ENGINE PERFORMANCE – Land Rover Discovery 3 SE 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.4L

4.4L, Engine Performance Wiring Diagram (1 of 5) for Land Rover Discovery 3 SE 2005

List of elements for 4.4L, Engine Performance Wiring Diagram (1 of 5) for Land Rover Discovery 3 SE 2005:

• (not used)
• 5v ref 4
• Alt monitor
• Battery junction box
• C0570l
• C0634
• Cam a gnd
• Cam a+
• Cam b gnd
• Cam b+
• Camshaft position sensor a
• Camshaft position sensor b
• Coil 1b
• Coil 2a
• Coil 2b
• Coil 3a
• Coil 3b
• Coil 4a
• Coil 4b
• Crank +
• Crank -
• Crankshaft position sensor
• Egr 1
• Egr 2
• Egr 4
• Egr modulator valve
• Engine control module (ecm) (left side of eng compt)
• Engine control module relay
• Engine coolant temperature sensor (top of engine)
• Fuel temp
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 5a
• Hot at all times
• Knock 1a +
• Knock 1a -
• Knock 1b +
• Knock 1b -
• Left knock sensor
• Maf gnd
• Nca
• Oil temp
• Red
• Right knock sensor
• Sen gnd 5
• Sen gnd 6
• Sensor gnd 3
• Sensor gnd 4
• Starting/ charging system
• Twisted pair wires
• Uhego a gnd
• Uhego a sig
• Uhego b gnd
• Uhego b sig

4.4L, Engine Performance Wiring Diagram (2 of 5) for Land Rover Discovery 3 SE 2005

List of elements for 4.4L, Engine Performance Wiring Diagram (2 of 5) for Land Rover Discovery 3 SE 2005:

• (right front of eng compt) mass air flow (maf) sensor
• 5v ref 3
• Afm iat
• Battery junction box
• C0570l
• C0634 alt monitor
• Coil 1a
• Coolant temp
• E-box fan
• Electric throttle unit
• Engine control module (ecm) (left side of eng compt)
• Fan request
• Fan speed
• Front center of eng compt) viscous fan
• Fuel pump
• Fuel pump relay
• Fuse 25a
• Hall effect sensor
• Hot at all times
• Igf 1
• Igf2
• Inj cyl 1a
• Inj cyl 1b
• Inj cyl 2a
• Inj cyl 2b
• Inj cyl 3a
• Inj cyl 3b
• Inj cyl 4a
• Inj cyl 4b
• Maf
• Map
• Purge valve
• Red
• Solenoid
• Starting/ charging system
• Throttle +
• Throttle -
• Tps1
• Tps2
• Uhego a htr
• Uhego b htr
• Vvt a
• Vvt b

4.4L, Engine Performance Wiring Diagram (3 of 5) for Land Rover Discovery 3 SE 2005

List of elements for 4.4L, Engine Performance Wiring Diagram (3 of 5) for Land Rover Discovery 3 SE 2005:

• (left side of eng)
• (right side of eng)
• C2649
• C2651
• Capacitor
• Fuel injector no 1
• Fuel injector no 2
• Fuel injector no 3
• Fuel injector no 4
• Fuel injector no 5
• Fuel injector no 6
• Fuel injector no 7
• Fuel injector no 8
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• Red

4.4L, Engine Performance Wiring Diagram (4 of 5) for Land Rover Discovery 3 SE 2005

List of elements for 4.4L, Engine Performance Wiring Diagram (4 of 5) for Land Rover Discovery 3 SE 2005:

• (at front of eng) oil temperature sensor
• (on top of fuel tank) fuel tank unit
• C2922 (base of left "d" pillar)
• E-box cooling fan (right rear of eng compt)
• Fuel pump
• Fuel rail temperature sensor
• Instrument cluster system
• Left front heated oxygen sensor
• Left rear heated oxygen sensor (under center of vehicle)
• Manifold absolute pressure sensor
• Purge control valve
• Red
• Right front heated oxygen sensor
• Right rear heated oxygen sensor (under center of vehicle)
• Twisted pair wires
• Variable valve timing oil valve a
• Variable valve timing oil valve b

4.4L, Engine Performance Wiring Diagram (5 of 5) for Land Rover Discovery 3 SE 2005

List of elements for 4.4L, Engine Performance Wiring Diagram (5 of 5) for Land Rover Discovery 3 SE 2005:

• (behind left front wheel arch liner)
• (under center of vehicle) leak detection pump
• 5v ref 1
• 5v ref 2
• Accelerator pedal position sensor (under left side of dash)
• Air conditioning system
• Batt
• Battery junction box
• Brake boost pump
• Brake boost relay
• Brake sw
• C0557l (behind left front wheel arch liner)
• C0570l
• C0583l
• C0584l
• C0635l
• C2635
• C2650l
• Can h in
• Can h out
• Can l in
• Can l out
• Central junction box (behind right side of dash)
• Computer data lines system
• Condenser fan
• Crank
• Cruise control system
• Cruise sw +
• Cruise sw -
• Demand 1
• Demand 2
• Dmtl heater
• Dmtl pump
• Dmtl valve
• Ecm power
• Engine control module (ecm) (left side of eng compt)
• Exterior lights system
• Fuse 20a
• Fuse 5a
• Gnd 1
• Gnd 2
• Hego a htr
• Hego a sig
• Hego b htr
• Hego b sig
• Hot at all times
• Hot in run
• Hot in start
• Ign (run)
• Main relay
• P/n
• Power gnd 1
• Power gnd 2
• Power gnd 3
• Red
• Signal gnd
• Srs signal
• Start relay
• Starting/ charging system
• Throttle power
• Twisted pair wires