CHECK WIRING HARNESS.

1) Disconnect the rear gate opener button connector and the collation CM connector.

2) Using a tester, check continuity between the rear gate opener button connector and collation CM connector.

Connector & terminal

(D99) No. 3 — (B421) No. 7:

QUESTION

Is there continuity?

Yes No

Repair or replace the open circuit of harness.