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".

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

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

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

Refer to HOW TO CHECK TERMINAL and HOW TO CHECK ENLARGED CONTACT SPRING OF TERMINALS .

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