ENGINE PERFORMANCE – Jaguar XJ8 L 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.2L

4.2L, Engine Performance Wiring Diagram (1 of 5) for Jaguar XJ8 L 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 5) for Jaguar XJ8 L 2008:

• Can +
• Can -
• Ckp sens sig
• Ckp sensor (at underside of engine, near transmission bellhousing)
• Ckp sensor gnd
• Cmp sensor 1 gnd
• Cmp sensor 1 sig
• Cmp sensor 2 gnd
• Cmp sensor 2 sig
• Computer data lines system
• Ec19
• Ec28
• Ec35
• Ect sensor (on coolant outlet casting)
• Eft sensor (on rear of fuel rail)
• Ems control relay
• Eng oil temp sig
• Engine control module (at right rear side of engine compt, in control module enclosure)
• Engine fuel temp sensor sig
• Front power distribution fuse box (at right front of engine compt)
• Fuse f12 10a
• Fuse f13 10a
• Fuse f14 10a
• Fuse f2 10a
• Generator fault
• Ho2 sensor 1/2 sig
• Ho2 sensor 2/2 sig
• Ho2 sensors 2/2 shield
• Ho2s 1/1 constant sig
• Ho2s 1/1 variable sig
• Ho2s 1/2 shield gnd
• Ho2s 2/1 constant sig
• Ho2s 2/1 variable sig
• Hot at all times
• Knock sensor 1 gnd
• Knock sensor 1 sig
• Knock sensor 2 gnd
• Knock sensor 2 sig
• Maf sensor (on engine air intake, near air cleaner)
• Maf sensor gnd
• Pi300
• Red
• Sensor gnd
• Sensor pwr +5v
• Starting/ charging system
• Tps gnd

4.2L, Engine Performance Wiring Diagram (2 of 5) for Jaguar XJ8 L 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 5) for Jaguar XJ8 L 2008:

• (at front of right fuel rail) ip sensor
• (at lower rear of intake manifold) map sensor
• (next to oil filter) eot sensor
• (on rear of bank 1 camshaft cover) cmp sensor 1
• (on rear of bank 2 camshaft cover) cmp sensor 2
• Ho2 sensor downstream 1/2 (on left exhaust pipe, at top of catalyst)
• Ho2 sensor downstream 2/2 (on left exhaust pipe, at center of catalyst)
• Ho2 sensor upstream 1/1 (on right exhaust pipe, at top of catalyst)
• Ho2 sensor upstream 2/1 (on left exhaust pipe, at top of catalyst)
• Knock sensor 1 (in engine vee, on bank 1)
• Knock sensor 2 (in engine vee, on bank 2)
• Nca
• Red
• Throttle body
• Throttle motor
• Tp sensor

4.2L, Engine Performance Wiring Diagram (3 of 5) for Jaguar XJ8 L 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 5) for Jaguar XJ8 L 2008:

• (1, 3, 5, 7: at top of right cylinder head) (2, 4, 6, 8: at top of left cylinder head) ignition modules & coils
• (at center rear of engine compt)
• Ect sens sig
• Egr drive 1: b+
• Egr drive 2: b+
• Egr drive 3: b+
• Egr drive 4: b+
• Egr valve (at front of right of intake manifold)
• Engine control module (at right rear side of engine compt, in control module enclosure)
• Evap can purge val
• Evap canister purge valve (behind right front wheelwell)
• Fuel inj drive cyl 1
• Fuel inj drive cyl 2
• Fuel inj drive cyl 3
• Fuel inj drive cyl 4
• Fuel inj drive cyl 5
• Fuel inj drive cyl 6
• Fuel inj drive cyl 7
• Fuel inj drive cyl 8
• Hos2 1/1 heater ctrl
• Hos2 1/2 heater ctrl
• Hos2 2/1 heater ctrl
• Hos2 2/2 heater ctrl
• Iat sens sig
• Ign monitor bank 1
• Ign monitor bank 2
• Ignition capacitor
• Ignition coil cyl 1
• Ignition coil cyl 2
• Ignition coil cyl 3
• Ignition coil cyl 4
• Ignition coil cyl 5
• Ignition coil cyl 6
• Ignition coil cyl 7
• Ignition coil cyl 8
• Inj press sens sig
• Maf sens sig
• Map sens sig
• Pi300
• Pi51
• Stepper motor
• Throttle motor drive
• Throttle motor gnd
• Tps sens 1 sig
• Tps sens 2 sig
• Vvt sol valve 1
• Vvt sol valve 2

4.2L, Engine Performance Wiring Diagram (4 of 5) for Jaguar XJ8 L 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 5) for Jaguar XJ8 L 2008:

• Ec19
• Ec26
• Ec28
• Ec40
• Ec41
• Ec5
• Front power distribution fuse box (at right front of engine compt)
• Fuel injectors (on fuel rail)
• Fuse f1 5a
• Fuse f17 10a
• Fuse f2 40a
• Fuse f27 5a
• Fuse f30 10a
• Fuse f33 30a
• Fuse f34 30a
• G2 (behind right headlight)
• G26 (at right rear side of engine compt, in control module enclosure)
• Ho2s relay
• Hot at all times
• Hot in run
• Ignition coil relay
• In-line fuse
• Leak detection unit
• Red
• Secondary air injection pump
• Secondary air injection relay
• Vacuum solenoid
• Vvt solenoid valve 1 (at front of right cylinder head)
• Vvt solenoid valve 2 (at front of left cylinder head)

4.2L, Engine Performance Wiring Diagram (5 of 5) for Jaguar XJ8 L 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (5 of 5) for Jaguar XJ8 L 2008:

• (at right rear side of engine compt, in control module enclosure) g26
• A/c press sens sig
• Acc pedal pos sens 1
• Acc pedal pos sens 2
• Air conditioning pressure sensor (on a/c condenser, next to radiator)
• App sensor (above accelerator pedal)
• Asl led
• Asl master switch
• Asl switch
• Battery power
• Brake cancel switch
• Brake cancel switch (above brake pedal, on bracket)
• Brake on/ off switch (above brake pedal, on bracket)
• Brake on/off
• Ca101
• Computer data lines system
• Cooling fan module ctrl
• Cooling fans system
• Cr11
• Cr12
• Cr13
• Cr4
• Cr5
• Cr56
• Cr6
• Cr7
• Cr73
• Cr82
• Cruise control system
• Ec300
• Ec7
• Ems control relay
• Engine control module (at right rear side of engine compt, in control module enclosure)
• Engine crank
• Fuel pump
• Fuel pump diode
• Fuel pump drive sig
• Fuel pump relay
• Fuel tank
• Fuse f15 5a
• Fuse f19 5a
• Fuse f3 5a
• Fuse f33 20a
• Fuse f42 10a
• Fuse f44 5a
• G15 (behind right side of dash)
• G23 (at right rear of trunk)
• G24 (at right front side of trunk)
• G9 (at left "a" pillar)
• Hot at all times
• Hot in run
• Ignition on
• Inertia switch
• Leak detection heater ctrl
• Leak detection pump ctrl
• Leak detection valve ctrl
• Nca
• Park/neutral sig
• Passenger junction fuse box (behind right end of dash)
• Power ground 1
• Power ground 2
• Power ground 3
• Rear electronic module (at right rear of trunk)
• Rear power distribution fuse box (at right rear of trunk)
• Red
• Sai relay drive
• Sai vacuum sol drive
• Sensor 1 +5v
• Sensor 2 +5v
• Sensor ground 1
• Signal ground 1
• Spd ctrl sw request
• Spd ctrl sw sig gnd
• Starter relay
• Starting/ charging system
• Transmissions system