Page 74 of 133
JAGUARS-TYPEElectrical/Electronic
69
Power Distribution
Distribution cables supply battery power through
to the starter motor and to three power
distribution/fuse boxes. Harnesses distribute
battery, auxiliary and ignition power from the fuse
boxes to all the user components. The front
power distribution/fusebox clean power is fed via
a clean power 175 ampere fuse (megafuse) which
is located next to the rear power distribution
box/fusebox.
The secondary junction box is located on the
bulkhead in the LH side of the cabin near the ÔAÕ
post. It acts as a splice header to avoid having
numerous splices in the harness.
J.418.446
CLEAN POWER FUSE
J.418.444
SECONDARY JUNCTION BOX
JOL.110
BATTERY
Rear Power
Distribution
Box/Fuse Box
Clean Power
Fuse
Battery
The low maintenance DIN 88, 90 ampere hour
battery is installed on the RH side of the luggage
compartment floor below the trim.
Page 81 of 133

JAGUARS-TYPEElectrical/Electronic
76Air Conditioning Control Module (A/CCM)
The A/CCM is connected to the SCP
communication network. The A/CCM controls
automatic climate functions that maintain the
vehicle at a constant temperature setting.
Instrument Pack
The instrument pack is connected to the SCP
communication network. The instrument pack
displays information received on the SCP
including speedometer, odometer, fuel, and
message center warnings. The instrument pack
also controls the passive anti-theft system (PATS).
General Electronic Control Module (GECM)
The GECM is connected to the SCP
communication network. This module is located
behind the LH ÔAÕ post trim panel below the
fascia. The GECM controls many of the bodysystems, being directly linked to the interior
lighting, wiper and security systems. It is a support
module for other systems including exterior
lighting, locking, remote entry, mirrors
(passenger), seat/mirror/steering column memory
recall and windows.
Rear Electronic Control Module (RECM)
The RECM is connected to the SCP
communication network. This module is located in
the passenger side luggage compartment behind
the trim panel. The RECM controls the
locking/unlocking of the front passenger and rear
doors and provides power control of the fuel
pump.
Powertrain Control Module (PCM)
The PCM is connected to the SCP communication
network. For the location of this module see the S-
TYPE Powertrain Technical Guide The PCM
controls the engine performance, electronic
ignition, emission controls, speed control,
transmission and on board diagnostics.
Steering Column Lock Module (SCLM)
The SCLM is connected to the SCP communication
network. The module is an integrated unit
containing the steering column lock and lock drive
and is controlled remotely from the separate
ignition barrel.
Restraints Control Module (RCM)
The RCM is connected to the ISO 9141
communication network. The RCM controls the
deployment of the air bags based on sensor
inputs.
Vehicle Emergency Control Module (VECM)
The VECM is connected to the SCP
communication network. The module allows a
user to request emergency assistance (police,
ambulance, fire, wrecker) or directions to a
desired location at the touch of a button. Also, if
any of the vehicleÕs airbags are deployed while the
VEMS system is powered ON, the system
automatically issues a call for emergency
assistance.
Voice Activation Control Module (VACM)
The VACM is connected to the SCP
communication network. This module is located in
the driver side luggage compartment behind the
trim panel. The VACM controls and processes all
D.418.229
GENERAL ELECTRONIC CONTROL MODULE (GECM)
Inertia Switch
Secondary
Junction Box
General Electronic
Control Module
Page 87 of 133

JAGUARS-TYPEElectrical/Electronic
82No Type Rating (amps) Colour Circuit
15 mini 5 Brown Adaptive damping module (ADRC)
16 mini 5 Brown Heated seat switch module,
electrochromic mirror, rain sensor
17 mini 5 Brown RCM, Generator warning lamp
18 mini 20 Yellow Radio, cellular phone, navigation unit
19 mini 15 Blue Steering column motors
20 mini 10 Red GECM, DATC, RECM, Instrument Pack,
brake shift interlock
21 mini 10 Red Power folding mirrors, electric sunblind
22 mini 10 Red DriverÕs door mirror, driverÕs door lock
motor
23 mini 10 Red Right-front high beam
24 mini 5 Brown Passive Anti-Theft System (PATS)
25 mini 10 Red Left-front low beam headlamp
26 - - - Not used
27 mini 10 Red Navigation display, radio, phone,
navigation module, Traffic Master
28 mini 5 Brown Battery-backed security sounder
29 mini 5 Brown Voice control, reversing aid, GECM,
Trailer tow ignition sense, VEMS
30 mini 5 Brown GECM
31 - - - Not used
32 mini 20 Yellow Accessory socket, cigar lighter
33 mini 10 Red GECM illumination power
34 - - - Not used
35 mini 5 Brown Stop lamp switch
Trunk Fusebox
No Type Rating (amps) Colour Circuit
1 mini 15 Blue Luggage compartment release solenoid
2 mini 10 Red Right rear direction indicators, back up,
fog lamps, side markers
3 mini 10 Red Left stop lamp
4 mini 10 Red Fuel door release solenoid
5 mini 10 Red Courtesy and map lamps
6 mini 10 Red Left rear direction indicators, back up,
fog lamps, side markers
7 mini 10 Red Right stop lamp
8 mini 10 Red Center high mounted stop lamp
9 mini 5 Brown Heated mirror
10 mini 5 Brown Traffic Master
11 mini 15 Blue Heated seats
Page 88 of 133

