Jaguar XJ (X350) 2008 Fuse Box Diagrams

The Jaguar XJ (X350, facelifted X358) is a full-size luxury sedan with an aluminium monocoque, built from 2003 to 2009 with 3.0 V6, 3.5/4.2 V8 petrol and 2.7 diesel engines. It carries three fuse boxes: engine compartment, passenger compartment and luggage compartment.

Production: 2003–2009 · Platform: X350 · Model year: 2008

Not sure which model year your car is? Decode your VIN — the result links straight to the right fuse boxes.

Fuse box locations

Engine Compartment Fuse Box — Engine compartment
Passenger Compartment Fuse Box — Passenger compartment
Luggage Compartment Fuse Box — Luggage compartment
Megafuse Fuse Box — Luggage compartment, at the battery

Engine Compartment Fuse Box

Engine compartment

Factory name: Front Power Distribution Fuse BoxAlso called: engine bay fuse box, under the bonnet fuse box, under the hood fuse box

Fuse list — Engine Compartment Fuse Box

Fuse	Rating	Circuit
F1	5 A	Front ignition, UHEGO, fuel pump, rear ignition relay coils
F2	10 A	Throttle (petrol engine only)
F3	5 A	DSC ECU
F4	30 A	Powerwash pump
F6	40 A	Air suspension compressor
F7	40 A	Right-hand front screen heater or wiper park zone heater
F8	20 A	Right-hand low beam
F9	—	Left-hand low beam Two factory editions of this model year differ for this position: not used and 20 A. Check the label on your own fuse box before fitting.
F10	15 A	Horns
F12	10 A	Engine control module, VVT solenoids
F13	10 A	Fuel injectors
F14	10 A	Purge valve, EGR valve, DMTL, V6 intake manifold tuning valves (IMTV), MAFS, air filter solenoid, radiator fan controller
F16	20 A	Right-hand high beam, left-hand high beam
F17	10 A	Engine control module, transmission control module
F18	15 A	Front fog lamps, instrument panel front fog status
F19	25 A	Starter solenoid
F20	—	ABS module (pump) Two factory editions of this model year differ for this position: not used and 40 A. Check the label on your own fuse box before fitting.
F21	20 A	Two factory editions of this model year differ for this position: 20 A and not used. Check the label on your own fuse box before fitting.
F22	—	ABS module Two factory editions of this model year differ for this position: not used and 20 A. Check the label on your own fuse box before fitting.
F24	20 A	Intercooler water pump (supercharged engines)
F25	15 A	Two factory editions of this model year differ for this position: 15 A and not used. Check the label on your own fuse box before fitting.
F26	40 A	Wiper system, front electronics module (FEM)
F27	5 A	Secondary air injection
F28	—	Not used
F30	10 A	Ignition coils Two factory editions of this model year differ for this position: 10 A and 15 A. Check the label on your own fuse box before fitting.
F31	15 A	Two factory editions of this model year differ for this position: 15 A and not used. Check the label on your own fuse box before fitting.
F32	40 A	Left-hand front screen heater
F33	30 A	A bank heated oxygen sensors
F34	30 A	B bank heated oxygen sensors
F35	80 A	Radiator cooling fan

Relay	Function
R1	AIR SUSPENSION RELAY
R2	MAIN BEAM RELAY
R3	WINDSHIELD HEATER RELAY – LH
R4	WIPER ON / OFF RELAY
R5	DIP BEAM RELAY; EMS CONTROL RELAY (Diesel)
R6	FRONT FOG LAMP RELAY
R7	IGNITION COIL RELAY
R8	WIPER FAST / SLOW RELAY
R9	SLAVE IGNITION RELAY — PCB relay, not serviceable
R9B	DIP BEAM RELAY - RH; HORN RELAY (GASOLINE)
R10	STARTER RELAY — PCB relay, not serviceable
R11	EMS CONTROL RELAY (Gasoline); POWER WASH RELAY — PCB relay, not serviceable
R11A	DIP BEAM RELAY - LH
R12	HO2S RELAY — PCB relay, not serviceable
R12A	AUXILIARY COOLANT PUMP RELAY
R12B	INTERCOOLER RELAY
R13	HEATED WIPER PARK RELAY; WINDSHIELD HEATER RELAY – RH — PCB relay, not serviceable
R14	HORN RELAY (DIESEL) — PCB relay, not serviceable
R20	STARTER RELAY

Passenger Compartment Fuse Box

Passenger compartment

Factory name: Passenger Junction Fuse BoxAlso called: interior fuse box, dashboard fuse box, under the dash fuse panel

