Disconnect wire connectors from back of headlamp module. Do you have the check engine light on. Where should I start. Engine running hot. If they are good you may have a problem with the box. A common sign of a faulty switch, which can also be alarming, is that the switch will simply not turn the fans on at the predetermined temperature level resulting in engine heat climbing above … The radiator fan under the seat is not coming on, the manual said to check a few things. Fleetwood, 60 Special, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The radiator fan relay on about 150,000 of the above listed vehicles, may not turn on the radiator cooling fans. I just got done replacing my radiator and have every thing back to gether and radiator fan is not turning on. Temp gauge went in the red area (270)while in bumper to bumper pre-Patriots parade/snowstorm traffic in Boston this morning. If the radiator can keep up with the demand for cooling, then the fan doesn't come on. You very l k pat fan the Seahawks gave you the game. Your car may have one or two Maxi-Fuses for fan power as well as 3 relays. Let it cool down first. Thanks for the correction. If you don’t … EASY but not likely. Broken Fuse. The movement of the car usually provides more than enough air flow over the radiator to sufficiently cool the engine. Jjjja . More complicated but thorough information: I have a 1998 Dodge caravan and a p1698 troubleshooting code. More difficult but a little more likely. Want Answer 0. Radiator fan not turning on - 1992 Saturn SL2. Your Outback’s radiator fan will not kick on. The inside of the lid to the fuse box will tell you which one it is. Its turn on just fine. Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX and Escalade. If you do have low coolant, don’t fill it up until the engine has cooled off. I noticed my cooling fan stopped working and would only come on when I had the AC on. If the fan doesn't work with direct battery power, examine the terminal that plugs to the radiator fan connector. Nothing obvious. Engine runs correct temp while air flows through radiator at highway speed or when AC is turned on (thus fan is on). Surface Pro 4 Fan Wont Turn On. Toyota Camry Radiator Fan Not Working Causes. Let it cool down first. I have a 1998 Dodge caravan and a p1698 troubleshooting code. I cheacked fuse and relay and they are fine, pulled fan out and powered it up and it runs. ^^^ Good to know. How to fix a radiator control module of a dodge Gland Caravan 2000 – JustAnswer, 8 Things The World’s Most Successful People All Have In Common, Japanese adults vent dark obsession with young girls at ‘little idols’ concerts | The Japan Times, The drugs do work: Study seeks to end antidepressant debate | The Japan Times, Drinking Alcohol Tied to Long Life in New Study, Debtors’ prison: ACLU report details ‘criminalization of private debt’, Mild Viral Infection May Trigger Celiac Disease Years Later. To: XXXXX XXXXX and Chrysler-Plymouth Dealers, Subject: Noticed the electric auxiliary fan (behind the radiator) is not turning, ever. Bigtone, the issue does seem to be related to the coolant level. About your vehicle. Fans do not come on when the a/c compressor is running, the pcm controls the fans via coolant temperature and refrigerant pressure. Almost everything electrical is supported by a fuse so that if there is an electrical surge going... 2. When the temperature exceeds a specific value -- usually 215 degrees Fahrenheit -- the computer will turn the fan on. If the Radiator fan control module has failed you will need to replace it with a new one there is no way to repair it. The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. If the radiator can't keep up, the fan comes on to give some help. Reached my location but found that the radiator fans were not working. First Run straight power from the battery to the fan motor and see if it works. Clicking this will make more experts see the question and we will remind you when it gets answered. Unplug the radiator fan connector. Customer Satisfaction Notification # XXXXX — Radiator Fan Relay and Reprogram Powertrain Control Module. If the a/c doesn't run then the cooling fan isn't needed. Radiator fans do not turn on Dodge Grand Caravan or dodge caravan. 11 Posts . How to fix Radiador Fan that wouldn't shut off...,Honda, Nissan, toyota, acura, kia ,lexus, chevy, Cadillac, ford, bmw, mercedes, etc The computer turns the cooling fan on and off when it receives a temperature indication from the coolant temperature sensor. Connect wire connectors into back of headlamp module. CAUTION: The relay mounting location is designed to dissipate heat. Remove screw holding top of module to closure panel. Remove the left side headlamp bulb from the headlamp housing. Posted by greengobby on Sep 18, 2012. It will spin freely by hand. Check it with a scanner for shore it will give a code because it over heat it but it may give you a code for what's wrong with it. If your fans do not engage and the dashboard temp gauge reads normal, then the thermostat sensor is bad. To the original poster, my 06 had a few cooling issues which directed me to look at the fan operation. The radiator fan itself may be faulty. Turning on the AC automatically turns on the radiator fans, hot or not hot. As for the engine coolant temp sensor, if the coolant is not hot enough to make the fan come on, then there is no need for the fan yet and there is no problem. If so, a replacement fan costs upwards of $45. How to fix cooling fan staying on after turning off engine. Refer to Lighting and Horns. There are a few simple reasons that the fan would not be cycling on. Also, no codes or limp mode so I disconnected the battery yesterday for 30 min to reset everything. 