270300176 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THIA E63 Ground E2 E76 Ground...

Page 230: ...starter key to the ON position 5 Select Engine and check if the DTC P0097 or P0098 has been detected NO YES 6 Inspect the sensor power supply D E76 E63 SHTS021270300178 Measurement conditions Tester...

Page 231: ...er key ON Battery voltage is in the range of 10 V to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria 3 Reset condition After norm...

Page 232: ...ol fail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear...

Page 233: ...to the ON position 2 Select Engine and check if P00AF has been detected NO YES 1 Check the DTC detected Engine ECU 1 SHTS021270300181 Has a DTC other than P00AF been detected Go to the diagnostic proc...

Page 234: ...if P00AF has been detected HINT Turning the starter key LOCK and ON verifies the wiping oper ation of the VNT actuator DC motor NO YES 3 Check the operation of the VNT controller HINO DX SHTS02127030...

Page 235: ...d from boost pressure and atmospheric pressure and actual air quantity are compared for at least 10 seconds and the ratio of theoretical air quantity to actual air quantity is at least 1 15 or no grea...

Page 236: ...e is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors Sensor is disconnected from measuring site or sensing un...

Page 237: ...verify that there are no disconnec tions clogging punctures or cracks 3 Check the intercooler hose and verify that there are no disconnec tions clogging punctures or cracks NO YES 1 Inspect the air c...

Page 238: ...ck harness terminals and ground NO YES 3 Inspect the air flow sensor Was any failure found Clean the sensing unit and install it properly If dirt clogging or damage was found replace the air flow sens...

Page 239: ...ngine and check if P0101 has been detected NO YES 5 Inspect for disconnection in wire harness of air flow sensor C D E12 E78 E74 FC E29 B SHTS021270300186 Measurement conditions Tester connections Sta...

Page 240: ...ces 2 Check if there is soot obstructing the exhaust gas passageway inlet or outlet NO YES 7 Inspect the EGR valve Was any failure found Remove foreign substances and clean the valve Replace the EGR v...

Page 241: ...0 90 of the time lag following character istics of the target EGR valve opening and actual EGR valve open ing 5 Select EGR opening DOWN Check each step from 90 0 of the time lag following character is...

Page 242: ...ng inside the inter cooler NO YES 9 Inspect the diesel throttle valve Was any failure found Replace the diesel throttle valve Perform After inspection work of INFOR MATION section Go to step 10 10 Ins...

Page 243: ...Set the starter key to the ON position 4 Select Engine and check if P0101 has been detected NO YES 11 Check the DTC detected SHTS021270300189 Has DTC P0101 been detected Replace the engine ECU Perform...

Page 244: ...emains for 2 seconds or more or the condition that the output of the air flow sensor is greater than 9 8 kHz 1632 kg h remains for 2 seconds or more 3 Reset condition After normal operation is restore...

Page 245: ...est drive 8 Estimated failure factors Sensor disconnected from the measured part or sensing unit malfunctioning due to dirt clogging damage etc Engine ECU sensor power supply air flow sensor dedicated...

Page 246: ...tected NO YES 1 Check the connection of the air flow sensor connector looseness and poor contact NO YES 1 Check the DTC detected Engine ECU 1 SHTS021270300191 Has a DTC for example P0642 P0643 P0652 P...

Page 247: ...the terminals of the engine ECU and ground NO YES 3 Inspect the air flow sensor Was any failure found Clean the sensing unit and install it properly If damaged replace the air flow sensor Perform Afte...

Page 248: ...onnection of the air flow sensor harness C D E12 E78 E74 FC E2G B SHTS021270300193 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness Air flow...

Page 249: ...termi nals of the air flow sensor vehicle side connector NO YES 6 Inspect the air flow sensor power supply E2G B SHTS021270300194 Measurement conditions Tester connections Standard values Starter key...

Page 250: ...4 has been detected NO YES 7 Inspect the air flow sensor signal E74 E78 D SHTS021270300195 Measurement conditions Tester connections Standard values After engine warm up with engine idling Engine ECU...

Page 251: ...ulated from boost pressure and atmospheric pressure and actual air quantity are compared for at least 10 seconds and the ratio of theoretical air quantity to actual air quantity is at least 1 15 or no...

Page 252: ...vehicle due to malfunction Engine output is insufficient 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is de...

Page 253: ...sure there is no dirt damage or clogging in the pipes or hoses unit of the boost pressure sensor NO YES 1 Inspect the boost pressure sensor connector Was any failure found Connect securely repair if n...

Page 254: ...tance between each terminal in the engine ECU signal check harness and ground NO YES 3 Inspect for short circuits in wire harness of boost pressure sensor C D E33 E67 E77 SHTS021270300198 Measurement...

Page 255: ...nection in wire harness of boost pressure sensor C D E33 E77 E67 PIM VC E SHTS021270300199 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness...

Page 256: ...detected NO YES 5 Inspect the boost pressure sensor power supply E VC SHTS021270300200 Measurement conditions Tester connections Standard values Starter key ON Boost pressure sensor vehicle side conn...

Page 257: ...pressure sensor remains greater than 3 67 V 327 4 kPa for 3 seconds or longer 3 Reset condition After normal operation is restored and the starter key is turned LOCK 4 Indication warning or system co...

Page 258: ...work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Abnormality in resistance of sensor Failure in engine ECU sensor power supply Disconnection or short c...

Page 259: ...logging in the sensing unit of the boost pressure sensor NO YES 1 Inspect the boost pressure sensor connector Was any failure found Connect securely repair if needed Perform After inspection work of I...

Page 260: ...istance between the terminals of the engine ECU signal check harness and ground NO YES 3 Inspect for short circuit of the boost pressure sensor harness C D E33 E67 E77 SHTS021270300203 Measurement con...

Page 261: ...onnection of the boost pressure sensor harness C D E33 E67 E77 VC PIM E SHTS021270300204 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness Bo...

Page 262: ...the LOCK position 3 Set the starter key to the ON position 4 Select Engine and check if P0108 has been detected NO YES 6 Check the DTC detected Engine ECU SHTS021270300206 Has DTC P0108 been detected...

Page 263: ...or more 2 Judgement criteria Output of the intake air temperature sensor built in air flow sensor remains less than 0 09 V 90 C 194 F for 3 seconds or longer 3 Reset condition After restoration to no...

Page 264: ...DTC is stored after test drive 8 Estimated failure factors Loose disconnected sensor or failure in sensing area contamination clogging or breakage Abnormality in resistance of sensor Failure in engine...

Page 265: ...riteria Output of the intake air temperature sensor built in air flow sensor remains less than 4 17 V 42 C 43 6 F for 3 seconds or longer 3 Reset condition After restoration to normal condition 4 Indi...

Page 266: ...r all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Abnormality in resistance of sensor Failure in engine ECU sensor power supply Disconnection or short circuit in...

Page 267: ...t damage or clogging in the sensing unit of the intake air temperature sensor NO YES 1 Inspect the intake air temperature sensor connector Was any failure found Connect securely repair if needed Perfo...

Page 268: ...e intake air temperature sensor unit E2 THA SHTS021270300209 Measurement conditions Tester connections Standard values Starter key LOCK Intake air tempera ture sensor THA E2 20 C 68 F 2 69 2 21 k 60 C...

Page 269: ...ach terminal in the engine ECU signal check harness and ground NO YES 5 Inspect for short circuit in wire harness of intake air temperature sensor D E58 E47 SHTS021270300211 Measurement conditions Tes...

Page 270: ...detected NO YES 6 Inspect for disconnection in wire harness of intake air temperature sensor D E58 E47 SHTS021270300212 Measurement conditions Tester connections Standard values Starter key LOCK Engi...

Page 271: ...nction Failure of both engine coolant temperature sensors is detected 2 DTC set condition 1 DTC detection condition Engine speed is at least 500 r min or engine is stopped Battery voltage is in the ra...

Page 272: ...valve is fully closed VNT is fully open Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past D...

Page 273: ...he sensing unit of engine coolant temperature sensor 1 NO YES 1 Inspect the engine coolant temperature sensor 1 connector Was any failure found Connect securely repair if needed Perform After inspecti...

Page 274: ...mperature sensor 1 unit E THW SHTS021270300215 Measurement conditions Tester connections Standard values Starter key LOCK Engine coolant temperature sen sor 1 THW E 20 C 68 F 2 59 2 32 k 80 C 176 F 0...

Page 275: ...oolant temperature sensor 1 D E58 E66 SHTS021270300217 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THW E66 Ground E5 E58 Ground Do the...

Page 276: ...of the engine coolant temperature sensor 2 NO YES 7 Inspect the engine coolant temperature sensor 2 connector Was any failure found Connect securely repair if needed Perform After inspection work of...

Page 277: ...r 2 unit E22 THW2 SHTS021270300219 Measurement conditions Tester connections Standard values Starter key LOCK Engine coolant temperature sen sor 2 THW2 E22 20 C 68 F 2 59 2 32 k 80 C 176 F 0 326 0 310...

Page 278: ...lant temperature sensor 2 D E69 E57 SHTS021270300221 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THW2 E69 Ground E3 E57 Ground Do the m...

Page 279: ...Connect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if P0115 has been detected NO YES 13 Check the DTC detected Engine ECU SHTS021270300223 Has DTC P0115...

Page 280: ...5 seconds or more 2 Judgement criteria Output of the sensor remains at 0 2 V 122 C 251 6 F or less for 3 seconds or longer 3 Reset condition After restoration to normal condition 4 Indication warning...

Page 281: ...failure factors Engine coolant temperature sensor Loose disconnected sensor or failure in sensing area contamination clogging or breakage Abnormal resistance of the engine coolant temperature sensor...

Page 282: ...in or more for 5 seconds or more 2 Judgement criteria Output of the sensor remains at 4 77 V 37 C 34 6 F or greater for 3 seconds or longer 3 Reset condition After restoration to normal condition 4 In...

Page 283: ...s Check that no DTC is stored after test drive 8 Estimated failure factors Engine coolant temperature sensor Short circuit in the sensor Abnormal resistance of sensor Failure in engine ECU sensor powe...

Page 284: ...in the sensing unit of the engine coolant temperature sensor NO YES 1 Inspect the engine coolant temperature sensor connector Was any failure found Connect securely repair if needed Perform After ins...

Page 285: ...e sensor unit E THW SHTS021270300226 Measurement conditions Tester connections Standard values Starter key LOCK Engine coolant temperature sen sor THW E 20 C 68 F 2 59 2 32 k 80 C 176 F 0 326 0 310 k...

Page 286: ...ature sensor harness D E58 E66 SHTS021270300228 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THW E66 Ground E5 E58 Ground Do the measure...

Page 287: ...e vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if the DTC P0117 or P0118 has been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300230 Has DTC...

Page 288: ...dings from the 2 engine coolant temperature sensors are detected 2 DTC set condition 1 DTC detection condition Engine speed is at least 500 r min or engine is stopped Battery voltage is in the range o...

Page 289: ...n Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after...

Page 290: ...sensing unit of the engine coolant temperature sensor 1 NO YES 1 Inspect the engine coolant temperature sensor 1 connector Was any failure found Connect securely repair if needed Perform After inspec...

Page 291: ...nt temperature sensor 1 unit E THW SHTS021270300232 Measurement conditions Tester connections Standard values Starter key LOCK Engine coolant temperature sen sor 1 THW E 20 C 68 F 2 59 2 32 k 80 C 176...

Page 292: ...or 1 harness D E58 E66 SHTS021270300234 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THW E66 Ground E5 E58 Ground Do the measurements me...

Page 293: ...of the engine coolant temperature sensor 2 NO YES 7 Inspect the engine coolant temperature sensor 2 connector Was any failure found Connect securely repair if needed Perform After inspection work of...

Page 294: ...rature sensor 2 unit E22 THW2 SHTS021270300236 Measurement conditions Tester connections Standard values Starter key LOCK Engine coolant temperature sen sor 2 E22 THW2 20 C 68 F 2 59 2 32 k 80 C 176 F...

Page 295: ...2 harness D E69 E57 SHTS021270300238 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THW2 E69 Ground E3 E57 Ground Do the measurements mee...

Page 296: ...3 Connect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if P011A has been detected NO YES 13 Check the DTC detected Engine ECU SHTS021270300240 Has DTC P01...

Page 297: ...s in the range of 10 V to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria The following conditions continue for at least 3 second...

Page 298: ...e inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors Sensor is...

Page 299: ...is no dirt damage or clogging in the sensing unit of the sensor NO YES 1 Inspect the intake air temperature sensor connector Was any failure found Connect securely repair if needed Perform After insp...

Page 300: ...mperature sensor unit THA E2 SHTS021270300242 Measurement conditions Tester connections Standard values Starter key LOCK Intake air tempera ture sensor THA E2 20 C 68 F 2 69 2 21 k 60 C 140 F 0 667 0...

Page 301: ...e air temperature sensor D E58 E47 SHTS021270300244 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THA E47 Ground E5 E58 Ground Do the mea...

Page 302: ...tion 3 Connect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if P011C has been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300246 Has DTC...

Page 303: ...ry voltage is in the range of 10 V to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria Diesel throttle position sensor remains at...

Page 304: ...Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Abnormal resistance of sensor Engine ECU sensor power supply failure or internal circuit failure Disconnec...

Page 305: ...ent criteria Output of the sensor remains at 4 8 V 120 C 248 F or less for 3 seconds or longer 3 Reset condition After normal operation is restored 4 Indication warning or system control regulation wh...

Page 306: ...he sensing unit of the intake throttle valve position sensor 1 NO YES 1 Inspect the intake throttle valve position sensor 1 connector Was any failure found Connect securely repair if needed Perform Af...

Page 307: ...valve position sensor 1 connector NO YES 3 Inspect the intake throttle valve position sensor 1 unit VTA VC VC E2 VTA E2 SHTS021270300249 Measurement conditions Tester connections Standard values Star...

Page 308: ...Inspect the intake throttle valve position sensor 1 power supply VC E2 SHTS021270300250 Measurement conditions Tester connections Standard values Starter key ON Intake throttle valve position sensor 1...

Page 309: ...and ground NO YES 6 Inspect for short circuits in the wire harness of the diesel throttle intake throttle valve posi tion sensor 1 C D E33 E62 E57 SHTS021270300252 Measurement conditions Tester conne...

Page 310: ...wire harness of the diesel throttle intake throttle valve posi tion sensor 1 C D E33 E62 C D E33 E57 D E57 E62 SHTS021270300253 Measurement conditions Tester connections Standard values Starter key L...

