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iv

ToC

Section 7 – Chrysler Diagnostics

Manual Info  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Read Codes   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Read Temporary Codes  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Erase Codes  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
View Data   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
Record Data   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
Switch Test  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
Actuator Test   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Idle Speed Test  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Sensor Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Controller Info   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Reset EMR Lamp   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Set Basic Time  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Review DATA   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11
Print Data   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
Code Lookup   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12

Section 8 – Help & Troubleshooting

How to Use On-Line Help   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Scan Tool Does Not Power Up  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

Using Non-OBD II Adapter Cables   . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 8-1
Using J1962 (OBD II) or Chrysler LH Adapter Cable . . . . . . . . . . . . . .  . 8-1

Error Messages   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

Vehicle Communication Fault   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 8-2
Operating Error or Erroneous Data   . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 8-2

Battery Replacement  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
Tool Self-Tests  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

Display Test  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 8-4
Keyboard Test  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 8-4
Memory Test   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 8-5
Printer Test   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 8-5

Program Mode   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Technical Support   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6

Appendix A – Data Link Connectors

Appendix B – Glossary

Summary of Contents for Professional Enhanced Scan Tool 9640A

Page 1: ...9640AProfessional Enhanced Scan Tool User s Manual...

Page 2: ...l No SW ID HW Ver Boot Ver Prod ID Board ID Burn Date Burn Loc Copyright Information Copyright 2003 Actron Manufacturing Inc All rights reserved The information specifications and illustrations in thi...

Page 3: ...ing Started Section 3 Using The Scan Tool Section 4 Global OBD II Diagnostics Section 5 GM Diagnostics Section 6 Ford Diagnostics Section 7 Chrysler Diagnostics Section 8 Help Troubleshooting Appendix...

Page 4: ......

Page 5: ...ing the hazard level The types of safety messages are Indicates an imminently hazardous situation which if not avoided will result in death or serious injury to the operator or to bystanders Indicates...

Page 6: ...leads to battery Be sure ignition is OFF headlights and other accessories are OFF and vehicle doors are closed before disconnect ing battery cables This also helps prevent damage to on board computer...

Page 7: ...h hot exhaust systems manifolds engines radiators sample probe etc Wear insulated gloves when handling hot engine compo nents Tester leads can become hot after extended testing in close proximity to m...

Page 8: ...e connecting or disconnect ing connectors or any vehicle electrical terminals Do not create a short between battery terminals with a jumper wire or tools Improper equipment use can cause equipment or...

Page 9: ...OBD II J1962 2 3 Ford Historic 2 4 GM Historic 2 6 Chrysler Historic 2 7 Diagnostic Trouble Codes DTCs 2 7 Section 3 Using The Scan Tool The Scan Tool 3 1 Specifications 3 2 Accessories 3 2 Display 3...

Page 10: ...12 Printing Playback Data 4 13 Code Lookup 4 14 Section 5 GM Diagnostics GM Historic OBD I Diagnostics 5 1 Manual Info 5 1 Read Codes 5 1 Erase Codes 5 2 View Data 5 3 Record Data 5 4 Review Data 5 5...

Page 11: ...R Test Mode EEC IV MECS and MCU Vehicles 6 12 Code Lookup 6 14 Print Data 6 14 DCL Data Functions EEC IV Vehicles 6 15 Ford Enhanced OBD II Diagnostics 6 18 Manual Info 6 18 I M Readiness 6 18 Read MI...

Page 12: ...a 7 12 Code Lookup 7 12 Section 8 Help Troubleshooting How to Use On Line Help 8 1 Scan Tool Does Not Power Up 8 1 Using Non OBD II Adapter Cables 8 1 Using J1962 OBD II or Chrysler LH Adapter Cable 8...

Page 13: ...formation that applies to specific equipment Each tip is introduced by this icon for easy identification Example Observe all vehicle and or equipment manufacturer s cautions and warn ings when testing...

Page 14: ...tions of the manual References include the Title and page number section page Example For more information on DTCs refer to Diagnostic Link Connectors DLC on page 2 3 Screens Certain Help messages inf...

Page 15: ...ning electronic engine control diagnostic information Some manuals may be available at auto parts stores or your local public library For others you need to write for avail ability and pricing specify...

