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 between ECM and chassis ground.

Connector & terminal

(B135) No. 36 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Replace the battery temperature sensor.

Repair the short circuit to ground in the harness between the ECM and battery temperature sensor connector.