toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Air Conditioning System (For Manual Air Conditioning System)|Page 7695 > < Air Conditioning System (For Manual Air Conditioning System)|Page 7693
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Ambient Temperature Sensor / Switch HVAC: Testing and Inspection

INSPECTION

1. INSPECT AMBIENT TEMPERATURE SENSOR

a. Measure the resistance of the sensor.

NOTE:
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Touching the sensor even slightly may change the resistance value. Hold the connector of the sensor.

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When measuring the resistance, the sensor temperature must be the same as the ambient temperature.

HINT:  As the temperature increases, the resistance decreases (see the graph). 

Air Conditioning System (For Manual Air Conditioning System)|Page 7695 > < Air Conditioning System (For Manual Air Conditioning System)|Page 7693