When did the Jaguar S-type air conditioner fail?
Common failure for Jaguar S-Type models built between 1998 and 2008 is the climate control module. Once this becomes faulty the heater will constantly blow hot air regardless of the temperature that you set it to. The other main fault that this module can suffer from is a complete failure to operate.
Is the climate controller on a Jaguar S-type?
The other main fault that this module can suffer from is a complete failure to operate. Your S-type will have one of the climate controllers pictured depending on the year and version you have.
Why is my Jaguar S-type drawing too much current?
Both of its solenoids were drawing too much current (one of which was tested at over 6 amps, an 850% over-current condition!): There is no over-current fault-protection circuitry that protects it against damage due to faulty Heater Valve. This applies to S-Types from (late 2002) through 2008.
Why is my Jaguar A / C not blowing hot air?
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Both of its solenoids were drawing too much current (one of which was tested at over 6 amps, an 850% over-current condition!): There is no over-current fault-protection circuitry that protects it against damage due to faulty Heater Valve. This applies to S-Types from (late 2002) through 2008.
Is there over current fault protection on Jaguar S-types?
There is no over-current fault-protection circuitry that protects it against damage due to faulty Heater Valve. This applies to S-Types from (late 2002) through 2008. The 1999 – (early 2002) modules, though still susceptible to damage, have a more robust design that reduces the chance of said damage.
Where is the a / C pressure sensor on a Jaguar?
A/C pressure sensor/switch: 2. Check the fuse for the Heater Valve. It is Fuse 32 (10 amps) in the Front Power Distribution Fuse Box, located in the engine compartment. This fuse is hot +12 volts at all times, and also feeds the Auxiliary Coolant Pump Relay (4.0L models) and A/C Clutch Relay.
How does an air conditioner compressor work in a Jaguar?
COMPRESSOR – The A/C compressor pumps the refrigerant through the system. It’s operated by an engine belt, just like the alternator and power steering pump. The only difference is that the A/C compressor has a clutch that engages and disengages the compressor as needed.
Why does my Jaguar A / C not work?
The problem: These vehicles have been found to exhibit poor air conditioning performance thanks to a worn-out air conditioner compressor direct pressure sensing valve. When this valve is bad, it results in misregulated refrigerant pressure, affecting air conditioning performance.
What to look for in a Jaguar S-type?
We will explain what you need to look for: The temperature of the air coming through the vents is controlled by the Air Conditioning Control Module.
Common failure for Jaguar S-Type models built between 1998 and 2008 is the climate control module. Once this becomes faulty the heater will constantly blow hot air regardless of the temperature that you set it to. The other main fault that this module can suffer from is a complete failure to operate.
The other main fault that this module can suffer from is a complete failure to operate. Your S-type will have one of the climate controllers pictured depending on the year and version you have.
The problem: These vehicles have been found to exhibit poor air conditioning performance thanks to a worn-out air conditioner compressor direct pressure sensing valve. When this valve is bad, it results in misregulated refrigerant pressure, affecting air conditioning performance.
We will explain what you need to look for: The temperature of the air coming through the vents is controlled by the Air Conditioning Control Module.
Why is my air con leaking in my Jaguar?
Accordingly, when there is a leak, the area usually looks wet with oil. This is a large ‘radiator’ mounted in front of the engine coolant radiator, which cools the hot refrigerant gas enough to cause it to condense to a liquid. Due to its position it tends to be most damaged by stones thrown up from the road and by corrosion.
What kind of aircon system does a Jaguar XJ have?
The following refers to aircon systems fitted to Jaguar XJS, XJ Series 1,2,3 and will have some relevance to later cars. See also our R134a conversion mythbuster.
How does air con work in a Jaguar Mark 2?
The Mark 2 used a motor-driven rotary controller which operated the air blend flaps directly with levers, and the various other flaps and valves by vacuum. It senses the difference between the temperature of the cabin and that which the control knob is set to, and varies the proportion of hot to cold air accordingly.
