Pinout Values and Diagnostic Parameters

AIR CONDITIONING: AIR CONDITIONING SYSTEM: TERMINALS OF ECU

1. A/C AMPLIFIER





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













(a) Waveform 1:









2. A/C CONTROL ASSEMBLY (HEATER CONTROL BASE SUB-ASSEMBLY)





HINT
Check from the rear of the connector while it is connected to the A/C control assembly (heater control base sub-assembly).





3. HYBRID VEHICLE CONTROL ECU





HINT
Check from the front of the connector while it is disconnected from the hybrid vehicle control ECU.





(a) Waveform 1:









HINT
Waveform cycle varies with the communication contents.

(b) Waveform 2:









HINT
Waveform cycle varies with the communication contents.

(c) Waveform 3:









HINT
Waveform cycle varies with the communication contents.