8D–232
WIRING SYSTEM
Heater and Air Conditioning
General Description
The heater and air conditioning system consists of a dual
pressure switch, A/C switch, electronic thermostat,
blower motor, fan switch, magnetic clutch for A/C
compressor, blower resistor and relays.
Although start and stop of the air conditioner is done with
ON/OFF of A/C switch, the electronic thermostat, A/C
Compressor relay, thermo switch relay, dual pressure
switch and ECM, (V6:PCM) release the magnetic clutch
to temporarily stop A/C operation under the preset
conditions in order to control the room temperature,
prevent the temperature rise of engine coolant, and
reduce the engine load.
Refer to HVAC system in Heating and Air Conditioning.