CHECK HARNESS BETWEEN PURGE CONTROL SOLENOID VALVE AND ECM CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from purge control solenoid valve.

3) Turn the ignition switch to ON.

4) Measure the voltage between ECM and chassis ground.

Connector & terminal

(B137) No. 29 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Repair the battery short circuit of harness between ECM and purge control solenoid valve connector. After repair, replace the ECM.