CHECK WIRING HARNESS.

1) Disconnect the rear interior antenna connector and the collation CM connector.

2) Using a tester, check continuity between the rear interior antenna connector and the collation CM connector.

Connector & terminal

4 door model

(R297) No. 1 — (B421) No. 15:
(R297) No. 3 — (B421) No. 16:

5 door model

(R298) No. 1 — (B421) No. 15:
(R298) No. 3 — (B421) No. 16:

QUESTION
Is there continuity?
Yes	No
	Repair or replace the open circuit of harness.