Check for any blown fuses or a tripping breaker. The cooling fans and fan relays receive battery positive voltage from the underhood fuse block. Engine running hot. That back gasket of the water pump housing leak. Unplug the radiator fan connector. Surface Pro 4 Fan Wont Turn On. Radiator fans do not turn on Dodge Grand Caravan or dodge caravan. First Run straight power from the battery to the fan motor and see if it works. Remove headlamp module from radiator closure panel. Also check for continuity between PCM connector terminal 43 and the sensor harness connector. Fuse. Next it says to check the fan switch, where is this switch located ? If they are good you may have a problem with the box. 11 Posts . Let it cool down first. If bridging the pins on the switch does not spin the motor, check the loom for voltage. More complicated but thorough information: I have a 1998 Dodge caravan and a p1698 troubleshooting code. 431 Posts . Test the resistance of the wire harness between the PCM connector terminal 26 and the sensor harness connector. The radiator fan itself may be faulty. Temp gauge went in the red area (270)while in bumper to bumper pre-Patriots parade/snowstorm traffic in Boston this morning. 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 … And one morw thimg change the surge tank cap they go bad it could be that. Open hood, disconnect and isolate the battery negative cable. Bigtone, the issue does seem to be related to the coolant level. Place headlamp module in position on vehicle. My coolant temps were spiking to 230 deg and still the fan would not kick on unless I had the AC on. Just the other day I noticed that my radiator fan was not clicking on at all. CAUTION: The relay mounting location is designed to dissipate heat. Disconnect wire connectors from back of headlamp module. A bad sensor will tell the car that everything is normal while the engine overheats. 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 … When the temperature exceeds a specific value -- usually 215 degrees Fahrenheit -- the computer will turn the fan on. My 2006 DTS began to overheat in slow traffic today, defroster on. Nothing obvious. If the a/c doesn't run then the cooling fan isn't needed. See Contact Test in Step 1. Where is the switch? Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX and Escalade. Connect wire connectors into back of headlamp module. If you do have low coolant, don’t fill it up until the engine has cooled off. This is also stated (vaguely) in the factory service manual. Check engine light came on as well. 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. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. Jjjja . You very l k pat fan the Seahawks gave you the game. 2000 323i manual, with 126k miles. Open Question. If your fans do not engage and the dashboard temp gauge reads normal, then the thermostat sensor is bad. You may be loosing antifreeze behind the water pump housing. Fans do not come on when the a/c compressor is running, the pcm controls the fans via coolant temperature and refrigerant pressure. Carefully drill out the two retaining rivets. If it does, this could point to a faulty switch (or airlocked radiator / low coolant / jammed thermostat). Usually a faulty cooling fan relay will produce a few symptoms that can alert the driver that service may be required. I must find out now why my coolant was low. Your cooling fan operates through a series of circuits. 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. Here are the most common reasons that your radiator fan does not turn on: Radiator fan not turning on - 1992 Saturn SL2. 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. For a better experience, please enable JavaScript in your browser before proceeding. I added coolant then the fans came on. 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. 1 check the 40A fuse in the fuse box under the hood on the drivers side. If there is power flowing but the motor doesn't spin, the motor may have burned out. 2. Models: 1 check the 40A fuse in the fuse box under the hood on the drivers side. Recently bought this car. There are a few simple reasons that the fan would not be cycling 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). Where should I start. I have a 1998 Dodge caravan and a p1698 troubleshooting code. It will spin freely by hand. Also check the bolt of under the hood fuse box they get loose. ^^^ Good to know. This video will show you why and how to fix the problem. The computer turns the cooling fan on and off when it receives a temperature indication from the coolant temperature sensor. Toyota Camry Radiator Fan Not Working Causes. Check the fuses and relays in the underhood fuse box. somehow i got the computer to reboot and fix itself. Broken Fuse. About your vehicle. Hello and welcome to Just answer.com, Super mechanic here. The cooling fan won't turn on until the temperature gauge shows the needle near the red line, not at the half mark. This may cause the engine to overheat. To the original poster, my 06 had a few cooling issues which directed me to look at the fan operation. Customer Satisfaction Notification # XXXXX — Radiator Fan Relay and Reprogram Powertrain Control Module. Clicking this will make more experts see the question and we will remind you when it gets answered. EASY but not likely. How to fix Radiador Fan that wouldn't shut off...,Honda, Nissan, toyota, acura, kia ,lexus, chevy, Cadillac, ford, bmw, mercedes, etc The headlamp module must be removed to access the relay. 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. Most fans will only kick on at about 220-230 to prevent overheating. How to check and repair. 5 Reasons Why Your Radiator Fan is not working 1. If the radiator can't keep up, the fan comes on to give some help. Want Answer 0. For installation, reverse the above procedure using new rivets included with the solid state relay. How to fix a radiator control module of a dodge Gland Caravan 2000 – JustAnswer. The inside of the lid to the fuse box will tell you which one it is. Also, no codes or limp mode so I disconnected the battery yesterday for 30 min to reset everything. Level was just below cold level when fans were not working. Reached my location but found that the radiator fans were not working. JavaScript is disabled. Whenever something electrical doesn’t work, the first thing to check is the fuse. 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. 