1998 JAGUAR XJR & XJ8

Jaguar XJ8 1998 - BUZZERS, RELAYS & TIMERS

Jaguar XJ8 1998 BUZZERS, RELAYS & TIMERS

Component	Component Location
Accessory Connector Relay	In trunk fuse box. See Fig. 2 .
Air Conditioning Compressor Clutch Relay	In engine compartment, in control module enclosure. See Fig. 2 .
Air Conditioning Isolate Relay	Left side of heelboard. See Fig. 2 .
Auxiliary Positive Relay	In right heelboard fuse box. See Fig. 2 .
Blower Motor Relay (Left)	Right side of heelboard. See Fig. 2 .
Blower Motor Relay (Right)	Right side of heelboard. See Fig. 2 .
Dip Beam Relay	In engine compartment fuse box. See Fig. 2 .
Door Locking Relay	Left side of heelboard. See Fig. 2 .
Door Mirror Heater Relay	Right side of heelboard. See Fig. 2 .
EMS Control Relay	In engine compartment, in engine management fuse box. See Fig. 2 .
Fold-Back Relay	Left side of heelboard. See Fig. 2 .
Fold-Out Relay	Left side of heelboard. See Fig. 2 .
Front Fog Relay	In engine compartment fuse box. See Fig. 2 .
Fuel Filler Flap Lock Relay	Right side of luggage compartment. See Fig. 2 .
Fuel Filler Flap Unlock Relay	Right side of luggage compartment. See Fig. 2 .
Fuel Injection Relay	In engine compartment, in control module enclosure. See Fig. 2 .
Fuel Pump Relay (XJ8)	In trunk fuse box. See Fig. 2 .
Fuel Pump Relay 1 (XJR)	In trunk fuse box. See Fig. 2 .
Fuel Pump Relay 2 (XJR)	In trunk fuse box. See Fig. 2 .
Heated Backlight Relay	In trunk fuse box. See Fig. 2 .
Heater Pump Relay	In engine compartment fuse box. See Fig. 2 .
Horn Relay	In engine compartment fuse box. See Fig. 2 .
Ignition Coil Relay	In engine compartment, in control module enclosure. See Fig. 2 .
Ignition Positive Relay 1	In engine compartment fuse box. See Fig. 2 .
Ignition Positive Relay 2	In left heelboard fuse box. See Fig. 2 .
Intercooler Pump Relay (XJR)	In engine compartment, in control module enclosure. See Fig. 2 .
Lumbar Deflate Relay (Left)	Right side of heelboard. See Fig. 2 .
Main Beam Relay	In engine compartment fuse box. See Fig. 2 .
Powerwash Relay	In engine compartment fuse box. See Fig. 2 .
Seat Heater Relay (Driver)	Under driver's seat. See Fig. 2 .
Seat Heater Relay (Passenger)	Under passenger's seat. See Fig. 2 .
Seat Heater Timer (Left Rear)	Right side of heelboard. See Fig. 2 .
Seat Heater Timer (Right Rear)	Right side of heelboard. See Fig. 2 .
Seat Lower Relay (Driver)	Under driver's seat. See Fig. 2 .
Seat Raise Relay (Driver)	Under driver's seat. See Fig. 2 .
Side Marker & Number Plate Relay	In trunk fuse box. See Fig. 2 .
Starter Relay	In engine compartment, in control module enclosure. See Fig. 2 .
Stoplight Relay	In trunk fuse box. See Fig. 2 .
Throttle Motor Power Relay	In engine compartment, in control module enclosure. See Fig. 2 .
Windshield Heater Relay (Left)	In left side of engine compartment. See Fig. 2 .
Windshield Heater Relay (Right)	In center rear of engine compartment. See Fig. 2 .
Wiper Fast/Slow Relay	In center rear of engine compartment. See Fig. 2 .
Wiper Run/Stop Relay	In left front of engine compartment. See Fig. 2 .

Jaguar XJ8 1998 - CIRCUIT PROTECTION DEVICES

Jaguar XJ8 1998 CIRCUIT PROTECTION DEVICES

Component	Component Location
Engine Compartment Fuse Box	In left front of engine compartment. See Fig. 2 .
Engine Management Fuse Box	In left side of engine compartment. See Fig. 2 .
Left Heelboard Fuse Box	On left side of heelboard. See Fig. 2 .
Right Heelboard Fuse Box	On right side of heelboard. See Fig. 2 .
Trunk Fuse Box	On right rear side of luggage compartment. See Fig. 2 .

