Section 3 (Engine Controls - Tests W/Codes)
WARNING: This page is about a different car, the 1990 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Notes
- Hard Failures
- Intermittent Failures
- Diagnostic Procedure
- Retrieving Codes (Non-Scan)
- Reading Trouble Codes
- Trouble Code Definition
- Hard Or Intermittent Trouble Code Determination
- Clearing Trouble Codes
- ECM/Pcm Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tester Usage
- Scan Data
- Test Procedure Summary
- Diagnostic Tests
- Notes
- Code 13, Open Oxygen Sensor Circuit
- Code 14, Coolant Temperature Sensor Signal Voltage Low
- Code 15, Coolant Temperature Sensor Signal Voltage High
- Code 21, Throttle Position Sensor Signal Voltage High
- Code 22, Throttle Position Sensor Signal Voltage Low
- Code 23, Mat Sensor Signal Voltage High
- Code 24, Vehicle Speed Sensor (VSS)
- Code 25, (IAT) Mat Sensor Signal Voltage Low
- Code 33, Map Sensor Signal Voltage High
- Code 34, Map Sensor Signal Voltage Low
- Code 41, Cylinder Select Error
- Code 42, Est Circuit Open Or Grounded
- Code 43, ESC Error Without ESC Module
- Code 44, Lean Exhaust Indication
- Code 45, Rich Exhaust Indication
- Code 46, Pass-Key System
- Code 51, Faulty Prom/Mem-Cal
- Code 52, Low Engine Oil Temperature
- Code 53, System OVERVOLTAGE
- Code 54, Fuel Pump Voltage Low
- Code 62, High Engine Oil Temperature