CHECK ELECTRONIC THROTTLE CONTROL GROUND CIRCUIT.

Measure the resistance between ECM and chassis ground.

Connector & terminal

(B135) No. 3 — Chassis ground:

(B135) No. 4 — Chassis ground:

(B135) No. 5 — Chassis ground:

(B136) No. 6 — Chassis ground:

(B137) No. 6 — Chassis ground:

(B137) No. 7 — Chassis ground:

QUESTION

Is the resistance less than 5 Ω?

Yes No

Repair the open circuit of the harness between the ECM and engine ground.