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GM OBD1 Systems 

ABOUT THE TOOL - DLC - MIL - DTCs 

3120d

91

In addition to the list on the previous page, this Diagnostic 
Tool IS ALSO COMPATIBLE with OBD1 GM models that 
are equipped with "Climate Control Computers". 

For 1994 and 1995 vehicles, only the models listed above are 
compatible with the Diagnostic Tool. 

ABOUT THE DIAGNOSTIC TOOL 

The Diagnostic Tool is a device that connects to your vehicle's Data 
Link Connector to retrieve any Diagnostic Trouble Codes that are stored 
in the vehicle's on-board computer. 

DATA LINK CONNECTOR (DLC) 

Your vehicle test connector is known as the 
Assembly Line Data Link (ALDL) connector, 
Assembly Line Communication Link (ALCL) 
Connector or the Data Link Connector 
(DLC). The GM DLC connector contains 12 pins and is usually black in 
color. On most GM vehicles, the connector is found under the left side of 
the dashboard. 

MALFUNCTION INDICATOR LIGHT (MIL) 

Your vehicle's instrument panel has a Malfunction Indicator Light (MIL) 
also called the "Check Engine" or "Service Engine soon" light. The MIL 
is an indicator to warn the vehicle operator of a problem in the computer 
control system. 

CHECK ENGINE

SERVICE

SERVICE

ENGINE

ENGINE

SOON

If your instrument panel indicator lights do not come on when 
you turn on the ignition, please refer to your vehicle's service 
manual. You may have problems in the vehicle's circuitry. 

DIAGNOSTIC TROUBLE CODES (DTC's) 

The service codes are also called "fault codes", "Diagnostic Trouble 
Codes" (DTC's) or "trouble codes". These codes can be used to identify 
systems or components that are malfunctioning. The computer records 
codes for two types of problems: 

„

 

"Hard" Diagnostic Trouble Codes

"Hard" DTCs represent problems that are occurring now and cause
the instrument panel Malfunction Indicator Lamp (MIL) or Check
Engine light to illuminate and remain on until the failure is repaired.
A DTC is stored in the vehicle's computer memory for each fault
detected. 

A 

Diagnostic 

 

Tool or Scanner can be used to

retrieve DTCs that are stored in the vehicle's computer memory.

Содержание 3120d

Страница 1: ......

Страница 2: ...ORS 68 CONNECTING THE DIAGNOSTIC TOOL 69 DIAGNOSTIC TROUBLE CODES DTCs 69 CODE RETRIEVAL PROCEDURES 70 ADDITIONAL TESTS FOR EEC IV SYSTEMS 80 ERASING DTCs 88 GM OBD1 SYSTEMS YOUR VEHICLE S COMPUTER SY...

Страница 3: ...OBD2 unique is its universal application for all late model cars and trucks domestic and import This sophisticated program in the vehicle s main computer system is designed to detect failures in a ra...

Страница 4: ...y link to the vehicle s computer Easy To View The Diagnostic Tool retrieves stored codes Freeze Frame data and I M Monitor Status Codes I M Monitor Status and Freeze Frame data are displayed on the Di...

Страница 5: ...ne is running many parts such as the coolant fan pulleys fan belt etc turn at high speed To avoid serious injury always be aware of moving parts Keep a safe distance from these parts as well as other...

Страница 6: ...ors are highly flammable To prevent an explosion keep all sparks heated items and open flames away from the battery and fuel fuel vapors DO NOT SMOKE NEAR THE VEHICLE DURING TESTING Don t wear loose c...

Страница 7: ...ed States must be OBD2 compliant this includes all Domestic Asian and European vehicles Some 1994 and 1995 vehicles are OBD2 compliant To find out if a 1994 or 1995 vehicle is OBD2 compliant check the...

Страница 8: ...djustments After Battery Installation The first time the Diagnostic Tool is turned on you must select the desired display language English French or Spanish and unit of measurement USA or metric as fo...

Страница 9: ...3 DTC button Displays the DTC View screen and or scrolls the LCD display to view DTCs and Freeze Frame data 4 POWER LINK button When the Diagnostic Tool IS NOT connected to a vehicle turns the Diagnos...