Fuse list — Passenger Compartment Fuse Box

Fuse	Rating	Circuit
F1	10 A	Climate control unit, fan, screen heaters and wiper relay coils, smog sensor
F2	5 A	Cruise control switch, adaptive cruise control
F3	5 A	Rear outer seat, electrochromic mirror, driver seat heater, electric parkbrake, left-hand and right-hand HID lamps levelling, left-hand and right-hand seat belt switches, passenger seat heater switch, rear seat heater switchpack
F4	5 A	Instrument panel
F7	5 A	Cigar lighter, sunroof module, sunblind motor, electric parkbrake switch illumination, accessory relays (luggage compartment fuse box)
F8	5 A	Instrument panel
F9	10 A	Left-hand direction indicator and door mirror repeater
F10	—	Glove compartment door motor and lamps Two factory editions of this model year differ for this position: not used and 10 A. Check the label on your own fuse box before fitting.
F11	5 A	Radio muting (engine start), ignition feed
F12	10 A	Front electronic module (FEM), passenger mirror
F13	20 A	Rear electronic module (REM), door locks
F14	10 A	Climate control, footwell lamps, FEM, autolamp module
F15	5 A	ECM, FEM, instrument panel airbag fault lamp, instrument panel ignition (run/start)
F16	5 A	Diagnostic connector
F17	5 A	ABS module
F19	5 A	Ignition relay, ECM, REM, fuel pump relay, start relay
F20	5 A	Telephone transceiver, TV module, VICS (Japan), voice module, rear telematics
F21	—	Passenger’s ventilated seat Two factory editions of this model year differ for this position: not used and 20 A. Check the label on your own fuse box before fitting.
F24	—	PATS transponder Two factory editions of this model year differ for this position: not used and 5 A. Check the label on your own fuse box before fitting.
F25	10 A	Right-hand direction indicator and door mirror repeater, right-hand front lamp, left-hand and right-hand sunvisor lamps, left-hand and right-hand sidemarkers
F26	15 A	Screenwash pump
F27	10 A	ACC module
F28	10 A	Climate control modules (front and rear), driver’s door module (DDM)
F29	10 A	Airbag module, occupancy sensing module, passenger weight sensor, PAD lamp
F30	—	Driver’s ventilated seat Two factory editions of this model year differ for this position: not used and 20 A. Check the label on your own fuse box before fitting.
F31	15 A	Sunroof, phone transceiver
F32	5 A	Front/rear parking aid, trailer tow module, battery-backed sounder, voice module, telephone receiver
F33	5 A	Transmission control, J-gate, alternator
F34	5 A	Navigation system, remote power amp
F35	10 A	Passenger seat movement
F36	40 A	Passenger seat movement, DSM
F37	25 A	Driver window
F38	15 A	Radio head unit
F39	5 A	Transit relay (removed before customer delivery)
F40	10 A	Security LED, yaw rate sensor
F41	20 A	Ignition switch
F42	10 A	FEM, REM, DDM, EPB logic
F43	5 A	Diagnostic connector
F44	5 A	Brake switch
F45	10 A	Passenger seat movement
F46	25 A	Passenger window
F47	5 A	Instrument pack
F48	20 A	Instrument pack (steering column tilt and reach)
F49	40 A	Driver seat movement

Relay	Function
R1	SWITCHED SYSTEM POWER RELAY 1; SWITCHED SYSTEM POWER RELAY 2 — PCB relay, not serviceable
R7A	SWITCHED SYSTEM POWER RELAY 3
R7B	SWITCHED SYSTEM POWER RELAY 4
R8B	SWITCHED SYSTEM POWER RELAY 5

Luggage Compartment Fuse Box

Luggage compartment

Factory name: Rear Power Distribution Fuse BoxAlso called: trunk fuse box, boot fuse box