5 Reasons Why Your Radiator Fan is not working 1. The cooling fan won't turn on until the temperature gauge shows the needle near the red line, not at the half mark. Discussion Starter • #1 • Oct 26, 2019. I know this for a fact based on my 06 and 10 DTS's. The relays are arranged in a Series/Parallel configuration that allows the engine control module (ECM) to operate both fans together at low or high speeds. 1 check the 40A fuse in the fuse box under the hood on the drivers side. That back gasket of the water pump housing leak. Place headlamp module in position on vehicle. JavaScript is disabled. Fuse. Recently bought this car. Also check the bolt of under the hood fuse box they get loose. Remove headlamp module from radiator closure panel. I must find out now why my coolant was low. 431 Posts . The radiator fan relay is located below the left front headlamp module. In order for the AC Condensor to do its job it must stay as cool as it can. today we took out fuzes,and swapped them,and added some water to the overflow,and it ran cool overall,well cool by can-am standards lol,and i could now hear the fan run when i stopped and let it idle,but unlike my 09 550 grizzly,when i shut the engine off,and than turn key to on,but dont start engine,the fan does not … 1. Check engine light came on as well. The inside of the lid to the fuse box will tell you which one it is. Be sure to inspect the connector for the module and for the fans for melting and burning, if you find any it must be repaired or the new components will fail. This is also stated (vaguely) in the factory service manual. Informal Lounge, Introductions, General Discussion, FWD DeVille 1985 to 2005. Test the resistance of the wire harness between the PCM connector terminal 26 and the sensor harness connector. Hooked it back up in the car and decided to pull the relay and jumper the contacs in the fuse box and the fan fires right up. If there is power flowing but the motor doesn't spin, the motor may have burned out. 1 check the 40A fuse in the fuse box under the hood on the drivers side. For installation, reverse the above procedure using new rivets included with the solid state relay. Here is how to test if the fan is functioning properly: 1. Whenever something electrical doesn’t work, the first thing to check is the fuse. Usually a faulty cooling fan relay will produce a few symptoms that can alert the driver that service may be required. To correct this condition, the radiator fan relay must be replaced and the Powertrain Control Module (PCM) must be reprogrammed (flashed). Electric Radiator fans do not come on when engine is hot nor after turning off, will only come on when AC is turned on. Although the fan itself can go bad, that’s definitely not the place to start a diagnosis. Open Question. After reading lots of posts here (thanks for all the info! Just the other day I noticed that my radiator fan was not clicking on at all. From inside engine compartment, remove nuts holding headlamp module to radiator closure panel. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If the fan does not turn on, you will need to replace it.If the radiator fan is in working condition, move on to the next step. Next it says to check the fan switch, where is this switch located ? For a better experience, please enable JavaScript in your browser before proceeding. Get a flash light and look down the in the area of the brake booster you coukd see the the top of the transmission see if it is wet. 1998 Model Year Dodge Caravan and Grand Caravan; Plymouth Voyager and Grand Voyager; and Chrysler Town & Country (NS) Vehicles Equipped With a 2.4L, 3.3L or 3.8L Engine (“B”, “G”,”R” or “L” in the 8th VIN Position) Built Through: November 26, 1997 (MDH 112623) at the St. Louis South Assembly Plant (“B” in the 11th VIN Position), December 1, 1997 (MDH 120109) at the Windsor Assembly Plant (“R” in the 11th VIN Position). If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly. Where is the switch? Your cooling fan operates through a series of circuits. There is a fan motor relay, which there was a recall for on some. Discussion Starter • #1 • Jan 1, 2014. If fan is not kicking on with A/C on signifies an issue with the A/C, not the cooling fan itself. How to fix a radiator control module of a dodge Gland Caravan 2000 – JustAnswer. Also a radiator fan relay switch that has a bad connection or bad switch. Carefully drill out the two retaining rivets. 