2004 Jaguar XJRFACTORY OEM SERVICE PROCEDURE

Control Diagram

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 Jaguar XKR, 2009 Jaguar XK8, 2008 Jaguar XKR, 2008 Jaguar XK8, and 2007 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Automatic Temperature Control Diagram
GJ0009849Courtesy of JAGUAR CARS, INC.
Item Number Description
1 Battery
2 Control switches
3 Refrigerant pressure sensor
4 Ambient air temperature sensor
5 Pollution sensor
6 Engine Control Module (ECM)
7 Instrument cluster
8 Cabin humidity and temperature sensor
9 A/C compressor solenoid
10 RH temperature blend stepper motor
11 Windshield distribution (defrost) stepper motor
12 Face/feet distribution stepper motor
13 LH temperature blend stepper motor
14 Air intake servo motor
15 Blower motor
16 Blower motor control module
17 Evaporator temperature sensor
18 ATC module
19 CJB
20 Sunload/Light sensor
21 Mega fuse (175A)
NOTE: AΒ  = Hardwired; DΒ  = High speed controller area network (CAN) bus; NΒ  = Medium speed controller area network (CAN) bus; OΒ  = local interconnect network (LIN) bus
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.