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