CHECK HARNESS BETWEEN ECM AS WELL AS MAIN RELAY AND INTAKE OIL FLOW CONTROL SOLENOID VALVE LH CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from ECM and intake oil flow control solenoid valve LH.

3) Remove the main relay.

4) Measure the voltage between ECM and main relay connector and chassis ground.

Connector & terminal

(B220) No. 38 (+) — Chassis ground (−):

(B134) No. 34 (+) — Chassis ground (−):

QUESTION

Is the voltage less than 1 V?

Yes No

Repair the short circuit to power supply in harness between ECM and main relay connector and intake oil flow control solenoid valve LH connector.