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Mercedes-Benz Sprinter 2003, Manual

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HOOD AJAR SWITCH - BLACK

CAV

CIRCUIT

FUNCTION

1

16BK/BL

HOOD AJAR SWITCH SENSE

3

16BR

GROUND

INSTRUMENT CLUSTER C1

CAV

CIRCUIT

FUNCTION

1

20BR

FUEL LEVEL SENSOR SIGNAL RETURN

2

20BR/DG

AMBIENT TEMPERATURE SENSOR SIGNAL RETURN

4

20WT/GY

K-IC/ATC/HBM/CHM

5

20BR/BK

BRAKE INDICATOR SIGNAL

7

20BK/DG

RIGHT TURN SIGNAL

10

20BL/BK

FUEL LEVEL SENSOR SIGNAL (+)

11

20BL/DG

AMBIENT TEMPERATURE SENSOR SIGNAL (+)

14

20DG/WT/BL

ENGINE COOLANT LEVEL SWITCH SIGNAL

15

20BR/WT

FRONT COURTESY LAMPS CONTROL

16

20YL/RD

SEAT BELT SWITCH SIGNAL

17

20DG

CAN C BUS (-)

18

20DG/WT

CAN C BUS (+)

INSTRUMENT CLUSTER C2 - WHITE

CAV

CIRCUIT

FUNCTION

3

20RD/YL

FUSED B(+)

4

20BR/WT

BRAKE WEAR SENSOR SIGNAL

6

18BR

GROUND

7

20GY/DG/RD

LAMP DRIVER

8

20BL/WT

FUSED HIGH BEAM SWITCH OUTPUT

9

20BL/RD/WT

VEHICLE SPEED SENSOR OUTPUT

10

20BK

FUSED IGNITION SWITCH OUTPUT (RUN-START)

11

20BL/BK

KEY-IN IGNITION SWITCH SIGNAL

13

20BK/WT

LEFT TURN SIGNAL

15

20BL

TERMINAL 61

16

20YL

AIRBAG WARNING INDICATOR DRIVER

18

20BL/VT

D(+) RELAY NO. 1 CONTROL

18

20BL/VT

IC 18-C2 TO ATCM 8-C1

C

O
N
N

E

C

T

O

R

P

I

N
O
U

T
S

262

CONNECTOR PINOUTS

Summary of Contents for Sprinter 2003

Page 1: ...CABIN HEATER MODULE CHM HEATER BOOSTER MODULE HBM 7 3 3 2 1 SYSTEM DESCRIPTION 7 3 3 2 2 VENTING THE HEATER S EXHAUST 8 3 3 2 3 SYSTEM DIAGNOSTICS 8 3 4 INSTRUMENT CLUSTER 9 3 5 POWER DOOR LOCKS RKE 9 3 5 1 CENTRAL LOCKING 9 3 5 2 REMOTE KEYLESS ENTRY RKE 9 3 5 3 AUTO DOOR LOCKS 10 3 5 4 ACCIDENT RESPONSE 10 3 6 VEHICLE THEFT SECURITY SYSTEM VTSS 10 3 7 USING THE DRBIIIT 11 3 8 DRBIIIT ERROR MESSA...

Page 2: ...OPEN 33 DRIVER SQUIB 1 CIRCUIT SHORT 36 DRIVER SQUIB 1 SHORT TO BATTERY 39 DRIVER SQUIB 1 SHORT TO GROUND 42 LOSS OF IGNITION RUN START 45 PASSENGER SEAT BELT TENSIONER CIRCUIT OPEN 47 PASSENGER SEAT BELT TENSIONER CIRCUIT SHORT 49 PASSENGER SEAT BELT TENSIONER SHORT TO BATTERY 51 PASSENGER SEAT BELT TENSIONER SHORT TO GROUND 54 PASSENGER SQUIB 1 CIRCUIT OPEN 56 PASSENGER SQUIB 1 CIRCUIT SHORT 59 ...

Page 3: ...L HIGH OR OPEN ACTIVE 126 A C COMPRESSOR CONTROL HIGH OR OPEN STORED 128 A C COMPRESSOR CONTROL SHORTED LOW STORED 128 AIR OUTLET TEMP SENSOR HIGH OR OPEN STORED 128 AIR OUTLET TEMP SENSOR SHORTED LOW STORED 128 AUX FAN RELAY CONTROL HIGH OR OPEN STORED 128 AUX FAN RELAY CONTROL SHORTED LOW STORED 128 BLOWER STAGE 1 HIGH OR OPEN STORED 128 BLOWER STAGE 1 SHORTED LOW STORED 128 CABIN HEATER CONTROL...

Page 4: ...RESS SENSOR SHORTED LOW ACTIVE 171 WATER CYCLE VALVE CONTROL HIGH OR OPEN ACTIVE 173 WATER CYCLE VALVE CONTROL SHORTED LOW ACTIVE 175 INSTRUMENT CLUSTER AMBIENT TEMP SENSOR OPEN SHORT TO BATTERY 177 AMBIENT TEMP SENSOR SHORT TO GROUND 179 FUEL LEVEL SENSOR OPEN SHORT TO BATTERY 180 FUEL LEVEL SENSOR SHORT TO GROUND 182 INSTRUMENT CLUSTER INTERNAL FAILURE B1043 183 INSTRUMENT CLUSTER INTERNAL FAILU...

Page 5: ...E SSM 231 SIREN CIRCUIT OPEN SHORTED TO GROUND 233 SIREN INTERNAL FAILURE 235 SIREN SIGNAL CONTROL CIRCUIT SHORT TO GROUND 236 VERIFICATION TESTS VERIFICATION TESTS 237 8 0 COMPONENT LOCATIONS 241 8 1 AIRBAG SYSTEM 241 8 2 AIRBAG CONTROL MODULE 241 8 3 DRIVER AIRBAG SQUIB 241 8 4 CLOCKSPRING 242 8 5 SEAT BELT TENSIONER 242 8 6 HEATING A C 242 8 6 1 AUTOMATIC TEMPERATURE CONTROL ATC SYSTEM COMPONEN...

Page 6: ...MBLY DRIVER C2 255 DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY LEFT SLIDING C1 255 DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY LEFT SLIDING C2 255 DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY PASSENGER C1 255 DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY PASSENGER C2 255 DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY REAR C1 256 DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY REAR C2 256 DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY RIGHT SLIDING C1 256 DOO...

Page 7: ...NG INTRUSION SENSOR ON OFF SWITCH 270 TRANSMISSION CONTROL MODULE C1 BLACK 270 TRANSMISSION CONTROL MODULE C2 BLACK 271 WATER CYCLE VALVE 271 WINDOW DEFOGGER LEFT REAR 271 WINDOW DEFOGGER RIGHT REAR 271 10 0 SCHEMATIC DIAGRAMS 273 10 1 AIRBAG SYSTEM 273 10 2 COMMUNICATION 274 10 2 1 COMMUNICATION K LINES 274 10 2 2 CAN BUS NETWORK 275 10 3 HEATING A C 276 10 3 1 AUTOMATIC TEMPERATURE CONTROL ATC 2...

Page 8: ...NOTES viii ...

Page 9: ... out the form in the back of this book and mail it back to us 1 1 SYSTEM COVERAGE This diagnostic procedures manual covers all Sprinter vehicles 1 2 SIX STEP TROUBLESHOOTING PROCEDURE Diagnosis of the body system is done in six basic steps verification of complaint verification of any related symptoms symptom analysis problem isolation repair of isolated problem verification of proper operation 2 ...

Page 10: ...tem test the ACM illuminates the Warning Indicator on for 4 0 second bulb test After the lamp check if the indicator turns off it means that the ACM has checked the system and found it to be free of discernible malfunctions NON CRITICAL DTCs If the lamp comes on and stays on for a period longer than 4 0 seconds about 10 0 seconds is usually a stored DTC intermittent problem in the system CRITICAL ...

Page 11: ...e proper electrical signal the passenger airbag inflator discharges the gas di rectly into the cushion The airbag module cannot be repaired and must be replaced if deployed or in any way damaged WARNING THE PASSENGER AIRBAG MODULE CONTAINS ARGON GAS PRESSURIZED TO 17236 89 Kpa 2500 PSI DO NOT ATTEMPT TO DISMANTLE AN AIRBAG MODULE OR TAMPER WITH ITS INFLATOR DO NOT PUNCTURE INCINERATE OR BRING INTO...

Page 12: ...ble code indicates an on going malfunction This means that the defect is currently there every time the airbag control mod ule checks that circuit or component Some DTCs Internal Module and squib DTCs will keep the indicator illuminated even if they are no longer active If the lamp is on and no active codes are present cycling the ignition switch off and then on will refresh the lamp state It is i...

Page 13: ...dule communication only and is no way connected to the K Lines The following modules that use the CAN Bus on this vehicle are Automatic Temperature Control ATC Controller Antilock Brake CAB Engine Control Module ECM Instrument Cluster IC Sentry Key Remote Entry Module SKREEM Shifter Assembly SA Transmission Control Module TCM 3 3 HEATING A C SYSTEM 3 3 1 AUTOMATIC TEMPERATURE CONTROL ATC 3 3 1 1 S...

Page 14: ... to 104 F An implausible tem perature value indicates that the Interior Temper ature Sensor is bad The repair in this case would be to replace the ATC Module since the sensor is integral to the module Evaporator Temperature The normal range for the Evaporator Temperature Sensor is from 14 F to 104 F A substitute value of 14 F with no updates indicates an Evaporator Tem perature Sensor circuit fail...

Page 15: ...TER S EXHAUST WHEN OPERATING THE HEATER REFER TO VENTING THE HEATER S EXHAUST BELOW FOR PROPER EXHAUST VENTING INSTRUCTIONS FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PERFORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALWAYS DISCONN...

Page 16: ...haust pipe 3 3 2 3 SYSTEM DIAGNOSTICS CAUTION Always Perform The Heater Pre Test In The Diagnostic Procedures Prior To Performing Any Other Test For The Test Result To Be Valid Fault detection is through stored Diagnostic Trouble Codes DTCs DTCs are displayed by the DRBIIIt The heater s control unit will store up to five DTCs in its memory If the control unit detects a new fault in the system one ...

Page 17: ...cluster uses yellow LED s and can be adjusted electronically to daylight and darkness The instrument cluster includes a warning buzzer which sounds in addition to a warning light in some cases when The headlights are on with the ignition off and the door opened The driver s seat belt is not fastened with the ignition on The key is in the ignition and the door is open Critical ASSYST information is...

Page 18: ...s it is possible that the DTC could be set and therefore the door locks would be inop erable Whenever the door locks are not opera tional use the DRBIII and check DTC s If the code 9ACM has unlocked the doors9 appears use the DRBIII and erase it 3 6 VEHICLE THEFT SECURITY SYSTEM VTSS The Security System Module SSM is located under the driver s seat The SSM communicates with the DRBIII over the K l...

Page 19: ...It may be the result or a faulty cable or vehicle wiring 3 10 DISPLAY IS NOT VISIBLE Low temperatures will affect the visibility of the display Adjust the contrast to compensate for this condition 4 0 DISCLAIMERS SAFETY WARNINGS 4 1 DISCLAIMERS All information illustrations and specifications contained in this manual are based on the latest information available at the time of publication The righ...

Page 20: ...equency Generated 0 10 kHz Temperature 58 1100 F 50 600 C Ohms cannot be measured if voltage is present Ohms can be measured only on a non powered circuit Voltage between any terminal and ground must not exceed 500v DC or 500v peak AC Use caution when measuring voltage above 25v DC or 25v AC Use the low current shunt to measure circuits up to 10A Use the high current clamp to measure circuits exce...

Page 21: ...BS antilock brake system ACM airbag control module ACT actuator AECM airbag electronic control module ACM ASDM airbag system diagnostic module ACM ATC automatic temperature control CAB controller antilock bake CAN controller area network CHM cabin heater module CPA connector positive assurance CTM central timer module DAB driver airbag DCHA diesel cabin heater assist cabin heater DLC data link con...

Page 22: ...NOTES 14 ...

Page 23: ...7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 15 ...

Page 24: ...BAG WARNING LAMP DRIVER CIRCUIT SHORTED TO BATTERY CLUSTER SRS INDICATOR SHORTED TO BATTERY CLUSTER SRS INDICATOR SHORTED TO BATTERY STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on Ensure the battery is fully charged NOTE For the purpose of this test the AECM and ORC modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM...

Page 25: ...ll Yes Go To 3 No Go To 4 3 Turn the ignition off Disconnect the Instrument Cluster connectors NOTE Check connectors Clean and repair as necessary Measure the voltage of the Airbag Warning Indicator Driver circuit at the ACM adaptor Is the voltage above 10 0 volts All Yes Repair the Airbag Warning Indicator Driver circuit for a short to voltage Perform AIRBAG VERIFICATION TEST VER 1 No Replace the...

Page 26: ... a possible intermittent problem Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor active codes as you work through the following steps WARNING TO AVOID PERSONAL INJURY OR DEATH MAINTAIN A SAFE DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING STEPS Wiggle the wiring...

Page 27: ...OR OPEN ACM AIRBAG WARNING LAMP DRIVER CIRCUIT OPEN OPEN AIRBAG WARNING INDICATOR DRIVER ACM WARNING INDICATOR CIRCUIT LOW AIRBAG WARNING INDICATOR DRIVER SHORT TO GROUND STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on Ensure the battery is fully charged NOTE For the purpose of this test the AECM and ORC modules will be referred to as an A...

Page 28: ...gnition on Does the SRS indicator illuminate All Yes Go To 4 No Replace the Instrument Cluster in accordance with Service In structions Perform AIRBAG VERIFICATION TEST VER 1 4 WARNING TO AVOID PERSONAL INJURY OR DEATH TURN IGNITION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING WARNING IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME IT MUST BE REPLACED FAILURE TO TAKE THE P...

Page 29: ... TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Using the wiring diagram schematic as a guide inspect the wiring and connectors Look for chaffed pierced pinched or partially broken wires and broken bent pushed out spread corroded or contaminated terminals The following additional checks may assist you in identifying a possibl...

