To reduce the probability of fogging up inside of the windshield, the air intake
or air conditioning are controlled automatically according to certain conditions
such as
or
position. Logic can be disabled and
enabled by doing following :
To defog inside windshield 1. Select desired fan speed. 2. Select desired temperature. 3. Press the defroster button ( ). 4. The outside (fresh) air position will be selected automatically.
1. Turn the ignition switch to the ON position. 2. Turn the mode selection knob to the defrost position ( ). 3. Select any fan speed except “0” position.
Repair procedures Oil Specification 1. The HFC-134a system requires synthetic compressor oil (PAG) whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor oil (PAG) varies according to compressor model.
Description and operation Description The A/C Pressure Transducer (APT) convert the pressure value of high pressure line into voltage value after measure it. By converted voltage value, engine ECU controls cooling fan by operating it high speed or low speed.