| Component Location |

| 1. ICU Junction Block
2. Rear glass defogger switch (Manual type) |
3. Rear glass defogger
switch (Auto type) 4. Rear glass defogger |
Inspection Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line.
Instructions (R-134a) When Handling Refrigerant 1. R-134a liquid refrigerant is highly volatile. A drop on the skin of your hand could result in localized frostbite. When handling the refrigerant, be sure to wear gloves.
Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and accord