Engine Controls - Tests W/Codes
- Introduction
- Self-Diagnostic System
- Code Charts
- ECM Location
- Trouble Code Definition
- ECM Terminal Identification
- Diagnostic Circuit Check
- Chart A-1 - No Check Engine Light
- Chart A-2 - No ALDL Data Or Won't Flash Code 12 (Check Engine Light On Steady)
- Code 13 - O2 Sensor (Open Circuit)
- Code 14A - Cts Circuit (High Temperature Indicated)
- Code 14B - Cts Circuit (Low Temperature Indicated)
- Code 21A - TPS Circuit (Signal Voltage High)
- Code 21B - TPS Circuit (Signal Voltage Low)
- Code 23A - Mat Circuit (Low Temperature Indicated)
- Code 23B - Mat Circuit (High Temperature Indicated)
- Code 24 - VSS Circuit
- Code 32 - EGR System
- Code 33A - Map Sensor (Signal Voltage High)
- Code 33B - Map Sensor (Signal Voltage Low)
- Code 42 - Est (Electronic Spark Timing)
- Code 43 - ESC (Electronic Spark Control)
- Code 44 - O2 Sensor (Lean Fuel Mixture)
- Code 45 - O2 Sensor (Rich Fuel Mixture)
- Code 51 - Prom Error
- Summary