CHECK HARNESS.

1) Connect the body integrated unit.

2) Turn the ignition switch to ON.

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

Connector & terminal

(B279) No. 11 (+) — Chassis ground (−):

QUESTION

Is the voltage 6 V or more?

Yes No

Repair or replace the short circuit of the harness.

Replace the body integrated unit.