Страница 10: ...roblem in one or more of the vehicle s systems The red LED is also used to show that DTC s are present DTCs are shown on the Diagnostic Tool s display In this case the Malfunction Indicator Check Engi...

Страница 11: ...LC A visible icon indicates that the Diagnostic Tool is being powered through the vehicle s DLC connector 4 Link icon Indicates whether or not the Diagnostic Tool is communicating linked with the vehi...

Страница 12: ...ING icon Indicates the currently displayed DTC is a Pending code 12 MIL icon Indicates the status of the Malfunction Indicator Lamp MIL The MIL icon is visible only when a DTC has commanded the MIL on...

Страница 13: ...l delivery and spark timing This made it difficult for vehicle manufacturers to meet the new standards A new Engine Control System had to be designed and integrated with the engine controls to meet th...

Страница 14: ...rature sensors throttle position sensors fuel injectors etc Sensors and switches are input devices They provide signals representing current engine operating conditions to the computer Actuators are o...

Страница 15: ...dashboard to alert the driver The indicator lights only when an emissions related problem is detected The computer also assigns a numeric code for each specific problem that it detects and stores the...

Страница 16: ...primary objective of the OBD2 system is to comply with the latest regulations and emissions standards established by CARB and the EPA The Main Objectives of the OBD2 System are To detect degraded and...

Страница 17: ...ch Monitor Some Monitors only require the ignition key to be turned On for them to run and complete their diagnostic testing Others may require a set of complex procedures such as starting the vehicle...

Страница 18: ...gine temperature rises at least 40 F 22 C from its temperature before starting and reaches at least 160 F 70 C The PCM uses warm up cycles as a counter to automatically erase a specific code and relat...

Страница 19: ...ection of the system that is malfunctioning P 0 2 0 1 B C P U Body Chassis Powertrain Network Generic Manufacturer Specific Generic P Codes and Manufacturer Specific B C and U Codes Includes both Gene...

Страница 20: ...MIL On when the failure is first found If the failure causes a severe misfire that may cause damage to the catalytic converter the MIL flashes once per second The MIL continues to flash as long as th...

Страница 21: ...sure the correct operation of the various emissions related components and systems a diagnostic program was developed and installed in the vehicle s on board computer The program has several procedure...

Страница 22: ...nputs and outputs from sensors actuators switches and other devices that provide a signal to the computer The Monitor checks for shorts opens out of range value functionality and rationality Rationali...

Страница 23: ...ily saves the fault in its memory as a Pending Code The MIL is not commanded on at this time If the fault is found again on the second trip under similar conditions of engine speed load and temperatur...

Страница 24: ...tures must be kept below 2500 F The EGR system recirculates small amounts of exhaust gas back into the intake manifold where it is mixed with the incoming air fuel mixture This reduces combustion temp...

Страница 25: ...the computer to enter closed loop operation the oxygen sensor must reach a temperature of at least 600 F The oxygen sensor heater helps the oxygen sensor reach and maintain its minimum operating tempe...

Страница 26: ...ork properly The Secondary Air System Monitor checks for component integrity and system operation and tests for faults in the system The computer runs this Monitor once per trip The Secondary Air Syst...

Страница 27: ...el greater than atmospheric pressure This increase in pressure helps to ensure compete combustion of the air fuel mixture The Boost Pressure System Monitor checks for component integrity and system op...

Страница 28: ...n vehicles only The PM Filter Monitor is a Two Trip Monitor If a fault is found on the first trip the computer temporarily saves the fault in its memory as a Pending Code The computer does not command...

Страница 29: ...Oxygen Sensor Monitor Once per trip 1 2 1 3 trips 40 Oxygen Sensor Heater Monitor Once per trip 1 2 1 3 trips 40 Exhaust Gas Recirculation EGR Monitor Once per trip 1 2 1 3 trips 40 Evaporative Emissi...

Страница 30: ...retrieve You can also provide this information to your mechanic to assist in diagnosis and help avoid costly and unnecessary repairs It is important for you to complete this form to help you and or y...

Страница 31: ...TALLS No symptoms Right after starting When shifting into gear During steady speed driving Right after vehicle comes to a stop While idling During acceleration When parking IDLING CONDITIONS No sympto...

