Computers and Control Systems: Technical Service Bulletins

• Recalls
  • Campaign - Speedometer Cable Speed Sensor
    • Overview of Program 91B01
    • Attachment I - Administrative Information
    • Attachment II - Labor and Parts Information
    • Attachment III - Technical Instructions
    • Owner Letter
• Customer Interest
  • MIL ON In Cold Weather/Code 15 Set
  • Engine - Lean Driveability Symptoms
• By Symptom
  • Customer Interest
    • MIL ON In Cold Weather/Code 15 Set
    • Engine - Lean Driveability Symptoms
  • Driveability
    • Engine - Lean Driveability Symptoms
  • False instrument warning light/gauges
    • MIL ON In Cold Weather/Code 15 Set
    • EEC IV - Self Test Codes and MIL Service Tips
      • Overview
      • Overview of Three Digit EEC-IV Self-Test Codes
      • 1) Technician Not Familiar With Self-Test Code Output
      • 2) Inadvertent Erasure of Continuous Memory Self-Test Codes
      • 3) Concern Setting Continious Memory Code Isn't Present
      • 4) Grounded STO/MIL Circuit
      • 5) Engine Running In Hlos
      • 6) Misinterpretation of MIL Bulb Check
      • 7) MIL Flashes During Self-Test
      • 8) Processor KAM Is Erased or Fails
      • 9) Damaged Star Tester
      • 10) KOEO Processor Ram Test Failed
      • 11) Intermittent VSS Fault Detected In Wiggle Mode
      • 12) IDM Pulswidth Not Recognized By Processor (EDIS Vehicles)
      • 13) Intermittent Ignition System Fault
      • 14) Intermittent Open STI Circuit
      • 15) Power Lost to EEC Processor
      • 16) Other Warning Lamps Mistaken For MIL
      • 17) Development Testing /Wrong Processor Released to Production
  • Recalls
    • Campaign - Speedometer Cable Speed Sensor
      • Overview of Program 91B01
      • Attachment I - Administrative Information
      • Attachment II - Labor and Parts Information
      • Attachment III - Technical Instructions
      • Owner Letter
• All Technical Service Bulletins
  • Electronics - Diagnostic Tools and Adapter Application
  • Electrical - Troubleshooting Service Tips
  • MIL ON In Cold Weather/Code 15 Set
  • EEC IV Pinpoint Test H - Manual Correction
  • EEC IV - Self Test Codes and MIL Service Tips
    • Overview
    • Overview of Three Digit EEC-IV Self-Test Codes
    • 1) Technician Not Familiar With Self-Test Code Output
    • 2) Inadvertent Erasure of Continuous Memory Self-Test Codes
    • 3) Concern Setting Continious Memory Code Isn't Present
    • 4) Grounded STO/MIL Circuit
    • 5) Engine Running In Hlos
    • 6) Misinterpretation of MIL Bulb Check
    • 7) MIL Flashes During Self-Test
    • 8) Processor KAM Is Erased or Fails
    • 9) Damaged Star Tester
    • 10) KOEO Processor Ram Test Failed
    • 11) Intermittent VSS Fault Detected In Wiggle Mode
    • 12) IDM Pulswidth Not Recognized By Processor (EDIS Vehicles)
    • 13) Intermittent Ignition System Fault
    • 14) Intermittent Open STI Circuit
    • 15) Power Lost to EEC Processor
    • 16) Other Warning Lamps Mistaken For MIL
    • 17) Development Testing /Wrong Processor Released to Production
  • MIL ON/No Codes Set Explanation
  • Engine Control Systems - Diagnosis Revision
    • Overview
    • Diagnosis Routines, Improper Shift
    • Bypass Air Control System
    • Fuel System Delivery/Diagnosis and Testing
      • System Inspection
      • Test Step F1
      • Test Step FA2, FA3
      • Test Step FA10, FA12
      • Test Step FA13, FA14
      • Test Step FB1 Thru FB5
    • Ignition System and Timing Procedures
    • EEC Quick Test - All Engines
      • Test Step Step QT1 Chart
      • Test Step QT2 Thru QT4
      • Test Step QT5 Thru QT8
      • Test Step QT9 Thru QT12
      • Appendix - Self Test Description
    • EEC Pinpoint Test - All Engines
      • Index
      • Pinpoint Test Instructions
      • Barometric Pressure Switch
        • Schematic
        • Volt and Vacuum Graph
        • Test Steps BP1 Thru BP4
      • Clutch Cycling Pressure Switch 2.2L All
        • Note, Pinpoint Test Schematic
        • Test Step CCPS1, 2
      • Cylinder Identification 1.6L, 1.8L
        • Note, Pinpoint Test Schematic
        • Application, Circuit, ECA, Bob and Wire Color
        • Test Step CID1 Thru CID3
      • Cylinder Identification 2.2L Turbo
        • Note, Pinpoint Test Schematic
        • Test Step CID1, 2
      • Crankshaft Position 1.3L, 1.8L and 2.2L Turbo
        • Note, Test Pins Schematic
        • Test Step CPS1 Thru CPS3
      • Daytime Running Lamps 1.3L, 1.8L and 2.0L Turbo (Canada Only)
        • Note, Pinpoint Test Schematic
        • Test Step DRL1
      • Engine Coolant Temperature - All Engines
        • Note, Pinpoint Test Schematic
        • Data Sheet and Test Step ECT1, 2, 3
      • Electrical Load Control Unit 1.6L and Turbo
      • EGR Valve Position 2.2L Turbo and Non-Turbo Calif.
