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Ambient Temperature Sensor

Remove radiator grille. Unplug ambient temperature sensor connector. Measure resistance between sensor terminals while heating sensor. See AMBIENT TEMPERATURE SENSOR SPECIFICATIONS  table. Replace sensor if resistance is not as specified.

AMBIENT TEMPERATURE SENSOR SPECIFICATIONS

Sensor Temperature - °F (°C) (1) Ohms
77 (25) 1600-1800
122 (50) 500-700
(1) As temperature increases, resistance should gradually decrease.
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