CHECK HARNESS BETWEEN IMMOBILIZER UNIT AND CHASSIS GROUND.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from the immobilizer unit.

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

Connector & terminal

(B141) No. 15 — Chassis ground:

(B141) No. 25 — Chassis ground:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the open circuit of harness between the immobilizer unit and chassis ground.