CHECK HARNESS BETWEEN ECM AND ACCELERATOR PEDAL POSITION SENSOR CONNECTOR.

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 supply in the harness between the ECM and accelerator pedal position sensor connector.