Solar Ventilation System

HEATING / AIR CONDITIONING: SOLAR VENTILATION SYSTEM: TERMINALS OF ECU

1. SOLAR VENTILATION ECU





HINT
Check from the rear of the connector while it is connected to the solar ventilation ECU.





(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 AMPLIFIER Air Conditioning System