CHECK HARNESS.

1) Disconnect the body integrated unit connector (B280).

2) Turn the ignition switch to ON.

3) Measure the voltage between body integrated unit connector and chassis ground using tester.

Connector & terminal

(B280) No. 1 (+) — Chassis ground (−):

QUESTION

Is the voltage 8.5 — 16.5 V?

Yes No

Replace the body integrated unit.

Repair or replace the open or shorted circuit between body integrated unit and fuse.