CHECK HARNESS.

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

2) 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.