Page 311: ...vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if the DTC P0122 or P0123 has been detected NO YES 8 Check the DTC detected Engine ECU SHTS021270300254 Has DTC P0...

Page 312: ...The thermostat must therefore be diagnosed to see if it is working properly Description of malfunction In order to detect a malfunction of the thermostat the above failure is determined when the actu...

Page 313: ...s on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test dri...

Page 314: ...he sensing unit of the engine coolant temperature sensor NO YES 1 Inspect the engine coolant temperature sensor connector Was any failure found Connect securely repair if needed Perform After inspecti...

Page 315: ...ing is damaged NO YES 3 Inspect the engine coolant temperature sensor unit E THW SHTS021270300256 Measurement conditions Tester connections Standard values Starter key LOCK Engine coolant temperature...

Page 316: ...ut from hot water submerge in water and check that the valve closes within 5 minutes NO YES 5 Inspect the thermostat valve opening temperature Was any failure found Replace the thermostat Perform Afte...

Page 317: ...3 Connect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if P0128 has been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300257 Has DTC P012...

Page 318: ...njection Supply pump Flow damper Injection pipe Common rail Pressure feeding pipe Pressure limiter Overflow pipe Injector Through feed pipe Leakage pipe Pre fuel filter Fuel filter Fuel tank Overflow...

Page 319: ...ed value Malfunction determination time 10 seconds 3 Reset condition Immediately after normal status is resumed 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light O...

Page 320: ...DTC P0148 detected as present malfunction NO YES 1 Check if the following DTC are not detected at the same time in the results of step 1 P0263 P0266 P0269 P0272 NO YES 1 Check the DTC detected 1 HINO...

Page 321: ...oseness High pressure pipe breakage collapsing looseness NO YES 3 Inspect the fuel line Fuel filter Supply pump Common rail Injector Fuel tank Suction line Positive pressure line High pressure line Re...

Page 322: ...F or more 2 Stop the engine 3 Set the starter key to the ON position 4 Select Engine and check if the DTC P0148 has been detected NO YES 4 Inspect the pre fuel filter Was any failure found Replace the...

Page 323: ...inders according to the sound difference when the fuel injection from any one of the cylinders is stopped NO YES 1 Perform the engine warm up engine coolant temperature 80 C 176 F or more 2 Stop the e...

Page 324: ...DTC P0148 has been detected NO YES 1 Check that the injector clamp is not loose 2 Check that there is no insufficient engagement of the injector clamp claw NO YES 8 Replace the common rail assembly H...

Page 325: ...0267 Measurement conditions Standard values Cold engine Intake valve 0 30 mm 0 0118 in Exhaust valve 0 45 mm 0 0177 in Cylinder number 1 2 3 4 Valve arrangement Intake Exhaust Intake Exhaust Intake Ex...

Page 326: ...gine speed main sensor Crank shaft position sensor NO YES 11 Check the engine compression pressure SST To engine SHTS021270300268 Measurement conditions Standard values Engine revolution 150 r min Sta...

Page 327: ...2 Stop the engine 3 Set the starter key to the ON position 4 On the screen of the diagnostic system check DTC P0148 NO YES 13 Check the DTC detected 5 HINO DX SHTS021270300270 Has DTC P0148 been detec...

Page 328: ...ding to sound difference Know how examples Combustion abnormality of the arbitrary cylinder is determined according to sound difference to take proper measures 1 Start the engine and maintain the engi...

Page 329: ...the cylinder 1 stop the fuel injection of the cylinders 2 3 and 4 in this order Assume B C and D as the measured sounds respectively HINT If sound abnormality is not clear repeat the steps 4 and 5 If...

Page 330: ...ed 700 r min Fuel injection quantity 5 mm3 st cyl Fuel injection quantity fluctuation 26 6 mm3 st cyl Target current value of SCV 1 500 mA 2 Judgement criteria Actual common rail pressure target commo...

Page 331: ...oltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors Pre fuel filter clogged Common rail pressure sensor...

Page 332: ...ection quantity 5 mm3 st cyl Fuel injection quantity fluctuation 40 6 mm3 st cyl Target current value of SCV 1250 mA 2 Judgement criteria Actual common rail pressure target common rail pressure 15 MPa...

Page 333: ...oltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors Pre fuel filter clogged Common rail pressure sensor...

Page 334: ...S 1 Inspect the start of the engine Does the engine start Go to step 4 Go to step 2 2 Inspect the supply pump Was any failure found Replace the supply pump and go to step 4 Go to step 3 3 Function che...

Page 335: ...oint bolts are not loose NO YES 1 Check if the breather hose is clogged punctured or bent 2 Make sure the check valve is functioning normally NO YES 4 Inspect the pre fuel filter Was any failure found...

Page 336: ...r built into the supply pump is not clogged NO YES 7 Inspect the fuel tank feed pipe Was any failure found Repair or replace the faulty part and go to step 8 Go to step 8 8 Inspect the fuel tank Was a...

Page 337: ...contact NO YES 10 Inspect the fuel high pressure pipe Was any failure found Repair or replace the faulty part and go to step 11 Go to step 11 11 Inspect the fuel filter Was any failure found Repair o...

Page 338: ...at the engine main speed sensor NE and sub speed sensor G operate stay ON continuously NO YES 14 Inspect the common rail pressure sensor power supply VC2 GND SHTS021270300276 Measurement conditions Te...

Page 339: ...BLESHOOTING 2 303 1 Check if the fuel return pipe and hose are clogged NO YES 16 Inspect the fuel return pipe and hose Was any failure found Repair or replace the faulty part Contact the Hino national...

Page 340: ...e sensor remains at 0 1 V or less for 3 seconds or longer 3 Reset condition After restoration to normal condition 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS ligh...

Page 341: ...5 8 Estimated failure factors Irregular contact wet of connector Abnormal resistance of sensor Harness disconnection or short circuit Engine ECU sensor power supply failure or internal circuit failure...

Page 342: ...5 V or greater for 3 seconds or longer 3 Reset condition After restoration to normal condition 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS light ON 5 Symptoms on...

Page 343: ...stimated failure factors Irregular contact disconnection or poor fit Abnormal resistance of sensor Harness disconnection or short circuit Engine ECU sensor power supply failure or internal circuit fai...

Page 344: ...r clogging in the sensing unit of the fuel temperature sensor NO YES 1 Inspect the fuel temperature sensor connector Was any failure found Connect securely repair if needed Perform After inspection wo...

Page 345: ...Inspect the fuel temperature sensor unit E2 THF SHTS021270300280 Measurement conditions Tester connections Standard values Starter key LOCK Fuel temperature sensor THF E2 20 C 68 F 2 32 2 59 k 80 C 1...

Page 346: ...ess of fuel temperature sensor D E76 E48 SHTS021270300282 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THF E48 Ground E2 E76 Ground Do t...

Page 347: ...vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if the DTC P0182 or P0183 has been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300284 Has DTC P0...

Page 348: ...uantity fluctuation 2 6 mm3 st cyl sec Target current value of SCV 1 250 mA No supply pump related DTC is detected 2 Judgement criteria Actual common rail pressure target common rail pressure 15 MPa f...

Page 349: ...ion 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Pre...

Page 350: ...nspect the start of the engine Does the engine start Go to step 4 Go to step 2 2 Inspect the supply pump Was any failure found Replace the supply pump and go to step 4 Go to step 3 3 Function check of...

Page 351: ...r are clogged punctured or bent 2 Make sure the fuel pipe joint bolts are not loose NO YES 4 Inspect the pre fuel filter Measurement conditions Standard values While engine is running At least 25 4 mm...

Page 352: ...l tank and check if there are foreign objects inside the tank NO YES 6 Inspect the fuel tank breather Was any failure found Repair or replace the faulty part and go to step 7 Go to step 7 7 Inspect th...

Page 353: ...e fuel filter is not clogged NO YES 9 Inspect the supply pump gauze filter Was any failure found Clean the gauze filter and go to step 10 Go to step 10 10 Inspect the fuel high pressure pipe Was any f...

Page 354: ...f the common rail pressure sensor connec tor looseness and poor contact NO YES 12 Inspect the SCV connector Was any failure found Repair or replace the faulty part and go to step 13 Go to step 13 13 I...

Page 355: ...hat the engine main speed sensor NE and sub speed sensor G operate stay ON continuously NO YES 14 Inspect the common rail pressure sensor power supply VC2 E2 SHTS021270300287 Measurement conditions Te...

Page 356: ...BLESHOOTING 2 320 1 Check if the fuel return pipe and hose are clogged NO YES 16 Inspect the fuel return pipe and hose Was any failure found Repair or replace the faulty part Contact the Hino national...

Page 357: ...on rail pressure sensor main remains at 0 7 V 10 7 MPa or lower for 0 2 seconds or longer 3 Reset condition After restoration to normal condition and starter key LOCK 4 Indication warning or system co...

Page 358: ...E J05E TROUBLESHOOTING 2 322 8 Estimated failure factors Abnormality in resistance of sensor Failure in engine ECU sensor power supply Disconnection or short circuit in sensor harness Sensor internal...

Page 359: ...r main remains at 4 49 V 260 MPa or higher for 0 2 seconds or longer 3 Reset condition After restoration to normal condition and starter key LOCK 4 Indication warning or system control regulation when...

Page 360: ...BLESHOOTING 2 324 8 Estimated failure factors Abnormality in resistance of sensor Disconnection or short circuit in sensor harness Engine ECU sensor power supply failure or internal circuit failure Ir...

Page 361: ...amage or clogging in the sensing unit of the sensor NO YES 1 Inspect the common rail pressure sensor connector Was any failure found Connect securely repair if needed Perform After inspection work of...

Page 362: ...common rail pressure sensor unit PCR2 VC2 E2 main PCR2 main VC2 main VC1 sub PCR1 sub E1 sub E2 PCR2 E2 main PCR2 main VC2 main VC1 sub PCR1 sub E1 sub SHTS021270300291 Measurement conditions Tester c...

Page 363: ...YES 4 Inspect the common rail pressure sensor power supply E2 VC2 SHTS021270300292 Measurement conditions Tester connections Standard values Starter key ON Common rail pres sure sensor vehi cle side c...

Page 364: ...terminals and ground NO YES 6 Inspect for short circuits in wire harness of the common rail pressure sensor VC2 GROUND PCR2 GROUND SHTS021270300294 Measurement conditions Tester connections Standard v...

Page 365: ...erminals of the engine ECU signal check harness NO YES 7 Inspect disconnection of the common rail pressure sensor harness C D E76 E33 D E76 E64 E65 SHTS021270300295 Measurement conditions Tester conne...

Page 366: ...vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if the DTC P0192 or P0193 has been detected NO YES 8 Check the DTC detected Engine ECU SHTS021270300296 Has DTC P0...

Page 367: ...ds 2 Judgement criteria Common rail pressure sensor sub voltage is below 1 2 V 10 7 MPa for 0 2 seconds 3 Reset condition After restoration to normal condition and starter key LOCK 4 Indication warnin...

Page 368: ...ROUBLESHOOTING 2 332 8 Estimated failure factors Abnormal sensor resistance Harness disconnection or short circuit looseness or poor contact of connector Engine ECU sensor power supply or internal cir...

Page 369: ...ging in the sensing unit of common rail pressure sensor NO YES 1 Inspect the common rail pressure sensor connector Was any failure found Connect securely repair if needed Perform After inspection work...

Page 370: ...nsor unit VC1 PCR1 PCR1 E1 E2 main PCR2 main VC2 main VC1 sub PCR1 sub E1 sub E2 main PCR2 main VC2 main E1 sub VC1 sub PCR1 sub SHTS021270300298 Measurement conditions Tester connections Standard val...

Page 371: ...e sensor power supply E1 VC1 SHTS021270300299 Measurement conditions Tester connections Standard values Starter key ON Common rail pres sure sensor vehi cle side connector VC1 E1 4 5 5 5 V Do the meas...

Page 372: ...inals and ground NO YES 6 Inspect for short circuits in wire harness of the common rail pressure sensor VC1 GROUND GROUND PCR1 SHTS021270300301 Measurement conditions Tester connections Standard value...

Page 373: ...position 5 Select Engine and check if P01A5 has been detected NO YES 7 Inspect disconnection of the common rail pressure sensor harness C D E13 E56 D E49 E56 E68 SHTS021270300302 Measurement conditio...

Page 374: ...conds 2 Judgement criteria Common rail pressure sensor sub voltage is above 4 79 V 245 7 MPa for 0 2 seconds 3 Reset condition After restoration to normal condition and starter key LOCK 4 Indication w...

Page 375: ...2 339 8 Estimated failure factors Abnormal resistance of sensor Disconnection or short circuit in sensor harness Irregular contact disconnection or poor fit of connector Engine ECU sensor power supply...

Page 376: ...ging in the sensing unit of common rail pressure sensor NO YES 1 Inspect the common rail pressure sensor connector Was any failure found Connect securely repair if needed Perform After inspection work...

Page 377: ...nsor unit VC1 PCR1 PCR1 E1 E2 main PCR2 main VC2 main VC1 sub PCR1 sub E1 sub E2 main PCR2 main VC2 main E1 sub VC1 sub PCR1 sub SHTS021270300305 Measurement conditions Tester connections Standard val...

Page 378: ...e sensor power supply E1 VC1 SHTS021270300306 Measurement conditions Tester connections Standard values Starter key ON Common rail pres sure sensor vehi cle side connector VC1 E1 4 5 5 5 V Do the meas...

Page 379: ...inals and ground NO YES 6 Inspect for short circuits in wire harness of the common rail pressure sensor VC1 GROUND GROUND PCR1 SHTS021270300308 Measurement conditions Tester connections Standard value...

Page 380: ...position 5 Select Engine and check if P01A6 has been detected NO YES 7 Inspect disconnection of the common rail pressure sensor harness C D E13 E56 D E49 E56 E68 SHTS021270300309 Measurement conditio...

Page 381: ...on After normal operation is restored and engine is restarted after engine stall 4 Indication warning or system control regulation when the DTC is set MIL ON Diag light OFF Engine output is restricted...

Page 382: ...Idling stop system does not work Vehicle start control does not work PTO cannot be used Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal...

Page 383: ...Set the starter key to the ON position 8 Select Engine and check if P0200 has been detected NO YES 1 Check the engine ECU internal circuit HINO DX When communication with the engine ECU is interrupte...