Page 30: ...ts Set Condition This DTC will set if the module identifies an out of range internal circuit INTERNAL 2 When Monitored With the ignition on the module on board diagnostics continuously performs internal circuit tests Set Condition This DTC will set if the module identifies an out of range internal circuit INTERNAL 3 When Monitored With the ignition on the module on board diagnostics continuously p...

Page 31: ...ATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING WARNING TO AVOID PERSONAL INJURY OR DEATH IF THE MODULE IS DROPPED AT ANY TIME IT MUST BE REPLACED Select the appropriate module and DTC type combination All ACM ACTIVE DTC Replace the Airbag Control Module in accordance with Service Instructions Perform AIRBAG VERIFICATION TEST VER 1 ACM STORED DTC Replace t...

Page 32: ... will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go To 5 NOTE When reconnecting Airbag system components the ignition must be turned off and the battery must be disconnected 2 NOTE Ensure the battery is fully charged WARNING TO AVOID PERSONAL INJURY OR DEATH TURN IGNITION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING Disconnec...

Page 33: ...n Off switch read the DTC s in all switch positions If any ACTIVE codes are present they must be resolved before diagnosing any stored codes WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Using the wiring diagram schematic as a guide inspect the wiring and connectors Look for chaffed pierced pinched or partially broke...

Page 34: ...l be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go To 5 NOTE When reconnecting airbag system components the Ignition must be turned off and the Battery must be disconnected 2 WARNING TO AVOID PERSONAL INJURY OR DEATH TURN IGNITION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING Disconnect the Driver Seat Belt Tensioner connector NO...

Page 35: ...ed with Passenger Airbag On Off switch read the DTC s in all switch positions If any ACTIVE codes are present they must be resolved before diagnosing any stored codes WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Using the wiring diagram schematic as a guide inspect the wiring and connectors Look for chaffed pierced ...

Page 36: ...ll be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go To 5 NOTE When reconnecting airbag system components the Ignition must be turned off and the Battery must be disconnected 2 WARNING TO AVOID PERSONAL INJURY OR DEATH TURN IGNITION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING Disconnect the Driver Seat Belt Tensioner connector N...

Page 37: ... Line 2 circuits between the Driver SBT connector and ground Is there any voltage present All Yes Repair Driver Seat Belt Tensioner Line 1 or Line 2 circuit short to battery Perform AIRBAG VERIFICATION TEST VER 1 No Go To 4 4 WARNING IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME IT MUST BE REPLACED FAILURE TO TAKE THE PROPER PRE CAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND PERSO...

Page 38: ...possible intermittent problem Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor active codes as you work through the following steps WARNING TO AVOID PERSONAL INJURY OR DEATH MAINTAIN A SAFE DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING STEPS Wiggle the wiring ha...

Page 39: ...s will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go To 5 NOTE When reconnecting airbag system components the Ignition must be turned off and the Battery must be disconnected 2 WARNING TO AVOID PERSONAL INJURY OR DEATH TURN IGNITION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING Disconnect the Driver Seat Belt Tensioner connect...

Page 40: ... read the DTC s in all switch positions If any ACTIVE codes are present they must be resolved before diagnosing any stored codes WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Using the wiring diagram schematic as a guide inspect the wiring and connectors Look for chaffed pierced pinched or partially broken wires and ...

Page 41: ...KSPRING SQUIB 1 CIRCUIT OPEN DRIVER SQUIB 1 LINE 1 OR LINE 2 CIRCUITS OPEN ACM DRIVER SQUIB 1 CIRCUIT OPEN STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on NOTE Ensure the battery is fully charged NOTE For the purpose of this test the AECM and ORC modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 A...

Page 42: ...isconnect the Clockspring connector s NOTE Check connectors Clean and repair as necessary Connect the appropriate Load Tool to the Clockspring connector s WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt read the active Airbag Control Module DTC s Does the DRBIIIt show DRIVER SQUIB 1 CIRCUIT OPEN All Yes Go To 4 No Replace the Clockspring ...

Page 43: ...s Look for chaffed pierced pinched or partially broken wires and broken bent pushed out spread corroded or contaminated terminals The following additional checks may assist you in identifying a possible intermittent problem Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor ...

Page 44: ... SQUIB 1 CIRCUITS SHORT DRIVER AIRBAG SQUIB 1 LINE 1 SHORT TO LINE 2 ACM DRIVER SQUIB LINE 1 SHORT TO LINE 2 STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on NOTE Ensure the battery is fully charged NOTE For the purpose of this test the AECM and ORC modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2...

Page 45: ...rbag connector s Disconnect the Clockspring connector s NOTE Check connectors Clean and repair as necessary Connect the appropriate Load Tool to the Clockspring connector s WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt read the active Airbag Control Module DTC s Does the DRBIIIt show DRIVER SQUIB 1 CIRCUIT SHORT All Yes Go To 4 No Repla...

Page 46: ...s Look for chaffed pierced pinched or partially broken wires and broken bent pushed out spread corroded or contaminated terminals The following additional checks may assist you in identifying a possible intermittent problem Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor ...

Page 47: ...SQUIB 1 SHORT TO BATTERY DRIVER SQUIB 1 LINE 1 OR LINE 2 SHORT TO BATTERY ACM DRIVER SQUIB 1 SHORT TO BATTERY STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on NOTE Ensure the battery is fully charged NOTE For the purpose of this test the AECM and ORC modules will be referred to as an ACM SELECT ACTIVE or STORED ACM DTC All ACM ACTIVE DTC Go...

Page 48: ...IB 1 SHORT TO BATTERY All Yes Go To 3 No Replace the Driver Airbag in accordance with the Service Infor mation Perform AIRBAG VERIFICATION TEST VER 1 3 WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Disconnect the Load Tool from the Driver Airbag connector s Disconnect the Clockspring connector s NOTE Check connectors...

Page 49: ... ACTIVE codes are present they must be resolved before diagnosing any stored codes WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Using the wiring diagram schematic as a guide inspect the wiring and connectors Look for chaffed pierced pinched or partially broken wires and broken bent pushed out spread corroded or cont...

Page 50: ...DRIVER SQUIB 1 SHORT TO GROUND DRIVER SQUIB 1 LINE 1 OR LINE 2 SHORTED TO GROUND ACM DRIVER SQUIB 1 SHORT TO GROUND STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on NOTE Ensure the battery is fully charged NOTE For the purpose of this test the AECM and ORC modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC ...

Page 51: ...ag connector s Disconnect the Clockspring connector NOTE Check connectors Clean and repair as necessary Connect the appropriate Load Tool to the Clockspring connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt read the active Airbag Control Module DTC s Does the DRBIIIt show DRIVER SQUIB 1 SHORT TO GROUND All Yes Go To 4 No Replace t...

Page 52: ... Look for chaffed pierced pinched or partially broken wires and broken bent pushed out spread corroded or contaminated terminals The following additional checks may assist you in identifying a possible intermittent problem Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor a...

Page 53: ... is fully charged Turn the ignition on NOTE For the purpose of this test the AECM and ORC modules will be referred to as an ACM DETERMINE ACTIVE OR STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go To 3 NOTE When reconnecting Airbag system components the ignition must be turned off and the battery must be disconnected 2 WARNING TO AVOID PERSONAL INJURY OR DEATH TURN IGNITION OFF DISCONNECT T...

Page 54: ... Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor active codes as you work through the following steps WARNING TO AVOID PERSONAL INJURY OR DEATH MAINTAIN A SAFE DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING STEPS Wiggle the wiring harness and connectors of the r...

Page 55: ... AECM and ORC modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go To 5 NOTE When reconnecting Airbag system components the ignition must be turned off and the battery must be disconnected 2 WARNING TO AVOID PERSONAL INJURY OR DEATH TURN IGNITION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING Disconnect the Passenger Seat...

Page 56: ...rbag On Off switch read the DTC s in all switch positions If any ACTIVE codes are present they must be resolved before diagnosing any stored codes WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Using the wiring diagram schematic as a guide inspect the wiring and connectors Look for chaffed pierced pinched or partially...

Page 57: ...dules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go To 5 NOTE When reconnecting Airbag system components the ignition must be turned off and the battery must be disconnected 2 WARNING TO AVOID PERSONAL INJURY OR DEATH TURN IGNITION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING Disconnect the Passenger Seat Belt Tensioner ...

Page 58: ... the DTC s in all switch positions If any ACTIVE codes are present they must be resolved before diagnosing any stored codes WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Using the wiring diagram schematic as a guide inspect the wiring and connectors Look for chaffed pierced pinched or partially broken wires and broke...

Page 59: ...modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go To 5 NOTE When reconnecting Airbag system components the ignition must be turned off and the battery must be disconnected 2 WARNING TO AVOID PERSONAL INJURY OR DEATH TURN IGNITION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING Disconnect the Passenger Seat Belt Tensione...

Page 60: ...the Passenger SBT Line 1 and Line 2 circuits between the Passenger Seat Belt Tensioner connector and ground Is there any voltage on either circuit All Yes Repair the Passenger Seat Belt Tensioner Line 1 or Line 2 short to battery Perform AIRBAG VERIFICATION TEST VER 1 No Go To 4 4 WARNING IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME IT MUST BE REPLACED FAILURE TO TAKE THE PROPER PRE CAUTION...

Page 61: ...ssible intermittent problem Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor active codes as you work through the following steps WARNING TO AVOID PERSONAL INJURY OR DEATH MAINTAIN A SAFE DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING STEPS Wiggle the wiring harn...

Page 62: ...d ORC modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go To 5 NOTE When reconnecting Airbag system components the ignition must be turned off and the battery must be disconnected 2 WARNING TO AVOID PERSONAL INJURY OR DEATH TURN IGNITION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING Disconnect the Passenger Seat Belt Te...

Page 63: ...Off switch read the DTC s in all switch positions If any ACTIVE codes are present they must be resolved before diagnosing any stored codes WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Using the wiring diagram schematic as a guide inspect the wiring and connectors Look for chaffed pierced pinched or partially broken ...

Page 64: ...QUIB 1 CIRCUIT OPEN PAB SQUIB 1 LINE 1 OR LINE 2 CIRCUIT OPEN ACM PAB SQUIB 1 CIRCUIT OPEN STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on NOTE Ensure the battery is fully charged NOTE For the purpose of this test the AECM and ORC modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go...

Page 65: ...THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Disconnect the Load Tool from the Passenger Airbag connector s Disconnect the Airbag Control module connector s NOTE Check connectors Clean and repair as necessary Connect the Load Tool ACM Adaptor to the Airbag Control Module connector s Measure the resistance of the Passenger Squib 1 Line 1 and Line 2 circuit betwee...

Page 66: ...ing a possible intermittent problem Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor active codes as you work through the following steps WARNING TO AVOID PERSONAL INJURY OR DEATH MAINTAIN A SAFE DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING STEPS Wiggle the wir...

Page 67: ... 1 CIRCUIT SHORT PAB SQUIB 1 LINE 1 SHORT TO LINE 2 ACM PAB SQUIB 1 CIRCUIT SHORT STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on NOTE Ensure the battery is fully charged NOTE For the purpose of this test the AECM and ORC modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC Go To 5 NOT...

Page 68: ... INJURY OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Disconnect the Load Tool from the Passenger Airbag connector s Disconnect the Airbag Control Module connector s NOTE Check connectors Clean and repair as necessary Connect the appropriate Load Tool Adapter to the Airbag Control Module connec tor s Measure the resistance between Passenger Squib 1 ...

Page 69: ...ing a possible intermittent problem Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor active codes as you work through the following steps WARNING TO AVOID PERSONAL INJURY OR DEATH MAINTAIN A SAFE DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING STEPS Wiggle the wir...

Page 70: ...ATTERY PAB SQUIB 1 LINE 1 OR LINE 2 SHORT TO BATTERY ACM PAB SQUIB 1 CIRCUIT SHORT TO BATTERY STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on NOTE Ensure the battery is fully charged NOTE For the purpose of this test the AECM and ORC modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED DTC...

Page 71: ...DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Disconnect the Load Tool from the Passenger Airbag connector s Disconnect the Airbag Control Module connector s NOTE Check connectors Clean and repair as necessary Connect the appropriate Load Tool Adaptor to the Airbag Control Module connec tor s WARNING AVOID PERSONAL INJURY OR DEATH TURN IGNITION ON THEN RECONNECT THE BATTERY Measur...

Page 72: ...g a possible intermittent problem Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor active codes as you work through the following steps WARNING TO AVOID PERSONAL INJURY OR DEATH MAINTAIN A SAFE DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING STEPS Wiggle the wirin...

Page 73: ...TS SHORT TO GROUND PAB SQUIB 1 LINE 1 OR LINE 2 SHORT TO GROUND ACM PAB SQUIB 1 SHORT TO GROUND STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on NOTE Ensure the battery is fully charged NOTE For the purpose of this test the AECM and ORC modules will be referred to as an ACM SELECT ACTIVE or STORED DTC All ACM ACTIVE DTC Go To 2 ACM STORED D...

Page 74: ...Y OR DEATH TURN THE IGNI TION OFF DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE FORE PROCEEDING Disconnect the Load Tool from the Passenger Airbag connector s Disconnect the Airbag Control Module connector s NOTE Check connectors Clean repair as necessary Connect the appropriate Load Tool Adaptor to the Airbag Control Module connector Measure the resistance of the Passenger Squib 1 Line 1 or Line...

Page 75: ...ng a possible intermittent problem Reconnect any disconnected components and harness connector WARNING TO AVOID PERSONAL INJURY OR DEATH TURN THE IGNI TION ON THEN RECONNECT THE BATTERY With the DRBIIIt monitor active codes as you work through the following steps WARNING TO AVOID PERSONAL INJURY OR DEATH MAINTAIN A SAFE DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING STEPS Wiggle the wiri...

Page 76: ...TY 1 Erase all DTCs Cycle the ignition switch OFF then to ON With the DRBIIIt read the active and stored DTCs Are all DTC8s erased All Yes With the DRBIIIt perform Airbag Control Module initialization to configure the ACM for this vehicle Perform AIRBAG VERIFICATION TEST VER 1 No Select appropriate symptom from Symptom List 68 AIRBAG ...

