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Radiator Cooling Fan Control Module: Testing and Inspection
Coolant Temperature Sensor

1. Remove engine coolant temperature sensor from intake manifold.
2. With sensing end immersed in hot water resistance should be as follows:

a. 5800 ohms @  32°F.
b. 2400 ohms @  68°F.
c. 1100 ohms @ 104°F.
d.  300 ohms @ 176°F.

3. If resistance is not as indicated, replace sensor.

Relays and Modules > Relays and Modules - Cooling System > Radiator Cooling Fan Control Module > Component Information > Testing and Inspection > Coolant Temperature Sensor

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