Jaguar XJ8 1998 - CONTROL UNITS

Jaguar XJ8 1998 CONTROL UNITS

Component	Component Location
ABS/Traction Control Module	Behind left headlight assembly. See Fig. 1 .
Adaptive Damping Control Module	Next to passenger side blower/glove box assembly. See Fig. 1 .
Airbag/SRS Single Point Sensor	Below center console. See Fig. 1 .
Air Conditioning Control Module	Right side of dash, on right side of transmission tunnel. See Fig. 1 .
Air Conditioning Control Panel	In center console.
Body Processor Module	Behind glove box. See Fig. 1 .
Door Control Module (Left Front)	In left front door. See Fig. 1 .
Door Control Module (Left Rear)	In left rear door. See Fig. 1 .
Door Control Module (Right Front)	In right front door. See Fig. 1 .
Door Control Module (Right Rear)	In right rear door. See Fig. 1 .
Dimmer Module	Below instrument cluster. See Fig. 1 .
Engine Control Module	In engine compartment, in control module enclosure. See Fig. 1 .
Gear Selector Illumination Module	In center console. See Fig. 1 .
High Power Protection Module	In luggage compartment, next to battery.
Ignition Modules (2)	In engine compartment, in control module enclosure.
Key Transponder Module	Below instrument cluster. See Fig. 1 .
Power Amplifier	In left side of luggage compartment.
Power Assisted Steering Control Module	Left kick panel.
Radiator Fan Control Relay Module	In engine compartment, next to left crush tube. See Fig. 1 .
Radio/Cassette Head Unit	In center console.
Seat Control Module (Driver)	Under driver's seat. See Fig. 1 .
Seat Control Module (Passenger)	Under passenger's seat. See Fig. 1 .
Seat Control Module (Rear)	Below rear center console. See Fig. 1 .
Security & Locking Control Module	Below trunk fuse box. See Fig. 1 .
Sliding Roof Control Module	In roof console. See Fig. 1 .
Suppression Module	In right front of engine compartment.
Telephone Transceiver	In center console.
Transmission Control Module	In engine compartment, in control module enclosure. See Fig. 1 .

Jaguar XJ8 1998 - MOTORS

Jaguar XJ8 1998 MOTORS

Component	Component Location
Air Intake-Left Blower	On left side of fascia glove box.
Air Intake-Right Blower	On right side of fascia glove box.
Antenna Motor	In antenna motor assembly.
Fuel Filler Flap Lock Actuator	In left front of luggage compartment.
Fuel Pumps	In top of fuel tank.
Headlight Leveling Actuators (2)	Behind headlights.
Heater Pump	Left rear of engine compartment.
Intercooler Pump (XJR)	In engine compartment, next to right crush tube.
Sliding Roof Motor	In roof console.
Steering Column Motors	In steering column.
Throttle Motor	On throttle body assembly.
Trunk Release Actuator	Behind trunk lid liner.

Jaguar XJ8 1998 - SENDING UNITS & SENSORS

Jaguar XJ8 1998 SENDING UNITS & SENSORS

Component	Component Location
Accelerometer (Front Lateral)	In engine compartment, in control module enclosure.
Accelerometer (Front Vertical)	In engine compartment, in control module enclosure.
Accelerometer (Rear Vertical)	Below fuel tank.
Ambient Temperature Sensor	In front of radiator.
Camshaft Position Sensor	On rear "B" bank cylinder head.
Crankshaft Position Sensor	On engine, rear of bed plate.
Engine Coolant Temperature Sensor	On rear of top engine hose.
Fuel Level Sensor	In top of fuel tank.
Fuel Tank Pressure Sensor	In top of fuel tank.
Heated Oxygen Sensor (Upstream) "A"	In exhaust system, below bracket on top of transmission.
Heated Oxygen Sensor (Upstream) "B"	In exhaust system, below bracket on top of transmission.
Inclination Sensor	Left side of luggage compartment, above wheelwell.
Intake Air Temperature Sensor (XJ8)	Rear of air cleaner.
Intake Air Temperature Sensor 1 (XJR)	Rear of air cleaner.
Intake Air Temperature Sensor 2 (XJR)	Near "A" bank intercooler.
Intrusion Sensor (Left)	Left side of headliner.
Intrusion Sensor (Right)	Right side of headliner.
Knock Sensor "A" Bank	In engine vee, under intake manifold.
Knock Sensor "B" Bank	In engine vee, under intake manifold.
Mass Airflow Sensor	Rear of air cleaner.
Oxygen Sensor (Downstream) "A"	In exhaust system, below bracket on top of transmission.
Oxygen Sensor (Downstream) "B"	In exhaust system, below bracket on top of transmission.
Pedal Position & Mechanical Guard Sensors	On throttle body assembly.
Reader/Exciter Coil	In steering column switchgear.
Side Impact Sensor (Left)	In left "B" pillar.
Side Impact Sensor (Right)	In right "B" pillar.
Solar Sensor	In center windshield vent.
Throttle Position Sensor	On throttle body assembly.
Wheel Speed Sensors (Front)	On front wheel hub assembly.
Wheel Speed Sensors (Rear)	On rear axle, near wheel hub.