What causes a Jaguar climate control to fail?
When the Heater Valve becomes faulty, it begins to draw too much current, which causes the Climate Control Module to become damaged (i.e. failure due to over-current condition). 4. Harness/wiring problems between the Heater Valve and Climate Control Module. 5. Failure at one or more air mixing/blending flaps. 6. Or a combination of the above cases.
How to diagnose a heater leak in a Jaguar?
1. Unbolt the Coolant/Water Expansion Tank, set it aside so it doesn’t block access to the Heater Valve. 2. Loosen the bolt that secures the Heater Valve to the car. 3. Rotate the Heater Valve to get access to its connector. Procedure A (This one is messy. We recommend that you do Procedure B instead.):
Why is the solenoid on my Jaguar heater not working?
It is an active low circuit, so when the DCCV sees Ground at either the LH and/or RH pin, the respective solenoid within the DCCV activates. Case 1: Temperature setting “Lo” = CCM output ON (grounded) = solenoid ENERGZIED = solenoid valve CLOSED = coolant flow to heater core impeded = heater core NOT HOT when A/C is ON.
Why does my air conditioner keep blowing hot air?
Driver and/or passenger vent (s) blow (s) hot/warm air only, even when the controls are set to max cold “Lo” (or any other level). This may occur on just the driver side, just the passenger side, or both sides. It may be intermittent. 1.
Why does my jaguar’s type have hot air on both sides?
Sometimes just one valve will stick, causing hot air on just one side of the cabin, and sometimes both valves can stick causing hot air on both sides of the cabin. It is VERY important to fix this issue as soon as possible, as further damage can be caused to the heating system if the DCCV is not repaired or changed.
How do you replace air conditioning in a Jaguar?
The Air Conditioning Control Module can be replaced with a like-for-like unit. It is vital to match the part number on the new unit to that on the old unit. To find your part number, you will need to remove the Air Conditioning Control Module from the dashboard and look for a sticker with a long number which will have the format: ” ****18C612** “.
Why is my Jaguar S-type air conditioner not working?
Once this becomes faulty the heater will constantly blow hot air regardless of the temperature that you set it to. The other main fault that this module can suffer from is a complete failure to operate. Your S-type will have one of the climate controllers pictured depending on the year and version you have.
The Air Conditioning Control Module can be replaced with a like-for-like unit. It is vital to match the part number on the new unit to that on the old unit. To find your part number, you will need to remove the Air Conditioning Control Module from the dashboard and look for a sticker with a long number which will have the format: ” ****18C612** “.
What kind of DCCV does a Jaguar S-type have?
There are two types of DCCV, a 5-PIPE version and a 3-PIPE version. The 5-pipe DCCV is fitted to all Diesel engine models, and Petrol models 1999-2002. For an example of this item see the following link S-Type 5-Pipe DCCV. The 3-pipe DCCV is fitted to all Petrol models 2003-2007. For an example of this item see the following link S-Type 3-Pipe DCCV
Sometimes just one valve will stick, causing hot air on just one side of the cabin, and sometimes both valves can stick causing hot air on both sides of the cabin. It is VERY important to fix this issue as soon as possible, as further damage can be caused to the heating system if the DCCV is not repaired or changed.
Why is my auxiliary heater not working on my Jaguar?
The auxiliary heater does not work if the fuel level is low. If the low fuel warning indicstor is on the dash, the control module inhibits the auxiliary heater. The pick up for the heater is sat just as low as the main pick up. The quickest and easiest way to stop the smoke is to remove the fuse for the auxiliary heater control module.
Are there any problems with the jaguar’s type?
I thought it might be good to have a thread where we can list known Jaguar S-Type problems…
Where are the heating pipes on a Jaguar?
The common problem with the system described above is the failure of the DCCV. From this unit, two pipes go into the dashboard – one pipe for the Drivers side heating, and one pipe for the Passengers side heating.