CHECK HARNESS.

1) Disconnect the body integrated unit connector (B279).

2) Measure the resistance between body integrated unit connector (B279) and chassis ground.

Connector & terminal

(B279) No. 12 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Replace the body integrated unit.

Repair the short circuit of harness or replace harness.