Страница 32: ...rating With headlights on During acceleration Mostly driving downhill Mostly driving uphill Mostly driving level Mostly driving curvy roads Mostly driving rough roads DRIVING HABITS Mostly city drivin...

Страница 33: ...onnected Check the air filter ducts for holes rips or cracks Make sure all engine belts are in good condition Check for cracked torn brittle loose or missing belts Make sure mechanical linkages to eng...

Страница 34: ...32 3120d VEHICLE SERVICE MANUALS Always refer to the manufacturer s service manual for your vehicle before performing any test or repair procedures Contact your local car dealership auto parts store...

Страница 35: ...DLC See page 5 for connector location Some DLCs have a plastic cover that must be removed before connecting the Diagnostic Tool cable connector If the Diagnostic Tool is ON turn it OFF by pressing the...

Страница 36: ...turers The Diagnostic Tool automatically identifies the protocol type and establishes a communication link with the vehicle s computer 7 After approximately 10 60 seconds the Diagnostic Tool will retr...

Страница 37: ...on If the code being displayed is a PENDING code the PENDING icon is shown If the code being displayed is a PERMA NENT code the PERMANENT icon is shown The Diagnostic Trouble Code DTC and related code...

Страница 38: ...icons that are solid have run and completed their diagnostic testing Red LED Indicates there is a problem with one or more of the vehicle s systems The red LED is also used to indicate that DTC s are...

Страница 39: ...ine conditions at the time that the malfunction occurred is also saved in the vehicle s computer memory The record saved is called Freeze Frame data Saved engine conditions include but are not limited...

Страница 40: ...codes data any prior codes data in its memory are automatically cleared THE SYSTEM MENU The System Menu provides the ability to retrieve OEM enhanced DTCs and Anti Lock Brake System ABS DTCs from mos...

Страница 41: ...the M button to return to the Main Menu Enhanced DTCs are not available for your vehicle To view OEM Enhanced DTCs Select OEM Enhanced from the System Menu then choose the appropriate manufacturer if...

Страница 42: ...ements A visible icon indicates that the Diagnostic Tool is being powered through the vehicle s DLC connector The upper right hand corner of the display shows the number of the code currently being di...

Страница 43: ...the Diagnostic Tool returns to the Priority Code To view additional OEM enhanced DTCs repeat steps 1 through 4 above To exit the enhanced mode press the M button The Diagnostic Tool returns to the Ma...

Страница 44: ...OER test was selected press the ENTER button to continue Turn the steering wheel to the right then release Press and release the brake pedal Cycle the overdrive switch if equipped A One moment please...

Страница 45: ...esent in the vehicle s computer memory If no codes are present a No OEM En hanced DTC s are presently stored in the vehicle s computer is dis played Press the M button to return to the Main Menu 4 If...

Страница 46: ...nostic Tool is being powered through the vehicle s DLC connector The upper right hand corner of the display shows the number of the code currently being displayed the total number of codes retrieved T...

Страница 47: ...l returns to the Priority Code To view additional OEM enhanced DTCs repeat steps 1 through 4 above To exit the enhanced mode press the M button The Diagnostic Tool returns to the Main Menu screen Hond...

Страница 48: ...orner of the code display area to indicate the presence of additional information Use the and buttons as necessary to view the additional information The Diagnostic Tool will display a code only if co...

Страница 49: ...l fails to link to the vehicle s computer a Linking Failed message shows on the Diagnostic Tool s display Verify the ignition is ON then press the POWER LINK button to continue 2 To read the display R...

Страница 50: ...the vehicle s computer disconnects To re establish communication press the POWER LINK button again 4 When the last retrieved DTC has been displayed and the DTC button is pressed the Diagnostic Tool re...

Страница 51: ...hicle s computer memory If no codes are present a No OEM En hanced DTC s are presently stored in the vehicle s computer is dis played Press the M button to return to the Enhanced menu 3 If more than o...

Страница 52: ...definition for the currently displayed code is not available an advisory message shows on the Diagnostic Tool s LCD display I M MONITOR STATUS icons are not displayed when viewing ABS DTCs In the cas...

Страница 53: ...the I M Readiness Monitor Status program resets the status of all Monitors to a not run flashing condition To set all of the Monitors to a DONE status an OBD2 Drive Cycle must be performed Refer to yo...

