CHECK HARNESS BETWEEN ECM AND ELECTRONIC THROTTLE CONTROL CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from ECM.

3) Measure the resistance between ECM connectors.

Connector & terminal

Euro 4 model

(B137) No. 25 — (B137) No. 23:
(B137) No. 25 — (B137) No. 24:

Euro 5 model

(B134) No. 28 — (B134) No. 18:
(B134) No. 28 — (B134) No. 19:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the short circuit to power in harness between ECM and electronic throttle control connector.