Page 384: ...isconnection P0204 2 DTC set condition 1 DTC detection condition Battery voltage is in the range of 10 V to 16 V Engine speed is higher than 0 The fuel injector driver charge circuit is active 2 Judge...

Page 385: ...ptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test d...

Page 386: ...Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to step 2 2 Inspect disconnection of the engine ECU harness C E34 E40 E14 E15 E16 E20 E...

Page 387: ...e DTC detected Engine ECU SHTS021270300315 Has DTC P0201 P0202 P0203 and P0204 has been detected Replace the engine ECU Perform After inspection work of INFOR MATION section Procedure completed Perfor...

Page 388: ...harness connector injec tor side terminals 20 C 68 F 0 37 0 57 Do the measurements meet the standard value Repair or replace the wire harness between the injector central connector and injector harne...

Page 389: ...rmal operation is restored 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS light ON After fixed time the engine stopped Cruise control function is not available Idlin...

Page 390: ...m by referring to the Workshop Manual Engine Introduction and Troubleshooting Overheating Faulty coolant related component Faulty cooling system Faulty injection system Faulty lubricating system 2 Mal...

Page 391: ...e from the clutch NO YES 1 Inspect the engine Was any failure found Repair or replace the faulty part Perform After inspection work of INFOR MATION section Go to step 2 2 Inspect the cooling fan Was a...

Page 392: ...unit of the engine coolant temperature sensor NO YES 4 Inspect the coolant temperature sensor connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR...

Page 393: ...Engine and check if P0217 has been detected NO YES 6 Inspect the engine coolant temperature sensor unit E THW SHTS021270300320 Measurement conditions Tester connections Standard values Starter key LOC...

Page 394: ...oration to normal condition 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS light OFF Cruise control function is not available Accelerator is fully closed EGR valve i...

Page 395: ...8 Estimated failure factors Miss shift MT vehicle Operated with excessive engine oil running around to the air intake system Irregular contact of connector and harness Malfunction of engine speed main...

Page 396: ...he engine oil level Oil level gauge FULL ADD Engine damage will occur Gauge end Rivet Preferred level SHTS021270300323 Is the engine oil quantity within the standard value Go to step 2 Adjust the engi...

Page 397: ...tween the termi nals of the engine speed main sensor vehicle side connector NO YES 3 Check the engine speed main sensor Was any failure found Clean the sensing unit and install it properly If damaged...

Page 398: ...inal in the engine speed main sensor vehicle side connector NO YES 5 Check for disconnection in wire harness of engine speed main sensor D NE NE E52 E72 SHTS021270300325 Measurement conditions Tester...

Page 399: ...eck for short circuit in wire harness of engine speed main sensor D E72 E52 SHTS021270300326 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har nes...

Page 400: ...ignal check harness NO YES 7 Check the engine speed main sensor signal D E52 E72 SHTS021270300327 Measurement conditions Tester connections Standard values Engine idling Engine ECU sig nal check har n...

Page 401: ...onnect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if P0219 has been detected NO YES 8 Check the DTC detected Engine ECU SHTS021270300329 Has DTC P0219 be...

Page 402: ...ter key ON Battery voltage is in the range of 10 V to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria Output of the sensor remain...

Page 403: ...ll past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Abnormal resistance of sensor Disconnection or short circuit in sensor harness Failure in engine ECU sensor power...

Page 404: ...V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria Output of the sensor remains at 4 8 V 120 degrees or less for 3 seconds or longer 3...

Page 405: ...INE J05E TROUBLESHOOTING 2 369 8 Estimated failure factors Abnormal resistance of sensor Disconnection or short circuit in sensor harness Sensor internal short circuit Engine ECU internal circuit fail...

Page 406: ...he sensing unit of the intake throttle valve position sensor 2 NO YES 1 Inspect the intake throttle valve position sensor 2 connector Was any failure found Connect securely repair if needed Perform Af...

Page 407: ...position sensor 2 NO YES 3 Inspect the intake throttle valve position sensor 2 unit VTA2 VC E2 VC E2 VTA2 SHTS021270300332 Measurement conditions Tester connections Standard values Starter key LOCK I...

Page 408: ...nspect the intake throttle valve position sensor 2 power supply VC E2 SHTS021270300333 Measurement conditions Tester connections Standard values Starter key ON Intake throttle valve position sensor 2...

Page 409: ...check harness and ground NO YES 6 Inspect for short circuits in wire harness of intake throttle valve position sensor 2 C D E33 E57 E46 SHTS021270300335 Measurement conditions Tester connections Stand...

Page 410: ...disconnections in wire harness of intake throttle valve C D C D D E33 E46 E33 E57 E57 E46 SHTS021270300336 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal...

Page 411: ...e vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if the DTC P0222 or P0223 has been detected NO YES 8 Check the DTC detected Engine ECU SHTS021270300337 Has DTC...

Page 412: ...n for 4 seconds or more The target boost pressure is 40 kPa gauge or more If the engine speed is 750 r min fuel injection quantity is 100 mm3 st cyl or more If the engine speed is in range of 1250 to...

Page 413: ...n the DTC is set MIL ON SVS light OFF 5 Symptoms on the vehicle when the DTC is set Symptoms on the vehicle due to backup control fail safe function Symptoms on the vehicle due to malfunction Turbocha...

Page 414: ...he boost pressure sensor hose is not clogged rup tured or cracked 2 Make sure the pipe on the intake manifold side is not clogged NO YES 1 Check the DTC detected Engine ECU SHTS021270300339 Has a DTC...

Page 415: ...termi nals of the boost pressure sensor vehicle side connector NO YES 3 Inspect the boost pressure sensor power supply system VC E SHTS021270300340 Measurement conditions Tester connections Standard...

Page 416: ...Select VNT UP Inspect the response delay at each step of the Target VNT position and Actual VNT position from 0 to 90 5 Select VNT DOWN Inspect the response delay at each step of the Target VNT positi...

Page 417: ...position from 0 to 90 5 Click EGR opening DOWN Inspect the response delay at each step of the Target EGR position and Actual EGR position from 90 to 0 HINT The EGR opening position changes of around 1...

Page 418: ...r remains at 0 3 V 32 4 kPa or less for 3 seconds or longer 3 Reset condition After restoration to normal condition and starter key LOCK 4 Indication warning or system control regulation when the DTC...

Page 419: ...ll past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Abnormal resistance of sensor Disconnection or short circuit in sensor harness Failure in engine ECU sensor power...

Page 420: ...logging in the sensing unit of the boost pressure sensor NO YES 1 Inspect the boost pressure sensor connector Was any failure found Connect securely repair if needed Perform After inspection work of I...

Page 421: ...esistance between the terminals of the engine ECU signal check harness and ground NO YES 3 Inspect for short circuit of the boost pressure sensor harness C D E33 E67 E77 SHTS021270300344 Measurement c...

Page 422: ...nnection of the boost pressure sensor harness C D E33 E77 E67 VC PIM E SHTS021270300345 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness Boo...

Page 423: ...ON position 4 Select Engine and check if P0237 has been detected NO YES 5 Inspect the boost pressure sensor power supply VC E SHTS021270300346 Measurement conditions Tester connections Standard values...

Page 424: ...y and timing INFORMATION Supply pump Flow damper Injection pipe Common rail Pressure feeding pipe Pressure limiter Overflow pipe Injector Through feed pipe Leakage pipe Pre fuel filter Fuel filter Fue...

Page 425: ...t cyl The exhaust brake and PTO are inactive 2 All the following conditions continue for more than 10 seconds The engine speed is within the below table Gear position unchanged The fuel injection quan...

Page 426: ...ction Excessive vibration while engine is idling 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored aft...

Page 427: ...P0263 2 P0266 3 P0269 and 4 P0272 have been detected as an Active NO YES 1 Check if the following DTC are not detected at the same time in the results of step 1 P0263 P0266 P0269 P0272 NO YES 1 Check...

Page 428: ...er is not dirty or clogged NO YES 3 Inspect the fuel line Fuel filter Supply pump Common rail Injector Fuel tank Suction line Positive pressure line High pressure line Return line A return line from t...

Page 429: ...test procedure on the following pages Cylinder cut off test This method is generally used to check combustion abnormalities by stopping the fuel injection for one of the cylinder of a four cylinder e...

Page 430: ...176 F or more 4 Stop the engine 5 Set the starter key to the ON position 6 Select Engine and check if any followings DTCs cylinder 1 P0263 2 P0266 3 P0269 and 4 P0272 have been detected NO YES 7 Check...

Page 431: ...insufficient engagement of the injector clamp claw NO YES 9 Check the injector clamp INJECTOR INJECTOR CLAMP BOLT INJECTION PIPE INJECTION PIPE OIL SEAL O RING SHTS021270300356 Was any failure found...

Page 432: ...Standard values Cold engine Intake valve 0 3 mm 0 0118 in Exhaust valve 0 45 mm 0 0177 in Cylinder number 1 2 3 4 Valve arrangement Intake Exhaust Intake Exhaust Intake Exhaust Intake Exhaust No 1 cy...

Page 433: ...mpression on each cylinder one at a time on all 6 cylinders NO YES 11 Check the engine compression pressure SST To engine SHTS021270300358 Measurement conditions Standard values Engine revolution 150...

Page 434: ...P0272 have been detected NO YES 12 Inspect the engine speed main sensor Crankshaft position sensor Engine speed main sensor Crankshaft position sensor Connector Flywheel housing SHTS021270300359 Was a...

Page 435: ...eased and decreased so that the engine speed of each cylinder is kept constant Description of malfunction Abnormal average injection quantity into 1 4 cylinders is detected Supply pump Flow damper Inj...

Page 436: ...re If the speed of all of cylinders from 1 4 measured by the engine speed main sensor is low the status where the fuel injection quantity decreases by 10 to 20 mm3 st cyl or more remains for 20 second...

Page 437: ...if the DTC P026C or P026D has been detected as an Active NO YES 1 Check if the following DTC are not detected at the same time in the results of step 1 P0263 P0266 P0269 P0272 NO YES 1 Check the DTC...

Page 438: ...oseness High pressure pipe breakage collapsing looseness NO YES 3 Inspect the fuel line Fuel filter Supply pump Common rail Injector Fuel tank Suction line Positive pressure line High pressure line Re...

Page 439: ...e starter key to the ON position 4 Select Engine and check if the DTC P026C or P026D has been detected NO YES 4 Inspect the pre fuel filter Was any failure found Replace the pre fuel filter Go to step...

Page 440: ...re 80 C 176 F or more 2 Stop the engine 3 Set the starter key to the ON position 4 Select Engine and check if the DTC P026C or P026D has been detected NO YES 6 Perform the cylinder cut off test HINO D...

Page 441: ...lant temperature 80 C 176 F or more 4 Stop the engine 5 Set the starter key to the ON position 6 Select Engine and check if the DTC P026C or P026D has been detected NO YES 8 Replace the common rail as...

Page 442: ...insufficient engagement of the injector clamp claw NO YES 9 Check the injector clamp INJECTOR INJECTOR CLAMP BOLT INJECTION PIPE INJECTION PIPE OIL SEAL O RING SHTS021270300369 Was any failure found...

Page 443: ...Standard values Cold engine Intake valve 0 30 mm 0 0118 in Exhaust valve 0 45 mm 0 0177 in Cylinder number 1 2 3 4 Valve arrangement Intake Exhaust Intake Exhaust Intake Exhaust Intake Exhaust No 1 c...

Page 444: ...tool SST and measure the compression NO YES 11 Check the engine compression pressure SST To engine SHTS021270300371 Measurement conditions Standard values Engine revolution 150 r min Standard values...

Page 445: ...026D has been detected NO YES 12 Inspect the engine speed main sensor Crankshaft position sensor Engine speed main sensor Crankshaft position sensor Connector Flywheel housing SHTS021270300372 Was any...

Page 446: ...by using sound differences Know how examples Detect combustion abnormalities of any cylinder from differences in the sound and perform the required corrections 1 Start the engine and use the cruise co...

Page 447: ...ay as for a cylinder No 1 The measure sounds shall be B C and D respectively HINT When the difference in the sound is difficult to detect repeat steps 4 and 5 If the sound of A D is the same of always...

Page 448: ...or more If the engine speed is 2500 r min fuel injection quantity is 120 mm3 st cyl or more Atmospheric pressure is higher than 75 kPa DPR auto regeneration is not actuated 2 Judgement criteria Deviat...

Page 449: ...due to backup control fail safe function Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past...

Page 450: ...he boost pressure sensor hose is not clogged rup tured or cracked 2 Make sure the pipe on the intake manifold side is not clogged NO YES 1 Check the DTC detected Engine ECU SHTS021270300377 Has a DTC...

Page 451: ...termi nals of the boost pressure sensor vehicle side connector NO YES 3 Inspect the boost pressure sensor power supply system E VC SHTS021270300378 Measurement conditions Tester connections Standard...

Page 452: ...Target VNT position and Actual VNT position from 0 to 90 5 Select VNT DOWN Inspect the response delay at each step of the Target VNT position and Actual VNT position from 90 to 0 HINT The VNT opening...

Page 453: ...position from 0 to 90 5 Click EGR opening DOWN Inspect the response delay at each step of the Target EGR position and Actual EGR position from 90 to 0 HINT The EGR opening position changes of around 1...

Page 454: ...rage injection quantity into 1 4 cylinders is increased and decreased so that the engine speed of each cylinder is kept constant Description of malfunction Two or more of the following DTCs are detect...

Page 455: ...nd PTO are not in operation 2 Judgement criteria Failure is determined when two or more of P0301 P0302 P0303 and P0304 are detected for 3 seconds 3 Reset condition After restoration to normal conditio...

Page 456: ...ere are no bends ruptures or loose connections in it NO YES 1 Inspect the fuel pipes Fuel filter Supply pump Common rail Injector Fuel tank Suction line Positive pressure line High pressure line Retur...

Page 457: ...on abnormalities by stopping the fuel injection for one of the cylinder of a four cylinder engine and verifying the injectors sound NO YES 2 Check the DTC detected Engine ECU SHTS021270300383 Has DTC...

Page 458: ...the engine engine coolant temperature 80 C 176 F or more 4 Stop the engine and set the starter key to the ON position 5 Select Engine and check if P0300 has been detected NO YES 4 Check the DTC detec...

Page 459: ...ck if P0300 has been detected NO YES 6 Check the compression ratio SST TO ENGINE SHTS021270300387 Measurement conditions Standard values Engine revolution 150 r min Standard values 3 2 3 4 MPa 33 35 k...

