ENGINE PERFORMANCE – Jaguar XJ8 L 1998 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.0L

4.0L, Engine Performance Wiring Diagrams (1 of 4) for Jaguar XJ8 L 1998

List of elements for 4.0L, Engine Performance Wiring Diagrams (1 of 4) for Jaguar XJ8 L 1998:

• (1-4 not used)
• (18-19 not used)
• (20-21 not used)
• (7-8 not used)
• (behind right kick panel) inertia switch
• (center of dash, on firewall)
• (front of left front feder)
• Acc
• Air conditioning system
• Computer data lines system
• Cruise control system
• Data link connector (on transmission tunnel)
• Ecm & tcm cooling fan
• Em10
• Em11
• Em12
• Em19
• Em20
• 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
• G121 (center of fire- wall)
• G206
• Hot at all times
• Ignition switch
• Mass air flow sensor (rear of air cleaner)
• Nca
• Off
• P133
• P142
• P16
• Parking brake switch (in center console)
• Pedal position sensor & mechanical quard sensor
• Pnk
• Red
• Run
• Start
• Starting/charging system
• Throttle assembly
• Throttle motor
• Throttle position motor

4.0L, Engine Performance Wiring Diagrams (2 of 4) for Jaguar XJ8 L 1998

List of elements for 4.0L, Engine Performance Wiring Diagrams (2 of 4) for Jaguar XJ8 L 1998:

• (in eng compt, in control module enclosure) ignition coil relay)
• (right front side of trunk) g401
• 250a
• 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
• 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
• 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 1998

List of elements for 4.0L, Engine Performance Wiring Diagrams (3 of 4) for Jaguar XJ8 L 1998:

• (in eng compt, in control module enclosure) fuel injector relay
• (in eng compt, in control module enclosure) throttle motor power relay
• Canister closed valve (under right rear of vehicle)
• Engine compartment fuse box
• Fuse 10a
• G100 (front of left front fender)
• G121 (center of firewall)
• Hot at all times
• Ignition module 1 (in eng compt, in control module enclosure)
• Ignition module 2 (in eng compt, in control module enclosure)
• Ignition positive relay
• Ls6
• Ls7
• Red
• Vacuum switching valves (on eng compt bulkhead)

4.0L, Engine Performance Wiring Diagrams (4 of 4) for Jaguar XJ8 L 1998

List of elements for 4.0L, Engine Performance Wiring Diagrams (4 of 4) for Jaguar XJ8 L 1998:

• (13-14 not used)
• (19-21 not used)
• (5-10 not used)
• (in eng vee, under intake manifold)
• (in exhaust system, below bracket on top of transmission) heated oxygen sensor "a"
• (in exhaust system, below bracket on top of transmission) heated oxygen sensor "b"
• (in exhaust system, below bracket on top of transmission) oxygen sensor "a"
• (in exhaust system, below bracket on top of transmission) oxygen sensor "b"
• (on eng, rear of bed plate) crankshaft position sensor
• (on rear "b" bank cylinder head) camshaft position sensor
• Cooling fans system
• Cruise control system
• Em13
• Em14
• Em15
• Engine control module (in eng compt, in control module enclosure)
• Fuel injectors
• G121 (center of firewall)
• Ignition coils
• Knock sensor "a" bank
• Knock sensor "b" bank
• Nca
• Red