Page 16: ...Board Diagnostics System Long Name Years Description MCU Microprocessor Control Unit 1980 1991 Used in police vehicles containing carbureted engines Uses the MCU DLC EEC IV Electronic Engine Control F...

Page 17: ...pending on the vehi cle SAE publishes recommendations not laws but the Environmental Protection Agency EPA and California Air Resources Board CARB made many of SAE s recommendations legal requirements...

Page 18: ...Data Link Connectors for the adapter cable needed for your vehicle Use the Battery Power cable to provide power to the scan tool for all systems EEC IV MCU The EEC IV MCU DLC is a large six sided conn...

Page 19: ...17 pin DLC The MECS adapter cable kit is not included with this tool It is available through your dealer Use the following diagrams to connect the adapter cable 6 Pin MECS 17 Pin MECS STI Pigtail 4 5...

Page 20: ...le is included with the scan too In 1994 and 1995 certain GM vehicles use the J1962 OBD II DLC but are not OBD II compliant Refer to Appendix A Data Link Connectors Use the Battery Power cable to prov...

Page 21: ...5 is optional and must be purchased separately DIAGNOSTIC TROUBLE CODES DTCS Diagnostic Trouble Codes DTCs consist of a five digit alphanumeric code The DTC format and general code types are shown bel...

Page 22: ...Idle Speed Con trol Auxiliary Inputs P0600 P06FF Computer and Auxiliary Out puts P0700 P09FF Transmission P0A00 P0AFF Hybrid Propulsion P1000 P10FF Manufacturer Control Fuel Air Metering Auxiliary Emi...

Page 23: ...line x 20 character with contrast adjustment F BACK key goes to the previous screen or level G UP DOWN arrows scrolls UP or DOWN and moves the selection pointer LEFT RIGHT arrows selects responses an...

Page 24: ...67 8 00 6 00 EST Monday Friday or send an email to tech_support actron com Display The scan tool uses a 4 line by 20 character back lit Liquid Crystal Display LCD The large viewing area displays messa...

Page 25: ...he OBD II J1962 or Chrysler LH adapter cables the power to the tool comes from vehicle Data Link Connector DLC All other vehicles will require power connection to the cigarette lighter accessory plug...

Page 26: ...ner of the display when the beeper is off Tool Information This function allows you to view specific tool information that may be needed when contacting customer service Select Tool Information with t...

Page 27: ...sonic printers ensure the printer s interface selection is set to either auto or serial The printer and scan tool must have the same communication settings You can change the scan tool s settings if n...

Page 28: ...d connected to the tool Press the ENTER key to begin printing If the printout is not OK then retry or change settings If it is press ENTER and the data transmits and prints A printout of the test look...

Page 29: ...e Diagnosis to begin Vehi cle Selection If there is a previous vehi cle present the tool displays that vehicle You can choose the last vehicle selected or setup for a new vehicle The tool retains all...

Page 30: ...ers use different VIN schemes the tool will indicate which digit of the VIN to locate for informa tion such as Year Make and Engine Use UP DOWN arrow keys to move through the list If you make a mistak...

Page 31: ...e such as viewing data use the UP DOWN arrow keys to move the cur sor down to View Data and press ENTER User Responses The scan tool may ask a question which requires a YES or NO response brackets enc...

Page 32: ...EFT arrow Deselects all marked data parameters ENTER key Starts playing back data recording data or displaying selected data parameters Once in the Custom Data List selection screens follow the instru...

Page 33: ...e operated under certain driving conditions to initiate a monitor If the vehicle loses electrical power or codes are erased the monitors may be cleared This function can be performed with the key ON e...

Page 34: ...his function can be performed with the KOEO or KOER These codes cause the computer to illuminate the Malfunction Indicator Lamp MIL when an emission related or driveability fault occurs The MIL is als...

Page 35: ...s Read Codes Use the UP DOWN arrow keys to view the pending DTC s Press BACK to return to the OBDII Function List ERASE CODES The Erase Codes function deletes the DTCs from the vehicle s computer mem...

Page 36: ...sly transmitted to the scan tool Apart from Read Codes View Data is the most useful diagnostic function for isolating the cause of a vehi cle operation problem Viewing data is also used for observing...

Page 37: ...curs certain vehicle conditions are recorded by the on board computer This information is referred to as a Freeze Frame data The information is a snapshot of the operating conditions at the time of a...

