Monitor DTC Status
- Connect scantool to Data Link Connector (DLC).
- IG "ON".
- Select "DTC" button, and then Press "DTC Status" to check DTC's information from the DTCs menu.
- Read "DTC Status" parameter.
- Is parameter displayed "Present fault"?
YES
Go to "TERMINAL AND CONNECTOR INSPECTION " procedure.
NO
Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.