CHECK HARNESS BETWEEN ECM AND ACCELERATOR PEDAL POSITION SENSOR.

Measure the resistance between ECM connector and chassis ground.

Connector & terminal

(B135) No. 23 — Chassis ground:

(B135) No. 21 — Chassis ground:

(B135) No. 31 — Chassis ground:

(B135) No. 22 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the chassis short circuit of harness.