CHECK HARNESS BETWEEN BODY INTEGRATED UNIT AND ECM.

1) Disconnect the connector from the ECM and body integrated unit.

2) Measure the resistance between body integrated unit connector terminal and ECM connector terminal.

Connector & terminal

Gasoline engine model (Euro 4)

(B280) No. 4 — (B135) No. 23:
(B280) No. 15 — (B135) No. 31:

Gasoline engine model (Euro 5)

(B280) No. 4 — (B135) No. 11:
(B280) No. 15 — (B135) No. 12:

Diesel engine model

(B280) No. 4 — (B134) No. 50:
(B280) No. 15 — (B134) No. 50:

QUESTION

Is the resistance less than 10 Ω?

Yes No

Repair the open circuit of the harness between the body integrated unit and ECM.