CHECK HARNESS.

1) Turn the ignition switch to OFF.

2) Disconnect the power supply CM connector.

3) Using a tester, check continuity between the power supply CM and AT select lever.

Connector & terminal

(B117) No. 1 — (B420) No. 5:

(B117) No. 2 — Chassis ground:

QUESTION

Is there continuity?

Yes No

Replace the power supply CM.

Repair or replace the harness.