Page 460: ...ach cylinder by sound difference Know how examples Detect combustion abnormalities of any cylinder from differences in the sound and perform the required corrections 1 Start the engine and use the cru...

Page 461: ...rger when all cylinders are operating and the vibrations decrease when injection is stopped for the defec tive cylinder 5 Sequentially stop the injection for cylinders No 2 No 3 and No 4 in the same w...

Page 462: ...nt the speed of each cylinder Description of malfunction If the speed of the 1 cylinder is found abnormal the DTC P0301 will be detected If the speed of the 2 cylinder is found abnormal the DTC P0302...

Page 463: ...continue for more than 10 seconds diagnostic judgment will take place The fuel injection quantity is more than 40 mm3 st cyl The speed of each cylinder measured by engine speed main sensor crankshaft...

Page 464: ...starter key to the LOCK position 3 Connect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if any DTC other than P0301 P0302 P0303 or P0304 has been detected...

Page 465: ...n it NO YES 2 Inspect the fuel injection pipe between common rail and injector Fuel filter Supply pump Common rail Injector Fuel tank Suction line Positive pressure line High pressure line Return line...

Page 466: ...Check combustion abnormalities by stopping the fuel injection for one of the cylinder of a four cylinder engine and verifying the injectors sound NO YES 3 Check the DTC detected Engine ECU SHTS0212703...

Page 467: ...e engine coolant temperature 80 C 176 F or more 4 Stop the engine and the starter key to the ON position 5 Select Engine and check if the DTC P0301 P0302 P0303 or P0304 has been detected NO YES 5 Chec...

Page 468: ...04 has been detected NO YES 7 Check the engine compression pressure SST TO ENGINE SHTS021270300398 Measurement conditions Standard values Engine revolution 150 r min 3 2 3 4 MPa 33 35 kgf cm2 Limit 2...

Page 469: ...ach cylinder by sound difference Know how examples Detect combustion abnormalities of any cylinder from differences in the sound and perform the required corrections 1 Start the engine and use the cru...

Page 470: ...e larger when all cylinders are operating and the vibrations decrease when injection is stopped for the defec tive cylinder 5 Sequentially stop the injection for cylinders No 2 No 3 and No 4 in the sa...

Page 471: ...detect pulses for continuous 0 8 seconds or lon ger at 750 r min 3 Reset condition After normal operation is restored 4 Indication warning or system control regulation when the DTC is set MIL ON SVS l...

Page 472: ...k Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Abnormal resistance of sensor Sensor is disconnected from measuring site or sensing unit is malfunctionin...

Page 473: ...f the engine speed main sensor crankshaft position sensor NO YES 1 Inspect the engine speed main sensor crankshaft position sensor connector Was any failure found Connect securely repair if needed Per...

Page 474: ...or crankshaft position sensor NO YES 3 Inspect the engine speed main sensor crankshaft position sensor unit NE NE SHTS021270300403 Measurement conditions Tester connections Standard values Starter key...

Page 475: ...aft position sensor vehicle side connector NO YES 4 Inspect the engine speed main sensor crankshaft position sensor power supply NE NE SHTS021270300404 Measurement conditions Tester connections Standa...

Page 476: ...engine ECU signal check harness and ground NO YES 5 Inspect for short circuit of the engine speed main sensor crankshaft position sensor har ness D E72 E52 SHTS021270300405 Measurement conditions Tes...

Page 477: ...f P0335 has been detected NO YES 6 Inspect disconnection of the engine speed main sensor crankshaft position sensor harness D E52 E72 SHTS021270300406 Measurement conditions Tester connections Standar...

Page 478: ...is continuously detected For example 50 seconds at 750 r min 3 Reset condition After normal operation is restored 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light...

Page 479: ...f the engine speed main sensor crankshaft position sensor NO YES 1 Inspect the engine speed main sensor crankshaft position sensor connector Was any failure found Connect securely repair if needed Per...

Page 480: ...etween the termi nals of the engine speed main sensor crankshaft position sensor vehicle side connector NO YES 3 Inspect the engine speed main sensor crankshaft position sensor power supply NE NE SHTS...

Page 481: ...osition sensor vehicle side connector NO YES 4 Inspect disconnection of the engine speed main sensor crankshaft position sensor harness D NE NE E52 E72 SHTS021270300410 Measurement conditions Tester c...

Page 482: ...of the engine speed main sensor crankshaft position sensor har ness D E72 E52 SHTS021270300411 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har...

Page 483: ...arness NO YES 6 Check the engine speed main sensor crankshaft position sensor signal D E52 E72 SHTS021270300412 Measurement conditions Tester connections Standard values With engine idling Engine ECU...

Page 484: ...3 Connect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if P0336 has been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300414 Has DTC P033...

Page 485: ...8 seconds or longer at 750 r min 3 Reset condition After restoration to normal condition 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light OFF Idling stop system...

Page 486: ...and error may occur without any pulse signal from the sensor In such case please inspect the mounting sur face 2 Make sure there is no dirt damage or clogging in the sensing unit of the engine speed s...

Page 487: ...ge between the termi nals of the engine speed sub sensor camshaft position sensor vehicle side connector NO YES 3 Inspect the sensor power supply 1 VG G SHTS021270300416 Measurement conditions Tester...

Page 488: ...ect Engine and check if P0340 has been detected NO YES 4 Inspect the sensor power supply 2 D E54 E53 SHTS021270300417 Measurement conditions Tester connections Standard values Starter key ON Engine EC...

Page 489: ...more 2 Judgement criteria The number of the engine speed sub sensor pulses per 2 engine revolutions is continuously abnormal other than 5 pulses For example 100 seconds for 750 r min 3 Reset condition...

Page 490: ...ors Abnormal resistance of sensor Improper pulses Sensor is disconnected from measuring site or sensing unit is malfunctioning due to adhesion of dirt damage etc Irregular contact disconnection or poo...

Page 491: ...and error may occur without any pulse signal from the sensor In such case please inspect the mounting sur face 2 Make sure there is no dirt damage or clogging in the sensing unit of the engine speed s...

Page 492: ...measure the resistance between the terminals of the engine ECU and ground NO YES 3 Inspect for short circuit of the engine speed sub sensor camshaft position sensor harness D E53 E54 E73 SHTS02127030...

Page 493: ...the engine speed sub sensor camshaft position sensor harness D E53 E54 E73 G G1 VG SHTS021270300421 Measurement conditions Tester connections Standard values Starter key LOCK Engine speed sub sensor c...

Page 494: ...d sub sensor camshaft position sensor vehicle side connector NO YES 5 Inspect the engine speed sub sensor camshaft position sensor power supply VG G SHTS021270300422 Measurement conditions Tester conn...

Page 495: ...ES 6 Inspect the engine speed sub sensor camshaft position sensor signal A B E73 V80 SHTS021270300423 Measurement conditions Tester connections Standard values With engine idling Engine ECU sig nal ch...

Page 496: ...3 Connect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if P0341 has been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300425 Has DTC P034...

Page 497: ...n drive status Glow light in drive status Starter key ON Battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Ju...

Page 498: ...er inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Failure of glow light in combination meter Disconnection or short circuit in sensor harn...

Page 499: ...the operation of the combination meter various instruments and displays NO YES 1 Inspect the combination meter connector Was any failure found Connect securely repair if needed Perform After inspectio...

Page 500: ...tween the termi nals of the engine ECU signal check harness NO YES 3 Check the glow light circuit A B V80 V7 SHTS021270300427 Measurement conditions Tester connections Standard values Starter key ON L...

Page 501: ...ester to measure the resistance between the GIND V7 terminal in the engine ECU signal check harness and ground NO YES 4 Check for short circuit in wire harness of glow light A V7 SHTS021270300428 Meas...

Page 502: ...connection in glow light wire harness A V7 GLW SHTS021270300429 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness combination meter 40P vehic...

Page 503: ...of parameters calculated from the measured EGR rate predicted EGR rate and EGR valve feed back quantity is at least 0 2 conditions continue for at least 30 seconds 3 Reset condition After normal oper...

Page 504: ...ork Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Obstruction due to buildu...

Page 505: ...sing unit of the boost pressure sensor NO YES 1 Inspect the air cleaner element Was any failure found Clean or replace the air cleaner element Perform After inspection work of INFOR MATION section Go...

Page 506: ...temperature sensor intake manifold NO YES 4 Check the boost pressure sensor output signal SHTS021270300432 Standard values There is no abnormal change in the sensor output signal The pressure sensor s...

Page 507: ...r intake manifold NO YES 6 Inspect the intake air temperature sensor intake manifold unit E2 THA SHTS021270300433 Measurement conditions Tester connections Standard values Starter key LOCK Intake air...

Page 508: ...each step of the Target EGR position and Actual EGR position from 0 to 90 5 Select EGR opening DOWN Inspect the response delay at each step of the Target EGR position and Actual EGR position from 90 t...

Page 509: ...EGR valve for damage due to incursion of foreign sub stances 2 Check if the inlet outlet of the exhaust gas passageway is obstructed by soot NO YES 8 Inspect the EGR cooler Was any failure found Remov...

Page 510: ...d a malfunction reproduction test For a detailed procedure refer to the separate SCV free accelera tion test NO YES 10 Inspect the SCV Was any failure found Repair or replace the faulty part Perform A...

Page 511: ...1 Inspect the injector SHTS021270300435 Engine Ne r min NE Rotational fluctuation 1 500 r min measurement by HINO DXII SHTS021270300436 Measurement conditions Engine speed 1 500 r min No load Neutral...

Page 512: ...the starter key to the ON position 4 Select Engine and check if P0401 has been detected NO YES 12 Check the DTC detected Engine ECU SHTS021270300438 Has DTC P0401 been detected Replace the engine ECU...

Page 513: ...tion pattern 1 After engine has reached operating temperature more than 82 C 179 6 F 2 After air compressor completed building pressure 3 A C Head lights off 4 All devices off PTO Refrigeration compre...

Page 514: ...the supply pump 2 Types of HINO DX data to be measured SHTS021270300441 3 If the following symptoms occur FAIL If not OK Time Common rail pressure Engine speed pattern a Pressure is reduced by 5 MPa...

Page 515: ...actual rail pressure falls below the target rail pressure Replace the SCV Time Common rail pressure Engine speed pattern Pressure is increased by 5 MPa or more continually for 5 seconds or more Actual...

Page 516: ...ssure decreases at higher speed Replace the supply pump Common rail pressure Accelerator pattern 222 MPa Time Actual common rail pressure Target common rail pressure SHTS021270300446 Common rail press...

Page 517: ...during pressure relief Replace the SCV Time Common rail pressure Engine speed pattern Remains for 5 seconds or longer 10 MPa or more Actual common rail pressure Target common rail pressure SHTS0212703...

Page 518: ...than 82 C 179 6 F 2 After air compressor has completed building pressure 3 A C Head lights are off 4 All other devices turned off PTO Refrigeration compressor etc 5 Engine speed 750 r min Criteria FIN...

Page 519: ...ored in the ECU memory Description of malfunction EGR rate may be over applied E7Q E2 E7P THG THIA XZJ 10mA 10mA YM5 YM6 CAN CAN NFA NFA CANH CANL Y4K Y4J GND XG XV CANH CANL Z90 Y2E Z90 4 Y4J X36 E B...

Page 520: ...least 30 seconds Above criterion is determined from the boost pressure intake manifold temperature air intake quantity fuel injection rate and engine speed 3 Reset condition After normal operation is...

Page 521: ...SHOOTING 2 485 8 Estimated failure factors Intake manifold temperature sensor failure Air flow sensor failure Boost pressure sensor failure Injector failure EGR valve failure Clogged intake system VNT...

Page 522: ...t Start inspection 4 Select EGR opening UP Inspect the response delay at each step of the Target EGR position and Actual EGR position from 0 to 90 5 Select EGR opening DOWN Inspect the response delay...

Page 523: ...tion and Actual VNT position from 90 to 0 HINT The VNT opening position changes of around 10 per step between 0 90 NO YES 1 Check the air cleaner element for dirt clogging or damage 2 Make sure the el...

Page 524: ...irt clogging or damage NO YES 4 Inspect the air flow sensor Was any failure found Clean the sensing unit and install it properly If damaged replace the air flow sensor Perform After inspection work of...

Page 525: ...nifold connector looseness and poor contact NO YES 7 Inspect the boost pressure sensor Was any failure found Clean the sensing unit and install it properly If damaged replace the boost pressure sen so...

Page 526: ...ect the intake air temperature sensor intake manifold Was any failure found Clean the sensing unit and install it properly If damaged replace the intake air tempera ture sensor intake manifold Perform...

Page 527: ...es 2 Check if there is soot obstructing the exhaust gas passageway inlet or outlet NO YES 11 Inspect the EGR valve Was any failure found Remove foreign substances and clean the valve Replace the EGR v...

Page 528: ...SHTS021270300456 Engine Ne r min NE Rotational fluctuation 1 500 r min measurement by HINO DX II SHTS021270300457 Measurement conditions Engine speed 1 500 r min No load T M shift lever Neutral positi...

Page 529: ...the starter key to the ON position 4 Select Engine and check if P0402 has been detected NO YES 13 Check the DTC detected Engine ECU SHTS021270300459 Has DTC P0402 been detected Replace the engine ECU...

Page 530: ...ction condition Starter key ON A target EGR valve opening is 10 C 50 F or more The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min or more...

Page 531: ...st DTCs Check that no DTC is detected after test drive 8 Estimated failure factors EGR valve ring parts are damaged due to incursion of foreign substances Soot adhesion to EGR valve sealing face and g...

Page 532: ...disconnected or damaged due to incursion of foreign substances 2 Check if there is soot obstructing the exhaust gas passageway inlet or outlet NO YES 1 Check the DTC detected Engine ECU SHTS0212703004...

Page 533: ...O YES 3 Inspect the EGR valve connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to step 4 4 Inspect the EGR valve power supply...

Page 534: ...r istics of the target EGR valve opening and actual EGR valve open ing 5 Select EGR opening DOWN Check each step from 90 0 of the time lag following character istics of the target EGR valve opening an...

Page 535: ...stem is malfunctioning 2 DTC set condition 1 DTC detection condition Starter key is turned ON Battery voltage is in the range of 10 V to 16 V The engine is stopped or the engine speed remains at 500 r...

Page 536: ...ail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all...

Page 537: ...g 2 DTC set condition 1 DTC detection condition Starter key is turned ON Battery voltage is in the range of 10 V to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 se...

