Inspection Procedure

INSPECTION PROCEDURE

1. Connect the LEXUS hand-held tester and check STA signal.
- Remove the fuse cover on the instrument panel.
- Connect the LEXUS hand-held tester to the Data Link Connector 3.





- Turn ignition switch ON and LEXUS hand-held tester main switch ON. Read STA signal on the LEXUS hand-held tester while starter operates.

Ignition Switch position ON: STA Signal OFF.
Ignition Switch position START: STA Signal ON.

- If not OK proceed to step 2.
- If OK proceed to next circuit inspection shown at DIAGNOSIS BY SYMPTOM.
2. Check for open in harness and connector between Engine Control Module and starter relay.
- If OK check and replace Engine Control Module.
- If not OK repair or replace harness or connector.