Air Conditioning System

HEATING / 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.









* *1: w/ PTC Heater Assembly

* *2: w/ Solar Ventilation System

(a) Waveform 1:









HINT
The waveform varies with the blower speed.

(b) Waveform 2:









HINT
The waveform varies with the communication content.

2. A/C CONTROL ASSEMBLY





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