CHECK HARNESS BETWEEN BATTERY AND BODY INTEGRATED UNIT.

1) Disconnect the connector of body integrated unit.

2) Measure the voltage between body integrated unit and chassis ground.

Connector & terminal

(B279) No. 22 (+) — Chassis ground (−):

QUESTION

Is the voltage 9 V or more?

Yes No

Replace the body integrated unit.

Check the harness for open or short circuits between the body integrated unit and battery or fuse (No. 14).