JAGUARS-TYPEElectrical/Electronic
83 No Type Rating (amps) Colour Circuit
12 mini 5 Brown RECM - logic, Transit relay
13 mini 15 Blue Adaptive damper ride control (ADRC)
14 mini 5 Brown Phone, CD, Vehicle emergency message
system (VEMS)
15 mini 5 Brown Alternator sense
16 mini 20 Yellow Sliding roof
17 mini 15 Blue Fuel pump
18 mini 20 Yellow Subwoofer amplifier
19 cartridge 20 Blue RECM, left rear window
20 cartridge 30 Pink Driver door module - Driver window
21 cartridge 30 Pink Driver lumbar
22 cartridge 20 Blue Ignition
23 cartridge 30 Pink Switched system power 4
24 cartridge 30 Pink Switched system power 3
25 cartridge 40 Green Primary junction box
26 cartridge 30 Pink GECM Passenger window
(30amp early cars)
27 cartridge 30 Pink RECM, right rear window
28 cartridge 30 Pink Passenger lumbar
29 cartridge 30 Pink Rear defroster
30 cartridge 20 Blue Switched system power 1
31 cartridge 30 Pink Switched system power 2
32 - - - Unused
Diode 01 Unused
Diode 02 1 Fuel pump motor
Page 90 of 133

JAGUARS-TYPEElectrical/Electronic
85 5. Switched system power 4 relay
6. Fuel pump relay
7. Brake shift interlock relay
Transit Relay
The purpose of the Transit Relay is to prevent the
battery from being discharged during transit and
Dealer storage. It automatically isolates the
battery following ignition off.
The transit relay is installed on the Negative line
through a spur from the trunk lighting harness
and is located on the battery Negative post.
If the vehicle is to be handed over to a customer
within a period of 24 hours of completion of the
PDI, the Transit Relay MUST be removed.
If the vehicle is NOT to be handed over to a
customer within a period of 24 hours of
completion of the PDI, a Transit Relay Test Lead
must be fitted to allow the PDI to proceed.
Under no circumstances should any means other
than the test lead be used to bridge the Transit
Relay.
The Transit Relay Test Lead MUST be removed
after the completion of the PDI and stored for
further use. Under no circumstances should the
vehicle be transported with the Transit Relay Test
Lead fitted.
The procedure to fit the Transit Relay Test Lead
and remove the Transit Relay is given in the PDI
Manual.
D.418.417
D.418.418
TRANSIT RELAY
TRANSIT RELAY FITTED
Page 92 of 133
JAGUARS-TYPEElectrical/Electronic
87
Bulb renewal
It is important that only Jaguar bulbs of the type
specified are used when renewing bulbs.
Before renewing bulbs, switch off the ignition and
light switches.
Top cover
To gain access to the headlamp units, the top
cover must be removed.
Turn the four fasteners a quarter turn anti-
clockwise and then remove the top cover.
After changing the defective bulb, refit the cover
and turn the fasteners clockwise to retain the
cover.
JOL.073
supplied as part of a high level bumper assembly
(the side markers are located in the bumper by
tangs on one side of the unit and held in position
by a spring clip on the other side).TOP COVER
Page 95 of 133

JAGUARS-TYPEElectrical/Electronic
90Side Repeater Indicator - Bulb Renewal
Remove the lamp unit from the front wing panel
by pressing the unit forwards or rearwards to
compress the spring clip and remove the complete
unit.
Twist the bulb anti-clockwise and remove.
Fit a new bulb of the correct type, W5W.
Press the unit into the recess until it clicks into
place.
JOL.076
JOL.075
Rear Lamp Assembly - Bulb Renewal
The rear lamp assembly has the following bulbs:
¥ Reverse lamp, type P21W.
¥ Stop/tail lamp, type P21/4W.
¥ Fog lamp, type P21W
¥ Tail lamp, type R5W.
¥ Direction indicator, type PY21W.
Ensure that the lamps and ignition switch are OFF
before removing any bulbs.
Open the luggage compartment, loosen the side
carpet and unclip the rear lamp bulb carrier.
Remove the faulty bulb and fit a new one of the
correct type, as illustrated on the bulb holder.
Fitment of the correct type is essential.
Refit the bulb carrier assembly, ensuring that the
clips are correctly secured.
Refit the carpet. SIDE REPEATER INDICATOR
REAR LAMP ASSEMBLY
Direction Indicator
Tail Lamp
Stop/Tail Lamp
Fog Lamp
Reverse Lamp
Page 99 of 133

JAGUARS-TYPEElectrical/Electronic
94
Interior Lighting
The automatic operation of the interior lamps is
controlled by the general electronics control
module (GECM).
The interior lighting system consists of the
following lamps:
¥ Two front interior lamps.
¥ Front footwell lamps
¥ Two rear interior lamps with integral reading
lamps.
¥ Front door/puddle lamps
¥ Glove compartment lamp.
¥ Vanity mirror lamps.
¥ Two luggage compartment lamp.
Front and Rear Interior Lamps
Two combined map/reading/courtesy lamps are
fitted in the front overhead console. Operation is
described in the ÔInstrument and ControlsÕ
section. A map/reading/courtesy lamp is fitted
above each rear passenger grab handle.
Illuminated Entry/Exit
When the vehicle is unlocked, the courtesy lamps
will gradually illuminate and remain on for 20
seconds.
If the courtesy lamps are on they will fade off
when the vehicle is locked with a key or a key-ring
transmitter.
Door Guard/Puddle Lamps
Door guard lamps are fitted to each front door to
give warning of an open door to passing vehicles.
The rear doors are fitted with reflectors. The
puddle lamps illuminate the Ôstep outÕ area at
night.
Luggage Compartment, Glovebox and Vanity
Mirrors
The luggage compartment, glovebox and vanity
mirrors are illuminated when in use. These lamps
will work for up to 40 minutes after the ignition
has been switched off.
J.418.443
JOL.064
FRONT INTERIOR LAMPS AND SWITCHES
REAR INTERIOR LAMP AND SWITCH