Page 77: ...t ventilation system do not attach the exhaust ventilation hose directly to the heater s exhaust pipe Too much suction can prevent heater operation When using a powered exhaust ventilation system affix the ventilation hose to the heater s exhaust pipe or to the vehicle in such a manor that the end of the ventilation hose remains approximately three inches away from the end of the exhaust pipe When...

Page 78: ...abin Heater or Heater Booster is switched off Set the blend control to the max heat position and the mode control to the floor position With the DRBIIIt record and erase the Cabin Heater or Heater Booster Module s DTCs Start the engine Allow the engine to idle With the DRBIIIt monitor for Cabin Heater Module or Heater Booster Module DTCs while performing the following step NOTE Do not disconnect t...

Page 79: ...SE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH Turn the ignition on With the DRBIIIt read Automatic Temperature Control DTCs Are any DTCs present All Yes Refer to Heating A C information for the related symptom s Perform HEATER VERIFICATION TEST VER 1 No Allow heater assembly to cool Inspect the fuel line air intake and exhaust and coolant hoses for restrictions obstructions loose clamps l...

Page 80: ...SEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH CAUTION DO NOT PERFORM THIS TEST UNLESS DIRECTED HERE BY THE HEATER PRE TEST ALWAYS PERFORM THE HEATER PRE TEST PRIOR TO PERFORMING ANY OTHER TEST FOR THE RESULT TO BE VALID Turn the ignition off Remove the Circulation Pump Relay from the relay ce...

Page 81: ... INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH Turn the ignition off Reconnect the Cabin Heater harness connector Install a substitute relay in place of the Circulation Pump Relay Turn the ignition on Verify that the Cabin Heater is switched off Set the blend control to the max heat position and the mode control to the floor position With the DRBIIIt erase the Cabin Heater Module s DTCs Star...

Page 82: ...gnition on Verify that the Cabin Heater is switched off Set the blend control to the max heat position and the mode control to the floor position With the DRBIIIt erase the Cabin Heater Module s DTCs Start the engine Allow the engine to idle With the DRBIII monitor for Cabin Heater Module DTCs while performing the following step NOTE Do not disconnect the vehicle s battery or the heater s main pow...

Page 83: ...ON TEST VER 1 No Go To 3 3 WARNING NEVER OPERATE THE HEATER IN AN ENCLOSED AREA THAT DOES NOT HAVE EXHAUST VENTILATION FACILITIES ALWAYS VENT THE EXHAUST WHEN OPERATING THE HEATER FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN...

Page 84: ...E TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH CAUTION DO NOT PERFORM THIS TEST UNLESS DIRECTED HERE BY THE HEATER PRE TEST ALWAYS PERFORM THE HEATER PRE TEST PRIOR TO PERFORMING ANY OTHER TEST FOR...

Page 85: ...AUST WHEN OPERATING THE HEATER FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH CAUTION DO NOT PERFORM THIS TEST UNLESS DIRECTED HERE BY THE HEATER PRE TEST ALWAYS PERFORM THE HEATER PRE TEST P...

Page 86: ... THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH CAUTION DO NOT PERFORM THIS TEST UNLESS DIRECTED HERE BY THE HEATER PRE TEST ALWAYS PERFORM THE HEATER PRE TEST PRIOR TO PERFORMING ANY OTHER TEST FOR THE RESULT...

Page 87: ...e as specified All Yes Replace the Dosing Pump in accordance with the Service Infor mation Perform HEATER VERIFICATION TEST VER 1 No Go To 3 3 WARNING NEVER OPERATE THE HEATER IN AN ENCLOSED AREA THAT DOES NOT HAVE EXHAUST VENTILATION FACILITIES ALWAYS VENT THE EXHAUST WHEN OPERATING THE HEATER FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASS...

Page 88: ...ff NOTE Check connectors Clean repair as necessary Disconnect the Cabin Heater or Heater Booster harness connector NOTE Check connectors Clean repair as necessary Disconnect the Dosing Pump harness connector Measure the resistance of the Ground circuit between the Dosing Pump harness connector and the Cabin Heater or Heater Booster harness connector Is the resistance below 5 0 ohms All Yes Replace...

Page 89: ...ir as necessary Disconnect the Dosing Pump harness connector Turn the ignition on Verify that the Cabin Heater or Heater Booster is switched off Set the blend control to the max heat position and the mode control to the floor position With the DRBIIIt erase the Cabin Heater or Heater Booster Module s DTCs Start the engine Allow the engine to idle With the DRBIII monitor for Cabin Heater or Heater ...

Page 90: ...uit Perform HEATER VERIFICATION TEST VER 1 No Go To 3 3 WARNING NEVER OPERATE THE HEATER IN AN ENCLOSED AREA THAT DOES NOT HAVE EXHAUST VENTILATION FACILITIES ALWAYS VENT THE EXHAUST WHEN OPERATING THE HEATER FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO ...

Page 91: ... TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH CAUTION DO NOT PERFORM THIS TEST UNLESS DIRECTED HERE BY THE HEATER PRE TEST ALWAYS PERFORM THE HEATER PRE TEST PRIOR TO PERFORMING ANY OTHER TEST FOR THE RESULT TO BE VALID Turn the ignition off Remove the Fan Stage 1 Relay from the relay center Measur...

Page 92: ...S CAN RESULT IN PERSONAL INJURY OR DEATH Turn the ignition off Reconnect the Cabin Heater harness connector Install a substitute relay in place of the Fan Stage 1 Relay Turn the ignition on Verify that the Cabin Heater is switched off Set the blend control to the max heat position and the mode control to the floor position With the DRBIIIt erase the Cabin Heater Module s DTCs Start the engine Allo...

Page 93: ...tion on Verify that the Cabin Heater is switched off Set the blend control to the max heat position and the mode control to the floor position With the DRBIIIt erase the Cabin Heater Module s DTCs Start the engine Allow the engine to idle With the DRBIII monitor for Cabin Heater Module DTCs while performing the following step NOTE Do not disconnect the vehicle s battery or the heater s main power ...

Page 94: ...EST VER 1 No Go To 3 3 WARNING NEVER OPERATE THE HEATER IN AN ENCLOSED AREA THAT DOES NOT HAVE EXHAUST VENTILATION FACILITIES ALWAYS VENT THE EXHAUST WHEN OPERATING THE HEATER FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RES...

Page 95: ...SSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH CAUTION DO NOT PERFORM THIS TEST UNLESS DIRECTED HERE BY THE HEATER PRE TEST ALWAYS PERFORM THE HEATER PRE TEST PRIOR TO PERFORMING ANY OTHER TEST FOR THE RESULT TO BE VALID Turn the ignition off Inspect the heater s air intake pipe and exhaust p...

Page 96: ...tion This DTC will set if the Flame Sensor s resistance is not within the expected parameters NO START When Monitored After heater activation Set Condition This DTC will set if the Flame Sensor s resistance is not within the expected parameters 340 seconds after activation POSSIBLE CAUSES LOW FUEL LEVEL IN VEHICLE S FUEL TANK HEATER S FUEL LINE RESTRICTED LEAKING DAMAGED DOSING PUMP HEATER S AIR I...

Page 97: ...HEATER VERIFICATION TEST VER 1 2 WARNING NEVER OPERATE THE HEATER IN AN ENCLOSED AREA THAT DOES NOT HAVE EXHAUST VENTILATION FACILITIES ALWAYS VENT THE EXHAUST WHEN OPERATING THE HEATER FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIO...

Page 98: ...rwise proceed to the next step of this procedure With the DRBIIIt in System Tests select Dosing Pump OUTPUT Allow the Dosing Pump Output test to run the full 90 seconds When the Dosing Pump Output test is complete measure the amount of fuel in the container Does the dosing pump output 422 636 cc 14 26 21 5 oz in 90 seconds All Yes Go To 4 No Replace the Dosing Pump in accordance with the Service I...

Page 99: ...in the expected parameters FLAME SENSOR SHORTED When Monitored During heater activation and operation Set Condition This DTC will set if the Flame Sensor s resistance is not within the expected parameters GLOW PIN OPEN When Monitored During heater activation and operation Set Condition This DTC will set if the Glow Pin s resistance is not within the expected parameters GLOW PIN SHORTED When Monito...

Page 100: ...COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH CAUTION DO NOT PERFORM THIS TEST UNLESS DIRECTED HERE BY THE HEATER PRE TEST ALWAYS PERFORM THE HEATER PRE TEST PRIOR TO PERFORMING ANY OTHER TEST FOR THE RESULT TO BE VALID Turn the ignition off View repair All Repair Replace the Cabin Heater Assembly or Heater Booster Assembly in ...

Page 101: ...system is in a steady state of operation Set Condition This DTC will set if the Temperature Sensor s resistance or Overheating Sensor s resistance is not within the expected parameters coolant temperature in the heater module exceeds 105 C 221 F SUCCESSIVE OVERHEATING When Monitored After heater activation when the system is in a steady state of operation Set Condition This DTC will set if success...

Page 102: ... VER 1 No Go To 2 2 WARNING NEVER OPERATE THE HEATER IN AN ENCLOSED AREA THAT DOES NOT HAVE EXHAUST VENTILATION FACILITIES ALWAYS VENT THE EXHAUST WHEN OPERATING THE HEATER FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RESULT...

Page 103: ...E If the heater s control unit detects a reoccurrence of a stored fault it will overwrite that fault s DTC with the most recent occurrence Turn the ignition on Verify that the Cabin Heater or Heater Booster is switched off Set the blend control to the max heat position and the mode control to the floor position Start the engine Allow the engine to idle With the DRBIII monitor for Cabin Heater or H...

Page 104: ...W THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH CAUTION DO NOT PERFORM THIS TEST UNLESS DIRECTED HERE BY THE HEATER PRE TEST ALWAYS PERFORM THE HEATER PRE TEST PRIOR TO PERFORMING ANY OTHER TEST FOR THE RESULT TO BE VALID Check the vehicle s charging system for proper operation i...

Page 105: ...TING SENSOR TEST ACTION APPLICABILITY 1 WARNING NEVER OPERATE THE HEATER IN AN ENCLOSED AREA THAT DOES NOT HAVE EXHAUST VENTILATION FACILITIES ALWAYS VENT THE EXHAUST WHEN OPERATING THE HEATER FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INS...

Page 106: ...CTION APPLICABILITY 1 WARNING NEVER OPERATE THE HEATER IN AN ENCLOSED AREA THAT DOES NOT HAVE EXHAUST VENTILATION FACILITIES ALWAYS VENT THE EXHAUST WHEN OPERATING THE HEATER FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN PERSONAL INJURY OR DEATH WARNING ALLOW THE HEATER ASSEMBLY TO COOL BEFORE PER FORMING A COMPONENT INSPECTION REPAIR REPLACEMENT FAIL URE TO FOLLOW THESE INSTRUCTIONS CAN RESU...

Page 107: ...nspect the vehicle s battery terminals cable terminals and cables for corrosion and damage in accordance with the Service Information Test the vehicle s battery in accordance with the Service Information Is the vehicle s battery system Ok All Yes Go To 2 No Clean repair the vehicle s battery system in accordance with the Service Information Perform HEATER VERIFICATION TEST VER 1 2 WARNING NEVER OP...

Page 108: ...T IN PERSONAL INJURY OR DEATH Turn the ignition on With the DRBIIIt in Sensors record the Cabin Heater s or Heater Booster s Operating Voltage NOTE Check connectors Clean repair as necessary Disconnect the Cabin Heater or Heater Booster harness connector Measure the voltage between the Fused B circuit and ground Is there more than 1 0 volt difference between the Operating Voltage and the Fused B v...

Page 109: ...gine to idle NOTE Do not disconnect the vehicle s battery or the heater s main power supply while the heater is in operation or in run down mode Failure to follow these instructions can result in excess emissions from the heater during heater operation Switch the Cabin Heater or Heater Booster on If necessary allow the heater to run through at least one cycle of operation approximately 10 minutes ...

Page 110: ...ATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING FAILURE TO DO SO MAY RESULT IN PERSONAL INJURY OR DEATH Disconnect the ACM harness connector Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K ACM circuit Is the resistance below 5 0 ohms All Yes Repair the K ACM circuit for a short to ground Perform AIRBAG VERIFICATION TEST VER 1 No Go To 3 3 WARNING TURN THE IGNITION...

Page 111: ...connect the DRBIIIt from the DLC Measure the resistance of the K ACM circuit between the ACM connector and the DLC Is the resistance below 5 0 ohms All Yes Replace the Airbag Control Module in accordance with the Service Information Perform AIRBAG VERIFICATION TEST VER 1 No Repair the K ACM circuit for an open Perform AIRBAG VERIFICATION TEST VER 1 103 COMMUNICATION NO RESPONSE FROM AIRBAG CONTROL...

Page 112: ...o Go To 2 2 Turn the ignition off Disconnect the Automatic Temperature Control harness connectors Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K IC ATC HBM CHM circuit Is the resistance below 5 0 ohms All Yes Go To 3 No Go To 4 3 Turn the ignition off Disconnect the Automatic Temperature Control harness connectors Measure the resistance between ground and the K...

Page 113: ...est light must illuminate brightly Compare the brightness to that of a direct connection to the battery Does the test light illuminate brightly with all the above modules disconnected All Yes Repair the K IC ATC HBM CHM circuit for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Replace the Module that when disconnected the short was eliminated in accordance with the service information...

Page 114: ...2 Turn the ignition off Disconnect the Cabin Heater Module harness connectors Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K IC ATC HBM CHM circuit Is the resistance below 5 0 ohms All Yes Go To 3 No Go To 4 3 Turn the ignition off Disconnect the Cabin Heater Module harness connectors Measure the resistance between ground and the K IC ATC HBM CHM circuit While ...

Page 115: ...The test light must illuminate brightly Compare the brightness to that of a direct connection to the battery Does the test light illuminate brightly with all the above modules disconnected All Yes Repair the K IC ATC HBM CHM circuit for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Replace the Module that when disconnected the short was eliminated in accordance with the service inform...

