If a new fuse also opens, have the electrical system checked and repaired by a Nissan dealer or a repair facility of your choice. It was something else so I had it fixed... when Theodore came out he looked at the transmission and said that the fluid was very good and did not need flushing. How to Replace a Cooling Fan Relay on Most Vehicles, Symptoms of a Bad or Failing Coolant Reservoir, Symptoms of a Bad or Failing Coolant Recovery Reservoir, How to Replace a Radiator Fan Motor on Most Cars, Symptoms of a Bad or Failing Coolant Temperature Switch (Sensor), How to Remove and Replace a Heater Control Valve. Attila's awesome, he tried hard to fix this last week while the proper tools weren't available and stayed out in the cold really trying. They will be able to look over your vehicle and replace your cooling fan relay if necessary. The relay will usually be activated once it is detected that the vehicle’s temperature approaches excessively high temperatures. Most cooling fans use electric motors that have a moderate to high current draw, and as a result are commonly controlled using relays. It's about a 30 min job to take the glove box down and if you can figure out which relay it is bc I'm not sure it's a simple job. The cooling fan relay is the relay that controls the engine’s cooling fans. The first thing that you would want to do is locate the fuse for your Liberty’s radiator fan and make sure that it hasn’t blown. Any help would be appreciated. COOL FAN 2 Fuse. I’ve got a 2011 Mazda 3 2.5L s grand touring sedan and it seems like the radiator/cooling fan has stopped running when the a/c is turned on. For High Speed - Power from fuse 12 provides power to the Radiator Fan Control Relay, power from fuse 15 provides power to the Radiator Fan High Relay. Where is the cooling fan relay located and how do I change it. I take care of a 75 yr. Took a trip to autozone, they don't even have said relay, didn't know where it even would go, and told me to head to dealership. Based on PCM operating parameters received over the CAN-C BUS the TIPM turns on the Radiator Fan Control Relay, which exits the TIPM and powers the right fan motor. If the cooling fans are staying on at all times, this is another (less common) symptom of a possible problem with the cooling fan relay. Heater Control Panel/HVAC Control Unit, Power Mirrors, Recirculation Control Motor, A/C Compressor Clutch Relay, Blower Motor Relay, Power Mirror Defogger Relay, Rear Window Defogger Relay, Cooling Fan Control Relay and Radiator Ran Relay (A/C Diode), AHB Buzzer (Hybrid), Servo Unit (Hybrid) 37: 7.5 Fuse #8 provides power to the fan relay. Look for Fan Relay #45 in the underhood relay box. Example: Testing the radiator cooling fan relay, the cooling fan should be operating. They should be the same part number. Set the … Non-functional cooling fans are another common symptom of a potential problem with the cooling fan relay. Years 2000 to 2007. At the same time, the fan 3 relay coil is energized closing the relay contacts, and provides battery positive voltage from the FAN 2 fuse on the cooling fan motor supply voltage circuit, to the left cooling fan. In the event the fan fails there is a fuse inline to protect the wiring. I'VE LOOKED AT THE FUSE BOX DIAGRAM FOR THE FUSE PANEL UNDER THE HOOD AND INSIDE THE TRUCK, COULDN'T IT. Installing the fan: When installing electric cooling fans, it is important to cover as much surface area as possible. The main fan is still working today. The most popular service booked by readers of this article is Vehicle Engine Cooling Inspection. Customers may complain their vehicle overheats or A/C […] My 2007 Dodge Nitro SLT 4x4 popped up a code today stating the cooling fan relay was bad. 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A radiator fan requires an average of 15 amps to operate. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. 37. fuse 50A cartridge-j. Trailer tow lamps module. this is really an engine cooling fan relay but I can't find a wiring diagram for another fan relay. 115. relay half. There's an A/C compressor clutch relay which is #44 in the same relay block which is powered by 10A A/C fuse #30. The auxiliary electric cooling fan fuse block is located in the engine compartment on the driver’s side of the vehicle next to the underhood fuse block. I had this problem 3 years ago and the relay was replace then at the dealer. Cooling fans stopped working. When the correct parameters are met, a temperature switch or the computer will activate the relay, which will allow power to the fans. Here is a guide to help you check for power and the fuse location below with the cooling fan … At the same time, the fan 3 relay coil is energized closing the relay contacts, and provides battery positive voltage from the FAN 2 fuse on the cooling fan motor supply voltage circuit, to the left cooling fan. © The relays are above the fuse box which is located in the glove box. One is called the radiator cooling fan and the other is called the A/C condensor fan. Trailer tow stop-turn relay fuse. