CHECK HARNESS BETWEEN ECM AND ELECTRONIC THROTTLE.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from the ECM.

3) Disconnect the connectors from electronic throttle.

4) Measure the resistance between ECM connector and electronic throttle connector.

Connector & terminal

(B134) No. 29 — (E57) No. 3:

(B134) No. 18 — (E57) No. 6:

(B134) No. 28 — (E57) No. 4:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the open circuit of harness connector.