      • Ignition Diagnostic Monitor - All Engines
        • Note
        • Connector Pin Identification and Schematic
        • Data Sheet: Voltage Graph
        • Test Step IDM1 Thru IDM12
      • MIL and Overboost Indicator Warning - All Engines
        • Note, Function Test
        • Test Step MIL1 Thru MIL3
      • Knock Control 1.6L Turbo
        • Pinpoint Test Schematic
        • Test Step KC1 Thru KC5
      • Knock Control 2.2L Turbo
        • Note, Pinpoint Test Schematic
        • Test Step KC1 Thru KC4
      • Power and Ground Connections - All Engines
      • Relay Output Check - All Engines
        • Note, Functional Test
        • Test Step ROC1 Thru ROC3
      • Solenoid Controlled By Ground - All Engines
        • Note, Pinpoint Schematic, Connector Pin I.D.
        • Data Sheet and Test Step SCG1 Thru SCG5
      • Switch Monitor Lamp - All Vehicles
      • Switch to Ground - All Engines
        • Switch Type/Pin Identification & Switch Function
        • Type C Switch Schematic
        • Test Step STG1 Thru STG4
      • Self Test Input - All Engines
        • Note, Pinpoint Test Schematic
        • Test Step STI1
      • Self Test Output - All Engines
        • Notes, Pinpoint Test Schematic
        • Test Step STO1, 2
      • Switch to Power - All Engines
        • Switch Type/Pin Identification & Switch Function
        • Test Steps STP1 Thru STP4
      • Throttle Position 1.6L, 1.8L, 2.2L All
        • Note, Pinpoint Test Schematic, Connector I.D.
        • Throttle Angle Voltage and Steps TP1 Thru TP3
      • Vane Air Flow - All Engines
        • Notes, Pinpoint Test Schematic, Connector Pin I.D.
        • Data Sheet and Test Step VAF1 Thru VAF7
      • Vane Air Temperature - All Engines
      • Vehicle Power - All Engines
        • Note, Pinpoint Test Schematic, Connector Pin I.D.
        • Test Step VPWR1 Thru 6
      • Reference Voltage - All Engines
        • Note, Schematic 1.3L EFI
        • Schematic 1.6L All
        • Schematic 1.8L EFI MTX/4EAT
        • Schematic 2.2L All, Connector Pin I.D. All
        • Test Step VREF1 Thru 6
    • EEC-IV Monitor Intermittent Fault Diagnostics
      • Power and Ground Test - Step PG1 Thru PG5, All Engines
      • Description and Installation of EEC-IV Monitor
      • Diagnostic Reference Values
        • Notes
        • 1.3L Engine
        • 1.6L Non-Turbo and Turbo
        • 1.8L and 2.2L MTX Engines
        • 2.2L 4EAT and 2.2L Turbo
      • EVP, ECT, VAF, VAT Sensor Graph
    • 4EAT Transaxle
      • Quick Test
        • Test Step QT5 Thru 10
        • Test Step QT2 Thru 4 Equipment Hook-Up
        • Self-Test Description and Erasing Memory Codes
      • Test Equipment
      • Pinpoint Test
        • Input/Output Sensors
        • Pinpoint Test Instructions
        • Downshift Signal 2.2L Turbo 4EAT, 1.8L 4EAT
          • Note, Pinpoint Test Schematic
          • Test Step DSS1 Thru 4
        • Manual Shift Lamp 3.0L, 2.2L and 1.6L
          • Note, Pinpoint Test Schematic
          • Test Step MSL1 Thru 6
        • Power and Ground Connections All 4EAT
          • Note, GND and Power Connection
          • Test Step PGC1, 2
        • Solenoid Controlled By Power - All 4EAT
          • Note, and Test Pin Schematic
          • Test Step SCP1 Thru 4
        • Self Test Input All 4EAT Except 1.8L and 1.9L
          • Note, Pinpoint Test Schematic
          • Test Step STI1
        • Self Test Output - All 4EAT
          • Note, Pinpoint Test Schematic
          • Test Step STO1, 2
        • Switch to Ground - All 4EAT
          • Note, Pinpoint Test Schematic
