CHECK HARNESS BETWEEN KEY WARNING SWITCH AND IMM ECM.

1) Disconnect the harness connector from key warning switch.

2) Disconnect the harness connector from IMM ECM.

3) Measure the resistance between key warning switch harness connector terminal and IMM ECM harness connector terminal.

Connector & terminal

(B74) No. 2 — (B141) No. 26:

QUESTION

Is the resistance less than 10 Ω?

Yes No

Replace the IMM ECM and then replace all ignition keys (including the transponder). Execute the registration procedure next. Refer to “REGISTRATION MANUAL FOR IMMOBILIZER (Pub. No. S0820GZ)”.

Repair the harness between key warning switch and IMM ECM.