Page 116: ...p isolate an open or shorted condition Repair as necessary Perform BODY VERIFICATION TEST VER 1 No Go To 2 2 Turn the ignition off Disconnect the CTM harness connectors Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K CTM SSM circuit Is the resistance below 5 0 ohms All Yes Go To 3 No Go To 4 3 Turn the ignition off Disconnect the Security System Module harness c...

Page 117: ...rightly Compare the brightness to that of a direct connection to the battery Does the test light illuminate brightly All Yes Repair the K CTM SSM circuit for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Replace the Security System Module in accordance with the service information Perform BODY VERIFICATION TEST VER 1 6 Turn the ignition off Disconnect the CTM harness connectors Discon...

Page 118: ...tion to help isolate an open or shorted condition Repair as necessary Perform ABS VERIFICATION TEST VER 1 No Go To 2 2 Turn the ignition off Disconnect the CAB harness connector Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K ABS Shifter Assembly circuit Is the resistance below 5 0 ohms All Yes Go To 3 No Go To 4 3 Turn the ignition off Disconnect the Shifter As...

Page 119: ...mpare the brightness to that of a direct connection to the battery Does the test light illuminate brightly All Yes Repair the K ABS Shifter Assembly circuit for a short to voltage Perform ABS VERIFICATION TEST VER 1 No Replace the Shifter Assembly in accordance with the service information Perform ABS VERIFICATION TEST VER 1 6 Turn the ignition off Disconnect the CAB harness connector Disconnect t...

Page 120: ...R 2 No Go To 2 2 Turn the ignition off Disconnect the ECM harness connectors Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K ECM circuit Is the resistance below 5 0 ohms All Yes Repair the K ECM circuit for a short to ground Perform ROAD TEST VERIFICATION VER 2 No Go To 3 3 Turn the ignition off Disconnect the DRBIIIt from the DLC Disconnect the ECM harness conn...

Page 121: ...CM circuit between the ECM connector and the DLC Is the resistance below 5 0 ohms All Yes Replace and program the Engine Control Module in accordance with the Service Information Perform ROAD TEST VERIFICATION VER 2 No Repair the K ECM circuit for an open Perform ROAD TEST VERIFICATION VER 2 113 COMMUNICATION NO RESPONSE FROM ENGINE CONTROL MODULE Continued ...

Page 122: ... 2 2 Turn the ignition off Disconnect the Heater Booster Module harness connector Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K IC ATC HBM CHM circuit Is the resistance below 5 0 ohms All Yes Go To 3 No Go To 4 3 Turn the ignition off Disconnect the Heater Booster Module harness connector Measure the resistance between ground and the K IC ATC HBM CHM circuit W...

Page 123: ...he test light must illuminate brightly Compare the brightness to that of a direct connection to the battery Does the test light illuminate brightly with all the above modules disconnected All Yes Repair the K IC ATC HBM CHM circuit for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Replace the Module that when disconnected the short was eliminated in accordance with the service informa...

Page 124: ... Turn the ignition off Disconnect the Instrument Cluster harness connectors Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K IC ATC HBM CHM circuit Is the resistance below 5 0 ohms All Yes Go To 3 No Go To 4 3 Turn the ignition off Disconnect the Instrument Cluster harness connectors Measure the resistance between ground and the K IC ATC HBM CHM circuit While mon...

Page 125: ...st light must illuminate brightly Compare the brightness to that of a direct connection to the battery Does the test light illuminate brightly with all the above modules disconnected All Yes Repair the K IC ATC HBM CHM circuit for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Replace the Module that when disconnected the short was eliminated in accordance with the service information ...

Page 126: ... help isolate an open or shorted condition Repair as necessary Perform BODY VERIFICATION TEST VER 1 No Go To 2 2 Turn the ignition off Disconnect the SSM harness connectors Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K CTM SSM circuit Is the resistance below 5 0 ohms All Yes Go To 3 No Go To 4 3 Turn the ignition off Disconnect the Central Timer Module harness...

Page 127: ...ghtly Compare the brightness to that of a direct connection to the battery Does the test light illuminate brightly All Yes Repair the K CTM SSM circuit for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Replace the Central Timer Module in accordance with the service information Perform BODY VERIFICATION TEST VER 1 6 Turn the ignition off Disconnect the SSM harness connectors Disconnect...

Page 128: ...VER 1 No Go To 2 2 Turn the ignition off Disconnect the SKREEM harness connector Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K SKREEM circuit Is the resistance below 5 0 ohms All Yes Repair the K SKREEM circuit for a short to ground Perform BODY VERIFICATION TEST VER 1 No Go To 3 3 Turn the ignition off Disconnect the DRBIIIt from the DLC Disconnect the SKREEM...

Page 129: ... between the SKREEM connector and the DLC Is the resistance below 5 0 ohms All Yes Replace and program the Sentry Key Remote Entry Module in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Repair the K SKREEM circuit for an open Perform BODY VERIFICATION TEST VER 1 121 COMMUNICATION NO RESPONSE FROM SENTRY KEY REMOTE ENTRY MODULE Continued ...

Page 130: ...orted condition Repair as necessary Perform NAG1 TRANSMISSION VERIFICATION TEST VER 1 No Go To 2 2 Turn the ignition off Disconnect the Shifter Assembly harness connector Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K ABS Shifter Assembly circuit Is the resistance below 5 0 ohms All Yes Go To 3 No Go To 4 3 Turn the ignition off Disconnect the CAB harness conne...

Page 131: ...hat of a direct connection to the battery Does the test light illuminate brightly All Yes Repair the K ABS Shifter Assembly circuit for a short to voltage Perform NAG1 TRANSMISSION VERIFICATION TEST VER 1 No Replace the Controller Antilock Brake in accordance with the service information Perform NAG1 TRANSMISSION VERIFICATION TEST VER 1 6 Turn the ignition off Disconnect the Shifter Assembly harne...

Page 132: ...EST VER 1 No Go To 2 2 Turn the ignition off Disconnect the TCM harness connectors Disconnect the DRBIIIt from the DLC Measure the resistance between ground and the K TCM circuit Is the resistance below 5 0 ohms All Yes Repair the K TCM circuit for a short to ground Perform NAG1 TRANSMISSION VERIFICATION TEST VER 1 No Go To 3 3 Turn the ignition off Disconnect the DRBIIIt from the DLC Disconnect t...

Page 133: ...tween the TCM connector and the DLC Is the resistance below 5 0 ohms All Yes Replace the Transmission Control Module in accordance with the Service Information Perform NAG1 TRANSMISSION VERIFICATION TEST VER 1 No Repair the K TCM circuit for an open Perform NAG1 TRANSMISSION VERIFICATION TEST VER 1 125 COMMUNICATION NO RESPONSE FROM TRANSMISSION CONTROL MODULE Continued ...

Page 134: ...ompressor Clutch harness connector Turn the ignition on Measure the voltage of the A C Compressor Clutch Control circuit Is the voltage above 0 2 volts All Yes Repair the A C Compressor Clutch Control circuit for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Go To 3 3 Turn the ignition off NOTE Check connectors Clean repair as necessary Reconnect the Automatic Temperature Control ATC ...

Page 135: ...tch Control circuit between the Automatic Temperature Control ATC C1 harness connector and the A C Compres sor Clutch harness connector Is the resistance below 5 0 ohms All Yes Replace the Automatic Temperature Control ATC in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Repair the A C Compressor Clutch Control circuit for an open Perform BODY VERIFICATION TEST VE...

Page 136: ...TION WITH IC STORED RECIRC AIR SOLENOID CONTROL HIGH OR OPEN STORED RECIRC AIR SOLENOID CONTROL SHORTED LOW STORED REFRIG PRESS SENSOR HIGH OR OPEN STORED REFRIG PRESS SENSOR SHORTED LOW STORED WATER CYCLE VALVE CONTROL HIGH OR OPEN STORED WATER CYCLE VALVE CONTROL SHORTED LOW STORED Test Note All symptoms listed above are diagnosed using the same tests The title for the tests will be A C COMPRESS...

Page 137: ...g switch On With the DRBIIIt verify that the ambient temperature is above 59 F 15 C the refrigerant pressure is between 29 and 348 PSI 2 and 24 bar the evaporator temperature is above 36 5 F 2 5 C and the coolant temperature is above 158 F 70 C With the DRBIIIt in Automatic Temperature Control ATC select System Tests and select ATC Function Test When the ATC Function Test is complete proceed as fo...

Page 138: ...sor Clutch in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Go To 2 2 Turn the ignition off Disconnect the A C Compressor Clutch harness connector Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between ground and the A C Compressor Clutch Control circuit Is the resistance below 10k ohms All Yes Repair the A C Compresso...

Page 139: ...nd the Sensor Ground circuit in the Automatic Temperature Control C1 harness connector Is the resistance below 10k ohms All Yes Repair the A C Compressor Clutch Control circuit for a short to the Sensor Ground circuit Perform BODY VERIFICATION TEST VER 1 No Replace the Automatic Temperature Control ATC in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 131 HEATING A C ...

Page 140: ...ness connector Disconnect the Automatic Temperature Control ATC C1 harness connector Turn the ignition on Measure the voltage of the Air Outlet Temperature Sensor Signal circuit Is the voltage above 0 2 volts All Yes Repair the Air Outlet Temperature Sensor Signal circuit for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Replace the Automatic Temperature Control ATC in accordance with...

Page 141: ... an open Perform BODY VERIFICATION TEST VER 1 5 Turn the ignition off NOTE Check connectors Clean repair as necessary Disconnect the Automatic Temperature Control ATC C1 harness connector Disconnect the Air Outlet Temperature Sensor harness connector Measure the resistance of the Sensor Ground circuit between the Automatic Temperature Control ATC C1 harness connector and the Air Outlet Temperature...

Page 142: ...MP SENSOR HIGH OR OPEN All Yes Replace the Air Outlet Temperature Sensor in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Go To 2 2 Turn the ignition off Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between ground and the Air Outlet Temperature Sensor Signal circuit Is the resistance below 10k ohms All Yes Repair the...

Page 143: ...mperature Sensor Signal circuit and the Sensor Ground circuit Is the resistance below 10k ohms All Yes Repair the Air Outlet Temperature Sensor Signal circuit for a short to the Sensor Ground circuit Perform BODY VERIFICATION TEST VER 1 No Replace the Automatic Temperature Control ATC in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 135 HEATING A C AIR OUTLET TEMP SE...

Page 144: ...g to run the ATC Function Test ATC FUNCTION TEST FAILURE When Monitored With the engine running Set Condition This DTC will set if specific operating criteria are not met when attempting to run the ATC Function Test ATC FUNCTION TEST HEAT FAILURE When Monitored With the engine running Set Condition This DTC will set if specific operating criteria are not met when attempting to run the ATC Function...

Page 145: ...ria are met If the criteria cannot be met proceed to Test 2 of this procedure Perform BODY VERIFICATION TEST VER 1 2 Turn the ignition on With the DRBIIIt read Automatic Temperature Control DTCs Does the DRBIIIt display any DTCs All Yes Return to the Heating A C symptom list and choose the symptom s Perform BODY VERIFICATION TEST VER 1 No Go To 3 3 Turn the ignition on With the DRBIIIt read Engine...

Page 146: ...tion off NOTE Check connectors Clean repair as necessary Remove the A C Auxiliary Fan Relay from the relay center Measure the resistance between ground and the Ground circuit in the relay center A C Auxiliary Fan Relay connector terminal 85 Is the resistance below 5 0 ohms All Yes Go To 3 No Repair the Ground circuit for an open Perform BODY VERIFICATION TEST VER 1 3 Turn the ignition off NOTE Che...

Page 147: ... wait 5 seconds then turn the ignition on With the DRBIIIt read Automatic Temperature Control DTCs Does the DRBIIIt display AUX FAN RELAY CONTROL HIGH OR OPEN All Yes Replace the Automatic Temperature Control ATC in accordance with the Service Information Reinstall the original A C Auxiliary Fan Relay Perform BODY VERIFICATION TEST VER 1 No Replace the original A C Auxiliary Fan Relay in accordanc...

Page 148: ...C the refrigerant pressure is between 29 and 348 PSI 2 and 24 bar the evaporator temperature is above 36 5 F 2 5 C and the coolant temperature is above 158 F 70 C With the DRBIIIt in Automatic Temperature Control ATC select System Tests and select ATC Function Test When the ATC Function Test is complete proceed as follows With the DRBIIIt read the active ATC DTCs Does the DRBIIIt display AUX FAN R...

Page 149: ...R 1 No Go To 4 4 Turn the ignition off Remove the A C Auxiliary Fan Relay from the relay center Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between the A C Auxiliary Fan Relay High Side Control circuit and the Sensor Ground circuit in the Automatic Temperature Control ATC C1 harness connector Is the resistance below 10K ohms All Yes Repair the A C A...

Page 150: ... connector Turn the ignition on Measure the voltage of each of the Blower Motor Driver circuits Low M1 M2 High Is the voltage above 0 2 volts on any of the circuits All Yes Repair each circuit with voltage above 0 2 volts for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Go To 3 3 Turn the ignition off NOTE Check connectors Clean repair as necessary Disconnect the Automatic Temperatur...

Page 151: ...2 and cavity 3 The approximate resistance should be 0 8 ohms Measure the resistance between Blower Motor Resistor Block cavity 2 and cavity 4 The approximate resistance should be 1 6 ohms Is the resistance as specified for each circuit All Yes Replace the Automatic Temperature Control ATC in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Replace the Blower Motor Re...

Page 152: ... 2 and 24 bar the evaporator temperature is above 36 5 F 2 5 C and the coolant temperature is above 158 F 70 C With the DRBIIIt in Automatic Temperature Control ATC select System Tests and select ATC Function Test When the ATC Function Test is complete proceed as follows With the DRBIIIt read the active ATC DTCs Does the DRBIIIt display BLOWER STAGE ONE SHORTED LOW All Yes Go To 2 No Refer to the ...

