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

1) Disconnect the connectors from ECM.

2) Turn the ignition to ON.

3) Measure the voltage between ECM and chassis ground.

Connector & terminal

Euro 4 model

(B136) No. 35 (+) — Chassis ground (−):

Euro 5 model

(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 connector

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

Repair the poor contact of ECM connector.