Page 38: ...nstream of the next catalyst has the suffix x4 For example O2S 21 is the upstream O2 sensor for cylinder bank 2 The following O2 sensor tests are available 1 Rich to Lean sensor threshold voltage 2 Le...

Page 39: ...IDs and definitions Test results requested by the scan tool may also include test limits Only one test limit is included in the response message and displayed on the screen The test limit could be ei...

Page 40: ...to drive and the other to attend to the equipment Select Record Data from the OBDII Function List and press ENTER Fol low all instructions on the display The scan tool asks the vehicle to pro vide th...

Page 41: ...cording before erasing it The scan tool recording time varies A recording consists of 5 frames of data prior to the trigger and several frames after the trigger The amount of PIDs recorded determine t...

Page 42: ...MODULES PRESENT The Scan Tool displays the vehicle s module IDs and communication type Select Modules Present from the OBDII Function List and press ENTER After viewing the list press ENTER to return...

Page 43: ...ate data recorded before the trigger event Positive frames and timestamps indicate data recorded after the trigger event Use the UP DOWN arrow keys to view the recorded PID data of each frame The end...

Page 44: ...t select the data to be printed and press ENTER The scan tool displays the menu of those functions that store data and can be printed Make sure the printer is turned on on line and connected When the...

Page 45: ...starts transmitting to the printer frame by frame After all the frames have been sent press ENTER to return to the Select Print Data screen Press the BACK key to return to the OBDII Function List A p...

Page 46: ...N arrow keys to dis play the previous or next DTC The DTCs for the code type selected i e P B C or U are listed in numerical order To enter another DTC number press the BACK key Press the BACK key aga...

Page 47: ...s Prior to 1986 all codes were referred as Current Codes From 1986 through 1995 both codes were used as the PCM was able to differentiate them The tool automatically displays the type of codes that pe...

Page 48: ...be removed by repairing the faults that caused them Therefore these codes will remain in the vehicle s memory until the condition is repaired Not all trouble codes can be automatically erased using t...

Page 49: ...vehicle Parameter Identi fication Data PIDs in real time As the PCM monitors PIDs they are simulta neously transmitted to the scan tool The PIDs are continuously updated at the PCM s rate In addition...

Page 50: ...from the GM Func tion List and press ENTER Follow all instructions on the display The tool can maintain only one recording at a time Be sure to thoroughly review the old recording before erasing it N...

Page 51: ...and press ENTER DTC Codes The DTC Codes function is used to review DTCs stored in the tools memory after performing the Read Codes Select DTC Codes from the Review Data screen and press ENTER Codes wi...

Page 52: ...a recorded after trigger to data recorded before This is normal The LEFT RIGHT arrows may be used to scroll through all time intervals in either direction Some vehicles will wait 3 to 4 minutes after...

Page 53: ...ed Pressing ENTER will toggle the short to Pins A B On and Off Continue with either the KOEO procedure or KOER procedure When done press FUNC to return to the GM Function List While in Field Service m...

Page 54: ...Verify engine is cold If engine is hot or warm allow it to cool 3 On scan tool place Field Service On 4 Start engine and place transmission in Park or Neutral The Check Engine light will flash once 5...

Page 55: ...the manual to use This section covers GM Enhanced OBD II Diag nostics I M Readiness Refer to I M Readiness on page 4 1 of Global OBD II Diagnostics Read Codes The Read Codes function retrieves Diagno...

Page 56: ...n List Use the UP DOWN arrow keys to view the DTCs Use the LEFT RIGHT arrow keys to toggle the DTC definition and status screen Press FUNC to return to the GM Function List Pending Codes Refer to Pend...

Page 57: ...king a selection press ENTER to establish a communication link Mul tiple PIDs may be sent if the vehicle is equipped with more than one computer module Powertrain Control Module PCM Transmission Contr...

Page 58: ...GHTarrowkeydisplays the DTC definition Use the UP DOWN arrow keys to view each DTC definition Pressing the BACK or LEFT arrow key exits to the Freeze Data for screen The cursor is positioned in front...

Page 59: ...s Some GM trucks manufactured in 1996 1998 have only one PID group For these vehicles the selection menu does not appear Vehicle Info Refer to Vehicle Info on page 4 9 of Global OBD II Diagnostics Rev...

Page 60: ...GM Enhanced OBD II Diagnostics 5 14 5...

