CHECK WIRING HARNESS.

Using a tester, measure the voltage between the connectors and chassis ground.

Connector & terminal

(B419) No. 1 (+) — Chassis ground (−):

(B280) No. 6 (+) — Chassis ground (−):

(B281) No. 2 (+) — Chassis ground (−):

(i10) No. 2 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Check the fuse, or repair or replace the open circuit in the harness.