CHECK HARNESS BETWEEN ECM AND MAIN RELAY CONNECTOR.

1) Turn the ignition switch to OFF.

2) Measure the resistance of harness between ECM and main relay connector.

Connector & terminal

(B136) No. 23 — (B220) No. 40:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the open circuit of harness between ECM and main relay connector.