CHECK HARNESS BETWEEN ECM AND WASTEGATE CONTROL SOLENOID VALVE.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from ECM and 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 short circuit of the harness to power supply between ECM and wastegate control solenoid valve connector.