Jaguar XJ8 1998 - SOLENOID & SOLENOID VALVES

Jaguar XJ8 1998 SOLENOID & SOLENOID VALVES

Component	Component Location
Canister Close Valve	Under right rear of vehicle.
Damper Solenoid (Left Front)	In left side of engine compartment.
Damper Solenoid (Left Rear)	On rear axle.
Damper Solenoid (Right Front)	In right side of engine compartment.
Damper Solenoid (Right Rear)	On rear axle.
EGR Valve (XJR)	Rear of throttle body assembly.
EVAP Canister Purge Valve	On engine compartment firewall.
Gearshift Interlock Solenoid	In center console.
Heater Valve	In left rear of engine compartment
Keylock Solenoid	In steering column switchgear.
Variable Steering Converter	In steering rack.
Variable Valve Timing Solenoid "A" Bank	On "A" bank cylinder head.
Variable Valve Timing Solenoid "B" Bank	On "B" bank cylinder head.
Vacuum Switching Valves (3)	On engine compartment firewall.

Jaguar XJ8 1998 - SWITCHES

Jaguar XJ8 1998 SWITCHES

Component	Component Location
Brake Cancel Switch	On brake pedal bracket.
Brake Switch	On brake pedal bracket.
Coolant Level Switch	On coolant reservoir.
Dual Linear Switch	In center console.
D-4 Switch	In center console.
Inertia Switch	Behind right kick panel.
Kickdown Switch	Under accelerator pedal.
Neutral Switch	In center console.
Not-In-Park Microswitch	In center console.
Oil Pressure Switch	On engine, below generator.
Parking Brake Switch	In center console.
Refrigerant 4-Way Pressure Switch	Next to left side of radiator.
Transmission Rotary Switch	On bracket on top of transmission.

Jaguar XJ8 1998 - MISCELLANEOUS

Jaguar XJ8 1998 MISCELLANEOUS

Component	Component Location
Aspirator Assembly	At driver's side knee bolster.
Audible Warning Speaker	Next to steering column motor.
CD Auto Changer	In left side of trunk.
Data Link Connector (DLC)	On transmission tunnel.
Evaporator/Heater Matrix Assembly	Behind left side of dash, on left side of transmission tunnel.
Ignition Coils (8)	Under camshaft cover.
Key FOB Antenna	On top of backlight.
Passive Security Sounder	Behind left headlight.
Seat Belt Pretensioner (Left)	In left "B" pillar.
Seat Belt Pretensioner (Right)	In right "B" pillar.
Telephone Antenna	Below center console glove box.
Transit Isolation Device	On positive battery terminal.

