CHECK HARNESS BETWEEN ECM AND BATTERY TEMPERATURE SENSOR CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from the ECM and battery temperature sensor.

3) Measure the resistance of the harness between the ECM and battery temperature sensor connector.

Connector & terminal

(B135) No. 36 — (B523) No. 1:

(B135) No. 12 — (B523) No. 2:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the open circuit in the harness between the ECM and battery temperature sensor connector.