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