| Component Location |

| 1. Rear glass defogger relay
(Buil-in engine room relay box) 2. Rear glass defogger switch (Dual type) |
3. Rear glass defogger |
Repair procedures Inspection Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line.
Description and operation Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.
Description and operation Description The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. Repair procedures Inspection 1.