CHECK ACCELERATOR PEDAL POSITION SENSOR OUTPUT.

1) Turn the ignition switch to ON.

2) Measure the voltage between ECM connector and chassis ground.

Connector & terminal

Main accelerator pedal position sensor signal

(B135) No. 39 (+) — Chassis ground (−):

Sub accelerator pedal position sensor signal

(B135) No. 28 (+) — Chassis ground (−):

QUESTION

Is the difference between the measured value of main accelerator pedal position sensor signal and the measured value of sub accelerator pedal position sensor signal 0 V?

Yes No