CHECK HARNESS BETWEEN ECM AND ELECTRONIC THROTTLE.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from the ECM.

3) Measure the resistance between ECM connectors.

Connector & terminal

(B137) No. 23 — (B137) No. 25:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the poor contact of harness. Replace the electronic throttle if defective.

Repair the battery short circuit of harness.