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. I have each fan wired separately with it's own relay and fuse. Mount the fan as high up on the core as possible. Source: Ford F-150 2015 Owner's Manual. Amazon's Choice for cooling fan fuse Nilight 50003R Automotive Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Wiring Harness-5 Pack,2 Years Warranty 4.7 out of 5 stars 592 Fuse box diagram (location and assignment of electrical fuses and relays) for Mercury Grand Marquis (2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011). If the relay shorts or fails, it will not be able to supply the power for the fans to operate and keep the engine running at normal temperatures. Really appreciated his service. The cooling fan relay is normally located in either the underhood fuse and relay center or mounted to the electric fan assembly behind the radiator. Replacing one requires a new valve, some basic tools, and fresh coolant. There's an A/C compressor clutch relay which is #44 in the same relay block which is powered by 10A A/C fuse #30. GMC Terrain - Oil Pressure Sensor - Perth Amboy, New Jersey. Your car’s manual should show where the fuse for the cooling system is. The relay has four terminals--one that is hot all the time, even with the key off. You could test for power at each relay and remove the fuse ( fuse #14 60 Amp ) and see if you loose power, this should tell you which two relays are involved. This is what I believe: Fuse F07 and relay T07 are for high speed cooling fan operation and fuse F06 and relay T06 are for low speed. Pump, if you look at the diagram, fuse #41, which is before the relay, supplies voltage to the duty side of K19 relay, but to activate the relay it needs a signal from the AAM. Each relay will control a single fan, and a 30 amp fuse is recommended for each relay connection to the battery. Faulty temperature sensor. It is protected by fuse f5 (125A) located in Front pre-fusebox F32. If necessary, a replacement relay costs around $20.There are three ways to check for a bad terminal. A second terminal becomes hot only when the key is on. I do appreciate Theodore he was very kind and considerate an I totally trusted him to not take advantage of me. Where does cooling fan relay switch go in fuse box. Common signs include poor fuel economy, black smoke coming from the engine, engine overheating, and the Check Engine Light turning on. This means the relay contacts are operating normally. A 1992 Toyota Corolla is equipped with 2 cooling fans. Told to check/replace relay. I have a 2013 Ram Cargo Van w/3.6 engine. Most commonly this is a result of a failed head gasket. Repairs covered by 12-month/12,000-mile warranty. 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The engine cooling fan only runs when needed to help cool the engine. The ground path for cooling fan #1 is through the series/parallel cooling fan relay (cool fan 2 relay) and engine cooling fan motor #2. The reason being, on most vehicles, is that the cooling fan doubles as a condenser fan. I would like to do it myself but cannot find it. The fan uses a relay in the fuse relay box under the hood. Alt A sensor. Help with cooling fan fuse/relay (2011) Technical. Where is the cooling fan relay at on a GMC ENVOY 2003 - Answered by a verified GMC Mechanic We use cookies to give you the best possible experience on our website. Also there's Fan Fuse #20 which powers the relay. The same holds true for the fans, if no signal is sent to the relay the fans will not turn on. PRICE : $72.75 FR-70 Fan Relay w/ Maxi Fuse & Holder 70 Amp (Recommended for use with Cooling Components 1700 Electric Fans) First, note that the relay has four terminals: two control terminals and two power terminals. If your cooling fan runs all the time, or not at all, or if your engine runs hot, it might be time to replace your cooling fan motor or relay. COOL FAN 1 Fuse. The freeze plugs are on the side of the engine block and in other areas of the engine that will corrode and rust out over time and may start to leak. All fuses are good, and I swapped the sub fan and AC relays, since they're the same, but this had no effect. COOL FAN1 Relay. My fan quit running and I know the fuse is good. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. 