CHECK IMMOBILIZER UNIT OUTPUT SIGNAL.

1) Turn the ignition switch to ON.

2) Measure the resistance between the immobilizer unit harness connector and chassis ground.

Connector & terminal

(B141) No. 19 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Check wiring harness and combination meter, then repair or replace them.