CHECK HARNESS BETWEEN WASTEGATE CONTROL SOLENOID VALVE AND ECM CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from wastegate control solenoid valve.

3) Turn the ignition switch to ON.

4) Measure the voltage between ECM and chassis ground.

Connector & terminal

(B137) No. 27 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Repair the short to power supply in harness between ECM and wastegate control solenoid valve connector. After repair, replace the ECM.