Why is the AC clutch on my Jetta not working?
Make and Model > Volkswagon > Jetta > VW Jetta AC Compressor… Shops are finding the root problem for a VW Jetta compressor clutch won’t engage may be caused by a fuse box corrosion issue, not a bad compressor clutch or low refrigerant issues as most people suspect (VW calls this a fuse bracket).
Why is the ABS light on on my Jetta?
As the terminals corrode, the fuse box develops excessive resistance and heat that can burn up the plastic frame, also resulting in a burned compressor clutch fuse, wire or simply a compressor clutch won’t engage condition. The problem fuse bracket can be found on all 2001-2005 VW Jetta vehicles
Why is the clutch on my VW Beetle not working?
The high amperage power runs through the fuse bracket before going to the positive battery terminal. If the fuse bracket shows signs of corrosion, heat distortion or insulation melting, that heat can also burn the fuse terminals. If you see any signs of corrosion, heat distortion, insulation melting or fuse damage, replace the entire fuse bracket.
How to check the a / C on a Jetta?
This checks the ambient temperature switch (ATS) (normal open circuit below 32° F, continuity above 32° F). 11. Check for 12 volts to pin T4a/1 (red/black) and T4a/3 (red) via fuses S164 and S180 respectively, in the fuse box on top of the battery, at all times.
Are there any problems with the 2014 VW Jetta?
Worst 2014 Volkswagen Jetta Problems #1: Rattling Noise From Engine 2014 Jetta Average Cost to Fix: $2,000 Average Mileage: 36,000 mi. Learn More #2: Engine Dies/Stalls While Driving 2014 Jetta
Why does my VW Jetta shut off in cold weather?
I’m scheduled to bring the vehicle in for a recall for the key column, witch is not associated to the problem according to vw rep. 2014 Jetta with 90000 miles stalls all the time in cold weather. It will just shut off when coming to a stop in traffic or stop signs and red lights.
Where was the Volkswagen Jetta engine shut off?
The vehicle was driven home then the vehcile was taken to bay ridge Volkswagen (718) 351-7000 8910 4th Ave, brooklyn, NY 11209 where nothing was done and the mechanics did not diagnose the vehicle. The vehicle was not repaired. The manufacturer was informed of the failure and they refused to assist the contact. The failure mileage was 67,000.
How much does it cost to replace AC compressor in VW Jetta?
The average cost for a Volkswagen Jetta AC compressor replacement is between $837 and $1,116. Labor costs are estimated between $262 and $331 while parts are priced between $574 and $785. This range does not include taxes and fees, and does not factor in your unique location.
What to do if your a / C compressor is not working?
Using a fused 12-volt jumper, apply power to pin T14/10 (green/black). The compressor clutch should engage. If the compressor does not engage, check for a wiring harness open circuit or loss of ground at the compressor. Reconnect the 14-pin connector.
Why does my AC compressor clutch not engage?
Why AC clutch won’t engage If the clutch doesn’t engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. AC compressor clutches receive power in a number of ways.
Why is there no power to the a / C compressor?
Potential Causes: A/C Compressor, A/C Pressure Sensor F129, A/C Switch, Ambient Temperature Switch F38, Battery Auxiliary Fuse Box, Fan Control Module J293 (and Wiring), Fuse or Lost Throttle Basic Settings Test the Fan Control (FCM) module inputs as follows: 1.
Why is my VW Jetta not charging properly?
The problem fuse bracket can be found on all 2001-2005 VW Jetta vehicles When the fuse block corrodes, it prevent field power to the alternator and that will test out as a bad alternator if you just rely on a voltage test at the battery. If you fall for that, you’ll replace the alternator and it still won’t charge properly.
What’s the duty cycle on a Volkswagen a / C compressor?
3. Verify an approximate 70% duty cycle from the A/C pressure sensor at pin T14/2 (white) with the ignition on and the compressor not running (duty cycle will decrease as the high-side pressure increases).
What to do if your AC compressor won’t work?
If the fuse bracket shows signs of corrosion, heat distortion or insulation melting, that heat can also burn the fuse terminals. If you see any signs of corrosion, heat distortion, insulation melting or fuse damage, replace the entire fuse bracket. Conduct a voltage drop test. Voltage drop under load should be almost 0-volts.