Jaguar XJ8 1998 - CONNECTORS

Jaguar XJ8 1998 CONNECTORS

Component	Component Location
BL1 (Black, 4 Pin)	Behind left front wheelwell.
BR1 (Black, 4 Pin)	Near bottom of washer fluid reservoir.
BS3 (White, 6 Pin)	Below rear seat cushion.
BS4 (White, 20 Pin)	Below center console.
BS5 (White, 6 Pin)	Below rear seat cushion.
BS13 (White, 3 Pin)	Below rear seat cushion.
BS15 (White, 3 Pin)	Below rear seat cushion.
BT4 (Black, 54 Pin)	Below right side of parcel shelf, on firewall.
CA8 (White, 20 Pin)	At left "A" pillar.
CA9 (White, 4 Pin)	Below rear seat cushion.
CA10 (Yellow, 8 Pin)	At left "A" pillar.
CA11 (White, 20 Pin)	At right "A" pillar.
CA12 (Yellow, 8 Pin)	At right "A" pillar.
CA13 (White, 4 Pin)	At left "B" pillar.
CA14 (White, 6 Pin)	At left "B" pillar.
CA16 (White, 6 Pin)	At right "B" pillar.
CA19 (Yellow, 20 Pin)	At lower left "A" pillar.
CA20 (Yellow, 20 Pin)	At lower right "A" pillar.
CA23 (White, 10 Pin)	Below driver's seat.
CA27 (White, 10 Pin)	Below passenger's seat.
CA29 (White, 4 Pin)	Below rear seat cushion.
CA45 (White, 4 Pin)	At right "B" pillar.
CA46 (White, 4 Pin)	At left "B" pillar.
CA66 (Black, 3 Pin)	Below left front seat.
CA72 (Black, 3 Pin)	Below left front seat.
CA109 (White, 12 Pin)	Below rear seat cushion.
EM1 (Black, 12 Pin)	Near ABS pump.
EM2 (Gray, 20 Pin)	At lower right "A" pillar.
EM3 (White, 18 Pin)	At lower right "A" pillar.
EM42 (Gray, 4 Pin)	At rear of engine compartment.
EM44 (Black, 12 Pin)	At top of transmission.
EM51 (Gray, 12 Pin)	Near ABS pump.
EM53 (White, 20 Pin)	At lower right "A" pillar.
EM60 (Gray, 2 Pin)	Near right side of engine compartment false firewall.
EM63 (Yellow, 14 Pin)	At lower right "A" pillar.
FC1 (Black, 54 Pin)	Below passenger's side glove box.
FC5 (Black, 54 Pin)	Below driver's side air vent.
FC7 (White, 20 Pin)	Above dimmer module/coin tray.
FC11 (White, 18 Pin)	Above dimmer module/coin tray.
IC1 (White, 14 Pin)	At left kick panel.
IC3 (White, 12 Pin)	At left kick panel.
IJ1 (Black, 6 Pin)	On engine, forward of intake manifold.
IJ2 (Black, 6 Pin)	On engine, forward of intake manifold.
LS1 (Natural, 2 Pin)	Below left side chassis rail.
LS2 (Natural, 2 Pin)	Below left side chassis rail.
LS3 (Black, 54 Pin)	At top of transmission.
LS32 (Gray, 4 Pin)	Forward of left front suspension arm.
PI1 (Black, 57 Pin)	At rear of engine compartment.
PI2 (Black, 13 Pin)	At top of transmission.
RF4 (Black, 12 Pin)	Behind roof console.
SC1 (White, 12 Pin)	At column switchgear.
SC3 (Gray, 12 Pin)	Near steering column motor.
SM25-P (White, 10 Pin)	Behind passenger seat back finisher.
ST5 (1 Pin)	At right side of engine compartment false firewall.
ST6 (1 Pin)	At right side of engine compartment false firewall.
SW1 (Black, 12 Pin)	Inside steering column cowl.
SW2 (White, 6 Pin)	At center of steering wheel.
SW10 (Black, 3 Pin)	At center of steering wheel.

Jaguar XJ8 1998 - GROUNDS

Jaguar XJ8 1998 GROUNDS

Component	Component Location
BT20	At right rear side of trunk. See Fig. 1 .
BT21	At right rear side of trunk. See Fig. 1 .
BT22	At right front side of trunk. See Fig. 1 .
BT28	At right front side of trunk. See Fig. 1 .
BT34	At center of rear shelf. See Fig. 1 .
BT65	At right rear wheelwell. See Fig. 1 .
CA25	Under driver's seat. See Fig. 1 .
CA26	Under front passenger's seat. See Fig. 1 .
CA30	At left "A" pillar. See Fig. 1 .
CA31	At right side of transmission tunnel. See Fig. 1 .
CA33	At right "A" pillar. See Fig. 1 .
CA36	At left "A" pillar. See Fig. 1 .
CA38	Under left rear seat. See Fig. 1 .
CA47	At right side of transmission tunnel. See Fig. 1 .
CA48	Under right rear seat. See Fig. 1 .
CC2	At left side of transmission tunnel. See Fig. 1 .
CC3	At center of dash, on firewall. See Fig. 1 .
EM8	At front of front left fender. See Fig. 1 .
EM16	At center of firewall. See Fig. 1 .
EM17	At center of firewall. See Fig. 1 .
EM18	At center of firewall. See Fig. 1 .
FC17	At center of dash, on firewall. See Fig. 1 .
FC29	At center of dash, on firewall. See Fig. 1 .
IC6	At left front side of trunk. See Fig. 1 .
IC20	At left front side of trunk. See Fig. 1 .
LF10	Behind left headlight. See Fig. 1 .
LF18	Behind left headlight. See Fig. 1 .
LF19	Behind right headlight. See Fig. 1 .
LF20	Behind right headlight. See Fig. 1 .
LF29	Behind left headlight. See Fig. 1 .