CHECK WIRING HARNESS.

1) Disconnect the collation CM connector and the push button ignition switch connector.

2) Using a tester, check continuity between the collation CM connector and push button ignition switch connector, the collation CM connector and chassis ground.

Connector & terminal

(B421) No. 30 — (B423) No. 14:
(B421) No. 40 — (B423) No. 8:
(B421) No. 40 — Chassis ground:
(B423) No. 8 — Chassis ground:

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