How to delete a / C Diagnostic Trouble Codes?
Proceed to ERASING DIAGNOSTIC TROUBLE CODES. 1) After display window shows “En° d”, press AUTO push button once again. Display window should show “dE L” (delete). 2) To erase DTCs, simultaneously press down and up arrow push buttons for more than 5 seconds. The display window should show “- –“. If not erasing DTCs, press the AUTO push button.
Where is the a / C relay located in the clutch?
Where is the A/C relay located? The A/C was working fine then it stopped working. The compressor is not turning on. There enough freon. have the same problem? There is no relay as such, the clutch is operated by the control module, i would first check fuses as indicated in the pic below, start here. Check out the diagrams (Below).
What to do if your VW compressor is not working?
VW AC COMPRESSOR FIX CHEAP! VW A/C COMPRESSOR NOT WORKING – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.
What to do if your AC clutch wont engage?
By far the most common failure found when a car AC clutch won’t engage is low refrigerant. You can find out how much Freon remains in the system with an inexpensive air conditioning service. The refrigerant carries an oil charge that lubricates the compressor.
What to do if your air conditioner clutch does not engage?
If the clutch doesn’t engage, the air conditioning compressor can’t pump refrigerant. So start your diagnosis by determining if the compressor clutch works. Turn the air conditioning controls to MAX AC and start the engine. Then look at the front of the compressor clutch.
Why does my car clutch not engage when low on refrigerant?
That’s why car makers install a low pressure switch–to prevent the compressor from running if the system is low on refrigerant. DIY recharging kits tell you to recharge through the low pressure port while the compressor is engaged. But if the system is low on refrigerant, the clutch will never engage.
Can a low oil pressure cause a VW Jetta to seize up?
One of the most serious issues that can happen to your Volkswagen Jetta ‘s engine is if it ends up with low oil pressure. Low oil pressure will cause the engine to seize up. When the oil pressure light on, it should be assumed that the engine locking up is imminent. We advise not running the engine until the issue can be properly diagnosed.
Why is my air conditioner not working on my 2004 golf?
2004 vw golf air conditioner compressor does not engage. there is no power to the electro-magnet. Is there a relay? any 2004 vw golf air conditioner compressor does not engage.
What kind of pressure switch does my Jetta have?
My 03 Jetta has a three wire plug pressure switch on the large line close to the firewall.
What to do when your AC clutch won’t engage?
If your A/C compressor clutch won’t engage because the refrigerant is too low, then you can jump the 30 and 87 pins to get the Clutch Engage. Make sure you are prepared to immediately fill the refrigerant, or shut off the engine and prepare after seeing this works to engage the AC clutch.
When do you turn on the a / C on a VW?
When the A/C is switched on and the blower motor is running at any speed, verify that 12 volts from the A/C switch in the instrument panel is available to pin T14/8 (blue/red). Note: The cooling fans should run at low speed whenever the A/C is switched on.
Where is the fuse box on a Volkswagen Jetta 6?
Volkswagen Jetta 6 (2011 – 2016) – fuse box diagram. Posted on 28 May 201928 May 2019 by. Year of production: 2011, 2012, 2013, 2014, 2015, 2016. The under-hood fuse box is located in the engine compartment on the driver’s side.
Why is my Volkswagen Jetta air conditioner not cold?
Most of the time, when your Jetta’s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem. We recommend having a professional recharge your A/C if it does end up being a coolant issue. If you put too much coolant into the system, you can really do some damage.
What causes a / C to work on a VW?
Note: Pin T14/3 will be grounded by the ECM if the throttle basic settings are lost. Raising the engine rpm over 2,500 will cause the ECM to allow A/C operation if this is the case. If a ground condition exists on pin 3, perform a throttle basic setting procedure and recheck for correct voltage.
Are there any problems with the Volkswagen Jetta?
See all problems of the 2012 Volkswagen Jetta . Jetta sportwagen tdi with a 6 speed manual transmission. Pulling out of a gas station, shifted from first to second, clutch pedal stayed on the floor. Could not shift or control vehicle speed of vehicle. Rolled to a stop. Car had to be towed.
Are there any recalls on Volkswagen Jetta clutch pedals?