Page 153: ...t the Blower Motor Fuse and replace it if necessary Perform BODY VERIFICATION TEST VER 1 No Go To 5 5 Turn the ignition off Disconnect the Blower Motor Resistor Block harness connector Measure the resistance between Blower Motor Resistor Block cavity 2 and cavity 1 The approximate resistance should be 1 4 ohms Measure the resistance between Blower Motor Resistor Block cavity 2 and cavity 3 The app...

Page 154: ... Heater or Heater Booster switch on The test light should illuminate brightly Does the test light function as specified All Yes Light Only Illuminates w Switch On Replace the Cabin Heater Assembly or the Heater Booster Assem bly in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Light Illuminates w Switch Off Go To 2 No Light Will Not Illuminate Go To 3 2 Turn the i...

Page 155: ...ontrol circuit between the Automatic Temperature Control ATC C1 harness connector and the Cabin Heater or Heater Booster harness connector as applicable Is the resistance below 5 0 ohms All Yes Replace the Automatic Temperature Control ATC in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Repair the Cabin Heater Control circuit for an open Perform BODY VERIFICATION...

Page 156: ...is above 59 F 15 C the refrigerant pressure is between 29 and 348 PSI 2 and 24 bar the evaporator temperature is above 36 5 F 2 5 C and the coolant temperature is above 158 F 70 C With the DRBIIIt in Automatic Temperature Control ATC select System Tests and select ATC Function Test When the ATC Function Test is complete proceed as follows With the DRBIIIt read the active ATC DTCs Does the DRBIIIt ...

Page 157: ...R 1 No Go To 4 4 Turn the ignition off Disconnect the Cabin Heater or Heater Booster harness connector Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between the Cabin Heater Control circuit and the Sensor Ground circuit in the Automatic Temperature Control ATC C1 harness connector Is the resistance below 30k ohms All Yes Repair the Cabin Heater Contro...

Page 158: ...te Press the Residual Engine Heat Utilization REST switch on The test light should illuminate brightly Does the test light function as specified All Yes Light Only Illuminates With REST On Replace the Circulation Pump in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Light Illuminates With REST Off Go To 2 No Light Will Not Illuminate Go To 3 2 Turn the ignition of...

Page 159: ...w 5 0 ohms All Yes Go To 4 No Repair the Circulation Pump Control circuit for an open Perform BODY VERIFICATION TEST VER 1 4 Turn the ignition off NOTE Check connectors Clean repair as necessary Disconnect the Circulation Pump harness connector Measure the resistance between ground and the Ground circuit Is the resistance below 5 0 ohms All Yes Replace the Automatic Temperature Control ATC in acco...

Page 160: ...onnect the Circulation Pump harness connector Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between the Circulation Pump Control circuit and the Ground circuit in the Automatic Temperature Control C1 harness connector Is the resistance below 10k ohms All Yes Repair the Circulation Pump Control circuit for a short to the Ground circuit Perform BODY VER...

Page 161: ...per wire between ground and Circulation Pump cavity 1 Does the Circulation Pump run All Yes Replace the Automatic Temperature Control ATC in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Replace the Circulation Pump in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 153 HEATING A C CIRC PUMP CONTROL SHORTED LOW ACTIVE Continued ...

Page 162: ...ss connector Disconnect the Automatic Temperature Control ATC C1 harness connector Turn the ignition on Measure the voltage of the Evaporator Temperature Sensor Signal circuit Is the voltage above 0 2 volts All Yes Repair the Evaporator Temperature Sensor Signal circuit for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Replace the Automatic Temperature Control ATC in accordance with t...

Page 163: ...for an open Perform BODY VERIFICATION TEST VER 1 5 Turn the ignition off NOTE Check connectors Clean repair as necessary Disconnect the Automatic Temperature Control ATC C1 harness connector Disconnect the Evaporator Temperature Sensor harness connector Measure the resistance of the Sensor Ground circuit between the Automatic Temperature Control ATC C1 harness connector and the Evaporator Temperat...

Page 164: ...l Yes Replace the Evaporator Temperature Sensor in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Go To 2 2 Turn the ignition off Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between ground and the Evaporator Temperature Sensor Signal circuit Is the resistance below 10k ohms All Yes Repair the Evaporator Temperature S...

Page 165: ... Temperature Sensor Signal circuit and the Sensor Ground circuit Is the resistance below 10k ohms All Yes Repair the Evaporator Temperature Sensor Signal circuit for a short to the Sensor Ground circuit Perform BODY VERIFICATION TEST VER 1 No Replace the Automatic Temperature Control ATC in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 157 HEATING A C EVAP TEMP SENSO...

Page 166: ... MODULE SHORT TO VOLTAGE CAN CIRCUITS SHORTED TO GROUND MODULE SHORT TO GROUND CAN CIRCUITS SHORTED TOGETHER ENGINE CONTROL MODULE SENTRY KEY REMOTE ENTRY MODULE TEST ACTION APPLICABILITY 1 Turn the ignition off Disconnect the Instrument Cluster harness connectors Turn the ignition on Measure the voltage between CAN C Bus circuit and ground Measure the voltage between CAN C Bus circuit and ground ...

Page 167: ...nt Cluster harness connectors Disconnect the negative battery cable Measure the resistance between ground and the CAN C Bus circuit Measure the resistance between ground and the CAN C Bus circuit Is the resistance below 50 0 ohms on either circuit All Yes Go To 4 No Go To 5 4 Turn the ignition off Disconnect the negative battery cable Using an ohmmeter connect one end to the CAN Bus circuit that p...

Page 168: ...air the CAN C Bus circuit for a short to the CAN C Bus circuit Perform BODY VERIFICATION TEST VER 1 No Go To 6 6 Turn the ignition off Reconnect the Engine Control Module harness connectors While back probing measure the resistance of the CAN C Bus circuit and the CAN C Bus circuit at the ECM harness connector Is the resistance 120 0 2 0 ohms All Yes Replace the Sentry Key Remote Entry Module in a...

Page 169: ...C TEMPERATURE CONTROL TEST ACTION APPLICABILITY 1 Turn the ignition on With the DRBIIIt read Automatic Temperature Control DTCs Does the DRBIIIt display NO COMMUNICATION BUS All Yes Refer to the Communication category for the related symptom Perform BODY VERIFICATION TEST VER 1 No Go To 2 2 Turn the ignition on With the DRBIIIt read Engine Control Module DTCs Does the DRBIIIt display any DTCs All ...

Page 170: ...ctor Is the resistance 57 to 63 ohms All Yes Replace the Engine Control Module in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Repair the CAN C Bus CAN C Bus circuit s for an open Perform BODY VERIFICATION TEST VER 1 6 Turn the ignition off Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between the CAN C Bus circuit a...

Page 171: ...O AUTOMATIC TEMPERATURE CONTROL TEST ACTION APPLICABILITY 1 Turn the ignition on With the DRBIIIt read Automatic Temperature Control DTCs Does the DRBIIIt display NO COMMUNICATION BUS All Yes Refer to the Communication category for the related symptom Perform BODY VERIFICATION TEST VER 1 No Go To 2 2 Turn the ignition on With the DRBIIIt read Instrument Cluster DTCs Does the DRBIIIt display any DT...

Page 172: ...Is the resistance 57 to 63 ohms All Yes Replace the Instrument Cluster in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Repair the CAN C Bus CAN C Bus circuit s for an open Perform BODY VERIFICATION TEST VER 1 6 Turn the ignition off Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between the CAN C Bus circuit and the C...

Page 173: ...est light should not illuminate Press the Air Recirculation switch on The test light should illuminate brightly Does the test light function as specified All Yes Light Only Illuminates w Recirc On Replace the Recirculated Air Solenoid Valve in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Light Illuminates w Recirc Off Go To 2 No Light Will Not Illuminate Go To 3 ...

Page 174: ...elow 5 0 ohms All Yes Go To 4 No Repair the Recirculated Air Solenoid Valve Control circuit for an open Perform BODY VERIFICATION TEST VER 1 4 Turn the ignition off NOTE Check connectors Clean repair as necessary Disconnect the Recirculated Air Solenoid Valve harness connector Measure the resistance between ground and the Ground circuit Is the resistance below 5 0 ohms All Yes Replace the Automati...

Page 175: ...tion off Disconnect the Recirculated Air Solenoid Valve harness connector Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between the Recirculated Air Solenoid Valve Control circuit and the Ground circuit in the Automatic Temperature Control C1 harness connector Is the resistance below 10k ohms All Yes Repair the Recirculated Air Solenoid Valve Control ...

Page 176: ...ecirculated Air Solenoid harness connector Turn the ignition on The test light should operate as follows With the Air Recirculation switch off the test light should not illuminate Press the Air Recirculation switch on The test light should illuminate brightly Does the test light function as specified All Yes Replace the Recirculated Air Solenoid Valve in accordance with the Service Information Per...

Page 177: ... VERIFICATION TEST VER 1 No Go To 2 2 Turn the ignition off NOTE Check connectors Clean repair as necessary Disconnect the Automatic Temperature Control ATC C1 harness connector Turn the ignition on Measure the voltage of the Refrigerant Pressure Sensor Feedback circuit Is the voltage above 0 2 volts All Yes Repair the Refrigerant Pressure Sensor Feedback circuit for a short to voltage Perform BOD...

Page 178: ...IFICATION TEST VER 1 6 Turn the ignition off NOTE Check connectors Clean repair as necessary Disconnect the Refrigerant Pressure Sensor harness connector Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance of the Refrigerant Pressure Sensor Feedback circuit between the Automatic Temperature Control ATC C1 harness connector and the Refrigerant Pressure Senso...

Page 179: ...rating temperature Set the blower to high speed Press the Air Conditioning switch On With the DRBIIIt verify that the ambient temperature is above 59 F 15 C the refrigerant pressure is between 29 and 348 PSI 2 and 24 bar the evaporator temperature is above 36 5 F 2 5 C and the coolant temperature is above 158 F 70 C With the DRBIIIt in Automatic Temperature Control ATC select System Tests and sele...

Page 180: ...nce below 10k ohms All Yes Repair the Refrigerant Pressure Sensor Feedback circuit for a short to ground Perform BODY VERIFICATION TEST VER 1 No Go To 6 6 Turn the ignition off Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between the Refrigerant Pressure Sensor Feedback circuit and the Ground circuit Is the resistance below 10k ohms All Yes Repair th...

Page 181: ...light should operate as follows With the Residual Engine Heat Utilization REST switch off the test light should not illuminate Press the Residual Engine Heat Utilization REST switch on With the Blend control set to Full Cold the test light should illuminate brightly and continuously With the Blend control set to one position below the half Cold Hot setting the test light should illuminate brightly...

Page 182: ...connect the Water Cycle Valve harness connector Measure the resistance of the Water Cycle Valve Control circuit between the Automatic Temperature Control ATC C1 harness connector and the Water Cycle Valve harness connector Is the resistance below 5 0 ohms All Yes Go To 4 No Repair the Water Cycle Valve Control circuit for an open Perform BODY VERIFICATION TEST VER 1 4 Turn the ignition off NOTE Ch...

Page 183: ... Disconnect the Water Cycle Valve harness connector Disconnect the Automatic Temperature Control ATC C1 harness connector Measure the resistance between the Water Cycle Valve Control circuit and the Ground circuit in the Automatic Temperature Control C1 harness connector Is the resistance below 10k ohms All Yes Repair the Water Cycle Valve Control circuit for a short to the Ground circuit Perform ...

Page 184: ...ss the Residual Engine Heat Utilization REST switch on With the Blend control set to Full Cold the test light should illuminate brightly and continuously With the Blend control set to one position below the half Cold Hot setting the test light should illuminate brightly and blink at a slow continuous rate With the Blend control set to the half Cold Hot setting or above the test light should be off...

Page 185: ...onnect the Ambient Temperature Sensor harness connector Connect a jumper wire between the Ambient Temperature Sensor Signal and Ambient Temperature Sensor Signal Return circuit Turn the ignition on with the DRBIIIt read DTCs Does the DRBIIIt display Ambient Temperature Sensor Short to Ground All Yes Replace the Ambient Temperature Sensor Perform BODY VERIFICATION TEST VER 1 No Go To 3 3 Turn the i...

Page 186: ...t between the Instrument Cluster C1 harness connector and the Ambient Temperature Sensor harness connector Is the resistance above 10 ohms All Yes Repair the Ambient Temperature Sensor Signal circuit for an open Perform BODY VERIFICATION TEST VER 1 No Replace the Instrument Cluster in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 178 INSTRUMENT CLUSTER AMBIENT TEMP S...

Page 187: ...Temperature Sensor harness connector Measure the resistance between ground and the Ambient Temperature Sensor Signal circuit Is the resistance below 1000 ohms All Yes Repair the Ambient Temperature Sensor Signal circuit for a short to ground Perform BODY VERIFICATION TEST VER 1 No Go To 3 3 Turn the ignition off Disconnect the Ambient Temperature Sensor harness connector Disconnect the Instrument ...

Page 188: ...ster C1 harness connector Disconnect the Fuel Pump Module harness connector Connect a jumper wire between the Fuel Level Sensor Signal and the Fuel Level Sensor Signal Return circuit Turn the ignition on With the DRBIIIt read DTCs Does the DRBIIIt display Fuel Level Sensor Open Short to Battery All Yes Go To 3 No Replace the Fuel Level Sensor in accordance with the Service Information Perform BODY...

Page 189: ...uit between the Fuel Pump Module harness connector and the Instrument Cluster harness connector Is the resistance above 10 ohms All Yes Repair the Fuel Level Sensor Signal circuit for an open Perform BODY VERIFICATION TEST VER 1 No Replace the Instrument Cluster in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 181 INSTRUMENT CLUSTER FUEL LEVEL SENSOR OPEN SHORT TO BA...

Page 190: ... Fuel Pump Module harness connector Measure the resistance between ground and the Fuel Level Sensor Signal circuit Is the resistance below 1000 ohms All Yes Repair the Fuel Level Sensor Signal circuit for a short to ground Perform BODY VERIFICATION TEST VER 1 No Go To 3 3 Turn the ignition off Disconnect the Fuel Pump Module harness connector Disconnect the Instrument Cluster C1 harness connector ...

