CHECK BODY INTEGRATED UNIT OUTPUT SIGNAL.

Measure the voltage between the connector terminals of the body integrated unit when moving the door lock switch to LOCK direction.

Connector & terminal

(i84) No. 7 (+) — (i84) No. 8 (−):

(i84) No. 7 (+) — (i84) No. 23 (−):

(i84) No. 7 (+) — (i84) No. 35 (−):

QUESTION

Does the voltage change from less than 1.5 V → 10 V or more? (During lock output)

Yes No

Replace the body integrated unit.