CHECK HARNESS BETWEEN ECM AND ACCELERATOR PEDAL POSITION SENSOR.

1) Connect the connector to ECM.

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

Connector & terminal

(B315) No. 2 — Chassis ground:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the harness and connector.

NOTE:

In this case, repair the following item:

Open circuit of harness between ECM and engine ground

Poor contact in ECM connector

Poor contact of coupling connector