| Circuit Diagram |



Singal Waveform
Inspection 1. Turn ignition switch OFF. 2. Disconnect IATS connector. 3. Measure resistance between IATS terminals 3 and 4.
Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to th
Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery / recycling / charging station. 3. When the engine is cool, drain the engine coolant from the radiator.