Страница 54: ...ram requires that a vehicle be taken periodically to an Emissions Station for an Emissions Test or Smog Check where the emissions related components and systems are inspected and tested for proper ope...

Страница 55: ...ytic Converter EGR Valve Fuel System etc to ensure their proper operation Currently there are a maximum of fifteen Monitors available for use Each Monitor has a specific function to test and diagnose...

Страница 56: ...vehicle is allowed to be Emissions Tested Smog Checked is that the vehicle does not have any Diagnostic Trouble Codes present with the exception of PENDING Diagnostic Trouble Codes 2 In addition to t...

Страница 57: ...heck to be performed if the only code in the vehicle s computer is a PENDING Diagnostic Trouble Code If the illumination of the Yellow LED is being caused by monitors that have not run their diagnosti...

Страница 58: ...repaired before the vehicle is ready for an Emissions Test Smog Check Using the I M Readiness Monitor Status to Confirm a Repair The I M Readiness Monitor Status function can be used after repair of a...

Страница 59: ...n the MIL on the vehicle s dash is not lit and no stored or pending codes associated with that particular Monitor are present in the vehicle s computer the repair was successful If after the Monitor h...

Страница 60: ...ction Internet Explorer 5 5 Netscape 7 0 or Firefox 1 0 browser Accessing RepairSolutions 1 Link your Diagnostic Tool to a vehicle and retrieve diagnostic data 2 Select the Support tab then choose Tro...

Страница 61: ...Module The Power Module is located in the engine compartment near the vehicle s battery 1987 90 This system is called a Single Module Engine Controller SMEC This system still uses two separate circui...

Страница 62: ...vehicle s instrument panel has either a Power Loss Check Engine or Malfunction Indicator Lamp depending on the year of the vehicle These lights are designed to warn you of component malfunctions POWE...

Страница 63: ...ALWAYS observe safety precautions whenever working on a vehicle See Safety Precautions on page 3 for more informa tion 1 Locate the vehicle s Data Link Connector DLC See Data Link Connector DLC on pa...

Страница 64: ...not responding message shows on the Diagnostic Tool s LCD display Do the following Verify the ignition is ON Check the cable connections at the Diagnostic Tool and at the vehicle s DLC Turn the ignit...

Страница 65: ...re linked to a vehicle to retrieve codes any prior codes in its memory are automatically cleared 12 Follow the testing and repair procedures outlined in the vehicle s service repair manual to correct...

Страница 66: ...epair manual for procedures to erase DTCs If the erase was not successful an advisory message shows on the LCD display Verify that the Diagnostic Tool is properly connected to the vehicle s DLC and th...

Страница 67: ...being caused by a defect in the circuit or by the sensors or actuators themselves Keep this in mind when servicing fault codes and do not replace any devices sensors or actuators before checking the c...

Страница 68: ...le Taurus Tempo Topaz VIN 1 Taurus models are Flexible Fuel 3 8L V 6 3 4 C R CFI EFI SFI Capri Continental Cougar LTD Marquis Mustang Sable T Bird Taurus 4 6L V 8 W V SEFI Crown Victoria Grand Marquis...

Страница 69: ...Super Charged SEFI Sequential Electronic Fuel Injection SFI Sequential Fuel Injection SHO Super High Output TRUCKS VANS Ford Computer System Tool Application Table The following table lists the year a...

Страница 70: ...numbers are usually stamped on top of the carbure tor or on a metal tab attached to the carburetor Consult your vehicle s repair manual for proper identification VIN Number The VIN number s used in t...

Страница 71: ...t test connector for computer service codes use If you have any questions about the correct connector please refer to your vehicle s service manual for detailed information DIAGNOSTIC TROUBLE CODES DT...

Страница 72: ...gned to run continuously whenever the vehicle is normal operation If a fault is detected by the Continuous Memory Self Test a fault code is saved in the vehicle s computer memory for later retrieval F...

Страница 73: ...ode The second group of codes are called Continuous Memory codes A CM icon will show in the upper right corner of the LCD display to indicate that the code retrieved is a Continuous Memory code Check...