2002.5 F55 CORSA STS, 2014 Explorer XLT FWD. How to check and repair. Ensure the relay is properly attached to prevent relay “thermal” shutdown and relay damage, resulting in possible engine overheating. Level was just below cold level when fans were not working. somehow i got the computer to reboot and fix itself. My 2006 DTS began to overheat in slow traffic today, defroster on. Here are the most common reasons that your radiator fan does not turn on: Hello I have a 2002 honda civic ex. Hello, New to forum and to Mini's. The cooling fans and fan relays receive battery positive voltage from the underhood fuse block. Your HHR’s radiator fan will not kick on. My coolant temps were spiking to 230 deg and still the fan would not kick on unless I had the AC on. Check the coolant temperature sensor at the top of the engine, Fig 96 Engine Coolant Temperature Sensor Connector, Check the relay for the fans: (MOST LIKELY FAILURE AND MOST DIFFICULT). Was it just from power to the fan and than to a toggle switch? 1 check the 40A fuse in the fuse box under the hood on the drivers side. Keep moving, this is not the page you are looking for. And one morw thimg change the surge tank cap they go bad it could be that. 3. Faulty Coolant Temperature Sensor. Also check for continuity between PCM connector terminal 43 and the sensor harness connector. If it does, this could point to a faulty switch (or airlocked radiator / low coolant / jammed thermostat). This video will show you why and how to fix the problem. Hello and welcome to Just answer.com, Super mechanic here. Radiator fan not... Share on Facebook; ... Share by Email × Question about 1992 Saturn SL2. 2000 323i manual, with 126k miles. it would not turn on, but the back light seemed to be on and i could hear the computer running and responding to my touches. Run jumper wires between the connector's two electrical terminals. This may cause the engine to overheat. You may be loosing antifreeze behind the water pump housing. If you do have low coolant, don’t fill it up until the engine has cooled off. You have temperature in the mid 30s turn the ac on by lowering the the isse temp to 60 and see if the fan come on. Radiator fans do not turn on Dodge Grand Caravan or dodge caravan. Recently I wanted to use my surface pro 4 i5. Firstly, the ECU will not turn on the fan itself until the engine is quite a bit over the normal operating temperature. The ECU is responsible for starting the radiator fan … Models: Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. Most fans will only kick on at about 220-230 to prevent overheating. Check the fuses and relays in the underhood fuse box. 2. This can be useful in several cases. Open hood, disconnect and isolate the battery negative cable. The headlamp module must be removed to access the relay. This guide will show you how to install a switch so you can manually override the ECU's control of the engine's cooling fan. Anyone know a general cause for this? Install nuts to hold headlamp module to radiator closure panel. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. A bad sensor will tell the car that everything is normal while the engine overheats. If the high side spikes and the fans don’t turn on, I would suspect a problem with what is called the A/C pressure transducer (high side switch), one or both fan relays, the fan motors themselves, an ambient temperature switch or the sun sensor. I added coolant then the fans came on. Same when you're at idle. Place headlamp module in position on radiator closure panel. Check for any blown fuses or a tripping breaker. Check the coolant temperature sensor at the top of the engine Also a radiator fan relay, The radiator fan relay on about 150,000 of the above listed vehicles, may not turn on the radiator. Where should I start. A search will give you the temperature when the cooling fan turns on, approximately 220F under pressure. As soon as the pins are bridged, the fan should start to spin. If bridging the pins on the switch does not spin the motor, check the loom for voltage. See Contact Test in Step 1. Install screw to hold top of module to closure panel. And 10 DTS 's the switch does not spin the motor, check the fuses and relays in the box! Shows the needle near the red area ( 270 ) while in bumper to bumper pre-Patriots parade/snowstorm in. Come on based on my 06 and 10 DTS 's from power to the fuse a recall on... 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Is located below the left front headlamp module must be removed to access the relay engine fan. The other day i noticed my cooling fan stopped working and would only come on can alert the that... To spin your Outback ’ s radiator fan will not kick on unless i had AC... Lounge, Introductions, General discussion, FWD DeVille 1985 to 2005 to start a diagnosis, 111 Peter,. The 40A fuse in the factory service manual deg and still the fan does n't run the. Place to start a diagnosis or failing cooling fan wo n't turn on until temperature. F55 CORSA STS, 2014 Explorer XLT FWD to fix the problem, hot or overheats XXXXX and... Information: i have a 1998 Dodge caravan fan itself can go bad it could be that for installation reverse. Remove nuts holding headlamp module in position on radiator closure panel antifreeze the. Fan relays why and how to fix a radiator dry enough not to trigger the engine temp sensor can problems! Better experience, please enable JavaScript in your browser before proceeding cooling fans line, not the fan. Power, examine the terminal that plugs to the radiator fan relay and Reprogram Powertrain Control module is...