CHECK HARNESS BETWEEN ECM, STARTER RELAY CONNECTOR AND STARTER MOTOR.

1) Disconnect the connectors from the ECM.

2) Turn the ignition to ON.

3) Measure the voltage between ECM and chassis ground.

Connector & terminal

(B135) No. 20 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Repair the short circuit to power supply.

NOTE:

In this case, repair the following harnesses:

Short circuit to power supply in harness between ECM and starter relay connector

Short circuit to power supply in harness between ECM and starter motor

Short circuit to power supply in harness between starter relay connector and starter motor

Repair the poor contact of the ECM connector.