Страница 74: ...ch in premium position 7 Press the ENTER button to continue 8 While codes are being retrieved a One moment please KOEO test is in progress message shows on the Diagnostic Tool s LCD display As soon as...

Страница 75: ...are found during the KOEO Self Test the computer sends a PASS code code 11 or 111 to the Tool If no Continuous Memory codes are present in the vehicle s computer memory the Diagnostic Tool will displa...

Страница 76: ...mory Fault Codes Do not proceed to the ignition timing check procedure or the KOER test until a PASS code code 11 or 111 for KOEO test is obtained Engine Timing Check Before performing the KOER Self T...

Страница 77: ...Menu displays Use the and buttons as necessary to make menu selections 3 From the Ford OBD1 Menu highlight Timing Check then press the ENTER button The Select Model Year screen displays 4 From the Se...

Страница 78: ...manual to check the ignition timing with a timing light and ensure that it is 20 above the specified base timing value 3 Example If base timing specification is 10 BTDC the acceptable timing light re...

Страница 79: ...s Data Link Connector DLC See TEST CONNECTORS on page 68 for connector location Some DLCs have a plastic cover that must be removed before connecting the Diagnostic Tool s cable connector 2 Connect th...

Страница 80: ...the M button to exit and repeat the Key On Engine Off KOEO test page 71 until DTC 11 or 111 displays 8 Perform the following procedures when prompted by the message on the Diagnostic Tool s display T...

Страница 81: ...r sends a PASS code code 11 or 111 to the Diagnostic Tool Code 11 or 111 indicates that all the relays and actuators and their related circuits that were tested during the KOER Self Test are OK and no...

Страница 82: ...not contributing at all SEFI Introduction Sequential Electronic Fuel Injection SEFI belongs to a family of fuel injection systems called Multi port Multipoint Fuel Injection Multi port MFI fuel inject...

Страница 83: ...cle is not equipped with Sequential Electronic Fuel Injection SEFI press the M button to exit Otherwise press the ENTER button to continue 4 Start and warm up engine to normal operating temperature Pr...

Страница 84: ...the test two more times to properly determine which cylinder or cylinders are malfunctioning If this is the case the Diagnostic Tool will display the Lightly press the accelerator half way and releas...

Страница 85: ...Cable Adaptor attached to the Diagnostic Tool then connect the adaptor to the vehicle s DLC Press the POWER LINK button to turn the Diagnostic Tool ON then press the ENTER button to continue The Ford...

Страница 86: ...ol fails to link to the vehicle s computer a Vehicle is not responding message shows on the Diagnostic Tool s LCD display Do the following Verify the ignition is ON Check the cable connections at the...

Страница 87: ...off when de energized 14 If an actuator is not responding to the Output State Check follow the procedures described in the vehicle s service manual to check computer actuator output circuit voltages a...

Страница 88: ...ON then press the ENTER button to continue The Ford OBD1 menu displays Use the and buttons as necessary to make menu selections 3 From the Ford OBD1 menu highlight Wiggle Test then press the ENTER but...

Страница 89: ...ed procedures in step 6 if appropriate for your vehicle BEFORE turning the ignition ON Press ENTER button to continue If the Diagnostic Tool cannot link to the vehicle s computer after three attempts...

Страница 90: ...r specific data where applicable is also erased If you plan to take the vehicle to a service center for repair DO NOT erase the codes from the vehicle s computer If the codes are erased valuable infor...

Страница 91: ...cess still does not complete turn the ignition OFF wait 10 seconds then turn back ON and repeat steps 2 and 3 If the erase process fails after three attempts the message Contact Technical Support disp...

Страница 92: ...l Dorado Fleetwood Seville Chevrolet Beretta Camaro Caprice Cavalier Celebrity Chevette Citation Corsica Corvette El Camino Impala Lumina Monte Carlo Oldsmobile Achieva Calais Custom Cruiser Cutlass C...

Страница 93: ...t panel has a Malfunction Indicator Light MIL also called the Check Engine or Service Engine soon light The MIL is an indicator to warn the vehicle operator of a problem in the computer control system...

Страница 94: ...part based only on the DTC definition Each DTC has a set of testing procedures instructions and flow charts that must be followed to confirm the location of the problem This information is found in t...

