ENGINE PERFORMANCE – Jaguar XJ8 L 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.2L

4.2L, Engine Performance Wiring Diagram (1 of 4) for Jaguar XJ8 L 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 4) for Jaguar XJ8 L 2005:

• (above brake pedal, on bracket) brake on/ off switch
• (right rear side of eng compt)
• Battery power
• Brake cancel
• Brake cancel switch (above brake pedal, on bracket)
• Brake on/off
• Ckp sensor (underside of engine, near bell- housing)
• Ckp sensor gnd
• Ckp sensor sig
• Computer data lines system
• Cooling fan module
• Cooling fans system
• Cr11
• Cr12
• Cr13
• Cr6
• Cr73
• Cruise control system
• Ec55
• Ec7
• Eft sensor (rear of fuel rail)
• Egr drive 1
• Egr drive 2
• Egr drive 3
• Egr drive 4
• Egr valve (front of right of intake manifold)
• Ems control relay
• Engine control module (right rear side of eng compt)
• Engine crank
• Evap can close
• Evap can purge
• Evap canister close valve (above rear axle assembly)
• Evap canister purge valve (behind right front wheelwell)
• Fuel pump
• Fuel tank
• Fuel temp sensor sig
• Fuse f15 5a
• Fuse f19 5a
• Fuse f2 5a
• Fuse f44 5a
• G24 (right front side of trunk)
• G24 (right front side of trunk)
• G26
• Ho2s heater 1/1
• Ho2s heater 2/1
• Ho2s heater gnd 1/1
• Hot at all times
• Hot in run
• Ignition coil 2
• Ignition coil 4
• Ignition coil 6
• Ignition coil 8
• Ignition on
• Inertia switch
• Maf sensor (on engine air intake)
• Maf sensor gnd
• Maf sensor sig
• Park/neutral sig
• Passenger junction fuse box (behind right end of dash)
• Power ground 1
• Power ground 2
• Rear electronic control module (right rear of trunk)
• Red
• Sensor 1 +5v
• Sensor 2 +5v
• Sensor ground 1
• Sensor ground 2
• Signal ground 1
• Signal ground 2
• Speed control sw
• Starter relay
• Starting circuit
• Stepper motor
• Throttle motor gnd
• Throttle motor relay
• Tp and app shield

4.2L, Engine Performance Wiring Diagram (2 of 4) for Jaguar XJ8 L 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 4) for Jaguar XJ8 L 2005:

• (center rear of eng compt)
• (right rear side of engine compt)
• App sensor (above accelerator pedal)
• Cr5
• Cr82
• Ec19
• Ec28
• Ec35
• Ec40
• Ems control relay
• Front power distribution fuse box (right front of engine compt)
• Fuel pump diode
• Fuel pump relay
• Fuse f1 5a
• Fuse f12
• Fuse f13
• Fuse f14
• Fuse f17 10a
• Fuse f33 20a
• G23 (right rear of trunk)
• G26
• Hot at all times
• Hot in run
• Ignition capacitor
• Ignition modules & coils
• Rear power distribution fuse box (right rear of trunk)
• Red
• To throttle motor relay (diagram 3 of 4)

4.2L, Engine Performance Wiring Diagram (3 of 4) for Jaguar XJ8 L 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 4) for Jaguar XJ8 L 2005:

• Air conditioning pressure sensor (on a/c condenser)
• Ec19
• Ec26
• Ec41
• Ec5
• From ems control relay (diagram 2 of 4)
• Front power distribution fuse box (right front of engine compt)
• Ftp sensor (left side of fuel tank)
• Fuse f24 20a
• Fuse f30 10a
• Fuse f33 30a
• Fuse f34 30a
• G2 (behind right headlight)
• Ho2 sensor downstream 1/2 (right exhaust pipe, at top of catalyst)
• Ho2 sensor downstream 2/2 (left exhaust pipe, at center of catalyst)
• Ho2 sensor upstream 1/1 (right exhaust pipe, at top of catalyst)
• Ho2s relay
• Ho2s sensor upstream 2/1 (left exhaust pipe, at top of catalyst)
• Hot at all times
• Ignition coil relay
• Intake manifold)
• Map sensor (rear of
• Red
• Throttle motor relay

4.2L, Engine Performance Wiring Diagram (4 of 4) for Jaguar XJ8 L 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 4) for Jaguar XJ8 L 2005:

• (coolant
• (front of right fuel rail) ip sensor
• (next
• (on throttle body)
• (rear of bank 1 camshaft cover) cmp sensor 1
• (rear of bank 2 camshaft cover)
• (right rear side of eng compt)
• A/c press sig
• App sensor 1 sig
• App sensor 2 sig
• Bank 1 vvt sol
• Bank 2 vvt sol
• Can +
• Can -
• Cmp sensor 1 gnd
• Cmp sensor 1 sig
• Cmp sensor 2
• Cmp sensor 2 gnd
• Cmp sensor 2 sig
• Computer data lines system
• Data link connector (left side of trans tunnel)
• Ect sensor sig
• Engine control module (right rear side of eng compt)
• Ftp sensor sig
• Fuel inj 1,4,6,7 gnd
• Fuel inj 2,3,5,8 gnd
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel injector 7
• Fuel injector 8
• Fuel injectors
• G26
• G26 (right rear side of engine compt)
• Generator
• Generator fault
• Ho2s 1/1 sig
• Ho2s 1/2 sig
• Ho2s 1/2, 2/2 gnd
• Ho2s 2/1 sig
• Ho2s 2/2 sig
• Ho2s heater 1/2
• Ho2s heater 2/1
• Ho2s heater 2/2
• Ho2s shield
• Iat sensor 1 sig
• Ign monitor bank 1
• Ign monitor bank 2
• Ignition coil 1
• Ignition coil 3
• Ignition coil 5
• Ignition coil 7
• Inj press sig
• Knock sensor 1
• Knock sensor 1 (in engine vee, on bank 1)
• Knock sensor 2
• Knock sensor 2 (in engine vee, on bank 2)
• Map sensor sig
• Nca
• Oil temp sensor sig
• Outlet casting) ect sensor
• Red
• Sensor shield
• Serial data link
• Throttle motor
• Throttle motor pwr
• To oil filter) eot sensor
• Tp sensor
• Tp sensor 1 sig
• Tp sensor 2 sig
• Vvt solenoid valve 1 (front of right cyl head)
• Vvt solenoid valve 2 (front of left cyl head)