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.