Question about 1995 Jaguar XJ6

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My 2003 xtype is not bowing heat consistently

When the temperature is set to high, it takes very ong for the heat to work and when it does it's not really warm at all.

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Could be air in the lines.. try bleeding to get air out and see if that makes it blow more consistant

Posted on Mar 11, 2009

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2007 Buick Lucerne CXL: Cooled seats not working. LIghts come on, temperature adjusters work but the motors under the seats do not come on.


Air Circulation
When the heated/cool seat switch is pressed to initiate operation of the climate control seat (CCS) system, cabin air is drawn through the heated/cool ventilation module air filter, then directed through passages in the foam of the seat cushion and seat back to the seat's occupant. In order for the CCS system to operate to its optimum performance, it is crucial to have unrestricted air flow through the system. A dirty or restricted air filter, the blockage of an exhaust air duct, a misaligned heated/cool ventilation module, or incorrect foam installation of the seat cushion or seat back will all have negative effects on CCS operation.
Heated/Cool Ventilation Module
Each heated/cool seat has 2 ventilation modules, one located under the seat cushion and one located in the seat back. These modules are controlled by the climate control seat module (CCSM). Each ventilation module contains a thermo-electric device (TED), a temperature sensor, and a blower motor. The TED and temperature sensor are mounted downstream of the blower motor. Each TED consists of a circuit of positive and negative connections sandwiched between 2 ceramic plates. Each ceramic plate is equipped with copper fins for heat exchange. The air flowing past these fins is either directed as conditioned air into the seat cushion and seat back, or directed into the cabin as waste air.
A TED is essentially a solid state heat pump that is used to heat or cool the air supply to the seat cushion and seat back. When voltage is applied to a TED, one side releases energy as heat, while the opposite side absorbs energy and gets cold. When the polarity of the current flow to the TEDs is switched, the hot and cool sides of the TED reverse.
During the following climate control seat system description and operation, the TEDs, blower motors, and temperature sensors will be referenced independently even though they are all packaged together as a module.
Climate Control Seat (CCS) System
The CCS system consists of two heated/cool ventilation modules and one climate control seat module (CCSM) that controls both the driver and passenger heated/cool seats systems. The CCSM is mounted below the front passenger seat cushion. It receives power from both, battery positive voltage and ignition 3 voltage.
Once a CCS system is activated, cabin air is drawn through the seat blower motors and directed across the fins of each of the thermo-electric device (TED) located under the seat cushion and in the seat back. The air is either heated or cooled as it passes over the TEDs. This conditioned air is then directed through channels in the foam of the seat pad and through small holes in the seat cover to the occupant. Once the system is activated, the CCSM uses a set of algorithms to control the temperature of the selected heating or cooling modes.
Your best bet is to take your vehicle to a qualified repair shop an have it diagnosed .
DTC B19A4: Driver Seat Back Blower Speed Circuit High

DTC B19A8: Driver Seat Back Blower Speed Circuit Short to Ground

DTC B103D: Driver Blower Power Circuit

DTC B272E: Driver Seat Back Blower Circuit Open
DTC B19A3: Driver Seat Cushion Blower Speed Circuit High

DTC B19A7: Driver Seat Cushion Blower Speed Circuit Short to Ground

DTC B2729: Driver Seat Cushion Over Temperature
DTC B19A2: Passenger Seat Back Blower Speed Circuit High

DTC B19A6: Passenger Seat Back Blower Speed Circuit Short to Ground

DTC B111D: Passenger Blower Power Circuit

DTC B272F: Passenger Seat Back Blower Circuit Open
DTC B19A1: Passenger Seat Cushion Blower Speed Circuit High

DTC B19A5: Passenger Seat Cushion Blower Speed Circuit Short to Ground

DTC B272A: Passenger Seat Cushion Over Temperature
Driver and Passenger Heated/Cool Seats Inoperative
  1. Ignition OFF, disconnect the C1 harness connector at the CCSM.
  2. Test for less than 5 ohms between the ground circuit terminal M and ground.
  3. ?‡'
    If greater than the specified range, test the ground circuit for an open/high resistance.

  4. Verify that a test lamp illuminates between the B+ circuit terminal E and ground.
  5. ?‡'
    If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.

  6. Disconnect the C2 harness connector at the CCSM.
  7. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal 1 and ground.
  8. ?‡'
    If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance.

  9. If all circuits test normal, replace the CCSM.


Sorry

Jul 10, 2016 | 2007 Buick Lucerne CXS Sedan

1 Answer

WHERE IS THE AIR TEMPERATURE SENSOR LOCATED ON THE 2003 JAGUAR XTYPE?


if iam correct its on the air intake the sensor should be next to it look at a diagram and u should locate it bye

Jul 06, 2014 | 2002 Jaguar X-Type

1 Answer

I.have a 2003 Ford crown Vic police interceptor. Every time I turn the car on the temperature control panel gets real hot, like you can't put your finger there for a long time hot. The heat and AC...


The problem with the temp control panel is likely to be a bad earth causing high current draw. Most of these panels have lights ,which obviously need power, these can heat up to quite high temperatures. So, I would have a good look at the electrics behind the panel.

Apr 30, 2013 | Cars & Trucks

2 Answers

What could cause my truck to have no heat?


the heater radiator could be blocked or the valve controlling the heater could be faulty ,,,, carefully check the heater hoses ,, they are the small ones running from the engine bay through the bulkhead into the car,,,they both should be hot ,,, if one is cold the water is not circulating either due to a blockage or the heater valve not working ,,, if the car has climate control you need to be sure that it is serviced properly as this system mixes the hot and cold air,, also at 210 you should have some heat , the best way to check if its the thermostat is to run the carstationary until it gets hot even if the thermostat is faulty the system will build up heat due to no cold air passing through the grill and coolng the engine radiator

Feb 11, 2012 | 2001 Chevrolet Silverado 1500

2 Answers

2003 X-Type: i want to buy a 2003 jaguar xtype with only 41,000...


I purchased very similar here in the UK £4800 (trade) two years ago, only problem so far has been O2 sensor failure which I replaced myself but was still fairly expensive. Other than that car has been good. Check for Jag service history

May 16, 2010 | 2003 Jaguar X-Type

1 Answer

2004 xtype reading high heat engine red light on turn car off then not hot drive 10 miles heat light on again


Heat light, do you mean temperature gauge? If so..

Check antifreeze level in the reservoir.

Quite possible the thermostat is stuck closed, and the anti freeze is not circulating thru the motor. You may hear the fan kick on a lot.


Apr 01, 2010 | 2004 Jaguar X-Type

1 Answer

My heat won't get hot on my acura cl 3.2 2003. It will blow but not heat. A/C works fine. What happened?


turn the heat knob all the way to hot (highest) setting and when it starts blowing heat you can turn it down to a comfortable temperature
At least that's how mine works

Feb 14, 2010 | 2003 Acura 3.2CL

1 Answer

Thermostat


Could have air in system? Go to peak.com They have a printable page that shows how to maintain your cooling system. Good luck, hope it works

Jul 14, 2008 | 2003 Dodge Dakota Club Cab

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