Equus 3123 - GM Code Reader (1982 - 1995) Bedienungsanleitung

GMInnova 1998 GM CODE READER 1.6SAVE TIME AND MONEY BYIDENTIFYING ENGINE PROBLEMS YOURSELF • COMPUTER SAFE• NO BATTERY REQUIREDFOR GENERAL MOTORS AN

22-1 GM 2.1 VEHICLES COVERED This Code Reader may be used to retrieve engine service codesfrom most General Motors (GM) and Saturn domestic cars andt

Retrieving ECM CodesGM 2-2* Not applicable to models equipped with climate controlcomputersNOTE: For 1994 and 1995 vehicles, only the models listedabo

22-3 GMPlease read your vehicle’s service manual for properconnection of vacuum hoses, electrical wiring, and wiringharness connectors. Check the foll

Retrieving ECM CodesGM 2-4•Each code is transmitted three times before the next codeis sent.•Code sets will begin with Code 12 ("System Pass"

22-5 GMNOTE:It may be necessary to test drive the vehicle toreset "hard" fault codes 13, 15, 24, 44, 45, and 55after they have been erased.

Retrieving ECM CodesGM 2-6will still affect it) before retrieving trouble codes. Refer to yourvehicle's service/repair manual for specifications

22-7 GM2.5.1 GM Engine/Electronic Transmission Service Codes; SaturnEngine Service CodesCODE SERVICE CODE DEFINITION11 (Saturn vehicles ONLY): Indica

Retrieving ECM CodesGM 2-8CODE SERVICE CODE DEFINITION24 Vehicle speed sensor (VSS) - open or short circuitproblems or park/neutral switch circuit pro

22-9 GMCODE SERVICE CODE DEFINITION33 Mass air flow (MAF) sensor - signal voltage or frequencyis high during engine idleManifold absolute pressure (MA

Retrieving ECM CodesGM 2-10CODE SERVICE CODE DEFINITION42 Electronic spark timing (EST) circuit - open or shortedDirect ignition system (DIS) fault -

Table of Contentsi GMParagraph Title Page No. YOU CAN DO IT! ... iiGENERAL INFORMATION1.1 YOUR VE

22-11 GMCODE SERVICE CODE DEFINITION56 Vacuum sensor circuit fault or quad driver "B" fault(3.8L VIN1)Corrosivity/add coolant57 Boost contro

Retrieving ECM CodesGM 2-12CODE SERVICE CODE DEFINITION68 On-board cruise control switch circuit problems ServoPosition Sensor (SPS) circuit fault or

22-13 GMCODE SERVICE CODE DEFINITION82 Internal PCM communication fault (Saturn) or QDMSolenoid "A" monitored voltage differs from commanded

Retrieving ECM CodesGM 2-142.5.2 Saturn Electronic Transmission Service Codes•Transmission codes will be transmitted (if present) afterall engine code

22-15 GMCODE SERVICE CODE DEFINITION48 Hold mode voltage is too lowReference input intermittent49 Gear selector error signal51 Powertrain Control Modu

Retrieving ECM CodesGM 2-16CODE SERVICE CODE DEFINITION73 3rd line circuit - grounded or openCoolant sensor signal unstable74 Coolant/Transmission tem

33-1 GM 3.1 ANTILOCK BRAKE SYSTEMS (ABS)3.1.1 What is ABS? The ABS system utilizes several mechanical, hydraulic, andelectric/electronic components t

Retrieving ABS CodesGM 3-23.3 RETRIEVING SERVICE CODES•Always observe safety precautions before and duringtesting process.•Fix any known mechanical pr

33-3 GM2. After retrieving ABS fault codes, erase codes using theappropriate procedures for your vehicle and ABS system(paragraph 3.4).3. Repeat the p

Retrieving ABS CodesGM 3-4•All codes are two digits.•Count blinks to get the service codes:•First and second digits of code are separated by a 3 secon

You Can Do It!GM iiPlug It In•Test connector usually foundunder the left side of thedashboard.•Set Selector switch to ECM A-Bposition.•Make sure igni

33-5 GM•Count blinks to get the service codes.•Codes may be one or two digits.•Codes are displayed as a pattern of one long blink followedby one or mo

Retrieving ABS CodesGM 3-6•Code 21 looks like:NOTE:Service codes will repeat as long as Code Reader isconnected.6. Turn off ignition and remove the Co

