Camry :: Cooling Fans Will Not Come On Except When AC Turned On And Stop Working When AC Turned Off
Jun 8, 2015
2003 camry 2.4 ... This is what is happening, cooling fans will not come on except when the AC is turned on and they will stop working when the AC is turned off, otherwise the car will over heat.
This is what I have done...Replaced the fans (because the radiator fan was bad, after hooking them up directly to the battery). I checked all the grounds, including the one under the intake, checked the fuses, checked relays using 12vots to the relay and used a ohm meter to see if it made contact when activated, on the three fan relays. Replaced and tested the new radiator sensor using a pot of water on the cooking stove with a cooking temperature gauge and ohm meter. It tested ok.
Unplug the radiator sensor while the car is running, the fans will come on, but go off as soon as it is plug back in, even when the motor is over heating. Also replaced the thermostat.
What can I do next, before I burn the motor up trying to fix it? Motor just started running rough. Just now pulled up a code of the number three cylinder miss firing
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I have a 2001 jetta 1.8 turbo. when I turn the car off the cooling fans stay on and kill my battery. Ive been told it could either be a relay or temp sending unit but i dont know what one to tackle first, also my coolent temp stays way low almost as if the thermostat is stuck open.
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I have changed all fuses and even the temp sensor to the green one. My fans wont kick on unless I put on the AC. Where is the fan control module?
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I own a 2006 Prius with 52k miles on it. Great car BTW. The problem is simple, the radiator cooling fans stopped working on high mode; they run around 25% only even, not removing the heat from the a/c evaporator and the radiator coolant. I checked fuses: OK, checked relays: OK. They spin freely and nothing is blocking the front face of the evaporator. Funny I noticed it when I started hearing the a/c compressor buzzing noise and then I realized the fan noise wasn't there!
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My wife's 2009 Ford Flex has an intermittent radiator cooling fan issue. It has dual cooling fans and with the AC on, the passenger side fan runs wide open but the driver side fan doesn't run. With the AC off, neither fan runs even though I let the car idle for a long time to try and get it hot enough to allow the fan(s) to turn on. It doesn't matter if the engine is cold or warm, the passenger side fan runs extremely fast when the AC button is pushed. I've checked all connections and applied some dielectric grease to the connections. I also checked the fuses to the fans. Have to buy the entire dual fan assembly?
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My 2001 alero 3400 engine is getting hot again this alero is running with a 2001 impala engine run great for few months, replace radiator, hoses, thermostat and suddenly coolant start leaking in the overflow, fans not working even with ac on, i replace the etc sensor and did not work, the fans turn on when I disconnect the etc sensor so i think the fan motors are ok. I got one pcm module from the salvage yard in case I need to replace it but I read that only the dealer can reprogram the computer system because vin number issues....
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I am having trouble with my air conditioning system in my 1996 Chevy Lumina. When I turn on the AC, the compressor clutch does not engage and the fans do not spin. I was able to jump the compressor so the clutch engaged, however, the fans still did not spin and the AC was not cold. I then jumped the low pressure cycling switch (near the accumulator), which caused the fans to spin while the compressor was running. However, this still did not produce cold air from the AC and none of the AC lines were cold to the touch. I am starting to think the system is low on Freon, but I do not have gauges to test the pressure.
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I have a 2004 Camry that the cooling fans won't turn on at all. I checked one of the cooling fans by running direct power and it worked. I then checked all the fuses relating to fans and A/C. Then checked relays by using the horn relay in Fan 1 and Fan 3, which are both 4 pin. I bought a new relay for Fan 2 as it was a 5 pin and still no change. The fans don't come on at any stage, turning on A/C or letting the car idle to the point of the water boiling from overflow. I'm thinking it's not the sensors as the fans should turn on when the A/C is turned on.
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Went outside to start my '99 V6 and nothing! No interior lights, no door chime, no annoying ding ding with the key in the ignition. The car ran great yesterday but I noticed it sounded like the cooling fan was running long after the car was turned off in my garage.
I tried using a car starter/charger and charged it up for 3 hours - was reading a positive charge on the gauge- but it won't start. When I get ready to crank the car with the charger attached to it, the fan noise kicks in again but it isn't coming from the radiator fan- it sounds like it is coming from under the air intake for the air filter.
When I attempt to start the car,I can best describe the sound as a machine gun like cranking noise that lasts as long as I turn the key. I am hoping it isn't the starter. The battery is less than 2 years old with about 10k miles on it.
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Several months ago some kind of sensor was replaced on my 1991 Honda Accord. This was the case where the fan would sometimes go on after the engine was turned off. And to turn off the fan it was sometimes necessary to turn on the ignition.
What led up to all this was that one time I was driving up a fairly steep incline to a park. When I turned the engine off that is when the fan turned itself on.
Well, I drove up to that park the other day and the same thing happened (after the whatever was replaced). One thing different though, I did detect a faint whiff of what smelled like burning rubber when I exited the car (to check on the fan).
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