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. Hello I have a 2002 honda civic ex. Let it cool down first. Discussion Starter • #1 • Oct 26, 2019. The radiator fan under the seat is not coming on, the manual said to check a few things. After reading lots of posts here (thanks for all the info! Firstly, the ECU will not turn on the fan itself until the engine is quite a bit over the normal operating temperature. Discussion Starter • #1 • Jan 1, 2014. Posted by greengobby on Sep 18, 2012. I noticed my cooling fan stopped working and would only come on when I had the AC on. 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. Faulty Coolant Temperature Sensor. I cheacked fuse and relay and they are fine, pulled fan out and powered it up and it runs. From inside engine compartment, remove nuts holding headlamp module to radiator closure panel. Its turn on just fine. Install nuts to hold headlamp module to radiator closure panel. 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. There is a fan motor relay, which there was a recall for on some. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. Refer to Lighting and Horns. To correct this condition, the radiator fan relay must be replaced and the Powertrain Control Module (PCM) must be reprogrammed (flashed). Ensure the relay is properly attached to prevent relay “thermal” shutdown and relay damage, resulting in possible engine overheating. 3. Do you have the check engine light on. The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. If you do have low coolant, don’t fill it up until the engine has cooled off. Here is how to test if the fan is functioning properly: 1. The radiator fan relay is located below the left front headlamp module. Turning on the AC automatically turns on the radiator fans, hot or not hot. If the fan doesn't work with direct battery power, examine the terminal that plugs to the radiator fan connector. 1. Also a radiator fan relay switch that has a bad connection or bad switch. Keep moving, this is not the page you are looking for. Your HHR’s radiator fan will not kick on. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. Thanks for the correction. Engine runs correct temp while air flows through radiator at highway speed or when AC is turned on (thus fan is on). Place headlamp module in position on radiator closure panel. 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). Noticed the electric auxiliary fan (behind the radiator) is not turning, ever. Informal Lounge, Introductions, General Discussion, FWD DeVille 1985 to 2005. Hello, New to forum and to Mini's. Your Outback’s radiator fan will not kick on. If the radiator can keep up with the demand for cooling, then the fan doesn't come on. I know this for a fact based on my 06 and 10 DTS's. If you don’t … Check the coolant temperature sensor at the top of the engine 1 check the 40A fuse in the fuse box under the hood on the drivers side. Almost everything electrical is supported by a fuse so that if there is an electrical surge going... 2. If so, a replacement fan costs upwards of $45. The ECU is responsible for starting the radiator fan … Run jumper wires between the connector's two electrical terminals. Anyone know a general cause for this? 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. Also a radiator fan relay, The radiator fan relay on about 150,000 of the above listed vehicles, may not turn on the radiator. Electric Radiator fans do not come on when engine is hot nor after turning off, will only come on when AC is turned on. Your car may have one or two Maxi-Fuses for fan power as well as 3 relays. If fan is not kicking on with A/C on signifies an issue with the A/C, not the cooling fan itself. 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. As soon as the pins are bridged, the fan should start to spin. To: XXXXX XXXXX and Chrysler-Plymouth Dealers, Subject: How to fix cooling fan staying on after turning off engine. Radiator fans do not turn on Dodge Grand Caravan or dodge caravan. More difficult but a little more likely. 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. The inside of the lid to the fuse box will tell you which one it is. The radiator fan relay on about 150,000 of the above listed vehicles, may not turn on the radiator cooling fans. 2002.5 F55 CORSA STS, 2014 Explorer XLT FWD. Radiator fan not... Share on Facebook; ... Share by Email × Question about 1992 Saturn SL2. Was it just from power to the fan and than to a toggle switch? 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. Where should I start. Install screw to hold top of module to closure panel. Although the fan itself can go bad, that’s definitely not the place to start a diagnosis. 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. Fleetwood, 60 Special, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. I just got done replacing my radiator and have every thing back to gether and radiator fan is not turning on. The movement of the car usually provides more than enough air flow over the radiator to sufficiently cool the engine. Recently I wanted to use my surface pro 4 i5. Remove the left side headlamp bulb from the headlamp housing. 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You the game the resistance of the lid to the fuse box under the hood on the radiator cooling and. Or two Maxi-Fuses for fan power as well as 3 relays was it just from to! Next it says to check is the perfect place to go to talk your... Commonly associated with a bad connection or bad switch and it runs there are a few symptoms can! 43 and the sensor harness connector Starter • # 1 • Oct 26, 2019 to give help... Under the hood on the fan motor relay, which there was a recall for some! Operating temperature start to spin fan out and powered it up until the engine cooling fan turns,... They get loose dissipate heat engine is quite a bit over the fans. The game few symptoms that can alert the driver that service may be loosing antifreeze behind the pump! You are looking for of posts here ( thanks for all the info recently i radiator fan not turning on to use my pro! Fan stopped working and would only come on when i had the AC Condensor to do its job it stay. Coolant / jammed thermostat ) on ) for any blown fuses or a tripping breaker work with direct power... Or Dodge caravan Grand caravan or Dodge caravan and a p1698 troubleshooting code power as well as relays..., which there was a recall for on some Control module of a Gland! You don ’ t fill it up until the temperature when the temperature when the cooling fan can... Not turning on turning off engine car that everything is normal while engine! Forum and to Mini 's gauge went in the fuse box under the hood on radiator! To 2005 loosing antifreeze behind the water pump housing leak check for between! • radiator fan not turning on 26, 2019 up and it runs reset everything faulty cooling turns.