Page 538: ...put is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC...

Page 539: ...05 or P0406 has been detected NO YES 1 Check the connection of the EGR valve connector looseness and poor contact NO YES 1 Check the DTC detected Engine ECU SHTS021270300466 Has any DTC other than P04...

Page 540: ...y E B SHTS021270300467 Measurement conditions Tester connections Standard values Starter key ON EGR valve vehicle side connector B E 10 16 V Do the measurements meet the standard value Replace the EGR...

Page 541: ...or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria Judged when the average EGR gas temperature is 70 C 158 F or more 3 Reset condition Immediately after normal...

Page 542: ...Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors Loose...

Page 543: ...hicle speed is 13 mph or more Intake air quantity is 45 g sec or more Intake air temperature sensor built in air flow sensor is 10 C 14 F or more Exhaust brake and DPR are not actuated 2 Judgement cri...

Page 544: ...to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failu...

Page 545: ...he engine speed is 156 r min sec or less A change in fuel injection quantity is 78 mm3 st cyl sec or less Atmospheric pressure is higher than 75 kPa Vehicle speed is 13 mile h or more Intake air quant...

Page 546: ...n 50 3 Reset condition After restoration to normal condition and starter key LOCK 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light OFF 5 Symptoms on the vehicle w...

Page 547: ...pressure and EGR rate data If EGR system or Turbo DTC are detected perform another failure diagnosis starting from the first DTC associated with the malfunc tion NO YES 1 Check the connection of the E...

Page 548: ...t the EGR cooler outlet temperature sensor Was any failure found Clean the sensing unit and install it properly If damaged replace the EGR cooler outlet temperature sensor Perform After inspection wor...

Page 549: ...Inspect the EGR cooler outlet temperature sensor power supply E2 THG SHTS021270300474 Measurement conditions Tester connections Standard values Starter key ON EGR cooler outlet temperature sen sor ve...

Page 550: ...rness D E77 E45 SHTS021270300476 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THG E45 E4 E77 20 C 68 F 15 4 25 9 k 50 C 122 F 7 9 12 2 k...

Page 551: ...ect the intake air temperature sensor intake manifold unit E2 THA SHTS021270300477 Measurement conditions Tester connections Standard values Starter key LOCK Intake air tempera ture sensor intake mani...

Page 552: ...temperature sensor intercooler outlet unit THG E2 SHTS021270300478 Measurement conditions Tester connections Standard values Starter key LOCK Intake air tempera ture sensor inter cooler outlet THG E2...

Page 553: ...d check if P041B has been detected NO YES 13 Inspect the boost pressure sensor power supply system VC E SHTS021270300479 Measurement conditions Tester connections Standard values Starter key ON Boost...

Page 554: ...The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria Output of the sensor remains at 0 2...

Page 555: ...due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated fail...

Page 556: ...ed remains at 500 r min or more for 5 seconds or more Intake air temperature is 20 C 4 F or more 2 Judgement criteria Output of the sensor remains at 4 97 V or higher 40 C 40 F or lower for 3 seconds...

Page 557: ...6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Abnorm...

Page 558: ...n the sensing unit of the EGR cooler outlet temperature sensor NO YES 1 Inspect the EGR cooler outlet temperature sensor connector Was any failure found Connect securely repair if needed Perform After...

Page 559: ...erature sensor THG E2 SHTS021270300483 Measurement conditions Tester connections Standard values Starter key LOCK EGR cooler outlet temperature sen sor THG E2 50 C 122 F 7 4 19 6 k 100 C 212 F 3 0 6 2...

Page 560: ...temperature sensor D E77 E45 SHTS021270300485 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness THG E45 Ground E4 E77 Ground Do the measurem...

Page 561: ...vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if the DTC P041C or P041D has been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300487 Has DTC P0...

Page 562: ...determi nation of ATC deterioration 2 DTC set condition 1 DTC detection condition 2 Judgement criteria 3 Reset condition Immediately after normal status is resumed 4 Indication warning or system contr...

Page 563: ...e diagnostic system HINO DX to the vehicle 3 Set the starter key to the ON position 4 On the screen of the diagnostic system select Engine and check DTC P0420 NO YES 1 Check the DTC detected HINO DX S...

Page 564: ...but not more than 1800 mA 2 Judgement criteria A change in the operating current of the fuel pump upon post injection exceeds the specified value Malfunction determination time 10 seconds 3 Reset con...

Page 565: ...of the diagnostic system select Engine and check DTC P0421 NO YES 1 Inspect the exhaust gas temperature sensor DPF inlet connector for improper connection improper fitting and defective contact NO YES...

Page 566: ...tallation 2 Check the sensing area of the exhaust gas temperature sensor DPF inlet for dirt clogging and damage NO YES 4 Inspect the exhaust gas temperature sensor DPF inlet Was any failure found Clea...

Page 567: ...And the conditions described below remain for 10 seconds The predicted detection temperature of the exhaust gas temperature sensor DPF inlet calculated by the engine ECU is 450 C 842 F or more 2 Judge...

Page 568: ...of the diagnostic system select Engine and check DTC P0422 NO YES 1 Inspect the exhaust gas temperature sensor DPF inlet connector for improper connection improper fitting and defective contact NO YES...

Page 569: ...tallation 2 Check the sensing area of the exhaust gas temperature sensor DPF inlet for dirt clogging and damage NO YES 4 Inspect the exhaust gas temperature sensor DPF inlet Was any failure found Clea...

Page 570: ...t Description of malfunction EGR actuator system is malfunctioning 2 DTC set condition 1 DTC detection condition Starter key is turned ON Battery voltage is in the range of 10 V to 16 V The engine is...

Page 571: ...the DTC is set Symptoms on the vehicle due to backup control fail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery v...

Page 572: ...condition 1 DTC detection condition Starter key is turned ON Battery voltage is in the range of 10 V to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or mo...

Page 573: ...afe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past...

Page 574: ...inspection has been detected NO YES 1 Check the connection of the EGR valve connector looseness and poor contact NO YES 1 Check the DTC detected 1 Engine ECU SHTS021270300493 Has a DTC other than DTC...

Page 575: ...E B SHTS021270300494 Measurement conditions Tester connections Standard values Starter key ON EGR valve vehicle side connector B E 10 16 V Do the measurements meet the standard value Replace the EGR...

Page 576: ...tion of malfunction Failure message is received from EGR controller 2 DTC set condition 1 DTC detection condition The starter key is ON The battery voltage is in the range of 10 to 16 V The engine is...

Page 577: ...t Symptoms on the vehicle due to backup control fail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in t...

Page 578: ...e is soot obstructing the exhaust gas passageway inlet or outlet 3 Check if the valve or valve seat has come off 4 Manually push the actuator side lever and check if the valve opens and closes NO YES...

Page 579: ...Inspect the EGR valve connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to step 4 4 Inspect the EGR valve power supply E B SHT...

Page 580: ...step of the Target EGR position and Actual EGR position from 0 to 90 5 Select EGR opening DOWN Inspect the response delay at each step of the Target EGR position and Actual EGR position from 90 to 0...

Page 581: ...a The condition that the exhaust brake magnetic valve circuit voltage is 2 8 V or less remains for 3 seconds or more 3 Reset condition Immediately after normal operation is restored 4 Indication warni...

Page 582: ...ry voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors GND short circuit in exhaust brake drive signal...

Page 583: ...V or more remains for 3 seconds or more 3 Reset condition Immediately after normal operation is restored 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light OFF 5 Sy...

Page 584: ...pection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors B short circuit or disconnection in exhaust brake drive signal line Malfunction of exhaust b...

Page 585: ...valve NO YES 1 Inspect the exhaust brake magnetic valve connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to step 2 2 Inspect t...

Page 586: ...valve unit SOL SOL SHTS021270300502 Measurement conditions Tester connections Standard values Starter key LOCK Exhaust brake magnetic valve SOL SOL 8 3 18 3 Do the measurements meet the standard value...

Page 587: ...L SHTS021270300504 Measurement conditions Tester connections Standard values Starter key LOCK Exhaust brake magnetic valve vehicle side con nector SOL Ground Do the measurements meet the standard valu...

Page 588: ...ter key to the ON position 4 Select Engine and check if the DTC P04D5 or P04D6 has been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300506 Has DTC P04D5 or P04D6 been detected Replac...

Page 589: ...ant temperature is 30 C 86 F or more Engine speed of 500 r min or more Exhaust brake is not actuated EGR valve opening is more than 0 Atmospheric pressure is 75 kPa or more 2 Judgement criteria The th...

Page 590: ...nt EGR valve is fully closed Symptoms on the vehicle due to malfunction Faulty engine revving engine hesitation Insufficient output or engine stall because of DPF clogging due to faulty catalyst regen...

Page 591: ...t Start inspection 4 Select EGR opening UP Inspect the response delay at each step of the Target EGR position and Actual EGR position from 0 to 90 5 Select EGR opening DOWN Inspect the response delay...

Page 592: ...tion and Actual VNT position from 90 to 0 HINT The VNT opening position changes of around 10 per step between 0 90 NO YES 1 Check the air cleaner element for dirt clogging or damage 2 Make sure the el...

Page 593: ...irt clogging or damage NO YES 4 Inspect the air flow sensor Was any failure found Clean the sensing unit and install it properly If damaged replace the air flow sensor Perform After inspection work of...

Page 594: ...nifold connector looseness and poor contact NO YES 7 Inspect the boost pressure sensor Was any failure found Clean the sensing unit and install it properly If damaged replace the boost pressure sen so...

Page 595: ...ect the intake air temperature sensor intake manifold Was any failure found Clean the sensing unit and install it properly If damaged replace the intake air tempera ture sensor intake manifold Perform...

Page 596: ...es 2 Check if there is soot obstructing the exhaust gas passageway inlet or outlet NO YES 11 Inspect the EGR valve Was any failure found Remove foreign substances and clean the valve Replace the EGR v...

Page 597: ...TS021270300511 Engine Ne r min NE Rotational fluctuation 1 500 r min measurement by HINO DX II SHTS021270300512 Measurement conditions Engine revolution 1 500 r min No load T M shift lever Neutral pos...

Page 598: ...the starter key to the ON position 4 Select Engine and check if P04DA has been detected NO YES 13 Check the DTC detected Engine ECU SHTS021270300514 Has DTC P04DA been detected Replace the engine ECU...

Page 599: ...lant temperature is 50 C 122 F or higher Battery voltage is in the range of 10 V to 16 V PTO is not actuated 2 Judgement criteria Output of the vehicle speed sensor remains at a vehicle speed of 0 km...

Page 600: ...SHOOTING 2 564 8 Estimated failure factors Vehicle speed sensor failure Malfunction of pulse modulator in combination meter Harness disconnection or short circuit Irregular contact disconnection or po...

Page 601: ...longer 3 Reset condition After restoration to normal condition 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light ON 5 Symptoms on the vehicle when the DTC is set...

Page 602: ...cle to HINO DX 3 Set the starter key to the ON position 4 Select VCS and check if the DTC P0500 or P0501 has been detected NO YES 1 Inspect the combination meter Was any failure found Check the combin...

Page 603: ...measure the resistance between the engine ECU signal check harness and ground NO YES 3 Inspect for short circuits in wire harness of vehicle speed signal circuit A GROUND V14 SHTS021270300518 Measure...

Page 604: ...of vehicle speed signal circuit A SPD2 V14 SHTS021270300519 Measurement conditions Tester connections Standard values Starter key LOCK Combination meter vehicle side connector engine ECU sig nal check...

Page 605: ...rminal and engine ECU signal check harness terminal NO YES 5 Inspect for disconnection in wire harness of vehicle speed signal circuit A SPD2 V14 SHTS021270300520 Measurement conditions Tester connect...

Page 606: ...ion Immediately after normal operation is restored 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS light OFF Cruise control function is not available 5 Symptoms on th...

Page 607: ...h 2 Check if the brake switch is properly adjusted NO YES 1 Inspect the brake switch connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION sec...

Page 608: ...Measurement conditions Tester connections Standard values Starter key LOCK Brake switch NC NC Depress brake pedal Release brake pedal 2 max Do the measurements meet the standard value Go to step 4 Rep...

Page 609: ...als of the engine ECU signal check harness NO YES 5 Check the brake switch signal B V80 V75 SHTS021270300524 Measurement conditions Tester connections Standard values Starter key ON Engine ECU sig nal...

Page 610: ...arter key to the ON position 4 Select Engine and check if P0504 have been detected NO YES 6 Check the DTC detected Engine ECU SHTS021270300525 Has DTC P0504 been detected Replace the engine ECU Perfor...

Page 611: ...n be referred to 2 Judgement criteria Actual speed remains at 725 r min or lower for 15 seconds or longer 3 Reset condition Immediately after normal operation is restored 4 Indication warning or syste...

Page 612: ...Connect the vehicle to HINO DX 3 Set the starter key to the ON position 4 Select Engine and check if any DTC other than P0506 has been detected NO YES 1 Check the DTC detected Engine ECU SHTS021270300...

Page 613: ...O YES 2 Check the injector fuel injection quantity HINO DX Engine Ne r min NE Engine speed 1 500 r min measurement by HINO DX II SHTS021270300527 Measurement conditions Standard values Engine revoluti...

Page 614: ...the air compressor Was any failure found Repair or replace the faulty part Perform After inspection work of INFOR MATION section Go to step 4 4 Inspect the power steering pump Was any failure found R...

Page 615: ...be referred to 2 Judgement criteria Actual speed remains at 775 r min or higher for 15 seconds or longer 3 Reset condition Immediately after normal operation is restored 4 Indication warning or syste...

Page 616: ...Connect the vehicle to HINO DX 3 Set the starter key to the ON position 4 Select Engine and check if any DTC other than P0507 has been detected NO YES 1 Check the DTC detected Engine ECU SHTS021270300...

Page 617: ...O YES 2 Check the injector fuel injection quantity HINO DX Engine Ne r min NE Engine speed 1 500 r min measurement by HINO DX II SHTS021270300531 Measurement conditions Standard values Engine revoluti...

Page 618: ...the air compressor Was any failure found Repair or replace the faulty part Perform After inspection work of INFOR MATION section Go to step 4 4 Inspect the power steering pump Was any failure found R...

Page 619: ...Reset condition Immediately after normal operation is restored 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS light ON 5 Symptoms on the vehicle when the DTC is set...