          • Test Step STG1 Thru 4
        • Switch to Power - All 4EAT
          • Note, Switch I.D. and Function Chart
          • Test Step STP1 Thru 4
        • Throttle Position - All 4EAT
          • Note, Pinpoint Test Schematic
          • Data Sheet Voltage and Resistance
          • Test Step TP1 Thru 3
        • Torque Converter Speed Pulse Generator - All 4EAT
          • Note, Pinpoint Test Schematic
          • Test Step TCS1, 2
        • Transaxle Oil Temperature 1.8L, 1.9L 4EAT
          • Note, Pinpoint Test Schematic
          • Data Sheet Voltage and Resistance
          • Test Step TOT1 Thru 4
        • Transaxle Oil Temperature Switch 2.2L, 3.0L, 1.6L - 4EAT
          • Note, Pinpoint Test Schematic
          • Test Step TOT1 Thru 4
        • Vehicle Power - All 4EAT
          • Note, Pinpoint Test Schematic
          • Test Step VPWR1 Thru 6
        • Vehicle Speed - All 4EAT
          • Note, Pinpoint Test Schematic
          • Test Step VSS1 Thru 4
        • Reference Voltage - All 4EAT
          • Note, Schematic 1.6L All
          • Schematic 1.8L EFI 4EAT and 2.2L All Block Diagram
          • Test Step VREF1 Thru 2
  • Electrical/Vacuum Schematics - Manual Revision
    • Overview
    • 10-8 Grounds
    • 10-9 Grounds
    • 12-1 Charging System
    • 13-1 Power Distribution
    • 13-2 Power Distribution
    • 13-3 Power Distribution
    • 13-4 Power Distribution
    • 13-5 Power Distribution
    • 13-6 Power Distribution
    • 13-7 Power Distribution
    • 13-8 Power Distribution
    • 13-9 Power Distribution
    • 13-10 Power Distribution
    • 13-11 Power Distribution
    • 21-1 Ignition System
    • 21-4 Ignition System
    • 21-5 Ignition System
    • 23-2 Electronic Engine Control
    • 23-3 Electronic Engine Control
    • 23-4 Electronic Engine Control
    • 23-5 Electronic Engine Control
    • 23-6 Electronic Engine Control
    • 23-7 Electronic Engine Control
    • 29-2 Electronic Automatic Transaxle
    • 29-3 Electronic Automatic Transaxle
    • 33-1 Electric Cooling Fan
    • 37-1 Shift Lock
    • 45-1 Passive Restraint System
    • 45-2 Passive Restraint System
    • 45-3 Passive Restraint System
    • 54-2 A/C-Heater
    • 54-3 A/C Heater
    • 54-8 A/C-Heater
    • 56-1 Rear Window Defrost
    • 60-2 Instrument Cluster Standard
    • 60-3 Instrument Cluster (Standard)
    • 60-6 Instrument Cluster (Standard)
    • 60-7 Instrument Cluster (Standard)
    • 61-1 Instrument Cluster (Sport)
    • 61-8 Instrument Cluster (Sport)
    • 61-9 Instrument Cluster (Sport)
    • 66-2 Warning Chime
    • 66-3 Warning Chime
    • 66-6 Warning Chime
    • 71-1 Instrument Illumination
    • 71-2 Instrument Illumination
    • 71-3 Instrument Illumination
    • 86-1 Fog Lamps
    • 89-1 Courtesy Lamps
    • Park/Stop/License Lamps
    • 92-3 Park/Stop/License Lamps
  • Service Manual - Modifications/Revisions
    • Overview
    • Electronic Engine Control With 1.8L Engine
    • Electronic Engine Control 24-4 With 1.9L Engine
    • Passive Restraint System
    • Heater
    • Instrument Cluster Standard
    • Instrument Cluster (Sport)
    • 1991 Instrument Cluster (Sport)
    • 1991 - Instrument Cluster (Sport) 61-12
    • Vehicle Speed Sensor With 1.8L Engine
    • Courtesy Lamps
    • Connector Faces/Pinout Charts
  • EGO Sensors - Silicone Contamination
  • Campaign - Speedometer Cable Speed Sensor
    • Overview of Program 91B01
    • Attachment I - Administrative Information
    • Attachment II - Labor and Parts Information
    • Attachment III - Technical Instructions
    • Owner Letter
  • Engine - Lean Driveability Symptoms