Page 191: ...lts present All Yes Refer to the symptom list for repair information relating to CAN Bus failures Perform BODY VERIFICATION TEST VER 1 No Go To 2 2 With the DRBIIIt erase DTCs Turn the ignition off wait 10 seconds then turn the ignition on With the DRBIIIt read DTCs Does the DRBIIIt read B1043 Instrument Cluster Internal Failure All View Repair Replace the Instrument Cluster in accordance with the...

Page 192: ...lts present All Yes Refer to the symptom list for repair information relating to CAN Bus failures Perform BODY VERIFICATION TEST VER 1 No Go To 2 2 With the DRBIIIt erase DTCs Turn the ignition off wait 10 seconds then turn the ignition on With the DRBIIIt read DTCs Does the DRBIIIt read B1053 Instrument Cluster Internal Failure All View Repair Replace the Instrument Cluster in accordance with the...

Page 193: ...roper operation in accordance with the Service Information Is the Charging system operating properly All Yes Replace the Instrument Cluster in accordance with the service information Perform BODY VERIFICATION TEST VER 1 No Repair the vehicle s charging system in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 185 INSTRUMENT CLUSTER ...

Page 194: ... error DTC Is the same or similar DTC set in the other modules All Yes Go To 3 No Go To 5 3 Turn the ignition off Disconnect the Controller Antilock Brake harness connector Check each power and ground circuit to the module Were any problems found All Yes Refer to the wiring diagrams located in the service information to help isolate an open or shorted condition Repair as necessary Perform BODY VER...

Page 195: ...d the CAN C Bus circuit in the Instrument Cluster harness connector Is the resistance 60 ohms 3 0 ohms All Yes Replace the Instrument Cluster in accordance with the service information Perform BODY VERIFICATION TEST VER 1 No Repair the CAN C Bus or the CAN C Bus circuit for an open Perform BODY VERIFICATION TEST VER 1 187 INSTRUMENT CLUSTER NO CAN COMMUNICATION WITH ABS Continued ...

Page 196: ...imilar ECM message error DTC Is the same or similar DTC set in the other modules All Yes Go To 3 No Go To 5 3 Turn the ignition off Disconnect the ECM harness connector Check each power and ground circuit to the module Were any problems found All Yes Refer to the wiring diagrams located in the service information to help isolate an open or shorted condition Repair as necessary Perform BODY VERIFIC...

Page 197: ...N C Bus circuit and the CAN C Bus circuit in the Instrument Cluster harness connector Is the resistance 60 ohms 3 0 ohms All Yes Replace the Instrument Cluster in accordance with the service information Perform BODY VERIFICATION TEST VER 1 No Repair the CAN C Bus or the CAN C Bus circuit for an open Perform BODY VERIFICATION TEST VER 1 189 INSTRUMENT CLUSTER NO CAN COMMUNICATION WITH ECM Continued...

Page 198: ...ar TCM message error DTC Is the same or similar DTC set in the ECM All Yes Go To 3 No Go To 5 3 Turn the ignition off Disconnect the TCM harness connector Check each power and ground circuit to the module Were any problems found All Yes Refer to the wiring diagrams located in the service information to help isolate an open or shorted condition Repair as necessary Perform BODY VERIFICATION TEST VER...

Page 199: ...d the CAN C Bus circuit in the Instrument Cluster harness connector Is the resistance 60 ohms 3 0 ohms All Yes Replace the Instrument Cluster in accordance with the service information Perform BODY VERIFICATION TEST VER 1 No Repair the CAN C Bus or the CAN C Bus circuit for an open Perform BODY VERIFICATION TEST VER 1 191 INSTRUMENT CLUSTER NO CAN COMMUNICATION WITH TCM Continued ...

Page 200: ...icators during each ignition cycle With the DRBIIIt erase DTCs Turn the ignition off wait 10 seconds then turn the ignition on With the DRBIIIt read DTCs Does the DRBIIIt read Preglow Indicator Lamp Failure All Yes Replace the Instrument Cluster in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Test Complete 192 INSTRUMENT CLUSTER ...

Page 201: ...ent Cluster performs internal tests on the indicators during each ignition cycle With the DRBIIIt erase DTCs Turn the ignition off wait 10 seconds then turn the ignition on With the DRBIIIt read DTCs Does the DRBIIIt read SRS Indicator Lamp Failure All Yes Replace the Instrument Cluster in accordance with the Service Information Perform BODY VERIFICATION TEST VER 1 No Test Complete 193 INSTRUMENT ...

Page 202: ...C s Cycle the ignition switch from ON to OFF to ON With the DRBIIIt read DTC s Operate the Door Locks several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display DRIVER DOOR AJAR INDICATOR CIRCUIT SHORT TO GROUND All Yes Go To 2 No The conditions that caused this code to set are not present at this time Using the wiring diagram schematic as a guide inspect the wiring and con...

Page 203: ...d the Driver Door Ajar Indicator Driver circuit Is the resistance below 20000 0 ohms All Yes Repair the Driver Door Ajar Indicator Driver wire for a short to ground Perform BODY VERIFICATION TEST VER 1 No Replace the Central Timer Module Perform BODY VERIFICATION TEST VER 1 195 POWER DOOR LOCKS RKE DRIVER DOOR AJAR INDICATOR DRIVER CIRCUIT SHORT TO GROUND Continued ...

Page 204: ... DTC s Cycle the ignition switch from ON to OFF to ON With the DRBIIIt read DTC s Operate the Door Locks several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display PASSENGER DOOR AJAR INDICATOR CIRCUIT SHORT TO GROUND All Yes Go To 2 No The conditions that caused this code to set are not present at this time Using the wiring diagram schematic as a guide inspect the wiring a...

Page 205: ...e Passenger Door Ajar Indicator Driver circuit Is the resistance below 20000 0 ohms All Yes Repair the Passenger Door Ajar Indicator Driver wire for a short to ground Perform BODY VERIFICATION TEST VER 1 No Replace the Central Timer Module Perform BODY VERIFICATION TEST VER 1 197 POWER DOOR LOCKS RKE PASSENGER DOOR AJAR INDICATOR DRIVER CIRCUIT SHORT TO GROUND Continued ...

Page 206: ... volts and the module is connected Set Condition The SKREEM has detected an internal failure and must be replaced POSSIBLE CAUSES CTM INTERNAL FAILURE TEST ACTION APPLICABILITY 1 View repair All Repair Replace the Sentry Key RemotE Entry Module in accordance with Service Instructions Perform BODY VERIFICATION TEST VER 1 198 POWER DOOR LOCKS RKE ...

Page 207: ...the DRBIIIt read DTC s Using the RKE transmitter operate the Door Locks several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display RKE INTERFACE CIRCUIT SHORT TO GROUND All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Using the RKE transmitter operate the door locks several times and re check fo...

Page 208: ...een ground and the RKE Interface circuit Is the resistance below 20000 0 ohms All Yes Repair the RKE Interface circuit for a short to ground Perform BODY VERIFICATION TEST VER 1 No Replace the Sentry Key RemotE Entry Module Perform BODY VERIFICATION TEST VER 1 200 POWER DOOR LOCKS RKE RKE INTERFACE CIRCUIT SHORT TO GROUND CTM Continued ...

Page 209: ... OFF to ON With the DRBIIIt read DTC s Using the RKE transmitter operate the Door Locks several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display RKE INTERFACE CIRCUIT OPEN OR SHORT TO GROUND All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Using the RKE transmitter operate the door locks sever...

Page 210: ...FICATION TEST VER 1 No Go To 4 4 Disconnect the Central Timer Module C1 connector Disconnect the SKREEM connector Measure the resistance of the RKE Interface circuit between the SKREEM connector and the CTM C1 connector Is the resistance below 5 0 ohms All Yes Replace the Central Timer Module Perform BODY VERIFICATION TEST VER 1 No Repair the RKE Interface circuit for an open Perform BODY VERIFICA...

Page 211: ... 1 Turn the ignition off Disconnect the Central Timer Module C1 connector Measure the voltage between ground and the RKE Interface circuit Is there any voltage present All Yes Go To 2 No Replace the Central Timer Module Perform BODY VERIFICATION TEST VER 1 2 Disconnect the Central Timer Module C1 connector Disconnect the SKREEM connector Turn the ignition on Measure the voltage between ground and ...

Page 212: ...N With the DRBIIIt read DTC s Turn the ignition off and remove the key Using the RKE transmitter operate the Door Locks several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display RKE INTERFACE CIRCUIT SHORT TO VOLTAGE All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Using the RKE transmitter ope...

Page 213: ...the voltage between ground and the RKE Interface circuit Is there any voltage present All Yes Repair the RKE Interface circuit for a short to voltage Perform BODY VERIFICATION TEST VER 1 No Replace the Central Timer Module Perform BODY VERIFICATION TEST VER 1 205 POWER DOOR LOCKS RKE RKE INTERFACE CIRCUIT SHORT TO VOLTAGE SKREEM Continued ...

Page 214: ...S DTC PRESENT POWERTRAIN DTC TEST ACTION APPLICABILITY 1 With the DRBIIIt record and erase DTC s Cycle the ignition switch from ON to OFF to ON With the DRBIIIt read DTC s Operate the Door Locks several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display THE ACM HAS UNLOCKED THE DOORS All Yes Refer to symptom P1681 ACM CIRCUIT FAULT in the POWER TRAIN SERVICE INFORMATION Per...

Page 215: ...TC s Cycle the ignition switch from ON to OFF to ON With the DRBIIIt read DTC s Turn the ignition off and remove the key Using the RKE transmitter operate the Door Locks several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display UNKNOWN TROUBLE CODE UNKNOWN TYPE 2 All Yes Replace the Sentry Key RemotE Entry Module Perform BODY VERIFICATION TEST VER 1 No The conditions that ...

Page 216: ...ransmitter pass the rest All Yes Go To 3 No Replace and program the RKE Transmitter Perform BODY VERIFICATION TEST VER 1 3 NOTE If only one of the transmitters used with this vehicle is inoperative follow the instructions in the General Information section to put it back in synchronization before proceeding Turn the ignition off Disconnect the Central Timer Module C1 connector Measure the resistan...

Page 217: ...C s All Yes Refer to symptom list for problems related to POWER DOOR LOCKS RKE Perform BODY VERIFICATION TEST VER 1 No Go To 2 2 Gain access to and disconnect the SKREEM module connector Measure the resistance between ground and the RKE Antenna circuit NOTE The resistance should be between 0 2 and 0 4 ohms Is the resistance between 0 2 and 0 4 ohms All Yes Replace the Sentry Key RemotE Entry Modul...

Page 218: ...to OFF to ON With the DRBIIIt read DTC s Remove the ignition key Lock and unlock the doors from the Driver Cylinder Lock Switch several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display DRIVER CYLINDER LOCK SWITCH CIRCUIT SHORT TO GROUND All Yes Go To 2 No The conditions that caused this code to set are not present at this time Using the wiring diagram schematic as a guide...

Page 219: ...tween ground and the Driver Cylinder Lock Sense circuit Is the resistance below 400 0 ohms All Yes Repair the Driver Cylinder Lock Sense circuit for a short to ground Perform BODY VERIFICATION TEST VER 1 No Replace the Security System Module Perform BODY VERIFICATION TEST VER 1 211 VEHICLE THEFT SECURITY DRIVER CYLINDER LOCK SWITCH CIRCUIT SHORT TO GROUND Continued ...

Page 220: ...switch from ON to OFF to ON With the DRBIIIt read DTC s Lock and unlock the doors from the Driver Cylinder Lock Switch several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display DRIVER CYLINDER UNLOCK SWITCH CIRCUIT SHORT TO GROUND All Yes Go To 2 No The conditions that caused this code to set are not present at this time Using the wiring diagram schematic as a guide inspec...

Page 221: ...en ground and the Driver Cylinder Unlock Sense circuit Is the resistance below 400 0 ohms All Yes Repair the Driver Cylinder Unlock Sense circuit for a short to ground Perform BODY VERIFICATION TEST VER 1 No Replace the Security System Module Perform BODY VERIFICATION TEST VER 1 213 VEHICLE THEFT SECURITY DRIVER CYLINDER UNLOCK SWITCH CIRCUIT SHORT TO GROUND Continued ...

Page 222: ...this code is active the front courtesy lamps will remain on with all the doors closed With the DRBIIIt record and erase DTC s Cycle the ignition switch from ON to OFF to ON With the DRBIIIt read DTC s Open and close the front doors several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display FRONT DOOR JAMB SWITCH CIRCUIT SHORT TO GROUND All Yes Go To 2 No The conditions that...

Page 223: ...rn the ignition off Disconnect the Security System Module C1 connector Ensure the driver and passenger doors are closed or the switches are disconnected Observe the courtesy lamps Did the courtesy lamps go off All Yes Replace the Security System Module in accordance with service information Perform BODY VERIFICATION TEST VER 1 No Repair the Front Courtesy Lamps Control circuit for a short to groun...

Page 224: ...ATION SENSOR BEYOND LIMITS When Monitored Whenever the battery voltage is above 10 0 volts and the Security System Module is connected Set Condition If the internal module test fails this DTC will set TOWING INCLINATION SENSOR VALUE IS INVALID When Monitored Whenever the battery voltage is above 10 0 volts and the Security System Module is connected Set Condition If the internal module test fails ...

Page 225: ...DRBIIIt read DTC s Does the DRBIIIt display the same DTC All Yes Replace the Security System Module Perform BODY VERIFICATION TEST VER 1 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Perform BODY VERIFICATION TEST VER 1 217 VEHICLE THEFT SECURITY INTERNAL ERROR SSM Continued ...

Page 226: ... INTRUSION SENSOR INTERFACE WIRE SHORTED INTRUSION SENSOR INTERFACE WIRE OPEN INTRUSION SENSOR TEST ACTION APPLICABILITY 1 With the DRBIIIt record and erase DTC s Remove the ignition key Close and lock all doors and set the Vehicle Theft Security System Wait 1 minute Disarm the Vehicle Theft System With the DRBIIIt read DTC s Does the DRBIIIt display the same DTC All Yes Go To 2 No Using the wirin...

