| Refrigeration Cycle |

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.
Component Location Index Engine Room 1. Service port (High pressure) 2. A/C pressure transducer (APT) 3. Service port (Low pressure) 4.
Components and components location Component Location 1. Engine room relay box 2. Sub relay box 3. ICU Junction block 4. ICM relay box Relay Box (Engine Compartment).
Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor consists of a thermistor that measures the inside temperature. The signal decided by the resistance value that changes in accordance with perceived inside temperature, is delivered to heater control unit, and according t