CHECK HARNESS BETWEEN ECM AND GENERATOR CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from ECM and generator.

3) Measure the resistance between generator connector and engine ground.

Connector & terminal

(F26) No. 3 — Engine ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the short circuit to ground in harness between ECM and generator connector.