Page 227: ...connector Measure the resistance of the Intrusion Sensor 1 Signal circuit between the SSM C2 connector and the Intrusion Sensor No 1 connector Is the resistance below 5 0 ohms All Yes Go To 7 No Repair the Intrusion Sensor 1 Signal wire for an open Perform BODY VERIFICATION TEST VER 1 7 Disconnect the Intrusion Sensor No 1 connector Disconnect the Security System Module C2 connector Measure the re...

Page 228: ...y Close and lock all doors and set the Vehicle Theft Security System Wait 1 minute Disarm the Vehicle Theft System With the DRBIIIt read DTC s Does the DRBIIIt display the same DTC All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Perform BODY VERIFICATION TEST VER 1 2 Disconnect the Intrusion Sensor No 1 connector Meas...

Page 229: ... INTRUSION SENSOR INTERFACE WIRE SHORTED INTRUSION SENSOR INTERFACE WIRE OPEN INTRUSION SENSOR TEST ACTION APPLICABILITY 1 With the DRBIIIt record and erase DTC s Remove the ignition key Close and lock all doors and set the Vehicle Theft Security System Wait 1 minute Disarm the Vehicle Theft System With the DRBIIIt read DTC s Does the DRBIIIt display the same DTC All Yes Go To 2 No Using the wirin...

Page 230: ...connector Measure the resistance of the Intrusion Sensor 2 Signal circuit between the SSM C2 connector and the Intrusion Sensor No 2 connector Is the resistance below 5 0 ohms All Yes Go To 7 No Repair the Intrusion Sensor 2 Signal wire for an open Perform BODY VERIFICATION TEST VER 1 7 Disconnect the Intrusion Sensor No 2 connector Disconnect the Security System Module C2 connector Measure the re...

Page 231: ...y Close and lock all doors and set the Vehicle Theft Security System Wait 1 minute Disarm the Vehicle Theft System With the DRBIIIt read DTC s Does the DRBIIIt display the same DTC All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Perform BODY VERIFICATION TEST VER 1 2 Disconnect the Intrusion Sensor No 2 connector Meas...

Page 232: ... INTRUSION SENSOR INTERFACE WIRE SHORTED INTRUSION SENSOR INTERFACE WIRE OPEN INTRUSION SENSOR TEST ACTION APPLICABILITY 1 With the DRBIIIt record and erase DTC s Remove the ignition key Close and lock all doors and set the Vehicle Theft Security System Wait 1 minute Disarm the Vehicle Theft System With the DRBIIIt read DTC s Does the DRBIIIt display the same DTC All Yes Go To 2 No Using the wirin...

Page 233: ...connector Measure the resistance of the Intrusion Sensor 3 Signal circuit between the SSM C2 connector and the Intrusion Sensor No 3 connector Is the resistance below 5 0 ohms All Yes Go To 7 No Repair the Intrusion Sensor 3 Signal wire for an open Perform BODY VERIFICATION TEST VER 1 7 Disconnect the Intrusion Sensor No 3 connector Disconnect the Security System Module C2 connector Measure the re...

Page 234: ...y Close and lock all doors and set the Vehicle Theft Security System Wait 1 minute Disarm the Vehicle Theft System With the DRBIIIt read DTC s Does the DRBIIIt display the same DTC All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Perform BODY VERIFICATION TEST VER 1 2 Disconnect the Intrusion Sensor No 3 connector Meas...

Page 235: ...ar courtesy lamps will remain on with all the doors closed With the DRBIIIt record and erase DTC s Cycle the ignition switch from ON to OFF to ON With the DRBIIIt read DTC s Open and close the sliding and rear doors several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display REAR OR SLIDING DOOR JAMB SWITCH CIRCUIT SHORT TO GROUND All Yes Go To 2 No The conditions that cause...

Page 236: ...he ignition off Disconnect the Security System Module C1 connector Ensure the sliding and rear doors are closed or the switches are disconnected Observe the courtesy lamps Did the courtesy lamps go off All Yes Replace the Security System Module in accordance with service information Perform BODY VERIFICATION TEST VER 1 No Repair the Rear Courtesy Lamps Control circuit for a short to ground Perform...

Page 237: ...ON With the DRBIIIt read DTC s Remove the ignition key Using the RKE transmitter operate the Door Locks several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display RKE INTERFACE CIRCUIT FAILURE All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Using the RKE transmitter operate the door locks sever...

Page 238: ... VERIFICATION TEST VER 1 No Go To 4 4 Disconnect the Central Timer Module C1 connector Disconnect the Security System Module C2 connector Measure the resistance of the RKE Interface circuit between the SSM C2 connector and the CTM C1 connector Is the resistance below 5 0 ohms All Yes Replace the Central Timer Module Perform BODY VERIFICATION TEST VER 1 No Repair the RKE Interface circuit for an op...

Page 239: ...h from ON to OFF to ON With the DRBIIIt read DTC s Using the RKE transmitter operate the Door Locks several times while observing the DRBIIIt Wait 10 seconds Does the DRBIIIt display SECURITY SYSTEM INTERFACE CIRCUIT FAILURE All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Using the RKE transmitter operate the door loc...

Page 240: ... BODY VERIFICATION TEST VER 1 No Go To 4 4 Disconnect the Sentry Key Remoter Entry connector Disconnect the Security System Module C2 connector Measure the resistance of the Security System circuit between the SSM C2 connector and the CTM C1 connector Is the resistance below 5 0 ohms All Yes Replace the Security System Module Perform BODY VERIFICATION TEST VER 1 No Repair the Security System Inter...

Page 241: ...C s Remove the ignition key Close and lock all doors and set the Vehicle Theft Security System Wait 1 minute Disarm the Vehicle Theft System With the DRBIIIt read DTC s Does the DRBIIIt display the same DTC All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Perform BODY VERIFICATION TEST VER 1 2 Check Fuse 2 in Fuse Bloc...

Page 242: ...it Is the resistance below 5 0 ohms All Yes Repair the Siren Signal Control circuit for a short to ground Perform BODY VERIFICATION TEST VER 1 No Go To 6 6 Disconnect the Siren connector Disconnect the Security System Module C2 connector Measure the resistance of the Siren Signal Control circuit between the SSM C2 connector and the Siren connector Is the resistance below 5 0 ohms All Yes Replace t...

Page 243: ...cle Theft Security System Wait 1 minute Disarm the Vehicle Theft System With the DRBIIIt read DTC s Does the DRBIIIt display the same DTC All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Perform BODY VERIFICATION TEST VER 1 2 With the DRBIIIt actuate the Siren Did the siren sound with the actuation and does the Siren f...

Page 244: ...ck all doors and set the Vehicle Theft Security System Wait 1 minute Disarm the Vehicle Theft System With the DRBIIIt read DTC s Does the DRBIIIt display the same DTC All Yes Go To 2 No Using the wiring diagram schematic as a guide inspect the wiring and connectors for an intermittent condition Perform BODY VERIFICATION TEST VER 1 2 Disconnect the Siren connector Disconnect the Security System Mod...

Page 245: ...read DTC s If any DTC s are present return to Symptom list 13 If there are no Diagnostic Trouble Codes DTC s present and the customer s concern can no longer be duplicated the repair is complete Are any DTC s present or is the original concern still present All Yes Repair is not complete refer to appropriate symptom No Repair is complete AIRBAG VERIFICATION TEST VER 1 APPLICABILITY 1 Remove any sp...

Page 246: ...s the Air Conditioning switch On 11 With the DRBIIIt verify that the ambient temperature is above 59 F 15 C the refrigerant pressure is between 29 and 348 PSI 2 and 24 bar the evaporator temperature is above 36 5 F 2 5 C and the coolant temperature is above 158 F 70 C 12 With the DRBIIIt in ATC select System Tests and select ATC Function Test When the ATC Function Test is complete proceed to the n...

Page 247: ...ctors 10 If a heater installation cooling system service was performed purge the coolant circuit of air in accordance with the Service Information 11 Turn the ignition on 12 Verify that the Cabin Heater or Heater Booster is switched off 13 Ensure that all accessories are turned off 14 Set the blend control to the max heat position and the mode control to the floor position 15 If a fuel system serv...

Page 248: ...itial symptom still exists If there are no trouble codes and the symptom no longer exists the repair was successful and testing is now complete 4 If the initial or another symptom exists the repair is not complete Check all pertinent Technical Service Bulletins TSBs and return to the Symptom List if necessary 5 For previously read DTCs that have not been dealt with return to the Symptom List and f...

Page 249: ...8 0 COMPONENT LOCATIONS 8 1 AIRBAG SYSTEM 8 2 AIRBAG CONTROL MODULE 8 3 DRIVER AIRBAG SQUIB C O M P O N E N T L O C A T I O N S 241 COMPONENT LOCATIONS ...

Page 250: ...8 4 CLOCKSPRING 8 5 SEAT BELT TENSIONER 8 6 HEATING A C 8 6 1 AUTOMATIC TEMPERATURE CONTROL ATC SYSTEM COMPONENTS C O M P O N E N T L O C A T I O N S 242 COMPONENT LOCATIONS ...

Page 251: ...N HEATER HEATER BOOSTER SYSTEM COMPONENTS 8 6 3 AUTO TEMP CONTROL CABIN HEATER HEATER BOOSTER FUSES RELAYS 8 6 4 EVAP TEMP SENSOR AIR OUTLET TEMP SENSOR C O M P O N E N T L O C A T I O N S 243 COMPONENT LOCATIONS ...

Page 252: ...8 7 INSTRUMENT CLUSTER 8 7 1 AMBIENT TEMPERATURE SENSOR 8 8 POWER DOOR LOCKS RKE 8 8 1 CENTRAL TIMER MODULE C O M P O N E N T L O C A T I O N S 244 COMPONENT LOCATIONS ...

Page 253: ...8 8 2 SENTRY KEY REMOTE ENTRY MODULE 8 8 3 DOOR LOCK MOTOR AJAR SWITCH 8 8 4 CONTACT PLATES C O M P O N E N T L O C A T I O N S 245 COMPONENT LOCATIONS ...

Page 254: ...OCK MOTOR AJAR SWITCH CONNECTORS 8 9 VEHICLE THEFT SECURITY SYSTEM 8 9 1 SECURITY SYSTEM MODULE 8 9 2 INTRUSION SENSORS C O M P O N E N T L O C A T I O N S 246 COMPONENT LOCATIONS 8 8 POWER DOOR LOCKS RKE Continued ...

Page 255: ...8 9 3 SWITCHES 8 9 4 SIREN C O M P O N E N T L O C A T I O N S 247 COMPONENT LOCATIONS ...

Page 256: ...NOTES 248 ...

Page 257: ...ITCH OUTPUT RUN START 6 20BR GROUND 7 20YL AIRBAG WARNING INDICATOR DRIVER 9 20BK RD K ACM 10 20DG DRIVER AIRBAG SQUIB 1 LINE 2 11 20VT DRIVER AIRBAG SQUIB 1 LINE 1 13 20BL DG PASSENGER AIRBAG SQUIB 1 LINE 2 14 20BR DG PASSENGER AIRBAG SQUIB 1 LINE 1 20 20DG ENHANCED ACCIDENT REPORT DRIVER AIRBAG SQUIB DRIVER CAV CIRCUIT FUNCTION 1 20DG DRIVER AIRBAG SQUIB 1 LINE 2 2 20VT DRIVER AIRBAG SQUIB 1 LIN...

Page 258: ...UNNING LAMP RELAY OUTPUT 3 16RD YL FUSED B 7 16YL CABIN HEATER CONTROL 10 16BR GROUND BLOWER MOTOR RESISTOR BLOCK CAV CIRCUIT FUNCTION 1 12YL BK BLOWER MOTOR M2 DRIVER 2 12YL BLOWER MOTOR LOW DRIVER 3 12BK WT BLOWER MOTOR M1 DRIVER 4 12DG BLOWER MOTOR HIGH DRIVER BLOWER MOTOR FRONT BLACK CAV CIRCUIT FUNCTION 1 12RD BL BLOWER MOTOR HIGH DRIVER 2 12BK GROUND C O N N E C T O R P I N O U T S 250 CONNE...

Page 259: ... 16BR WT 17 16GY RD 18 16BK YL DG 19 16BK YL C200 BLACK MAIN BODY SIDE CAV CIRCUIT 1 16GY 2 16GY DG 3 16BK YL 4 16DG BL WT 5 16YL BL 6 16BL RD 7 16BK RD 8 16WT BK 9 16WT DG 10 16WT YL 11 16WT RD 12 16BK RD 13 18VT YL 14 16BR BK 15 16YL 16 16BR WT 17 16GY RD 18 16BK YL DG 19 16BK YL C205 YELLOW DASH SIDE CAV CIRCUIT 1 20BL DG 2 20BR DG C O N N E C T O R P I N O U T S 251 CONNECTOR PINOUTS ...

Page 260: ... 16BL RD DRIVER DOOR LOCK DRIVER 3 16BK RD DRIVER DOOR UNLOCK DRIVER 4 16YL BK DRIVER DOOR LOCK SENSE 5 16DG BL WT PASSENGER FRONT DOOR UNLOCK SENSE 6 16YL BL PASSENGER FRONT DOOR LOCK SENSE 7 18BK YL MASTER DOOR LOCK SWITCH SENSE ALL DOORS 8 16RD BK FUSED D RELAY NO 1 OUTPUT 9 16WT BL EXCEPT VTSS RKE INTERFACE 9 16WT BL RD VTSS RKE INTERFACE 10 16BK RD FUSED IGNITION SWITCH OUTPUT 11 16DG ENHANCE...

Page 261: ...T SLIDING DOOR LOCK SENSE 14 16DG YL RIGHT SLIDING DOOR UNLOCK SENSE 17 16BK RD PASSENGER DOORS UNLOCK DRIVER 18 16BL RD PASSENGER DOORS LOCK DRIVER CIRCULATION PUMP CABIN HEATER MODULE CAV CIRCUIT FUNCTION 1 18DG RD CIRCULATION PUMP RELAY OUTPUT 2 18BR GROUND CIRCULATION PUMP REST SYSTEM CAV CIRCUIT FUNCTION 1 18DG RD CIRCULATION PUMP CONTROL 2 18BR GROUND CLOCKSPRING C2 CAV CIRCUIT FUNCTION 1 20...

