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 connector terminals.

Connector & terminal

(B134) No. 28 — (B134) No. 19:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the poor contact. Replace the electronic throttle.

Sensor power supply circuit may be shorted.