Page 620: ...oil pressure switch NO YES 1 Check the engine oil level Oil level gauge FULL ADD Engine damage will occur Gauge end Rivet Preferred level SHTS021270300535 Was any failure found Adjust the engine oil...

Page 621: ...tch and ground NO YES 3 Inspect the oil pressure switch connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to step 4 4 Inspect t...

Page 622: ...asure the resistance between the OSW E41 terminal in the engine ECU signal check harness and ground NO YES 5 Inspect for short circuit of the oil pressure switch harness D E41 SHTS021270300537 Measure...

Page 623: ...me engine stopped 5 Symptoms on the vehicle when the DTC is set Symptoms on the vehicle due to backup control fail safe function Cruise control does not work After fixed time engine stopped Symptoms o...

Page 624: ...oil pressure switch NO YES 1 Check the engine oil level Oil level gauge FULL ADD Engine damage will occur Gauge end Rivet Preferred level SHTS021270300539 Was any failure found Adjust the engine oil...

Page 625: ...tch and ground NO YES 3 Inspect the oil pressure switch connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to step 4 4 Inspect t...

Page 626: ...to measure the resistance between the OSW E41 terminal in the engine ECU signal check harness and ground NO YES 5 Inspect for short circuit of the oil pressure switch harness D E41 SHTS021270300541 Me...

Page 627: ...switch harness D E41 OIL E2R SHTS021270300542 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness Oil pressure switch vehicle side con nector O...

Page 628: ...of 10 V to 16 V 2 Judgement criteria Voltage of the exhaust gas temperature sensor DOC1 inlet remains less than 0 063 V 1 165 C 2 219 F for 3 seconds 3 Reset condition After restoration to normal con...

Page 629: ...sensor DOC1 inlet Loose disconnected sensor or failure in sensing area contamination clogging or breakage Abnormal resistance of sensor Failure in engine ECU sensor power supply Disconnection or shor...

Page 630: ...mains at 690 r min or more for 5 seconds or more 2 Judgement criteria Voltage of the exhaust gas temperature sensor DOC1 inlet remains at 4 958 V or higher 46 C 50 8 F or lower for 3 seconds 3 Reset c...

Page 631: ...sensor DOC1 inlet Loose disconnected sensor or failure in sensing area contamination clogging or breakage Abnormal resistance of sensor Failure in engine ECU sensor power supply Disconnection or shor...

Page 632: ...ng unit of the exhaust gas temperature sensor DOC1 inlet NO YES 1 Inspect the exhaust gas temperature sensor DOC1 inlet connector Was any failure found Connect securely repair if needed Perform After...

Page 633: ...DOC1 inlet NO YES 3 Inspect the exhaust gas temperature sensor DOC1 inlet unit GND TOIL SHTS021270300545 Measurement conditions Tester connections Standard values Starter key LOCK Exhaust gas tem pera...

Page 634: ...YES 4 Inspect the sensor power supply TOIL GND SHTS021270300546 Measurement conditions Tester connections Standard values Starter key ON Exhaust gas tem perature sensor DOC1 inlet vehi cle side connec...

Page 635: ...cted NO YES 6 Check disconnection in wire harness of exhaust gas temperature sensor DOC1 inlet D E43 E58 SHTS021270300548 Measurement conditions Tester connections Standard values Starter key LOCK Eng...

Page 636: ...udgement criteria The fuel injection quantity is 2 mm3 st cyl or less for 15 seconds or longer 3 Reset condition Immediately after normal operation is restored 4 Indication warning or system control r...

Page 637: ...Connect the vehicle to HINO DX 3 Set the starter key to the ON position 4 Select Engine and check if any DTC other than P054E has been detected NO YES 1 Check the DTC detected Engine ECU SHTS021270300...

Page 638: ...O YES 2 Check the injector fuel injection quantity HINO DX Engine Ne r min NE Engine speed 1 500 r min measurement by HINO DX II SHTS021270300551 Measurement conditions Standard values Engine revoluti...

Page 639: ...the air compressor Was any failure found Repair or replace the faulty part Perform After inspection work of INFOR MATION section Go to step 4 4 Inspect the power steering pump Was any failure found R...

Page 640: ...udgement criteria The fuel injection quantity is 52 5 mm3 st cyl or more for 15 seconds or longer 3 Reset condition Immediately after normal operation is restored 4 Indication warning or system contro...

Page 641: ...Connect the vehicle to HINO DX 3 Set the starter key to the ON position 4 Select Engine and check if any DTC other than P054F has been detected NO YES 1 Check the DTC detected Engine ECU SHTS021270300...

Page 642: ...O YES 2 Check the injector fuel injection quantity HINO DX Engine Ne r min NE Engine speed 1 500 r min measurement by HINO DX II SHTS021270300555 Measurement conditions Standard values Engine revoluti...

Page 643: ...the air compressor Was any failure found Repair or replace the faulty part Perform After inspection work of INFOR MATION section Go to step 4 4 Inspect the power steering pump Was any failure found R...

Page 644: ...C is set MIL ON SVS light ON 5 Symptoms on the vehicle when the DTC is set Symptoms on the vehicle due to backup control fail safe function Symptoms on the vehicle due to malfunction 6 Pre inspection...

Page 645: ...trol regulation when the DTC is set MIL ON SVS light ON 5 Symptoms on the vehicle when the DTC is set Symptoms on the vehicle due to backup control fail safe function Symptoms on the vehicle due to ma...

Page 646: ...s any failure found Connect the fusible link properly or replace Perform After inspection work of INFOR MATION section Go to step 2 2 Inspect the connection of the battery cable Was any failure found...

Page 647: ...ES 4 Inspect the engine ECU power supply A B V59 V58 V38 V39 V18 V79 V78 V80 SHTS021270300560 Measurement conditions Tester connections Standard values Engine idling Engine ECU sig nal check har ness...

Page 648: ...ect Engine and check if the DTC P0562 or P0563 has been detected NO YES 5 Check the DTC detected Engine ECU SHTS021270300561 Has DTC P0562 or P0563 been detected Replace the engine ECU Perform After i...

Page 649: ...e opening is 0 or less Exhaust brake not actuated 2 Judgement criteria Theoretical air quantity calculated from boost pressure and atmospheric pressure and actual air quantity are compared for at leas...

Page 650: ...he normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors Sensor is disconnected from measuring site or sensing unit is mal...

Page 651: ...NO YES 1 Check the installation of the air flow sensor 2 Make sure there is no dirt damage or clogging in the sensing unit of the air flow sensor NO YES 1 Inspect the air cleaner element Was any fail...

Page 652: ...sistance between the terminals of the engine ECU and ground NO YES 4 Inspect for short circuit of the air flow sensor harness C D E12 E74 E78 SHTS021270300563 Measurement conditions Tester connections...

Page 653: ...ensor harness C D E12 E78 E74 FC E2G B SHTS021270300564 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness Air flow sensor vehicle side connec...

Page 654: ...esponse delay at each step of the Target EGR position and Actual EGR position from 0 to 90 5 Select EGR opening DOWN Inspect the response delay at each step of the Target EGR position and Actual EGR p...

Page 655: ...ing inside the inter cooler NO YES 8 Inspect the intake throttle valve Was any failure found Replace the intake throttle valve Perform After inspection work of INFOR MATION section Go to step 9 9 Insp...

Page 656: ...the starter key to the ON position 4 Select Engine and check if P05F1 has been detected NO YES 10 Check the DTC detected Engine ECU SHTS021270300566 Has DTC P05F1 been detected Replace the engine ECU...

Page 657: ...uise control function is not available Idling stop system is not available Vehicle start control is not available PTO is not available 5 Symptoms on the vehicle when the DTC is set Symptoms on the veh...

Page 658: ...7 Set the starter key to the ON position 8 Select Engine and check if P0605 has been detected NO YES 1 Inspect the engine ECU circuit HINO DX When communication with the engine ECU is interrupted whil...

Page 659: ...to normal condition 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS light ON Engine is stopped 5 Symptoms on the vehicle when the DTC is set Symptoms on the vehicle d...

Page 660: ...e ECU 7 Set the starter key to the ON position 8 Select Engine and check if P0606 has been detected NO YES 1 Inspect the engine ECU circuit HINO DX When communication with the engine ECU is interrupte...

Page 661: ...estricted Cruise control function is not available Idling stop system is not available Vehicle start control is not available PTO is not available 5 Symptoms on the vehicle when the DTC is set Symptom...

Page 662: ...e ECU 7 Set the starter key to the ON position 8 Select Engine and check if P0607 has been detected NO YES 1 Inspect the engine ECU circuit HINO DX When communication with the engine ECU is interrupte...

Page 663: ...receive VIN information from the vehicle control ECU 3 Reset condition After restoration to normal condition and starter key LOCK 4 Indication warning or system control regulation when the DTC is set...

Page 664: ...tion VIN written in the Vehicle control ECU at system fix 2 Compare the data with the vehicle s VIN LABEL and check if the vehicle information VIN that has been written to the Vehicle con trol ECU is...

Page 665: ...detected NO YES 3 Reprogram the vehicle control ECU HINO DX SHTS021270300573 Has DTC P0610 been detected Replace the vehicle control ECU Perform After inspection work of INFOR MATION section Procedur...

Page 666: ...warning or system control regulation when the DTC is set MIL ON SVS light OFF Engine output is restricted Cruise control function is not available Idling stop system is not available Vehicle start co...

Page 667: ...e ECU 7 Set the starter key to the ON position 8 Select Engine and check if P0611 has been detected NO YES 1 Inspect the engine ECU circuit HINO DX When communication with the engine ECU is interrupte...

Page 668: ...fter normal operation is restored and engine is restarted after engine stall 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light OFF 5 Symptoms on the vehicle when t...

Page 669: ...check harness terminals first with the starter key to the LOCK position and then with the starter key in the START position NO YES 1 Inspect the starter key connector Was any failure found Connect sec...

Page 670: ...S 3 Inspect for short circuit of the wire harness of the starter key Start signal A V12 SHTS021270300578 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal c...

Page 671: ...r key Start signal A 6 V12 6 SHTS021270300579 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness Neutral start switch vehi cle side connector...

Page 672: ...5 seconds or more The injectors and injector driver circuits have started running 2 Judgement criteria SCV suction control valve drive current remains less than 500 mA for 2 1 seconds 3 Reset conditio...

Page 673: ...r inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Harness disconnection or short circuit Looseness or poor contact of connector Supply pump...

Page 674: ...alve drive current remains less than 1 900 mA for 2 1 seconds 3 Reset condition After restoration to normal condition and starter key OFF 4 Indication warning or system control regulation when the DTC...

Page 675: ...r inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Harness disconnection or short circuit Looseness or poor contact of connector Supply pump...

Page 676: ...the suction control valve terminal and ground NO YES 1 Inspect the suction control valve SCV connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MA...

Page 677: ...connector terminals and ground NO YES 3 Inspect for short circuit in wire harness of suction control valve SCV SCV SHTS021270300583 Measurement conditions Tester connections Standard values Starter k...

Page 678: ...nal check harness terminals NO YES 4 Inspect for disconnection in wire harness of suction control valve C E9 E10 E30 E29 SHTS021270300584 Measurement conditions Tester connections Standard values Star...

Page 679: ...vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if the DTC P0628 or P0629 has been detected NO YES 5 Check the DTC detected Engine ECU SHTS021270300585 Has DTC P0...

Page 680: ...ion condition Starter key ON Battery voltage is in the range of 10 V to 16V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or more 2 Judgement criteria 3 Reset co...

Page 681: ...ol fail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear...

Page 682: ...arter key to the ON position 2 Select Engine and check if P062F has been detected NO YES 1 Check the DTC detected 1 Engine ECU SHTS021270300587 Has a DTC other than P062F been detected Go to the diagn...

Page 683: ...d check if P062F has been detected HINT Set the starter key LOCK and ON verifies the wiping operation of the VNT actuator DC motor NO YES 3 Check operation of VNT controller HINO DX SHTS021270300589 M...

Page 684: ...icle information was upgraded Vehicle information is not valid did not use a code 3 Reset condition After restoration to normal condition and starter key LOCK 4 Indication warning or system control re...

Page 685: ...ENGINE J05E TROUBLESHOOTING 2 649 8 Estimated failure factors Vehicle control ECU failure Engine ECU failure Vehicle power supply failure noise CAN circuit failure noise...

Page 686: ...le control ECU at system fix 2 Compare the data with the vehicle s VIN LABEL and check if the vehicle information VIN that has been written to the Vehicle con trol ECU is correct NO YES 1 Check the DT...

Page 687: ...n 4 Select Engine and check if P0630 has been detected NO YES 3 Check the vehicle control ECU HINO DX Was the vehicle control ECU used in another vehicle Replace the vehicle control ECU Perform After...

Page 688: ...converter input sensor has a power supply voltage no greater than 3 5 V for at least 3 seconds 3 Reset condition Immediately after normal operation is restored 4 Indication warning or system control r...

Page 689: ...n the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8...

Page 690: ...K position 2 Disconnect the accelerator sensor 2 connector 3 Set the starter key to the ON position 4 Select Engine and check if P0642 has been detected NO YES 1 Check the DTC detected 1 Engine ECU SH...

Page 691: ...position sensor 1 2 connector 3 Set the starter key to the ON position 4 Select Engine and check if P0642 has been detected NO YES 3 Check the DTC detected 3 Engine ECU SHTS021270300597 Has DTC P0642...

Page 692: ...tion sen sor connector 3 Set the starter key to the ON position 4 Select Engine and check if P0642 has been detected NO YES 5 Check the DTC detected 5 Engine ECU SHTS021270300599 Has DTC P0642 been de...

Page 693: ...signal check harness NO YES 6 Check the wire harness of the sensor power supply C B D E53 E56 V51 E33 SHTS021270300600 Measurement conditions Tester connections Standard values Starter key LOCK Engine...

Page 694: ...or has a power supply voltage no greater than 4 5 V for at least 3 seconds 3 Reset condition Immediately after normal operation is restored 4 Indication warning or system control regulation when the D...

Page 695: ...hicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimate...

Page 696: ...tage between the termi nals of the common rail pressure sensor 1 connector NO YES 1 Check the power supply of common rail pressure sensor 1 E VC SHTS021270300602 Measurement conditions Tester connecti...

Page 697: ...etween the termi nals of the accelerator sensor 2 connector NO YES 2 Check the power supply of accelerator sensor 2 E2 VCP2 SHTS021270300603 Measurement conditions Tester connections Standard values S...