Fuse list — Luggage Compartment Fuse Box

Fuse	Rating	Circuit
F5	40 A	Passenger seat switchpack
F6	10 A	Accessory connector
F7	40 A	Front blower motor
F8	10 A	Heater circuit water pump
F9	25 A	Rear seat motors
F11	5 A	Rear footwell lamps, grab handle lamps, overhead console map lamps
F12	10 A	Air suspension
F13	20 A	Rear seat entertainment
F15	5 A	Right-hand stop and tail lamps
F16	10 A	Luggage compartment lamps, driver seat switch pack, rear switch seat pack, blower motor relay coil
F17	10 A	Left-hand rear fog, direction indicator and reversing lamps
F18	10 A	Number plate lamps, side marker lamps
F19	30 A	Heated rear window
F20	10 A	Heated door mirrors
F21	25 A	Rear seat motors
F22	10 A	Accessory connector
F24	25 A	Fuel pump driver module
F25	15 A	Front accessory socket
F26	15 A	Rear accessory socket
F27	10 A	Rear CD
F28	25 A	Left-hand rear window
F29	—	VICS (Vehicle Information and Communication System) - Japan only Two factory editions of this model year differ for this position: not used and 5 A. Check the label on your own fuse box before fitting.
F30	10 A	Alternator, battery-backed sounder, transit relay
F31	40 A	Passenger front seat
F32	30 A	Electric parkbrake actuator
F33	20 A	Rear electronic module (fuel pump)
F34	30 A	Power amplifier
F37	10 A	TPM System Battery +
F39	15 A	Gateway module
F40	25 A	Right-hand rear window
F43	15 A	Rear cigar lighter
F44	15 A	Front cigar lighter
F46	10 A	Right-hand rear reverse, direction indicator and fog lamps
F47	20 A	FEM, front seat heater
F48	5 A	High mounted stop lamps
F49	5 A	Left-hand stop and tail lamps
F51	10 A	Navigation system
F52	20 A	Air suspension
F53	20 A	Rear fan motor
F54	15 A	Heated steering wheel
F55	5 A	TPM System

Relay	Function
R1	BLOWER RELAY
R2	REAR IGNITION RELAY
R3	ACCESSORY RELAY
R5	HEATED REAR WINDOW RELAY — PCB relay, not serviceable
R6	FUEL PUMP RELAY — PCB relay, not serviceable
R8	AUXILIARY RELAY — PCB relay, not serviceable
R15	FUEL LIFT PUMP RELAY

Megafuse Fuse Box

Luggage compartment, at the battery

Factory name: Megafuse Fuse BoxAlso called: megafuse, battery fuse box, battery junction box, starter fuse, main fusible link, trunk fuse box, boot fuse box

Fuse list — Megafuse Fuse Box

Gasoline

Fuse	Rating	Circuit
BATTERY POWER BUS 1	100 A	Battery to battery power bus 1, connector CR115
BATTERY POWER BUS 2 AND 3	175 A	Battery to battery power bus 2 (connector CR19) and battery power bus 3 (connector BO3)
STARTER SUPPLY	450 A	Battery to the starter motor, connector BO11

Diesel

Fuse	Rating	Circuit
BATTERY POWER BUS 1	100 A	Battery to battery power bus 1, connector CR115
BATTERY POWER BUS 2 AND 3	225 A	Battery to battery power bus 2 (connector CR19) and battery power bus 3 (connector BO3)
STARTER SUPPLY	450 A	Battery to the starter motor, connector BO11

Hover a fuse or relay for details. Always check against the label on your own fuse box — build variations exist within a model year.

What changed for 2008

Compared with the 2007 model year.

F10 — 5 A → Not used (Passenger Compartment Fuse Box)
F18 — no longer present (Passenger Compartment Fuse Box)
F22 — no longer present (Passenger Compartment Fuse Box)
F23 — no longer present (Passenger Compartment Fuse Box)
F24 — 5 A → Not used (Passenger Compartment Fuse Box)
F5 — no longer present (Passenger Compartment Fuse Box)
F6 — no longer present (Passenger Compartment Fuse Box)
F1 — no longer present (Luggage Compartment Fuse Box)
F10 — no longer present (Luggage Compartment Fuse Box)
F14 — no longer present (Luggage Compartment Fuse Box)
F2 — no longer present (Luggage Compartment Fuse Box)
F23 — no longer present (Luggage Compartment Fuse Box)
F29 — 10 A → Not used (Luggage Compartment Fuse Box)
F3 — no longer present (Luggage Compartment Fuse Box)
F35 — no longer present (Luggage Compartment Fuse Box)
F36 — no longer present (Luggage Compartment Fuse Box)
F38 — no longer present (Luggage Compartment Fuse Box)
F39 — Not used → 15 A (Luggage Compartment Fuse Box)
F4 — no longer present (Luggage Compartment Fuse Box)
F41 — no longer present (Luggage Compartment Fuse Box)
F42 — no longer present (Luggage Compartment Fuse Box)
F45 — no longer present (Luggage Compartment Fuse Box)
F50 — no longer present (Luggage Compartment Fuse Box)

The Engine Compartment Fuse Box (all) is not covered for the 2007 model year, so those positions are not compared — a gap in coverage, not a change to the car.

Download

Jaguar XJ (X350) 2008 — all fuse boxes (PDF, 738 KB) A4, ready to print and take to the car
Engine Compartment Fuse Box — diagram (PNG)
Passenger Compartment Fuse Box — diagram (PNG)
Luggage Compartment Fuse Box — diagram (PNG)

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