CHECK HARNESS BETWEEN ECM AND ACCELERATOR PEDAL POSITION SENSOR.

1) Turn the ignition switch to ON.

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

Connector & terminal

(B315) No. 6 (+) — Chassis ground (−):

QUESTION

Is the voltage 4.85 V or more?

Yes No

Repair the short circuit to power source in the harness between the ECM and accelerator pedal position sensor connector.