Page 61: ...e This section covers Ford Historic Self Test Routines Read KOEO Codes The Read KOEO Codes function activates the KOEO Key On Engine Off and Continuous Memory self tests which retrieves KOEO and Conti...

Page 62: ...the tool to retrieve DTCs When the test is done turn Ign Key OFF and press ENTER The KOEO codes transmit before the Continuous Memory codes Use the DOWN arrow key to begin viewing codes If no problems...

Page 63: ...icles do not support Fast Codes Exhaust gases are harmful or lethal Always Operate vehicle in a well ventilated area The KOER test is done with the engine running Do not over rev engine Observe all sa...

Page 64: ...is option of the KOER Read Codes function allows you to check both the Base engine timing no computer adjustment and the ability of the computer to control spark advance This does not apply to 7 3L di...

Page 65: ...eading DTCs reviewing the codes is possible even after returning to the Ford Function List The codes acquired during the KOEO and KOER tests are stored in the Scan Tool s memory This is a safeguard to...

Page 66: ...Ford Function List and press ENTER Press ENTER after each message Follow all instructions on the display 1 Turn Ign Key Off 2 Transmission In Park Or Neutral 3 Wait 10 Seconds 4 Turn Ign Key On Press...

Page 67: ...applicable vehicle service manual for circuits that can be tested If the Audio Alert was turned off in the tool Setup menu it will be auto matically activated for the Wiggle Test Once the Wiggle Test...

Page 68: ...le test After making all repairs perform Erase Codes on page 6 6 to clear the mem ory Output Switch Test EEC IV Vehicles The Output Sw Switch Test also known as the Output State Check is used to check...

Page 69: ...park plugs damaged fuel injectors and other cylinder faults The PCM shuts off the fuel supply to each cylinder and measures the RPM drop The PCM then cal culates variations between cylinders thus iden...

Page 70: ...tool prompts the user to depress the Throttle Halfway and release within the next 1 5 minutes Press ENTER to continue Do not move the throttle If the throttle was moved the tool displays an error mess...

Page 71: ...EO Codes from the sub menu and press ENTER Follow the instructions on the tool screen These instructions will prompt the user to 1 Set Parking Brake 2 Put Transmission In Park Or Neutral 3 Turn A C Of...

Page 72: ...se steps may set DTCs in the PCM Be sure to observe the tool display for indica tions to perform these steps Do not touch the throttle pedal during testing The user will be reminded of this by the sca...

Page 73: ...number of LOWs for the digit A short HIGH short pause occurs between digits A long HIGH long pause occurs between codes There is no flash for the digit 0 zero After all codes are sent the series will...

Page 74: ...efinition may be available for the DTC number entered Use the UP DOWN arrow keys to view them If the definition does not exist for the vehicle then a message displays Press ENTER to return to the Look...

Page 75: ...selecting the Entire Data List or Custom Data List press ENTER Once the communicationlinkhasbeen established start the engine andlet idle The tool displays either the Entire or Custom Data List depen...

Page 76: ...applicable data parameters will be recorded for the vehicle When the recording is in progress the screen to the right is displayed When the recording is complete the tool will prompt the user to play...

Page 77: ...e LEFT arrow key goes back to the previous frame again wrapping around to the final frame After reaching the last time interval recorded The Time display will change from data recorded after trigger t...

Page 78: ...function instructs the user what section of the manual to use This section covers Ford Enhanced OBD II Diagnostics I M Readiness Refer to I M Readiness on page 4 1 of Global OBD II Diagnostics Read MI...

Page 79: ...Erase Codes on page 4 3 of Global OBD II Diagnostics Perform this KOEO After erasing the DTCs verify new ones have not been set using the Read All DTC function View Data The View Data function allows...

Page 80: ...Module PCM Transmission Control Module TCM etc The scan tool identifies them by their identification names ID assigned by the manufacturer i e 40 or 1F If the Scan Tool receives multiple responses for...

Page 81: ...nctional test of the computer modules and sys tem with the Key ON Engine OFF KOEO It tests the inputs outputs and sensor ranges Any faults or DTCs will be retrieved by the scan tool It is VERY IMPORTA...

Page 82: ...from the Quick Tests screen and press ENTER Exhaust gases are harmful or FATAL Always operate vehicle in a well ventilated area Keep Hands and tools away from fan and engine during test Perform each...