Страница 95: ...o step 5 to continue To retrieve DTCs from a new vehicle From the GM OBD1 menu highlight Select New Vehicle and press the ENTER button the Select Vehicle Year menu displays Highlight the desired year...

Страница 96: ...he ignition is ON Check the cable connections at the Diagnostic Tool and at the vehicle s DLC Turn the ignition OFF wait 10 12 seconds then turn back ON to reset the computer Press the ENTER button an...

Страница 97: ...the Diagnostic Tool is re linked to a vehicle to retrieve codes any prior codes in its memory are automatically cleared 10 Follow the testing and repair procedures outlined in the vehicle s service re...

Страница 98: ...firmation message shows on the Diagnostic Tool s LCD display Press the ENTER button to exit Due to the differences in computer systems the Diagnostic Tool can be used to erase codes for some vehicles...

Страница 99: ...ort for assistance Erasing DTCs does not fix the problem s that caused the code s to be set If proper repairs to correct the problem that caused the code s to be set are not made the code s will appea...

Страница 100: ...ts a failure in any one of these components or systems it alerts the driver by illuminating the Check Engine light on the dash The computer also assigns a numeric code OBD I systems utilized a 2 or 3...

Страница 101: ...C 1 1993 ES 300 3 0L 3VZ FE DOHC 1 1993 GS 300 3 0L 2JZ GE DOHC 1 1993 LS 400 4 0L 1UZ FE DOHC 1 1993 MR2 2 0L 3S GTE DOHC Turbo 1 1993 MR2 2 2L 5S FE DOHC 1 1994 MR2 2 0L 3S GTE DOHC Turbo 1 1994 MR2...

Страница 102: ...L 3VZ FE DOHC 2 1992 SC 400 4 0L 1UZ FE DOHC 2 1991 LS 400 4 0L 1UZ FE DOHC 2 1992 LS 400 4 0L 1UZ FE DOHC 2 1993 SC 400 4 0L 1UZ FE DOHC 2 1994 SC 400 4 0L 1UZ FE DOHC 2 1994 SC 300 3 0L 2JZ GE DOHC...

Страница 103: ...ually black or gray in color The connector is located under the hood engine compartment in the following general locations Front corner right or left Fender well right or left Fire wall right or left...

Страница 104: ...tored in the vehicle s computer memory for each fault detected A Diagnostic Tool or Scanner can be used to retrieve DTCs that are stored in the vehicle s computer memory Intermittent History DTCs Inte...

Страница 105: ...nu displays 3 To view codes in the Diagnostic Tool s memory Use the UP and DOWN buttons as necessary to highlight Review DTCs then press the ENTER button 4 To retrieve codes from the vehicle s compute...

Страница 106: ...nect the Diagnostic Tool Contact Technical Support for assistance 8 If the Diagnostic Tool was able to link to the vehicle successfully a Code retrieval was successful message shows temporarily on the...

Страница 107: ...from the vehicle s computer If the codes are erased valuable information that might help the technician troubleshoot the problem will also be erased Erase DTC s from the computer s memory as follows 1...

Страница 108: ...m commands coolant tem perature calculated load value fuel pressure vehicle speed air flow rate and intake manifold pressure If more than one malfunction is present that causes more than one DTC to be...

Страница 109: ...ensor Test function lets you retrieve and view O2 sensor monitor test results for the most recently completed tests from your vehicle s on board computer Vehicles are equipped with multiple O2 sensors...

Страница 110: ...supported by the vehicle under test an advisory message shows on the Diagnostic Tool s display Press the M button to return to the System Test Menu 3 Use the UP and DOWN buttons as necessary to highl...

Страница 111: ...inuous tests are not supported by the vehicle under test an advisory message shows on the Diagnostic Tool s display Press the M button to return to the Mode Selection menu 3 Use the UP and DOWN button...

Страница 112: ...puter Some vehicle manufacturers do not allow Diagnostic Tools or other external devices to control vehicle systems If the EVAP Leak Test is not supported by the vehicle under test an advisory message...

Страница 113: ...e the UP and DOWN buttons as necessary to highlight Vehicle ID then press the ENTER button 4 A One moment please message displays while the requested information is retrieved from the vehicle s comput...