Page 698: ...e between the termi nals of the boost pressure sensor connector NO YES 3 Check the power supply of boost pressure sensor VC E SHTS021270300604 Measurement conditions Tester connections Standard values...

Page 699: ...mi nals of the intake throttle valve position sensor connector NO YES 4 Check the power supply of intake throttle valve position sensor VC E2 SHTS021270300605 Measurement conditions Tester connections...

Page 700: ...the engine speed sub sensor camshaft position sensor connector NO YES 5 Check the power supply of engine speed sub sensor camshaft position sensor VG G SHTS021270300606 Measurement conditions Tester...

Page 701: ...l check harness NO YES 6 Check the power supply of all sensors C B D E56 E53 E33 V51 SHTS021270300607 Measurement conditions Tester connections Standard values Starter key ON Engine ECU sig nal check...

Page 702: ...he engine ECU instructs glow discharge The conditions described below remain for 1 second or more The battery voltage is in the range of 10 to 16 V Starter is not actuated 2 Judgement criteria The con...

Page 703: ...n Vehicle is difficult to start 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 E...

Page 704: ...und NO YES 1 Inspect the fuse GCU M fusible link GLOW Was any failure found Replace or correctly connect the fuse and fusible link Perform After inspection work of INFOR MATION section Go to step 2 2...

Page 705: ...control unit power supply circuit GND BATT B SHTS021270300610 Measurement conditions Tester connections Standard values Starter key ON GCU vehicle side connector B GND BATT GND 10 16 V Do the measure...

Page 706: ...d the ground circuit of the glow control unit NO YES 5 Inspect the ground circuit voltage A B GND V80 V59 V39 V79 SHTS021270300612 Measurement conditions Tester connections Standard values Starter key...

Page 707: ...s 2 Judgement criteria The AC DC converter input sensor has a power supply voltage no greater than 3 5 V for at least 3 seconds 3 Reset condition Immediately after normal operation is restored 4 Indic...

Page 708: ...vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estima...

Page 709: ...ition 2 Disconnect the accelerator sensor 1 connector 3 Set the starter key to the ON position 4 Select Engine and check if P0652 has been detected NO YES 1 Check the DTC detected 1 Engine ECU SHTS021...

Page 710: ...erator sensor connector 3 Set the starter key to the ON position 4 Select Engine and check if P0652 has been detected NO YES 3 Check the DTC detected 3 Engine ECU SHTS021270300616 Has DTC P0652 been d...

Page 711: ...ressure sensor 3 Set the starter key to the ON position 4 Select Engine and check if P0652 has been detected NO YES 5 Check the DTC detected 5 Engine ECU SHTS021270300618 Has DTC P0652 been detected A...

Page 712: ...signal check harness NO YES 6 Inspect the wire harness of the sensor power supply C B D E56 E13 V71 V50 SHTS021270300619 Measurement conditions Tester connections Standard values Starter key LOCK Eng...

Page 713: ...t criteria The AC DC converter input sensor has a power supply voltage no greater than 3 5 V for at least 3 seconds 3 Reset condition Immediately after normal operation is restored 4 Indication warnin...

Page 714: ...ymptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test...

Page 715: ...ween the termi nals of the common rail pressure sensor 2 vehicle side connector NO YES 1 Inspect the power supply of common rail pressure sensor 2 E1 VC1 SHTS021270300621 Measurement conditions Tester...

Page 716: ...re sensor terminals NO YES 2 Inspect the power supply of accelerator sensor 1 E1 VCP1 SHTS021270300622 Measurement conditions Tester connections Standard values Starter key ON Accelerator sen sor 1 ve...

Page 717: ...termi nals of the PTO accelerator sensor vehicle side connector NO YES 4 Inspect the power supply of the PTO accelerator sensor GND VCC SHTS021270300624 Measurement conditions Tester connections Stand...

Page 718: ...he after treatment fuel injection line pressure sensor NO YES 5 Inspect the power supply of aftertreatment fuel injection line pressure sensor VC E2 SHTS021270300625 Measurement conditions Tester conn...

Page 719: ...check harness NO YES 6 Inspect the power supply of all sensors C B D E56 E13 V71 V50 SHTS021270300626 Measurement conditions Tester connections Standard values Starter key ON Engine ECU sig nal check...

Page 720: ...described below remain for 1 second or more The battery voltage is in the range of 10 V to 16 V Starter is not actuated 2 Judgement criteria The condition that the glow plug operating current is less...

Page 721: ...s on the vehicle due to malfunction Vehicle is difficult to start 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no...

Page 722: ...uated 2 Judgement criteria The condition that the glow plug operating current is less than the range of 0 5 to 0 9 A remains for 0 3 sec onds or more or the condition that the glow plug operating curr...

Page 723: ...k that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Harness disconnection or short ci...

Page 724: ...nnect the fusible link correctly or replace it Perform After inspection work of INFOR MATION section Go to step 2 2 Inspect the power supply wire harness of the glow control unit GCU B GND SHTS0212703...

Page 725: ...has been detected NO YES 3 Inspect the wire harness of the glow plug GL1 GL2 GLW1 GLW2 SHTS021270300630 Measurement conditions Tester connections Standard values Starter key LOCK GCU vehicle side conn...

Page 726: ...described below remain for 1 second or more The battery voltage is in the range of 10 to 16 V Starter is not actuated 2 Judgement criteria The condition that the glow plug operating current is less t...

Page 727: ...s on the vehicle due to malfunction Vehicle is difficult to start 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no...

Page 728: ...uated 2 Judgement criteria The condition that the glow plug operating current is less than the range of 0 5 to 0 9 A remains for 0 3 sec onds or more or the condition that the glow plug operating curr...

Page 729: ...k that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Harness disconnection or short ci...

Page 730: ...nnect the fusible link correctly or replace it Perform After inspection work of INFOR MATION section Go to step 2 2 Inspect the power supply wire harness of the glow control unit GCU B GND SHTS0212703...

Page 731: ...has been detected NO YES 3 Inspect the wire harness of the glow plug GL3 GL4 GLW3 GLW4 SHTS021270300635 Measurement conditions Tester connections Standard values Starter key LOCK GCU vehicle side conn...

Page 732: ...ion 1 DTC detection condition Starter key ON The engine ECU instructs glow discharge The conditions described below remain for 1 second or more The battery voltage is in the range of 10 to 16 V Starte...

Page 733: ...on Vehicle is hard to start 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estim...

Page 734: ...and ground NO YES 1 Inspect the fuse and fusible link Was any failure found Connect the fuse and fusible link properly or replace Perform After inspection work of INFOR MATION section Go to step 2 2...

Page 735: ...e connector NO YES 3 Inspect the GCU power supply circuit GND BATT B SHTS021270300639 Measurement conditions Tester connections Standard values Starter key ON GCU vehicle side connector termi nal GND...

Page 736: ...de connector terminals and engine ECU signal check harness terminals NO YES 4 Inspect the harness of the GCU A V15 V35 DI Sl SHTS021270300640 Measurement conditions Tester connections Standard values...

Page 737: ...e ECU and the glow control unit NO YES 5 Check the ground circuit voltage A B GND V80 V59 V39 V79 SHTS021270300641 Measurement conditions Tester connections Standard values Starter key ON Engine ECU s...

Page 738: ...ction condition Battery voltage is in the range of 10 V to 16 V 2 Judgement criteria With the main relay in OFF position 8 V or higher power supply voltage remains for 60 seconds 3 Reset condition Aft...

Page 739: ...he vehicle due to malfunction Battery is depleted 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored af...

Page 740: ...sistance between the terminals of the main relay NO YES 1 Inspect the main EDU relay Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to...

Page 741: ...lock B and ground NO YES 3 Inspect the main relay power supply circuit B B2 B B2 EDU RELAY SHTS021270300644 Measurement conditions Tester connections Standard values Starter key ON Main relay vehicle...

Page 742: ...voltage between the engine ECU signal check harness terminals and ground NO YES 4 Inspect the main relay power supply V3 V23 SHTS021270300645 Measurement conditions Tester connections Standard values...

Page 743: ...w sensor power supply circuit remains at 5 6 V or lower for 1 sec 3 Reset condition Normal operation instantly restored once values deviate from judgment criteria 4 Indication warning or system contro...

Page 744: ...ENGINE J05E TROUBLESHOOTING 2 708 8 Estimated failure factors Harness disconnection or short circuit Air flow sensor failure Engine ECU failure...

Page 745: ...er supply circuit 20 V for 1 second 3 Reset condition Normal operation instantly restored once values deviate from judgment criteria 4 Indication warning or system control regulation when the DTC is s...

Page 746: ...ENGINE J05E TROUBLESHOOTING 2 710 8 Estimated failure factors Harness disconnection or short circuit Air flow sensor failure Engine ECU failure...

Page 747: ...P0653 have been detected NO YES 1 Check the connection of the air flow sensor connector looseness and poor contact NO YES 1 Check the DTC detected Engine ECU SHTS021270300648 Has a DTC other than P06...

Page 748: ...of engine ECU signal check harness and ground NO YES 3 Inspect the air flow sensor Was any failure found Clean the sensing unit and install it properly If damaged replace the air flow sensor Perform A...

Page 749: ...nnection in wire harness or air flow sensor C D E12 E78 E74 FC E2G B SHTS021270300650 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU the signal check har ness Ai...

Page 750: ...s NO YES 6 Inspect the air flow sensor power supply B E2G SHTS021270300651 Measurement conditions Tester connections Standard values Starter key ON Air flow sensor vehicle side con nector terminals B...

Page 751: ...ON position 3 Select Engine and check if the DTC P06D3 or P06D4 has been detected NO YES 8 Check the DTC detected Engine ECU SHTS021270300653 Has DTC P06D3 or P06D4 been detected Replace the engine EC...

Page 752: ...s an abnormality in the HV front clutch information provided by the vehicle control ECU remains for 5 seconds or more The condition that the neutral switch is positioned at the neutral position even t...

Page 753: ...st DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Neutral switch failure stuck ON or faulty contact Harness disconnection or short circuit Harness connector faulty conta...

Page 754: ...in N range and when it is in other ranges besides N range NO YES 1 Check the DTC detected Engine ECU SHTS021270300655 Has a DTC other than P073D been detected Go to the diagnostic procedure of a relat...

Page 755: ...eck harness and ground NO YES 3 Check the neutral switch signal A V11 SHTS021270300657 Measurement conditions Tester connections Standard values Starter key ON Engine ECU sig nal check har ness NSW V1...

Page 756: ...or 5 seconds or longer 2 Judgement criteria Output of the starter cut relay remains at 10 V or less for 3 seconds or longer 3 Reset condition Just after restoration to normal condition 4 Indication wa...

Page 757: ...ENGINE J05E TROUBLESHOOTING 2 721 8 Estimated failure factors Harness disconnection or short circuit Looseness or poor contact of connector starter cut relay failure Engine ECU failure...

Page 758: ...ES 1 Check the connection of the starter cut relay connector looseness and poor contact NO YES 1 Check the DTC detected Engine ECU SHTS021270300659 Has DTC P081A been detected Go to step 2 Replace the...

Page 759: ...CR V2 terminals of the engine ECU signal check harness and ground NO YES 3 Inspect for short circuit in wire harness of starter cut relay signal circuit A V2 SHTS021270300660 Measurement conditions Te...

Page 760: ...s Starter key ON Engine ECU sig nal check har ness Starter cut relay vehicle side con nector terminals STCR V2 1 Less than 1 Do the measurements meet the standard value Go to step 5 Repair or replace...

Page 761: ...Engine and check if P081A has been detected NO YES 6 Check the DTC detected Engine ECU SHTS021270300663 Has DTC P081A been detected Replace the engine ECU Perform After inspection work of INFOR MATIO...

Page 762: ...the starter block relay remains at 10 V or more for 3 seconds or longer 3 Reset condition After restoration to normal condition 4 Indication warning or system control regulation when the DTC is set M...

Page 763: ...ENGINE J05E TROUBLESHOOTING 2 727 8 Estimated failure factors Harness disconnection or short circuit Looseness or poor contact of connector starter block relay failure Engine ECU failure...

Page 764: ...ngine ECU signal check harness NO YES 1 Inspect the starter block relay connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to st...

Page 765: ...Engine and check if P081B has been detected NO YES 3 Check the DTC detected Engine ECU SHTS021270300666 Has DTC P081B been detected Replace the engine ECU Perform After inspection work of INFOR MATIO...

Page 766: ...t condition Immediately after normal status is resumed 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS light OFF 5 Symptoms on the vehicle when the DTC is set Symptom...

Page 767: ...tic system HINO DX to the vehicle 3 Set the starter key to the ON position 4 On the screen of the diagnostic system select Engine and read the detected DTC NO YES 1 Check the DTC detected HINO DX SHTS...

Page 768: ...ition Immediately after normal status is resumed 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS light OFF 5 Symptoms on the vehicle when the DTC is set Symptoms on t...

Page 769: ...tic system HINO DX to the vehicle 3 Set the starter key to the ON position 4 On the screen of the diagnostic system select Engine and read the detected DTC NO YES 1 Check the DTC detected HINO DX SHTS...

Page 770: ...ondition Immediately after normal status is resumed 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS light OFF 5 Symptoms on the vehicle when the DTC is set Symptoms o...

Page 771: ...tic system HINO DX to the vehicle 3 Set the starter key to the ON position 4 On the screen of the diagnostic system select Engine and read the detected DTC NO YES 1 Check the DTC detected HINO DX SHTS...

Page 772: ...et condition After normal operation is restored and accelerator opening is fully closed 4 Indication warning or system control regulation when the DTC is set MIL OFF SVS light OFF Body mounting contro...

Page 773: ...age or clogging in the sensing unit of the PTO accelerator sensor NO YES 1 Inspect the PTO accelerator sensor connector Was any failure found Connect securely repair if needed Perform After inspection...

Page 774: ...terminals of the PTO accelerator sensor NO YES 3 Inspect the PTO accelerator sensor unit VCC SIG GND SIG SHTS021270300671 Measurement conditions Tester connections Standard values Starter key LOCK PTO...

Page 775: ...check harness and ground NO YES 4 Inspect for short circuit of the PTO accelerator sensor harness B B V71 V68 V45 SHTS021270300672 Measurement conditions Tester connections Standard values Starter key...

Page 776: ...YES 5 Inspect disconnection of the PTO accelerator sensor harness B B V45 V68 V71 V68 SHTS021270300673 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal che...