Page 262: ...R 31 20YL RIGHT REAR WHEEL SPEED SENSOR 32 18BK RD BRAKE LAMP SWITCH OUTPUT 40 20DG CAN C BUS CYLINDER LOCK SWITCH DRIVER CAV CIRCUIT FUNCTION 1 16BK DRIVER CYLINDER UNLOCK SENSE 3 16BR GROUND 4 16RD DRIVER CYLINDER LOCK SENSE DATA LINK CONNECTOR BLACK CAV CIRCUIT FUNCTION 1 20WT DG K SKREEM 3 20DG GY ENGINE RPM 4 20BR GROUND 5 20BR GROUND 7 18BL YL K ECM 8 20BK BL DG FUSED IGNITION SWITCH OUTPUT ...

Page 263: ...TOR AJAR SWITCH ASSEMBLY LEFT SLIDING C2 CAV CIRCUIT FUNCTION 3 16YL WT LEFT SLIDING DOOR LOCK SENSE 4 16DG BK LEFT SLIDING DOOR UNLOCK SENSE DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY PASSENGER C1 CAV CIRCUIT FUNCTION 1 20YL BL PASSENGER FRONT DOOR LOCK SENSE 2 20DG BL WT PASSENGER FRONT DOOR UNLOCK SENSE DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY PASSENGER C2 CAV CIRCUIT FUNCTION 1 16BK RD PASSENGER DOORS U...

Page 264: ...ER VAN REAR DOOR LOCK SENSE 5 16DG RD PASSENGER VAN REAR DOOR UNLOCK SENSE DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY RIGHT SLIDING C1 CAV CIRCUIT FUNCTION 1 16BK RD PASSENGER DOORS UNLOCK DRIVER 2 16BL RD PASSENGER DOORS LOCK DRIVER DOOR LOCK MOTOR AJAR SWITCH ASSEMBLY RIGHT SLIDING C2 CAV CIRCUIT FUNCTION 3 16YL RD RIGHT SLIDING DOOR LOCK SENSE 4 16DG YL RIGHT SLIDING DOOR UNLOCK SENSE DOSING PUMP CAV...

Page 265: ...TION SENSOR SIGNAL NO 2 10 18BL DG ACCEL PEDAL POSITION SENSOR SIGNAL NO 1 12 18DG WT INTAKE AIR TEMPERATURE SENSOR SIGNAL 17 18WT RD BOOST PRESSURE SENSOR 5 VOLT SUPPLY 18 20YL DG MASS AIR FLOW SENSOR SIGNAL 19 20BR BK MASS AIR FLOW SENSOR 5 VOLT SUPPLY 20 18VT IGNITION SWITCH OUTPUT START 22 18BR WT BOOST PRESSURE SENSOR GROUND 23 18BR BL ACCEL PEDAL POSITION SENSOR GROUND NO 1 25 18BK RD GLOW P...

Page 266: ...ENSOR SIGNAL RETURN FUSE BLOCK NO 1 C2 CAV CIRCUIT FUNCTION 1 14BK RD FUSED IGNITION SWITCH OUTPUT RUN 2 14BK YL FUSED IGNITION SWITCH OUTPUT START 3 16GY DG FUSED IGNITION SWITCH OUTPUT ACC OFF 4 14BK FUSED IGNITION SWITCH OUTPUT RUN START C O N N E C T O R P I N O U T S 258 CONNECTOR PINOUTS ...

Page 267: ...C O N N E C T O R P I N O U T S 259 CONNECTOR PINOUTS ...

Page 268: ...ELAY SIGNAL 15 16BK RD FUSED IGNITION SWITCH OUTPUT ACC RUN START 16 16BK RD ENGINE CONTROL RELAY OUTPUT 17 16BK RD ENGINE CONTROL RELAY OUTPUT 18 14BK FUSED IGNITION SWITCH OUTPUT RUN START 19 FUSED B 20 16RD BL FUSED B 21 12RD FUSED B FUSES FUSE BLOCK NO 2 CAV CIRCUIT FUNCTION 1 16RD GY FUSED B 2 16RD FUSED B 3 16RD FUSED B 4 16RD YL FUSED B 5 14RD WT FUSED B 6 18RD YL FUSED B 7 16BK YL OPTIONAL...

Page 269: ...OPTIONAL EQUIPMENT RELAY OUTPUT 14 16BK GY OPTIONAL EQUIPMENT RELAY OUTPUT 15 16VT YL OPTIONAL EQUIPMENT RELAY OUTPUT 18 16RD YL FUSED B 19 16RD DG VT FUSED D RELAY NO 1 OUTPUT 20 16BK YL OPTIONAL EQUIPMENT RELAY OUTPUT FUSES FUSE RELAY BLOCK FUSE NO AMPS FUSED CIRCUIT FUNCTION 1 30A 14BL YL FUSED B 5 10A 16RD YL FUSED B 6 7 5A 18BK RD OPTIONAL EQUIPMENT RELAY OUTPUT 7 25A 14RD FUSED B 8 40A 12RD ...

Page 270: ...SIGNAL 15 20BR WT FRONT COURTESY LAMPS CONTROL 16 20YL RD SEAT BELT SWITCH SIGNAL 17 20DG CAN C BUS 18 20DG WT CAN C BUS INSTRUMENT CLUSTER C2 WHITE CAV CIRCUIT FUNCTION 3 20RD YL FUSED B 4 20BR WT BRAKE WEAR SENSOR SIGNAL 6 18BR GROUND 7 20GY DG RD LAMP DRIVER 8 20BL WT FUSED HIGH BEAM SWITCH OUTPUT 9 20BL RD WT VEHICLE SPEED SENSOR OUTPUT 10 20BK FUSED IGNITION SWITCH OUTPUT RUN START 11 20BL BK...

Page 271: ...GROUND 2 20DG WT BL INTRUSION SENSOR 3 SIGNAL 3 20DG YL INTRUSION SENSOR INTERFACE 4 20RD DG FUSED B MASTER DOOR LOCK SWITCH CAV CIRCUIT FUNCTION 1 16GY DG RD LAMP DRIVER 2 16WT DG PASSENGER DOOR AJAR INDICATOR DRIVER 3 16WT YL MASTER DOOR LOCK SWITCH SENSE ALL DOORS 8 16WT RD MASTER DOOR LOCK SWITCH SENSE PASSENGER DOORS 9 16WT BK DRIVER DOOR AJAR INDICATOR DRIVER 10 16BR GROUND PANIC ALARM SWITC...

Page 272: ...16RD RECIRCULATED AIR SOLENOID VALVE CONTROL 2 16BK GROUND REFRIGERANT PRESSURE SENSOR CAV CIRCUIT FUNCTION 1 18BR BL SENSOR GROUND 2 20BR RD REFRIGERANT PRESSURE SENSOR FEEDBACK 3 20RD BL 5 VOLT SUPPLY C O N N E C T O R P I N O U T S 264 CONNECTOR PINOUTS ...

Page 273: ...C O N N E C T O R P I N O U T S 265 CONNECTOR PINOUTS ...

Page 274: ...D RELAY NO 1 RELAY BLOCK CAV CIRCUIT FUNCTION 30 10RD YL D RELAY NO 1 OUTPUT 85 16BR GROUND 86 20BL VT D RELAY NO 1 CONTROL 87 10RD FUSED B 87A 16BR GROUND FAN STAGE 1 RELAY RELAY BLOCK CAV CIRCUIT FUNCTION 30 14BK VT FAN STAGE 1 RELAY OUTPUT 85 16BR GROUND 86 16BL YL FAN STAGE 1 RELAY HIGH SIDE CONTROL 87 16RD WT FUSED B 87A HORN RELAY RELAY BLOCK CAV CIRCUIT FUNCTION 30 16BR GROUND 85 16BK BL VT...

Page 275: ...LAY RIGHT RELAY BLOCK CAV CIRCUIT FUNCTION 30 16RD YL FUSED B 85 18RD YL FUSED B 86 18DG YL TURN SIGNAL ANTI THEFT ALARM RELAY LEFT RIGHT CONTROL 87 16BK DG RIGHT TURN SIGNAL 87A C O N N E C T O R P I N O U T S 267 CONNECTOR PINOUTS ...

Page 276: ...LOW CAV CIRCUIT FUNCTION 1 20BL DRIVER SEAT BELT TENSIONER LINE 2 2 20BR YL DRIVER SEAT BELT TENSIONER LINE 1 SEAT BELT TENSIONER PASSENGER YELLOW CAV CIRCUIT FUNCTION 1 20BL PASSENGER SEAT BELT TENSIONER LINE 2 2 20BR PASSENGER SEAT BELT TENSIONER LINE 1 C O N N E C T O R P I N O U T S 268 CONNECTOR PINOUTS ...

Page 277: ...IT FUNCTION 1 16DG YL INTRUSION SENSOR INTERFACE 2 16GY BL WINDOW DEFOGGER RELAY LEFT REAR OUTPUT 3 16GY WINDOW DEFOGGER RELAY RIGHT REAR OUTPUT 4 20DG BK INTRUSION SENSOR 1 SIGNAL 7 20GY BK INTRUSION SENSOR 2 SIGNAL 8 20GY DG K CTM SSM 9 18BK BL SIREN SIGNAL CONTROL 10 20DG WT BL INTRUSION SENSOR 3 SIGNAL 11 16WT BL RKE INTERFACE 12 16WT BL RD SECURITY SYSTEM INTERFACE SENTRY KEY REMOTE ENTRY MOD...

Page 278: ...BLACK CAV CIRCUIT FUNCTION 1 18RD DG FUSED B 2 18BR GROUND 3 18BK BL SIREN SIGNAL CONTROL TOWING INTRUSION SENSOR ON OFF SWITCH CAV CIRCUIT FUNCTION 1 18GY DG LAMP DRIVER 3 18GY YL INTRUSION SENSOR SWITCH SENSE 4 18BR GROUND 8 18GY BR TOWING SENSOR SWITCH SENSE 9 18VT DG TOWING INTRUSION SENSOR INDICATOR DRIVER 10 18BR GROUND TRANSMISSION CONTROL MODULE C1 BLACK CAV CIRCUIT FUNCTION 1 20BL K TCM 2...

Page 279: ...T SPEED SENSOR 36 16BR GY MODULATION PRESSURE SOLENOID CONTROL 37 16BK RD SHIFT PRESSURE SOLENOID CONTROL 38 16BK SOLENOID SUPPLY VOLTAGE H 20DG WT CAN C BUS L 20DG CAN C BUS WATER CYCLE VALVE CAV CIRCUIT FUNCTION 1 18BR VT WATER CYCLE VALVE CONTROL 2 18BR GROUND WINDOW DEFOGGER LEFT REAR CAV CIRCUIT FUNCTION 1 16GY WINDOW DEFOGGER RELAY LEFT REAR OUTPUT 2 16BR GROUND WINDOW DEFOGGER RIGHT REAR CA...

Page 280: ...NOTES 272 ...

Page 281: ...10 0 SCHEMATIC DIAGRAMS 10 1 AIRBAG SYSTEM S C H E M A T I C D I A G R A M S 273 SCHEMATIC DIAGRAMS ...

Page 282: ...10 2 COMMUNICATION 10 2 1 COMMUNICATION K LINES S C H E M A T I C D I A G R A M S 274 SCHEMATIC DIAGRAMS ...

Page 283: ...10 2 2 CAN BUS NETWORK S C H E M A T I C D I A G R A M S 275 SCHEMATIC DIAGRAMS ...

Page 284: ...10 3 HEATING A C 10 3 1 AUTOMATIC TEMPERATURE CONTROL ATC S C H E M A T I C D I A G R A M S 276 SCHEMATIC DIAGRAMS ...

Page 285: ...10 3 2 CABIN HEATER MODULE CHM S C H E M A T I C D I A G R A M S 277 SCHEMATIC DIAGRAMS ...

Page 286: ...10 3 3 HEATER BOOSTER MODULE HBM S C H E M A T I C D I A G R A M S 278 SCHEMATIC DIAGRAMS 10 3 HEATING A C Continued ...

Page 287: ...10 4 INSTRUMENT CLUSTER S C H E M A T I C D I A G R A M S 279 SCHEMATIC DIAGRAMS ...

Page 288: ...10 5 POWER DOOR LOCKS RKE 10 5 1 FRONT DOORS S C H E M A T I C D I A G R A M S 280 SCHEMATIC DIAGRAMS ...

Page 289: ...10 5 2 SLIDING AND REAR DOORS S C H E M A T I C D I A G R A M S 281 SCHEMATIC DIAGRAMS ...

Page 290: ...10 5 3 SWITCH AND MISCELLANEOUS CIRCUITS S C H E M A T I C D I A G R A M S 282 SCHEMATIC DIAGRAMS 10 5 POWER DOOR LOCKS RKE Continued ...

Page 291: ...10 6 VEHICLE THEFT SECURITY SYSTEM S C H E M A T I C D I A G R A M S 283 SCHEMATIC DIAGRAMS ...

Page 292: ...NOTES 284 ...

Page 293: ... 0 CHARTS AND GRAPHS 11 1 EVAP TEMP SENSOR RESISTANCE TO TEMPERATURE SPECIFICATIONS 11 2 AIR OUTLET TEMP SENSOR RESISTANCE TO TEMPERATURE SPECIFICATIONS C H A R T S A N D G R A P H S 285 CHARTS AND GRAPHS ...

Page 294: ...NOTES 286 ...

Page 295: ...procedures are appreciated To best understand your suggestion please complete the form giving us as much detail as possible Model Year Body Type Engine Transmission Vehicle Mileage MDH Diagnostic Procedure Book No Page Comments recommendations if necessary draw sketch Name Submitted by Address City State Zip Business Phone All comments become property of DaimlerChrysler Corporation and may be used...

Page 296: ...Dealer Technical Operations 800 Chrysler Drive CIMS 486 02 76 Auburn Hills MI 48326 2757 ...

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