2 Posts #2 • May 11, 2014. Cooling fan relays can stop working for any number of reasons. The heater valve is integral to a vehicle’s cooling system. TSB 12-1-14 2.0L - OVERHEATS - LACKS A/C - COOLING FAN INOPERATIVE - FUSE 17 OPEN Publication Date: January 23, 2012 FORD: 2010-2012 Transit Connect ISSUE: Some 2010-2012 Transit Connect vehicles equipped with the 2.0L engine may experience inoperative electric cooling fan due to a blown fuse. Press the tab on the cover to the front, then fold up the cover. document.write(new Date().getFullYear()) Fuse box in glove compartment. Step 14 - When replacing a relay be sure to match up the terminal location from the old relay to … 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 band is broken or melted, replace the fuse with a new one. Not used. With the AC on, it ran on high all the time, so the engine temp was actually below 200 with the AC on. Cooling fan, low-speed relay Cooling fan, high-speed relay Oxygen sensor Brake light switch Air heating: 11: not used : 12: 10A: Ground: 13: 10A: Fuel pressure regulator: 14: 20A: Engine control unit: 15: 15A: Air-conditioning relay Camshaft position sensor Variable geometry turbine (VGT) EGR Immobiliser control unit Fuse and relay box No. Any good ground to the frame will work. PRICE : $72.75 FR-70 Fan Relay w/ Maxi Fuse & Holder 70 Amp (Recommended for use with Cooling Components 1700 Electric Fans) If no power is observed at either 87 or 30, the fusible link or maxi fuse has shorted. I’d recommend him to any and everyone looking for a great mechanic. As the radiator fan is electrical, the problem could be with the fuse. This energizes the fan 2 relay coil, closes the relay contacts, and provides a ground path for the right cooling fan. Fans are in use most days. When the fan is on too often, or won't come on at all, a new relay may be the solution. By continuing to use this site you consent to the use of cookies on your device as described … I was having trouble with my transmission and thought it needed fluid. ... Electric fan 2 relay. The fan motor on the radiator fails when the engine overheats and the fan does not activate. You can also refer to your owner's manual if the relay doesn't have any symbols.Resistance Test: 1. Order Cooling Fan Motor Relay for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Look for Fan Relay #45 in the underhood relay box. But check the F35 fuse (I think is a 40 amp) and Maxi fuse 36 (engine bay box), and fan relay (don’t know exactly where it’s located). Use a good ground such as the steering column or the dash mount bolt at the kick panel for the ground. Christian picked up a Painless Performance electric fan relay kit with a thermostatic switch from Speedway Motors to control the electric cooling fan … ... Engine cooling fan final stage resistor (resistor) = In engine cooling fan housing. Fan relay fuse WHERE IS THE RELAY FOR THE COOLING FAN ON MY 2001 4.3 LTR S10 CREW CAB PICKUP? I’ve been noticing that the cool air flow is gradually replaced with warm air when the car isn’t moving (brutal during these summer months). This 2012 Ford Focus Fuse diagram post shows two fuse boxes; the Battery Junction Box/Power Distribution Box located under the hood and the Smart Junction Box/Passenger Compartment Fuse Panel. The fan relay is attached to the underside of the frame rail, below the battery tray. There’s lots more information on this site for your vehicle. COOL FAN2 Relay. If you suspect that there is a problem with this electrical component , it needs to be diagnosed by a professional technician who will look over your vehicle and make any replacements to your cooling fan if necessary. 30A. The cooling fan relay is the relay that controls the engine’s cooling fans. Fuse box diagram (location and assignment of electrical fuses and relays) for Buick Encore (2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020) Amp draw on cooling fans? note: or in an ’84 to ‘89 240 you may use the a/c power ‘on’ wire: red/white wire at ac switch microswitch in Attach the fan to the small area around the Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics. To find fuse diagrams, click here To find Relay locations, click here Ford Mustang (1999 – 2004) – fuse box diagram. The primary symptom of a bad radiator fan relay is an inoperative fan. When the A/C is turned on, the fan moves air across the A/C condenser, thereby removing heat … Airconditioner wont work/fresh air fan wont turn on in first 3 positions will work on the highest setting (4) Air conditioner light will come on but because of fan air con wont work . This energizes the relay coil, closes the Fan 1 relay contacts, and supplies current to engine coolant fan motor #1. Hey all, we had a slow speed run through some pretty nasty mud on East TN trails on Saturday. M/T: Cooling Fan Low Relay, Cooling Fan High Relay: F: 50: CVT: Cooling Fan Low Relay, Cooling Fan High Relay: G: 40: BCM (Body Control Module) Daytime Light System Front Fog Lamp Front Wiper And Washer System Headlamp Headlight Aiming System - Manual Illumination Interior Room Lamp Intelligent Key System/Engine Start Function NVIS, Parking Lamps YourMechanic’s technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. They SHOULD BOTH be on anytime the key is on if you have your climate controls set to A/C or DEFROST. Jeep Wrangler - Brake Pads Replacement (Rear) - Renton, Washington, Chrysler Pacifica - Oil Change - Everett, Washington. LEARN MORE. Without any signs of exterior coolant