Page 777: ...osition 3 Select Engine and check if P1133 has been detected NO YES 6 Check the DTC detected Engine ECU SHTS021270300674 Has DTC P1133 been detected Replace the engine ECU Perform After inspection wor...

Page 778: ...ting the common rail pressure sensor power main from the common rail pressure sensor power sub continues to be more than 1 06 V for 3 seconds or more or the difference obtained by subtracting the comm...

Page 779: ...oltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Sensor disconnected from measuring site Harness disco...

Page 780: ...n detected NO YES 1 Check the connection of the common rail pressure sensor connec tor looseness and poor contact NO YES 1 Check the DTC detected 1 Engine ECU SHTS021270300676 Has a DTC P0192 P0193 P0...

Page 781: ...termi nals of the engine ECU signal check harness NO YES 3 Inspect the sensor power supply C D E13 E33 E49 E56 E68 E64 E76 E65 SHTS021270300677 Measurement conditions Tester connections Standard valu...

Page 782: ...U signal check harness NO YES 4 Inspect the signal of the common rail pressure sensor D E49 E68 E65 E64 SHTS021270300678 Measurement conditions Tester connections Standard values Starter key ON Engine...

Page 783: ...the starter key to the ON position 3 Select Engine and check if P119F has been detected NO YES 5 Check the DTC detected 2 Engine ECU SHTS021270300679 Has DTC P119F been detected Replace the engine EC...

Page 784: ...tion 1 DTC detection condition Elapse of at least 2 seconds after engine stop 2 Judgement criteria Differential pressure remains less than 2 kPa or higher than 2 kPa for 2 seconds 3 Reset condition Im...

Page 785: ...ge 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure factors Loose disconnected sensor and failure in sensing area contamination or clogging...

Page 786: ...sensor NO YES 1 Check the differential pressure hose and pipe Was any failure found Clean or replace the differential pressure hose and pipe Perform After inspection work of INFOR MATION section Go t...

Page 787: ...rminals of the differential pressure sensor NO YES 4 Inspect the differential pressure sensor unit E2 VC E2 PEX SHTS021270300681 Measurement conditions Tester connections Standard values Starter key L...

Page 788: ...nals of the engine ECU signal check harness and ground NO YES 5 Inspect for short circuit of the differential pressure sensor harness B V70 V71 V46 SHTS021270300682 Measurement conditions Tester conne...

Page 789: ...NO YES 6 Inspect disconnection of the differential pressure sensor harness B B V70 V71 V70 V46 SHTS021270300683 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU si...

Page 790: ...3 Connect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if P1426 has been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300684 Has DTC P142...

Page 791: ...tial pressure sensor failure harness disconnection or GND short circuit 2 DTC set condition 1 DTC detection condition Starter key ON Battery voltage is in the range of 10 V to 16 V 2 Judgement criteri...

Page 792: ...alfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure fact...

Page 793: ...g in the sensing unit of the differential pressure sensor NO YES 1 Inspect the differential pressure sensor connector Was any failure found Connect securely repair if needed Perform After inspection w...

Page 794: ...rminals of the differential pressure sensor NO YES 3 Inspect the differential pressure sensor unit E2 VC E2 PEX SHTS021270300686 Measurement conditions Tester connections Standard values Starter key L...

Page 795: ...ground NO YES 4 Inspect the power supply of the sensor VC E2 SHTS021270300687 Measurement conditions Tester connections Standard values Starter key ON Differential pres sure sensor vehi cle side conne...

Page 796: ...NO YES 6 Inspect disconnection of the differential pressure sensor harness B B V70 V71 V70 V46 SHTS021270300689 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU si...

Page 797: ...3 Connect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if P1427 have been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300690 Has DTC P14...

Page 798: ...PR differential pressure sensor failure or harness B short 2 DTC set condition 1 DTC detection condition Starter key ON Battery voltage is in the range of 10 V to 16 V 2 Judgement criteria Output of t...

Page 799: ...alfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is stored after test drive 8 Estimated failure fact...

Page 800: ...g in the sensing unit of the differential pressure sensor NO YES 1 Inspect the differential pressure sensor connector Was any failure found Connect securely repair if needed Perform After inspection w...

Page 801: ...of the differential pressure sensor vehicle side connector NO YES 3 Inspect the sensor power supply VC E2 PEX E2 SHTS021270300692 Measurement conditions Tester connections Standard values Starter key...

Page 802: ...f the differential pressure sensor NO YES 4 Inspect the differential pressure sensor unit PEX VC E2 PEX SHTS021270300693 Measurement conditions Tester connections Standard values Starter key LOCK Diff...

Page 803: ...nals of the engine ECU signal check harness and ground NO YES 5 Inspect for short circuit of the differential pressure sensor harness B V70 V71 V46 SHTS021270300694 Measurement conditions Tester conne...

Page 804: ...NO YES 6 Inspect disconnection of the differential pressure sensor harness B B V70 V71 V70 V46 SHTS021270300695 Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU si...

Page 805: ...3 Connect the vehicle to HINO DX 4 Set the starter key to the ON position 5 Select Engine and check if P1428 has been detected NO YES 7 Check the DTC detected Engine ECU SHTS021270300696 Has DTC P142...

Page 806: ...tion EGR actuator system is malfunctioning 2 DTC set condition 1 DTC detection condition Battery voltage is in the range of 8 V to 16 V There is no disconnection in harness connected to EGR valve Star...

Page 807: ...heck that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors Abnormal engine room interio...

Page 808: ...y for soot accu mulation and damage due to foreign substances 2 Check if there is soot obstructing the exhaust gas passageway inlet or outlet NO YES 1 Check the DTC detected Engine ECU SHTS02127030069...

Page 809: ...O YES 3 Inspect the EGR valve connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to step 4 4 Inspect the EGR power supply B E SH...

Page 810: ...tion and Actual EGR position from 0 to 90 5 Select EGR opening DOWN Inspect the response delay at each step of the Target EGR position and Actual EGR position from 90 to 0 HINT The EGR opening positio...

Page 811: ...tor system is malfunctioning 2 DTC set condition 1 DTC detection condition Battery voltage is in the range of 10 V to 16 V The engine stopped or the engine speed remains at 500 r min or more for 5 sec...

Page 812: ...heck that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Estimated failure factors Abnormal engine room interio...

Page 813: ...y for soot accu mulation and damage due to foreign substances 2 Check if there is soot obstructing the exhaust gas passageway inlet or outlet NO YES 1 Check the DTC detected Engine ECU SHTS02127030070...

Page 814: ...YES 3 Inspect the EGR valve connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to step 4 4 Check the EGR valve power supply B E...

Page 815: ...tion and Actual EGR position from 0 to 90 5 Select EGR opening DOWN Inspect the response delay at each step of the Target EGR position and Actual EGR position from 90 to 0 HINT The EGR opening positio...

Page 816: ...ystem is malfunctioning 2 DTC set condition 1 DTC detection condition Starter key ON Battery voltage is in the range of 10 V to 16 V The engine is stopped or the engine speed remains at 500 r min or m...

Page 817: ...ail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all...

Page 818: ...4B0 have been detected NO YES 1 Check the connection of the EGR valve connector looseness and poor contact NO YES 1 Check the DTC detected 1 Engine ECU SHTS021270300706 Has a DTC other than P14B0 been...

Page 819: ...E SHTS021270300707 Measurement conditions Tester connections Standard values Starter key ON EGR valve vehicle side connector B E 10 16 V Do the measurements meet the standard value Replace the EGR va...

Page 820: ...alfunctioning 2 DTC set condition 1 DTC detection condition Starter key ON The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min or more for...

Page 821: ...vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detected after test drive 8 Esti...

Page 822: ...14B2 has been detected NO YES 1 Check the connection of the EGR valve connector looseness and poor contact NO YES 1 Check the DTC detected 1 Engine ECU SHTS021270300710 Has a DTC other than P14B2 been...

Page 823: ...E SHTS021270300711 Measurement conditions Tester connections Standard values Starter key ON EGR valve vehicle side connector B E 10 16 V Do the measurements meet the standard value Replace the EGR va...

Page 824: ...Failure message is received from EGR controller 2 DTC set condition 1 DTC detection condition Starter key ON The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine spee...

Page 825: ...is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is...

Page 826: ...ved from EGR controller 2 DTC set condition 1 DTC detection condition Starter key ON The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min or...

Page 827: ...sufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is detec...

Page 828: ...B3 or P14B4 has been detected NO YES 1 Check the connection of the EGR valve connector looseness and poor contact NO YES 1 Check the DTC detected 1 Engine ECU SHTS021270300715 Has a DTC other than DTC...

Page 829: ...power supply B E SHTS021270300716 Measurement conditions Tester connections Standard values Starter key ON EGR valve vehicle side connector B E 10 16 V Do the measurements meet the standard value Rep...

Page 830: ...system is malfunctioning 2 DTC set condition 1 DTC detection condition Starter key ON The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min o...

Page 831: ...ail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all...

Page 832: ...g 2 DTC set condition 1 DTC detection condition Starter key ON The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds or...

Page 833: ...ail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all...

Page 834: ...or P14B8 has been detected NO YES 1 Check the connection of the EGR valve connector looseness and poor contact NO YES 1 Check the DTC detected 1 Engine ECU SHTS021270300720 Has a DTC other than DTC P...

Page 835: ...y B E SHTS021270300721 Measurement conditions Tester connections Standard values Starter key ON EGR valve vehicle side connector B E 10 16 V Do the measurements meet the standard value Replace the EGR...

Page 836: ...m EGR actuator unit Description of malfunction EGR actuator system is malfunctioning 2 DTC set condition 1 DTC detection condition Starter key ON The battery voltage is in the range of 10 to 16 V The...

Page 837: ...DTC is set Symptoms on the vehicle due to backup control fail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery volta...

Page 838: ...ing 2 DTC set condition 1 DTC detection condition Starter key ON The battery voltage is in the range of 10 to 16 V The engine is stopped or the engine speed remains at 500 r min or more for 5 seconds...

Page 839: ...ail safe function Engine output is insufficient Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all...

Page 840: ...or P14BD has been detected NO YES 1 Check the connection of the EGR valve connector looseness and poor contact NO YES 1 Check the DTC detected 1 Engine ECU SHTS021270300725 Has a DTC other than DTC P...

Page 841: ...ly B E SHTS021270300726 Measurement conditions Tester connections Standard values Starter key ON EGR valve vehicle side connector B E 10 16 V Do the measurements meet the standard value Replace the EG...

Page 842: ...s received from EGR controller 2 DTC set condition 1 DTC detection condition Starter key ON The temperature sensor in the actuator 1 FET side is in the range of 20 to 170 C 4 to 338 F The battery volt...

Page 843: ...C is detected after test drive 8 Estimated failure factors Damaged element inside EGR valve actuator Soot adhesion to EGR valve sealing face and gas passageway and motor abnormal heat rise due to dama...

Page 844: ...gas passageway for soot buildup or damage due to foreign substances 2 Check if there is soot obstructing the exhaust gas passageway inlet or outlet NO YES 1 Check the DTC detected Engine ECU SHTS0212...

Page 845: ...ES 3 Inspect the EGR valve connector Was any failure found Connect securely repair if needed Perform After inspection work of INFOR MATION section Go to step 4 4 Inspect the EGR valve power supply B E...

Page 846: ...ition and Actual EGR position from 0 to 90 5 Select EGR opening DOWN Inspect the response delay at each step of the Target EGR position and Actual EGR position from 90 to 0 HINT The EGR opening positi...

Page 847: ...speed remains at 500 r min or more for 5 seconds or more The conditions described below remain for 40 seconds or more The engine speed is 1500 r min or more Fuel injection quantity is 40 mm3 st cyl o...

Page 848: ...toration to normal condition 4 Indication warning or system control regulation when the DTC is set MIL ON SVS light OFF 5 Symptoms on the vehicle when the DTC is set Symptoms on the vehicle due to bac...

Page 849: ...ogging in the air cleaner ele ment NO YES 1 Check the DTC detected Engine ECU SHTS021270300733 Has a DTC other than P1515 for example P0096 P0101 P0106 P011C P2227 P2457 been detected Go to diagnosis...

Page 850: ...YES 4 Inspect the radiator fan Was any failure found Replace the radiator fan Perform After inspection work of INFOR MATION section Go to step 5 5 Inspect the fan clutch Was any failure found Replace...

Page 851: ...damaged NO YES 7 Inspect the intercooler tube Was any failure found Replace the intercooler tube Perform After inspection work of INFOR MATION section Go to step 8 8 Inspect the radiator Was any failu...

Page 852: ...on warning or system control regulation when the DTC is set MIL OFF SVS light OFF Engine stop switch is not available 5 Symptoms on the vehicle when the DTC is set Symptoms on the vehicle due to backu...

Page 853: ...form a unit test of the engine stop switch NO YES 1 Inspect the engine stop switch Was any failure found Install the engine stop switch correctly Perform After inspection work of INFOR MATION section...

Page 854: ...rminals of the engine ECU signal check harness and E04 V80 NO YES 4 Inspect for power supply short circuit in the wire harness of the engine stop switch A B V80 V32 SHTS021270300735 Measurement condit...

Page 855: ...or NO YES 5 Inspect for disconnection in the wire harness of the engine stop switch Measurement conditions Tester connections Standard values Starter key LOCK Engine ECU sig nal check har ness ESTP V3...

Page 856: ...injec tor manufacturing process Description of malfunction Faulty injector correction value is detected 2 DTC set condition 1 DTC detection condition Calibration data QR codes are not written Calibra...

Page 857: ...fe function Symptoms on the vehicle due to malfunction 6 Pre inspection work Check that the battery voltage is in the normal range 7 After inspection work Clear all past DTCs Check that no DTC is dete...

Page 858: ...k again DTC code Check that DTC code P1601 is not displayed NO YES 1 Check the injector replaced record Has the injector been replaced in the past Replacement history exists or is unclear Go to step 3...

Page 859: ...e the DTC memory and check again DTC code Check that DTC code P1601 is not displayed NO YES 3 Check the QR CODE 2 HINO DX SHTS021270300738 Has DTC P1601 been detected Replace the engine ECU Perform Af...

Page 860: ...Hino Motors Sales U S A Inc PRINTED IN JAPAN Pub No S7 LXJE05A 1 5 13 11 41180 Bridge Street Novi MI 48375 Telephone 248 699 9300...

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Hino Motors HINO 155 series, Workshop Manual

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Summary of Contents for HINO 155 series

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