ENGINE PERFORMANCE – Jaguar XJ8 L 1999 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.0L

4.0L, Engine Performance Wiring Diagrams (1 of 4) for Jaguar XJ8 L 1999

List of elements for 4.0L, Engine Performance Wiring Diagrams (1 of 4) for Jaguar XJ8 L 1999:

• (13-14 not used)
• (center of dash, on firewall)
• (front of left front fender) g100
• Acc
• Air assist close valve
• Air conditioning system
• Cooling fans system
• Cruise cntrl system
• Cruise control system
• Data link connector (dlc) (on transmission tunnel)
• Ecm & tcm cooling fan
• Em19
• Em20
• Em80
• Em81
• Em82
• Ems control relay
• Engine control module (in eng compt, in control module enclosure)
• Engine coolant temperature sensor (on rear of top eng hose)
• Engine management fuse box
• Fuse 10a
• Fuse 30a
• Fuse 5a
• G100 (front of left front fender)
• G121 (center of firewall)
• G206
• Hot at all times
• Ignition switch
• Inertia switch (behind right kick panel)
• Mass airflow sensor (rear of air cleaner)
• Nca
• Off
• P129
• P133
• P142
• P16
• Parking brake switch (in center console)
• Pedal position sensor
• Pnk
• Red
• Run
• Start
• Starting/ charging system
• Throttle assembly
• Throttle motor
• Throttle position sensor

4.0L, Engine Performance Wiring Diagrams (2 of 4) for Jaguar XJ8 L 1999

List of elements for 4.0L, Engine Performance Wiring Diagrams (2 of 4) for Jaguar XJ8 L 1999:

• (in eng compt, in control module enclosure) ignition coil relay
• (right rear side of trunk) g405
• Brake switch (on brake pedal bracket)
• Cc14
• Cf24
• Evap canister purge valve (on eng compt bulkhead)
• Fuel pump
• Fuel pump relay 4
• Fuel tank
• Fuel tank pressure sensor (in top of fuel tank)
• Fuse 10a
• Fuse 20a
• G100 (front of left front fender)
• G121 (center of firewall)
• G206 (center of dash, on firewall)
• Gear selector illumination module (in center console)
• Gnd
• High power protection module
• Hot at all times
• Ignition positive relay
• Instrument pack
• Left heelboard fuse box
• Malfunction indicator lamp
• Nca
• Power fuse 250a
• Red
• Transmission rotary switch (on bracket, on top of transmission)
• Trunk fuse box
• Variable valve timing solenoid "a" bank (on "a" bank cylinder head)
• Variable valve timing solenoid "b" bank (on "b" bank cylinder head)

4.0L, Engine Performance Wiring Diagrams (3 of 4) for Jaguar XJ8 L 1999

List of elements for 4.0L, Engine Performance Wiring Diagrams (3 of 4) for Jaguar XJ8 L 1999:

• (in eng compt, in control module enclosure) fuel injector relay
• (in eng compt, in control module enclosure) oxygen sensor heaters relay
• (in eng compt, in control module enclosure) throttle motor power relay
• Canister closed valve (under right rear of vehicle)
• Engine compartment fuse box
• Engine oil temperature sensor (on block, below generator)
• Fuse 10a
• G100 (front of left front fender)
• G121 (center of firewall)
• Hot at all times
• Ignition coils
• Ignition positive relay
• Ls6
• Ls7
• Red

4.0L, Engine Performance Wiring Diagrams (4 of 4) for Jaguar XJ8 L 1999

List of elements for 4.0L, Engine Performance Wiring Diagrams (4 of 4) for Jaguar XJ8 L 1999:

• (1-2 not used)
• (3-4 not used)
• (9-12 not used)
• (in eng vee, under intake manifold)
• (in exhaust system, below bracket on top of transmission) downstream oxygen sensor "a"
• (in exhaust system, below bracket on top of transmission) downstream oxygen sensor "b"
• (in exhaust system, below bracket on top of transmission) upstream heated oxygen sensor "a"
• (in exhaust system, below bracket on top of transmission) upstream heated oxygen sensor "b"
• (on eng, rear of bed plate) crankshaft position sensor
• (on rear "a" bank cylinder head) camshaft position sensor "a" bank
• (on rear "b" bank cylinder head) camshaft position sensor "b" bank
• Computer data lines system
• Em83
• Em84
• Em85
• Engine control module (in eng compt, in control module enclosure)
• Fuel injectors
• G121 (center of firewall)
• Knock sensor "a" bank
• Knock sensor "b" bank
• Nca
• Red