Component Inspection

Component Inspection

1. Check APS
(1) IG "ON" & ENG "OFF".
(2) Measure signal waveform of APS by pressing and depressing accelerator pedal.
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.

CAUTION:
There is a memory reset function on scantool that can erase optional parts automatically detected 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.