leaks, the leak will likely be interior. The relay controls when the fan turns on and off based on coolant temperature. Once the relay has been identified, gently grasp or touch the relay in question, have a helper turn the … In regards to the Coolant Circ. The resistor for low speed operation is located at about the 1 or 2 o'clock position on the engine side of the radiator shroud. Nov 9, 2011 #10. sevitz5 Veteran Member. Common causes for relays going bad include: Overheating caused by the relay or a part mounted on or near the radiator; Failure of the computer, temperature switch, or relay control module (i.e. As you touch ground with the jumper wire, you should hear a click sound coming from the relay. The radiator fan switch relay may not be supplying power to the fan. this is really an engine cooling fan relay but I can't find a wiring diagram for another fan relay. If the fuse has gone, the mechanic will need to replace it right away. Also there's Fan Fuse #20 which powers the relay. Each relay will control a single fan, and a 30 amp fuse is recommended for each relay connection to the battery. Even this appointment had looked like YourMechanic.com had given up, but he came through! Made with ♥ in Silicon Valley. Pontiac Grand Prix - Vehicle Engine Cooling Inspection - Indianapolis, Indiana, Pontiac G6 - Car is not starting - Lithonia, Georgia, Arrived on time. Theodore was an excellent mechanic... very honest also. 30 amps is normal rating for electric fans on cars, best to keep as few joins in the wiring as this often results in a higher power consumption and often over loads the fuse on start up. What are the symptoms of a bad Radiator Fan Relay? 38. fuse 10A mini. The result is a series circuit with both fans running at low speed. Electric fan 1. The relays are above the fuse box which is located in the glove box. He was very knowledgeable and professional. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. He than looked the car over and noticed it had very little oil in it and a few other things he could fix for me so I had him take care of everything he could find. Most cooling fans use electric motors that have a moderate to high current draw, and as a result are commonly controlled using relays. A faulty cooling fan relay can also negatively affect air conditioning (A/C) performance. may be green wire at a/c clutch. This means that the coolant cannot cool the engine well. Page 24 Fig 03.2 right hand side shows Cooling Fan Module taking input from Engine Control Module EN16-025 and power from Box 25 and Circle 86 ACC I ie key in position 1 Back to Fig 01.2 page 17 Box 25 is fed from fuse F8 80A in Power Distribution Fuse Box direct from battery feed Box 5 Depending on the wiring setup of the vehicle, this may cause them to stay on even when the vehicle is off, which will drain the battery. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. 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. The reason that nobody could tell you where the relay is located - is because there isn't one! Check here for special coupons and promotions. The cooling fan relay essentially functions as the switch for the engine’s cooling fans, and is therefore an important electrical component of the vehicle’s cooling system. But since most drivers are not paying attention to if and when the radiator fan is running, the symptom more likely to be noticed is an engine that … This energizes the fan 2 relay coil, closes the relay contacts, and provides a ground path for the right cooling fan. Now when the switch is turned on it will supply a ground for the relay causing the relay to actuate and turn the fan on. The electric suction fan (engine & a/c) with integrated control (M4/7) is driven from ME-SFI control module [ECU] N3/10. This is the terminal that actuates the relay. If your climate controls are set on HEAT or OFF, then I would check for a stuck cooling fan relay. 116. relay half. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Also, you may want to check out this page and test the cooling sensor as described. But before you start taking stuff apart, check the fuse block on top of the battery. Year of production: 1999, 2000, 2001, 2002, 2003, 2004. Discussion Starter • #1 • Feb 25, 2019. M/T: Cooling Fan Low Relay, Cooling Fan High Relay: F: 50: CVT: Cooling Fan Low Relay, Cooling Fan High Relay: G: 40: BCM (Body Control Module) Daytime Light System Front Fog Lamp Front Wiper And Washer System Headlamp Headlight Aiming System - Manual Illumination Interior Room Lamp Intelligent Key System/Engine Start Function NVIS, Parking Lamps fresh air fan/airconditioner 4 Answers. If the relay shorts internally, it may cause power to be permanently switched on, which will cause the fans to run at all times. PartsSquare 1J0919506K Cooling Fan Control Unit Module Relay Compatible with Beetle Jetta Golf TT 2000-2014 Replace# 1J0 919 506 K Cooling Radiator Fan Control Unit 4.1 out of …