CHECK GROUND SHORT CIRCUIT OF RADIATOR FAN RELAY CONTROL.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from the ECM.

3) Measure the resistance of harness between ECM connector and chassis ground.

Connector & terminal

(B136) No. 29 — Chassis ground:

(B136) No. 18 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the ground short circuit of the radiator fan relay control.