toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Air Conditioning System (for Automatic Air Conditioning System)|Page 6474 > < Air Conditioning System (for Automatic Air Conditioning System)|Page 6472
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Ambient Temperature Sensor / Switch HVAC: Testing and Inspection

HEATING / AIR CONDITIONING: AMBIENT TEMPERATURE SENSOR: INSPECTION

INSPECTION

1. INSPECT AMBIENT TEMPERATURE SENSOR

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

NOTICE:
-

Hold the sensor only by its connector. Touching the sensor may change the resistance value.

-

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

HINT:  As the temperature increases, the resistance decreases (see the graph).
If the resistance is not as specified, replace the ambient temperature sensor.

Text in Illustration

Air Conditioning System (for Automatic Air Conditioning System)|Page 6474 > < Air Conditioning System (for Automatic Air Conditioning System)|Page 6472