Diagnostic Procedure

Erase (1st trip) DTCs. Refer to HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION  .

1. : GO TO 2.

Check ground terminals for corroding or loose connection.

Refer to HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT , "CIRCUIT INSPECTION, "Ground Inspection".

OK or NG 

1. OK: GO TO 3.
2. NG: Repair or replace.

Perform HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT , "INCIDENT SIMULATION TESTS".

OK or NG 

1. OK: GO TO 4.
2. NG: Repair or replace.

Refer to HOW TO CHECK TERMINAL , "HOW TO PROBE CONNECTORS", "How to Check Enlarged Contact Spring of Terminal".

OK or NG 

1. OK: INSPECTION END 
2. NG: Repair or replace connector.