CHECK HARNESS.

1) Disconnect the power supply CM connector (B420).

2) Check continuity between the power supply CM connector and the push button ignition switch connector using a tester.

Connector & terminal

(B420) No. 14 — (B423) No. 7:
(B420) No. 37 — (B423) No. 2:

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