CHECK HARNESS BETWEEN ECM AND BATTERY TEMPERATURE SENSOR CONNECTOR.

1) Connect all connectors.

2) Turn the ignition switch to ON.

3) Measure the voltage between ECM and chassis ground.

Connector & terminal

(B135) No. 36 (+) — Chassis ground (−):

QUESTION

Is the voltage 5 V or more?

Yes No

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

Replace the battery temperature sensor.