Operation CHARM: Car repair manuals for everyone.

Component Inspection





Component Inspection

1. A/C pressure sensor inspection
(1) IG Key "OFF" and connect the scantool.
(2) Connect the probe to A/C pressure sensor signal and select the oscilloscope in the menu.
(3) Check the waveform with acceleration and deceleration after engine start.
Specification :









(4) Is the measured waveform of A/C pressure sensor normal ?






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