Pinout Values and Diagnostic Parameters

AIR CONDITIONING: AIR CONDITIONING SYSTEM: 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