On a 1999 Ford Contour does the ECM control the engine cooling fans.?

Asked by Jul 05, 2014 at 05:12 PM about the 1999 Ford Contour 4 Dr SE Sedan

Question type: Maintenance & Repair

I have replaced the sensors, relays, resistors, checked all the grounds and connections. The fans will work if I run a hot wire to them, but will not come on automatically when the engine is hot. Does the ecm control the as well? Could the circut for the fans in the ecm be bad?

2 Answers

72,475

Yes. When the ECM determines the coolant temperature is at a level (usually around 220°F) where the fans are needed it commands the fans on. The ECM determines this by the signal it receives from the coolant temperature sensor. HTH. -Jim

3 of 3 people found this helpful.
4,645

have you replaced your thermostat?

1 of 1 people found this helpful.

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