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 air conditioning amplifier.













(a) Waveform 1 (Reference) : Using an oscilloscope

CAN communication signal





HINT: The waveform varies depending on the CAN communication signal.





(b) Waveform 2 (Reference) : Using an oscilloscope

CAN communication signal





HINT: The waveform varies depending on the CAN communication signal.





(c) Waveform 3 (Reference) : Using an oscilloscope

Compressor and pulley operation signal