CHECK BODY INTEGRATED UNIT POWER SUPPLY CIRCUIT.

1) Turn the ignition switch to ON.

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

Connector & terminal

(B280) No. 1 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

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