CHECK WIRING HARNESS.

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

2) Using a tester, check continuity between the power supply CM connector and push button ignition switch.

Connector & terminal

(B423) No. 7 — (B420) No. 14:

(B423) No. 2 — (B420) No. 37:

QUESTION

Did it change to continuity exists, when the button was pressed?

Yes No

Replace the push button ignition switch.

Repair or replace the open circuit of harness.