CHECK POWER SUPPLY.

1) Disconnect the harness connector of body integrated unit.

2) Measure the voltage between harness connector terminal and chassis ground.

Connector & terminal

(i84) No. 34 (+) — Chassis ground (−):

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

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

QUESTION

Is the voltage 10 V or more?

Yes No

Check the harness for open or short circuit between body integrated unit and fuse.