CHECK SHORT CIRCUIT INSIDE THE ECM.

1) Connect the connector to ECM.

2) Measure the resistance between accelerator pedal position sensor connector and chassis ground.

Connector & terminal

(B315) No. 6 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Replace the accelerator pedal.

Repair the short circuit to ground in harness between ECM and accelerator pedal position sensor connector. Replace the ECM if defective.