Operation CHARM: Car repair manuals for everyone.

Pinout Values and Diagnostic Parameters








AIR CONDITIONING: AIR CONDITIONING SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK AIR CONDITIONING AMPLIFIER





HINT: Check from the rear of the connector while it is connected to the A/C amplifier.













(a) Using an oscilloscope, check waveform 1.





HINT: When the blower level is increased, the duty ratio changes accordingly.