2.5L TBI Tests W/Codes
- Diagnosis & Testing
- Notes
- Entering Or Exiting Diagnostic Mode
- Clearing Trouble Codes
- Reading Trouble Codes
- Trouble Code Identification - TBI Models
- Trouble Code Determination (Hard Or Intermittent)
- Diagnostic Charts
- Diagnostic Circuit Check
- Diagnostic Symptom Check
- Field Service Mode
- Diagnostic Tools
- Chart A1 - No "Service Engine Soon" Light
- Chart A2 - Won't Flash Code 12
- Chart A3 - Engine Cranks, But Will Not Run
- Chart A5 - Fuel System Diagnosis (1 Of 3)
- Chart A6 - Fuel System Diagnosis (2 Of 3)
- Chart A7 - Fuel System Diagnosis (3 Of 3)
- Code 13 - Oxygen (O2) Sensor Circuit
- Code 14 - Coolant Sensor Circuit (Signal Voltage Low)
- Code 15 - Coolant Sensor Circuit (Signal Voltage High)
- Code 21 - Throttle Position Sens (TPS) (Signal Voltage High)
- Code 22 - Throttle Position Sensor (TPS) (Signal Voltage Low)
- Code 24 - Vehicle Speed Sensor (VSS)
- Code 33 - Map Sensor (Signal Voltage High)
- Code 34 - Map Sensor (Signal Voltage Low)
- Code 35, Idle Air Control (IAC)
- Code 42 - Electronic Spark Timing (Est)
- Code 44 - Lean Exhaust Indication
- Code 45 - Rich Exhaust Indication
- Code 51 - Faulty Prom
- Code 55 - Faulty ECM
- Chart C1 - ECM Replacement Check Chart
- Wiring Diagrams