CHECK HARNESS.

1) Turn the ignition switch to OFF.

2) Disconnect the inhibitor switch connector.

3) Using a tester, check continuity between the power supply CM connector and inhibitor switch connector.

Connector & terminal

(B420) No. 17 — (B12) No. 12:

(B12) No. 11 — Chassis ground:

QUESTION

Is there continuity?

Yes No

Replace the power supply CM.

Repair or replace the harness.