Component Inspection

Engine Control
P2127 Throttle/Pedal Position Sensor/Switch E Circuit Low - Inspection/Repair:_:Component Inspection

Component Inspection

1. Check APS
(1) Ignition "ON" & ENG "OFF".
(2) Measure waveform of APS by pressing and depressing accellerator pedal with scantool.
A. Specification :













(3) Is the measured signal waveform O.K ?
YES
> Substitute with a known-good PCM and check for proper operation. If the problem is corrected,replace PCM and then go to "Verification of Vehicle Repair" procedure.

NOTE:
There is a memory reset function on scantool that can erase optional parts automaticallydetected and memorized by PCM.
Before or after testing PCM on the vehicle, use this function to reuse the PCM on the others

NO
> Substitute with a known-good APS and check for proper operation. If the problem is corrected,replace APS and then go to "Verification of Vehicle Repair" procedure.