GM Malibu/Cutlass 1997-2000

Electric Fan Switch

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OPERATION



Dual electric cooling fans aid air flow through the radiator. The fans are driven by electric motors that attach to the fan shroud.

The fans are activated by the coolant fan relays.


CAUTION
Electric cooling fans may start at any time. Disconnect the battery before performing any service near coolant fans.



Click image to see an enlarged view

Fig. Caution should be used whenever working around electric cooling fans

The Powertrain Control Module (PCM) regulates voltage to the fan relays. Information is supplied to the PCM regarding engine cooling needs by the Engine Coolant Temperature (ECT) sensor.

TESTING



for testing of the Engine Coolant Temperature (ECT) sensor.

REMOVAL & INSTALLATION



for removal & installation of the Engine Coolant Temperature (ECT) sensor.

 
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