Monitor Scan Tool Data
- IG "OFF" & connect scan tool.
- ENG "ON" and warm -up the engine to normal operating temperature.
- Compare "Current data" on scan tool with "Engine Warning Lamp" on cluster.
- Is the current data displayed correctly?
YES
- Fault is intermittent caused by poor contact in Sensor' s and/or PCM' s connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
NO
- Go to "TERMINAL AND CONNECTOR INSPECTION " procedure.