Page 83: ...re NOT energized by this test Select KOEO Output State from the Quick Tests screen and press ENTER Follow the scan tool s instructions 1 Set Parking Brake 2 Put Transmission In Park Or Neu tral 3 Turn...

Page 84: ...injector is ener gized Press the FUNC key to return to the Ford Function List or BACK to return to the Quick Tests screen KOER Glow Plug The KOER Glow Plug is an on demand test which activates the glo...

Page 85: ...est is done with the engine running Set the parking brake and place the transmission in DRIVE Automatic Transmissions only Do not over rev engine Observe all safety precautions Select KOER Cyl Cont fr...

Page 86: ...by the scan tool 1 Release parking brake set and release again 2 Press speed control ON OFF SET COAST RESUME buttons 3 Press Transmission Control Overdrive switch or Clutch 4 Depress and release brake...

Page 87: ...formation Man Trans Info viewing of manual transmission information A C Info viewing of air conditioning information Vehicle Info Refer to Vehicle Info on page 4 9 of Global OBD II Diagnostics Review...

Page 88: ...Ford Enhanced OBD II Diagnostics 6 28 6...

Page 89: ...lobal OBD II Diagnostics Screens and functions may differ slightly for vehicle make and year MANUAL INFO Instructs the user what section of the manual to use This section covers Chrysler Diagnostics R...

Page 90: ...ules The function enables the tool to retrieve and display all DTCs that failed one trip but did not turn on the MIL light If the vehicle does not support this function then the tool will not display...

Page 91: ...er mem ory Perform this function only after the systems have been checked completely and DTCs have been documented This function should be performed KOEO Do not START engine After servicing the vehicl...

Page 92: ...ing 3 Put Transmission In Park Or Neutral Press ENTER when done Keep hands and Tools away from fan and engine during test On 1999 and newer vehicles a screen may ask you to select Engine Data or Trans...

Page 93: ...it If arecordingcurrently exists inmemory a message to Erase Old Recording is displayed The tool stores only one recording at a time so be sure review it before erasing it On 1999 and newer vehicles a...

Page 94: ...to display recorded data SWITCH TEST The Switch Test is used to test the operation of switches on various Chrysler vehicle systems These systems may include cruise control A C braking and the shift le...

Page 95: ...The tool will not allow the test of actuators not present on the vehicle Some Actuator Tests may activate the fuel pump Do not disconnect any fuel lines or remove fuel injectors unless it is required...

Page 96: ...t Carbon monoxide CO and other vehicle emissions are harmful or fatal to personnel Always operate vehicle in a well ventilated area Use the UP DOWN arrow keys to change the Ideal RPM engine speed The...

Page 97: ...from the Chrysler Functions list and press ENTER Turn ignition key On Engine can be Off or Running Press ENTER and the scan tool will build the Controller Info list After retrieving the Controller Inf...

Page 98: ...engine during test Connect a strobe timing light and perform ALL steps as prompted by the tool screens as follows 1 Set the Parking Brake 2 Transmission in park P or neutral N 3 Turn A C Off 4 Start...

Page 99: ...ere ran The Playback function is used to play back a recording This function is very similar to View Data The only difference is that View Data is a real time viewing of PIDs while Playback is a viewi...

Page 100: ...recording when the symptom is observed When done press BACK to return to Review Data or press FUNC to return to the Chrysler Functions menu PRINT DATA This function allows you to print recorded data s...

Page 101: ...een If the SAE code was entered then you can use the UP DOWN arrow keys to display the previous or next DTC The DTCs for the code type selected i e P B C or U are listed in numerical order To enter an...

Page 102: ...Chrysler Diagnostics 7 14 7...

Page 103: ...ectly in any other way then try these Trouble shooting Tips below before consulting Actron Though the tool requires at least 6 5V to power up the vehicle s control mod ules require a minimum of 8 volt...

Page 104: ...try again or return to the Function List Make a selection and press ENTER Measure Voltage between BAT and GND pins Measure resistance between GND pin and frame ground Above 8V less than 5 ohms Is bat...

Page 105: ...e the computer has a good ground If the computer case is grounded then clean the connection and apply a conductive dielectric grease to the mating surfaces With the KOEO verify the battery voltage is...

