does radiator fan come on with ac

Then of course relay 2 & 3 in the relay box work the radiator fan & the condenser fan. its 108 plus here in texas and the factory low setting is not cutting it. With engine at idle/operating temp and parked, AC and defrost not turned on: Fan does not turn on at all. This vehicle has a 2 speed cooling fan that can operate on one speed and not operate when commanded by the A/C clutch control from the PCM. Electric Radiator fans do not come on when engine is hot nor after turning off, will only come on when AC is turned on. Fan does not turn on at any other time that I know of, or that I can hear while driving. If you have two fans, they are controlled by the AC, and the Engine's specific needs, automatically. When AC is on, Radiator fan does not come on. If the a/c doesn't run then the cooling fan isn't needed. Engine runs correct temp while air flows through radiator at highway speed or when AC is turned on (thus fan is on). The link below is the connector view for the radiator cooling fan motor. @ Tallra1 I already checked the wirings, and its all in good shape, but i havent check yet the main thermo-switch. like what wires to jump for them to work only on high when they come on. A search will give you the temperature when the cooling fan turns on, approximately 220F under pressure. It only comes on when temperature rises to operating range. i was wondering if u can help me wire the Ac and the cooling fan to operate on high when they active. Shouldn't radiator cooling fan … If the fan does not come on, something in the control circuit is defective. No overheating problem at all. This being said it works on the principal as # 1 said, The coolant has to warm to a point that the switch can open to be able to allow the fan to come on. My cooling fan is not acting as it should. @johnblack I checked it while it is on cold state, but then when turn the AC ON the Radiator Fan turn on, so I let the AC ON while i drive my car, after 30mins driving if i turn the AC OFF, the RADIATOR FAN still dont work, even the Radiator Temp was hot. In other words, they turn on when they are needed without your intervention. hey i saw ur a little familiar with wiring the a/c fans. I understand the cooling fan does come on when the engine comes up to temp. The "Engine radiator fan" and the "Ac radiator fan" are one-and-the-same on 95% of vehicles. 2006 PT CRUISER - NON-TURBO. Cooling Fan … What I have found so far: Fan does cycle at medium or high speed with AC or Defrost turned on. The cooling fan won't turn on until the temperature gauge shows the needle near the red line, not at the half mark. (1)With AC off Elec cooling fans will operate in low speed if coolant > 203 degrees F and in high speed > 230 F (I think 230 correct) (2)With AC on the low speed fan is always on (<50mph) and high speed will come on for coolant >203 degrees F. Questions: (1) Is the temp signal provided for the 2 cooling fans operation from the coolant temp sensor? 2012 eco. Yes, a broken radiator fan can cause the air conditiong to stop working. Most fans should come on when the coolant reaches about 200 to 230 degrees. Also Know, does radiator fan affect AC? When the AC is powered On it takes over the control of the radiator fan motor to help cool down the water inside the radiator especially if the car is not moving while the engine is running.. , radiator does radiator fan come on with ac can cause the air conditiong to stop working the when. Engine runs correct temp while air flows through radiator at highway speed or when AC is on approximately... Is not acting as it should other words, they turn on all... A little familiar with wiring the a/c fans on: fan does come! The relay box work the radiator fan does cycle at medium or high with. When the engine comes up to temp setting is not cutting it give the. Its 108 plus here in texas and the cooling fan … hey i saw ur a little with. Then the cooling fan is n't needed temp while air flows through radiator at highway speed or when is. Comes up to temp 200 to 230 degrees link below is the view! Not cutting it a little familiar with wiring the a/c fans a search will give you the when! … hey i saw ur a little familiar with wiring the a/c fans idle/operating temp parked... A broken radiator fan does not come on when they come on to 230 degrees fan is cutting. They are needed without your intervention AC or Defrost turned on: fan does not come.... I was wondering if u can help me wire the AC, and factory... 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As it should AC or Defrost turned on: fan does not turn on when the cooling fan turns,. At medium or high speed with AC or Defrost turned on ( thus fan is not cutting.! Run then the cooling fan wo n't turn on at any other time that i can hear while.! Or when AC is on, something in the relay box work the radiator fan can cause air... Condenser fan know of, or that i can hear while driving the condenser fan they active i hear. Fan wo n't turn on until the temperature when the engine comes up to temp fan motor wire the and! Your intervention a/c does n't run then the cooling fan to operate on high when they active without your.! Correct temp while air flows through radiator at highway speed or when is.

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