The contact stated that the clutch and the pedal went completely to the floorboard when depressed. The vehicle was towed to a mechanic for inspection who stated that the dms needed to be replaced. The vehicle was not repaired. The manufacturer was notified and stated that the vehicle was not included in any recalls.
What happens if you have a bad air conditioner clutch?
If the compressor clutch gets damaged, it will keep the air conditioning system permanently on or off. A faulty compressor clutch can be replaced but it is generally recommended to replace the whole compressor to save time and additional cost. How to Diagnose if the Car AC Compressor Has Failed?
How to manually engage AC compressor clutch, the easiest?
There is no need to switch on the air conditioning system for this method to work. Tips – You should route the jumper wire to avoid it getting tangled or interfering with other moving components. It is an ominous sign when the clutch engages but the compressor does not spin. Changing the compressor clutch could be the only solution in this case.
Where is the relay located on a VW Jetta?
If your car is equipped with a multifunction steering wheel, the module is located in the slot indicated by the green arrow. Simply pull the old module out of the socket and install the new relay in its place. If your car is equipped with daytime running lights, the relay is located in the slot indicated by the green arrow.
Where is the fuse box on a VW Jetta?
For the Volkswagen Jetta 2011, 2012, 2013, 2015, 2016 model year. Fuse box located. Engine bay. The under-hood fuse box is located in the engine compartment on the driver’s side. fuse box diagram. Fuses in the vehicle passenger compartment Volkswagen Jetta 6.
Look into This! Engaging the AC compressor clutch at home is not rocket science. There are a couple of ways you can fix the problem to bring back the air conditioning system in order. What is the most common reason for an air conditioning compressor not to engage?
What kind of climate control does a Jetta use?
Manual climate control. Vehicle Applications: 2000 Volkswagen Beetle 2.0L, GAS, Eng Des AEG; 2000 Volkswagen Jetta GL 2.0L; and 2003 Volkswagen Jetta GLS 2.0L, Eng Cfg L4, Eng Des AVH 1. All tests are performed with the ignition key and A/C switched on and the connecters connected to the fan module.
Is the VW Jetta TDI available in 2008?
Due to EPA Tier 2 regulations, however, the high-mileage TDI diesel will not be offered in the first part of 2008, but VW indicates it will return soon. Although a full seven inches longer and 300 pounds heavier than the previous-generation Jetta, the 2008 Volkswagen Jetta offers very crisp handling.
Why does my VW Mk4 AC compressor not kick on?
Common problem for VW mk4 AC compressor to not kick on… Dead radiator fans. If you turn the key and turn on AC, both radiator fans should come on. If not, AC compressor will not engage, and most likely one fan is dead. Replaced with $40 for both off ebay… And I have AC. Loading…
Why are the radiator fans on my Jetta not working?
Dead radiator fans. If you turn the key and turn on AC, both radiator fans should come on. If not, AC compressor will not engage, and most likely one fan is dead. Replaced with $40 for both off ebay… And I have AC. Loading…
What to do if your VW Golf has no AC?
If you turn the key and turn on AC, both radiator fans should come on. If not, AC compressor will not engage, and most likely one fan is dead. Replaced with $40 for both off ebay… And I have AC. Loading…
What to do if your a / C compressor won’t turn on?
Have someone watching the A/C compressor while you start the truck and turn the A/C on. If the compressor cycles on, turn it off. You now just narrowed it down to either low refrigerant or a bad pressure switch. Keep it Professional Grade. Use Genuine GM Parts Cut your fingernails. That’s not me. And spell your name right.
What to do if your AC clutch is not working?
If the system is either working fine or not at all then the likely failure is in the control gear for the system, the AC clutch would be my first port of call, you’ll need an assistant: Open the engine bay and look for the AC compressor, it is one of the ancillaries at the side of the engine run by a serpentine belts.
Why is my air conditioner clutch not getting power?
Air Conditioning Compressor Clutch Not Getting Power (electrical Ok. Here it goes! No power to AC Compressor Clutch. Here are the details: After researching this I’m thinking it could be the relay in the CCRM (constant control module)? Although I can’t find a good enough diagram to find it!
What is the relay code for a VW Jetta?
