E46 Fan Not Turning On at Melva Spruell blog

E46 Fan Not Turning On. Still have to keep an eye on the temps though. None of the buttons on the dashboard seem to work. If the fan responds correctly, its the sensor. If the electric fan isn't coming on, first thing i'd do is to run a 12 volt wire and ground to it to check that it does turn on. It's a make shift solution but it worth in most situations. No, only comes on when the coolant is too hot. Fan does not seem to come on for 20 sec when the car is first turned on! I am unable to turn on my ac/fan/defrost. These fans require a pulse width modulation signal to make them turn, you can't apply 12v to get them turning. If the belt/viscous clutch fan is moving enough air (assuming your car has auto. Plug in dis, power up the fan, adjust the speed variably. Fan does not come on all the way up to 210f. I have this on my e36. Running the a/c will force the fan on to cool the a/c coil.

Fan does not seem to come on for 20 sec when the car is first turned on! Fan does not come on all the way up to 210f. None of the buttons on the dashboard seem to work. Running the a/c will force the fan on to cool the a/c coil. These fans require a pulse width modulation signal to make them turn, you can't apply 12v to get them turning. It's a make shift solution but it worth in most situations. I have this on my e36. No, only comes on when the coolant is too hot. If the belt/viscous clutch fan is moving enough air (assuming your car has auto. Plug in dis, power up the fan, adjust the speed variably.

Exhaust fan not turning on or AC inside, fan turns on when manually

E46 Fan Not Turning On It's a make shift solution but it worth in most situations. Fan does not come on all the way up to 210f. I have this on my e36. Plug in dis, power up the fan, adjust the speed variably. I am unable to turn on my ac/fan/defrost. It's a make shift solution but it worth in most situations. Fan does not seem to come on for 20 sec when the car is first turned on! If the belt/viscous clutch fan is moving enough air (assuming your car has auto. These fans require a pulse width modulation signal to make them turn, you can't apply 12v to get them turning. If the fan responds correctly, its the sensor. No, only comes on when the coolant is too hot. If the electric fan isn't coming on, first thing i'd do is to run a 12 volt wire and ground to it to check that it does turn on. Still have to keep an eye on the temps though. Running the a/c will force the fan on to cool the a/c coil. None of the buttons on the dashboard seem to work.