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