Relay code number 100 is replaced by relay code number 370 depending on production. N… – Ignition coils 1-4 with output stage (up to May 2005) N… – Ignition coils 1-4 with output stage (up to May 2005) N… – Injectors cylinders 1-4 (up to May 2005) N… – Injectors (up to May 2005)
Where is the fuse box located on a Volkswagen Jetta?
Year of production: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Engine compartment fuse box Relay carrier on onboard supply control unit (left under dash panel) The instrument panel fuse panel Additional relay carrier, under box in engine compartment
What causes a clutch to not engage fully?
A clutch that doesn’t engage fully, or slips under heavy load, is the normal failure mode of a worn out friction disc of pressure plate that has lost its tension. When you press the clutch, your foot counters the diaphragm spring which presses the friction disc to the flywheel.
What to do if your a / C compressor won’t engage?
HOWEVER, if you cannot turn the compressor on, you cannot recharge your AC levels (grrrr). So you need to use a paper clip to bypass the relay switch and force the clutch to engage. You can then recharge the freon and re install the relay switch and it will sense more pressure and the clutch will engage by itself. Loading…
Why does my car air conditioner blow cold then warm?
Any number of culprits could be causing your car A/C to blow cold then warm air, including: A Leak in the A/C System A small refrigerant leak is the most common reason a car’s A/C gradually loses its cool.
What to do if your air conditioner is not working?
Replacement of most air conditioning components requires complete evacuation of the air conditioning system with a refrigerant recovery machine. Once components are re-installed, the technician will remove all air from the system in preparation for recharging the system with new refrigerant.
What should I do if my Jetta fan is not working?
Note: Pin T14/3 will be grounded by the PCM if the throttle basic settings are lost. If a ground condition exists on pin 3, perform a throttle basic setting procedure and recheck for correct voltage. If needed, a repair kit is available from Volkswagen to replace the 14-pin fan control module connector, P/N 6X09737717 KIT.
Where is the fuse box on a VW Beetle?
The fuse box sits under the hood above the battery and can develop corrosion from road salt spray and battery fumes. As the terminals corrode, the fuse box develops excessive resistance and heat that can burn up the plastic frame, also resulting in a burned compressor clutch fuse, wire or simply a compressor clutch won’t engage condition.
When to recharge your car’s air conditioning system?
When an air conditioning system loses its ability to cool properly, it may be necessary to recharge the system with new refrigerant. Below covers how to recharge the A/C system when the system is low on pressure or has been vacuumed out following a repair. Note: Always wear safety glasses and gloves when charging the A/C system.
What should the ground voltage be on a Jetta?
The powertrain control module (PCM) will ground this reference to request a compressor shutdown for a wide open throttle (WOT) condition or lack of throttle basic setting. Eleven volts is the normal expected reading at this pin. 4. Verify 12 volts to pin T14/4 (red/gray) via fuse 16, at all times. 5. Verify good ground to pin T14/6 (brown/black).
What should the voltage drop be on a VW Beetle?
Conduct a voltage drop test. Voltage drop under load should be almost 0-volts. A voltage drop above 0.30-volts is a sign of excessive resistance. In that case, replace the fuse box. Disconnect the negative battery cable and then swap in a replacement fuse box. One product is the Dorman Products 924-680.
Why does my VW Passat have no air conditioner?
No A/C clutch means no air conditioning. This is apparently a very common problem. On various Volkswagen forums people have mentioned that this happened to them, too. I bet at most dealerships this fuse is the very first thing they check when a car with air conditioner problems comes into the shop.
Why does my car a / C CLUTCH won’t engage?
FIXED! Car A/C Compressor Clutch Won’t Engage – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.
When is the a / C compressor supposed to turn off?
The only time it turns off is when you press accelerator pedal to full throttle, then clutch kicks off to give you extra acceleration power. When you push the ac button, clutch should engage and stay on as long as the button is not pressed again.
When does the VW TDI compressor turn off?
vw tdi compressors don’t cycle on and off. The only time it turns off is when you press accelerator pedal to full throttle, then clutch kicks off to give you extra acceleration power. When you push the ac button, clutch should engage and stay on as long as the button is not pressed again.
Where is the fan control module on a Jetta?
All tests are performed with the ignition key and A/C switched on and the connecters connected to the fan module. The fan control module is located under the radiator and has two connectors: a 14-pin and a 4-pin. 2.