33-7 GM3.4 ERASING SERVICE CODES•Always observe safety precautions before and duringtesting process.•Erase codes only when all repairs have been compl

Retrieving ABS CodesGM 3-85. Connect the Code Reader to the vehicle test connector forone second, remove the Code Reader for one second,reconnect the

33-9 GM7. The ""Service ABS" light should display code 12continuously. If any other codes are displayed, repeatsteps 1 through 6.8. Tur

Retrieving ABS CodesGM 3-103.5.1 Teves II System Service CodesCode Service Code Definition11 Electronic Brake Control Module (EBCM) fault12 Electronic

33-11 GM3.5.2 Kelsey-Hayes RWAL System Service CodesCode Service Code Definition61 Electronic Brake Control Module loop circuit71 Left front outlet va

Retrieving ABS CodesGM 3-123.5.3 Kelsey-Hayes 4WAL System Service CodesCode Service Code Definition12 System Normal13 System Normal (2WD)14 System Nor

33-13 GM3.5.4 Bosch 2S System Service CodesCode Service Code Definition55 4 Wheel Anti-Lock (4WAL) control unit fault56 4 Wheel Anti-Lock (4WAL) contr

Retrieving ABS CodesGM 3-143.5.5 Bosch 2U System Service CodesCode Service Code Definition41 Right front solenoid valve fault45 Left front solenoid va

11-1 GM 1.1 YOUR VEHICLE'S COMPUTER SYSTEM Today's vehicles are equipped with computer self-testingabilities that can locate problems in yo

44-1 GM 4.1 INTRODUCTION The Society of Automotive Engineers has issued a Standard(SAE J1930) for Electrical/Electronic Systems DiagnosticTerms, Defi

GlossaryGM 4-2BAC – Bypass Air Control valve.BARO – Barometric Pressure.BASE IDLE – Idle rpm determined by throttle switch withidle speed control full

44-3 GMCHECK VALVE – Valve that operates like a one-way gate.CID – Cylinder Identification sensor or its circuit.CKT – Circuit.CL – Closed Loop.CLC –

GlossaryGM 4-4DUAL CATALYTIC CONVERTER – Combines 2 convertersin one shell. Controls NOx, HC and CO. Also called TWC.DV TW – Delay Valve, 2 Way.DVM (1

44-5 GMEMR – Electronic Module Retard, controls spark retard.ENGINE CONTROL MODULE – A microprocessor baseddevice which contains electronic circuitry

GlossaryGM 4-6HPA - High Pressure Accumulator.IAC – Idle Air Control.IAS – Inlet Air Solenoid valve or its circuit.IAT – Intake air temperature sensor

44-7 GMMFI – Multi-port Fuel Injection.MIL – Malfunction Indicator Light. Check engine light.MIXTURE CONTROL SOLENOID – Device installed oncarburetor,

GlossaryGM 4-8QUAD-DRIVER (QDM) – Computer chip, in the PCM,capable of operating four separate outputs. Some have digitaland some have pulse width mod

44-9 GMTDC – Top Dead Center.THERMACTOR AIR CONTROL VALVE – Combinesfunction of a normally closed air bypass valve and an airdiverter valve in one int

GlossaryGM 4-10

General InformationGM 1-2NOTE :For Saturn vehicles, either the "Shift to D2" light orthe "Temperature" indicator light is used to

55-1 GM 5.1 LIMITED ONE YEAR WARRANTY The Manufacturer warrants to the original purchaser that thisunit is free of defects in materials and workmansh

Warranty and ServiceGM 5-2

 Innova 1998 GM INNOVA ELECTRONICS CORPORATION17287 Mt. Herrmann StreetFountain Valley, CA 92708USA #3123

11-3 GM1.4 SAFETY PRECAUTIONS•Always observe safety precautions whenever working on avehicle.a. Always wear safety eye protection.b. Only work on your

General InformationGM 1-41.6 PRELIMINARY VEHICLE DIAGNOSIS WORKSHEETThe purpose of this form is to help you gather preliminary informationon your vehi

11-5 GMWHEN DID YOU FIRST NOTICE THE PROBLEM:❑ Just Started❑ Started Last Week❑ Started Last Month❑ Other: LIST ANY REPAIRS DONE IN THE PAST SIX MONT

General InformationGM 1-6AUTOMATIC TRANSMISSION PROBLEMS (if applicable)PROBLEM OCCURS❑ Morning ❑ Afternoon ❑ AnytimeENGINE TEMPERATURE WHEN PROBLEM O