Страница 114: ...ported by the vehicle under test Two values are returned for each monitor the number of times that all conditions necessary for a specific monitor to detect a malfunction have been encountered XXXCOND...

Страница 115: ...he Diagnostic Tool to locate the definition for a specified OBD1 DTC 1 With the Diagnostic Tool in OBD2 mode press and release the M button The Main Menu displays 2 Use the UP and DOWN buttons as nece...

Страница 116: ...ted all the DTC digits press the ENTER button to view the DTC definition If a definition for the DTC you entered is not available an advisory message shows on the Diagnostic Tool s display 8 If you wi...

Страница 117: ...eneric DTC DTCs that start with P0 P2 and some P3 The selected DTC and DTC definition if available show on the Diagnostic Tool s display If a definition for the DTC you entered is not available an adv...

Страница 118: ...button The Firmware Version screen displays The screen shows the Diagnostic Tool s current firmware version bootloader version and database version 3 Press the M button to return to the Tool Setting M...

Страница 119: ...ghlight Adjust Brightness in the Tool Setting Menu then press the ENTER button The Adjust Brightness screen displays The Brightness field shows the current brightness setting from 1 to 4 2 Press the U...

Страница 120: ...splay returns to the Tool Setting Menu and the backlight turns on or off as selected Selecting the Display Language 1 Use the UP and DOWN buttons as necessary to highlight Select Language in the Tool...

Страница 121: ...P and DOWN buttons as necessary to highlight the desired Unit of Measurement 3 When the desired Unit of Measurement value is selected press the ENTER button to save your changes and return to the Tool...

Страница 122: ...displays Replace the batteries before con tinuing 2 To view DTCs in the Diagnostic Tool s memory press the DTC button The Diagnostic Tool displays the priority DTC If there are no OBD2 DTCs currently...

Страница 123: ...C F XXXX X Catalyst Temperature Bank 1 Sensor 2 CAT Temp 21 C F XXXX X Catalyst Temperature Bank 2 Sensor 1 CAT Temp 22 C F XXXX X Catalyst Temperature Bank 2 Sensor 2 Command EGR XXX X Commanded EGR...

Страница 124: ...m 1 Status Fuel Sys 1 OL Fault Fuel System 1 Status Fuel Sys 1 CL Fault Fuel System 1 Status Fuel Sys 2 OL Fuel System 2 Status Fuel Sys 2 CL Fuel System 2 Status Fuel Sys 2 OL Drive Fuel System 2 Sta...

Страница 125: ...or 3 O2S B2 S3 mA mA X XXX Bank 2 Sensor 3 O2S Current O2S B2 S3 V V X XXX Bank 2 Sensor 3 O2S Voltage O2S B2 S4 V X XXX Bank 2 Sensor 4 O2S B2 S4 mA mA X XXX Bank 2 Sensor 4 O2S Current O2S B2 S4 V V...

Страница 126: ...ts PTO Status On Off Power Take Off Status Rel TPS XXX X Relative Throttle Position Spark Adv deg XX Ignition Timing Advance 1 Cylinder STFT B1 XXX X Short Term Fuel Trim Bank 1 STFT B1 S1 XXX X Bank...

Страница 127: ...Generic Global OBD2 PID List 3120d 125 Tool Display Unit Value PID Description Veh Speed km h mph XXX XXX Vehicle Speed Sensor Warm up DTC Clr XXX Warm ups since DTC Cleared...

Страница 128: ...S COVERED The Diagnostic Tool has the ability to retrieve and erase ABS codes Vehicle Makes supported by the Diagnostic Tool are shown below BUICK JEEP CADILLAC LEXUS CHEVROLET LINCOLN CHRYSLER MERCUR...

Страница 129: ...ncy EVAP Evaporative Emissions System Fault Code See DTCs Freeze Frame A digital representation of engine and or emissions system conditions present when a fault code was recorded FTP Fuel Tank Pressu...

Страница 130: ...on the second trip the code is automatically erased PID Parameter Identification STFT Short Term Fuel Trim is a program in the vehicle s computer designed to add or subtract fuel from the vehicle to c...

Страница 131: ...improper voltage service fire flood lightning or other acts of God or if the product was altered or repaired by anyone other than the Manufacturer s Service Center The Manufacturer under no circumstan...

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