Page 106: ...r words look for missing spots in the solid black characters When done press the BACK key Keyboard Test The Keyboard Test is used to verify the keys are functioning properly Select Keyboard Test from...

Page 107: ...e time for the test In the Tool Self Test menu select Printer Test with the UP DOWN arrow keys and press ENTER The scan tool informs you of the printer settings Custom or Default then asksif you wish...

Page 108: ...ain A garbled or no print may be caused by the interface settings You can change the Scan Tool s settings if necessary See section Printer Inter face on page 3 4 of Using The Scan Tool PROGRAM MODE Th...

Page 109: ...3 1L SFI T 95 ALDL Century 2 2L 4 95 ALDL 3 1L M 94 95 ALDL Concours 4 6L OHC Y 9 94 95 ALDL 4 9L SFI B 94 ALDL Corvette 5 7L OHC ZR 1 J 94 95 OBD II 5 7L PFI SFI P 94 95 OBD II Cutlass Ciera 2 2L PF...

Page 110: ...95 ALDL 6 5L Diesel P 94 95 ALDL 6 5L Turbo diesel F 94 95 ALDL 7 4L TBI N 94 95 ALDL G series 4x2 Van full size Chevy van Sport van GMC Vandura and Rally 4 3L TBI Z 94 95 ALDL 5 0L TBI H 94 95 ALDL...

Page 111: ...shock tower Engine compartment in front of right shock tower 4 6L 94 95 OBD II Below instrument panel to right of steering wheel Escort Lynx EXP 1 6L 1 6L Turbo 1 9L 84 90 91 95 EEC IV EEC IV Right f...

Page 112: ...e compartment near battery 3 0L 91 92 EEC IV Left rear of engine compartment near strut tower Sable 3 0L 3 8L 86 87 88 95 EEC IV Engine compartment near alternator Right rear corner of engine compart...

Page 113: ...ment 7 5L 8 500 GVWin 49 States ex CA 97 98 EEC IV Left front corner of engine compart ment Explorer 4 0L 91 95 EEC IV Right rear of engine compartment F Series Pickup 4 9L 5 0L 5 8L 7 3L D 7 3L TD 7...

Page 114: ...ender apron behind air cleaner Cirrus 95 ALL OBD II Left of steering column under dash on body control module Comanche 91 92 ALL SCI In front of left fender apron behind air cleaner Concorde Intrepid...

Page 115: ...ter of firewall next to SBEC PCM Under center of dash panel In engine compartment on right side of firewall Ramcharger 89 90 91 93 ALL ALL SCI SCI On left side corner of firewall below cowl In engine...

Page 116: ...Data Link Connectors A 8 A...

Page 117: ...tion AIR System An emission control system operated by the PCM During cold starts an air pump injects outside air into the exhaust manifold to help burn hot exhaust gases This reduces pollu tion and s...

Page 118: ...to maintain optimum performance with lowest emissions In closed loop mode the PCM can fine tune control of a system to achieve an exact result CMP Camshaft Position Sensor CO Carbon Monoxide Continuo...

Page 119: ...PROM Electrically Erasable Programmable Read Only Memory EFE Early Fuel Evaporation EFI Electronic Fuel Injection Any system where a computer controls fuel delivery to the engine by using fuel injecto...

Page 120: ...ts the amount of air bypassing a closed throttle so that the PCM can control idle speed IAT Intake Air Temperature Sensor ICM Ignition Control Module IMRC Intake Manifold Runner Control IPC Instrument...

Page 121: ...er operation of emission related systems or components MPFI or MFI Multi Port Fuel Injection MPFI is a fuel injection system using one or more injector s for each cylinder The injectors are mounted in...

Page 122: ...r of drive cycles the code is erased from memory PID Parameter Identification Identifies an address in memory which contains vehicle oper ating information PNP Park Neutral Position This is a switch t...

Page 123: ...re into an electrical signal that the PCM can under stand SFI or SEFI Sequential Fuel Injection or Sequential Electronic Fuel Injection A fuel injection system that uses one or more injectors for each...

Page 124: ...on Control Information A decal located in the engine compartment containing information about the emission control systems found on the vehicle The VECI is the authoritative source for determining whe...

Page 125: ...B 9 Glossary B...

Page 126: ...2003 ACTRON MANUFACTURING CO Printed in USA 0002 003 2378...

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