Monitor Scan Tool Data
- Connect scan tool to data link connector (DLC).
- Ignition "ON".
- Confirm the "ROM I.D".
- Perform the "ROM UP-DATE".
- Re-check for presence of DTC data.
- Is the DTC cleared?
YES
- Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM 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
- Replace PCM/TCM as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.