FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Component Inspection





Component Inspection

1. Check APS
(1) IG "ON" & ENG "OFF".
(2) Measure signal waveform of APS 1 and APS 2 by stepping on and off with scantool
A. Specification:









(3) Is the measured signal waveform O.K ?
YES
1) 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
1) 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.