Section 10 (Engine Controls - Tests W/Codes - 2.2L TBI)
WARNING: This page is about a different car, the 1990 Chevrolet Corsica, 1990 Chevrolet Cavalier, and 1990 Chevrolet Beretta. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Diagnostic Procedure
- Retrieving Codes (Non-Scan)
- Reading Trouble Codes
- ECM Trouble Code Definition Table
- Hard Or Intermittent Trouble Code Determination
- Clearing Trouble Codes
- ECM Location
- Diagnostic Materials
- Scan Tester Usage
- Diagnostic Codes
- Code 13, Open Oxygen Sensor Circuit
- Code 14, Coolant Sensor Signal Voltage Low
- Code 15, Coolant Sensor Signal Voltage High
- Code 21, TPS Signal Voltage High
- Code 22, TPS Signal Low
- Code 23: Mat Sensor Temp Low
- Code 24: VSS (L Body)
- Code 24: VSS (J Body)
- Code 25: Mat Sensor Temp High
- Code 32: EGR System Error
- Code 33: Map Sensor Signal Voltage High
- Code 34: Map Sensor Signal Voltage Low
- Code 42, Elect Spark Timing W/Dis
- Code 43, Elect Spark Control Signal Volt Low
- Code 44, Lean Exhaust Indication
- Code 45: Rich Exhaust Indication
- Code 51, Faulty Prom/Mem-Cal