ENGINE PERFORMANCE – Land Rover Defender 90 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.0L

4.0L, Engine Performance Wiring Diagrams (1 of 2) for Land Rover Defender 90 1997

List of elements for 4.0L, Engine Performance Wiring Diagrams (1 of 2) for Land Rover Defender 90 1997:

• 1 & 6
• 2 & 3
• 4 & 7
• 5 & 8
• Air conditioning system
• C154
• C157
• C233
• C288
• C575
• C634
• C635
• Crankshaft position sensor (left side of eng)
• Engine check warning light
• Engine compartment fuse box (left side of eng compt)
• Engine control module (ecm) (right rear side of eng compt)
• Engine management relay module (right rear side of eng compt)
• Fuel injectors
• Fuel pump
• Fuel pump relay
• Fuel tank unit (above fuel tank)
• Fuse 15a
• Fuse 20a
• G113 (beneath gear box)
• G121 (top center of firewall)
• Header joint (behind instru- ment pack)
• Hot at all times
• Hot in run or start
• Idle air control valve (right front of eng)
• Ignition coils
• Inertia switch (center top of firewall)
• Instrument pack
• Main relay
• Nca
• Purge control valve (under bonnet, right inner fender)
• Red

4.0L, Engine Performance Wiring Diagrams (2 of 2) for Land Rover Defender 90 1997

List of elements for 4.0L, Engine Performance Wiring Diagrams (2 of 2) for Land Rover Defender 90 1997:

• (behind front of center console) header joint
• (beneath front passenger's seat) rough road detection ecu
• (beneath left rear of vehicle) left rear speed sensor
• (beneath right rear of vehicle) right rear speed sensor
• (under bonnet, left inner fender) left front speed sensor
• (under bonnet, right inner fender) right front speed sensor
• Air conditioning system
• Air temperature sensor (center rear of eng compt)
• C286
• C287
• C288
• C289
• C580
• C581
• C636
• Camshaft position sensor (bottom right of eng)
• Diode (behind passenger compt fuse box)
• Engine control module (ecm) (right rear side of eng compt)
• Engine coolant temperature sensor (right front of eng)
• Engine immobilization control unit (behind instrument pack)
• Fuel temperature sensor (left top of eng)
• Fuse 15a
• Fuse 20a
• G121 (top center of fire wall)
• Header joint (behind dash trim panel)
• Header joint (behind instrument pack)
• Hot in start and run
• Instrument cluster system
• Left front heated oxygen sensor (above gear box)
• Left rear heated oxygen sensor (right side of transfer box)
• Left-bank knock sensor (left side of eng)
• Mass air flow sensor (center rear of eng compt)
• Nca
• Passenger compart- ment fuse box
• Red
• Right front heated oxygen sensor (above gear box)
• Right rear heated oxygen sensor (right side of transfer box)
• Right-bank knock sensor (right side of eng)
• Service engine timer (behind front of center console)
• Speedometer (behind instrument pack)
• Starter relay (behind front of center console)
• Throttle position sensor (left top of eng)