FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Ambient Temperature Sensor / Switch HVAC: Service and Repair

AIR THERMO SENSOR INSPECTION

INLET SIDE
Measure the resistance between connector terminals 1 and 3 under at least two different temperatures. The resistance values should generally match those in the graph.

NOTE: The temperature at the check should not exceed the range in the graph.

OUTLET SIDE
Measure the resistance between connector terminals 4 and 5 under at least two different temperatures. The resistance values should generally match those in the graph.

NOTE: The temperature at the check should not exceed the range in the graph.