Computers and Control Systems: Technical Service Bulletins
- Customer Interest
- By Symptom
- Customer Interest
- Driveability
- Erratic Operation
- False instrument warning light/gauges
- EGR/PFE - MIL ON/DTC's Stored In Memory
- 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
- All Technical Service Bulletins
- EGR/PFE - MIL ON/DTC's Stored In Memory
- 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
- Throttle Position Sensor - Function and Diagnostic Tips
- Engine - Idle Speed Fluctuates At Stop After Cold Start
- Heated Exhaust Gas Oxygen Sensor - Application Chart
- EGO Sensors - Silicone Contamination
- Mass Air Flow Sensor - Assembly Replacement
- Engine - Lean Driveability Symptoms