ENGINE PERFORMANCE – Lincoln Navigator 2003 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

5.4L

5.4L, Engine Performance Wiring Diagram (1 of 4) for Lincoln Navigator 2003

List of elements for 5.4L, Engine Performance Wiring Diagram (1 of 4) for Lincoln Navigator 2003:

• (engine sensor harn, near breakout to c1373) s110
• (engine sensor harn, near breakout to c1373) s111
• (left b-pillar) g300
• (right rear of engine compt)
• A/c clu rly ctrl
• A/c system
• Ac term signal
• Acc
• Anti-theft system
• Battery
• Bps switch output
• C fan spd ctrl
• C175b
• C270a
• C270b
• C270d
• C270f
• C270g
• C270k
• Canister vent
• Central junction box (right kick panel)
• Charging system
• Cool fan ctrl sig
• Cooling fan system
• Cruise control system
• Data link connector (under driver side dash panel)
• Electronic suspension, navigation, wiper/washer, and sound systems (vehicle speed signal)
• Evap valve
• F pump rly ctrl
• Floor shifter
• Fuel pump assembly (fuel tank)
• Fuel pump relay
• Fuel tank pressure transducer sensor (in fuel tank)
• Fuse
• Fuse 15a
• Fuse 20a
• Fuse 7.5a
• G102
• Gen comm cir
• Gen monitor
• Ground
• Hot at all times
• Hot in run or start
• Iat input
• Ignition switch
• Inertia fuel shut-off switch (rear end of vehicle)
• Instument cluster system
• Lock
• Maf output
• Maf sig rtn
• Module prog sig
• Nca
• O/d switch
• Od cancel sw
• Off
• Pcm power diode
• Pcm power relay
• Powertrain control module (right side of engine bulkhead)
• Pres sensor
• Red
• Red/pnk
• Ref voltage
• Run
• Rx sig
• S108
• S133
• S203
• S454
• Scp -
• Scp bus +
• Servo common
• Servo sig a
• Servo sig b
• Servo sig c
• Signal return
• Spd ctrl sw in
• St and run sig
• St rly ctrl
• St whl ctrl gnd
• Start
• Starting system
• Sw poer out
• Tan
• Theft ind ctrl
• Tps signal
• Transmission system
• Tx sig
• Vss+

5.4L, Engine Performance Wiring Diagram (2 of 4) for Lincoln Navigator 2003

List of elements for 5.4L, Engine Performance Wiring Diagram (2 of 4) for Lincoln Navigator 2003:

• (above rear axle) evap canister vent control solenoid
• (engine crtl harn, near breakout to c129) s125
• Coils on plug
• Crankshaft position sensor (front of engine)
• Differential pressure feedback egr (dpfe) sensor (left top of engine)
• Engine coolant temperature sensor (top of engine)
• G102 (right rear of engine compt)
• Ignition trans- former capacitor
• Inlet manifold runner control module (front of engine)
• Intake air temperature (iat) sensor (in intake system)
• Mass airflow (maf) sensor (in intake system)
• Nca
• Red
• S108
• S124
• S127 (engine ctrl harn, near break- out to c187)
• S129
• S132
• Throttle position (tp) sensor (on throttle body)

5.4L, Engine Performance Wiring Diagram (3 of 4) for Lincoln Navigator 2003

List of elements for 5.4L, Engine Performance Wiring Diagram (3 of 4) for Lincoln Navigator 2003:

• (left rear side of engine compt)
• 4r100 transmission
• A/c system
• Coast clutch solenoid
• Egr vacuum regulator solenoid (left side of engine)
• Electronic pressure control solenoid
• Fuel injectors
• Idle air control (iac) valve (on throttle body)
• Output shaft speed (oss) sensor (rear of transmission)
• Red
• S105 (near breakout to c124)
• S109 (eng ctrl sensor harn, near red breakout to c1373)
• S126 (eng ctrl sensor harn, near breakout to c1066)
• S131 (eng ctrl sensor harn, near breakout to c194)
• Shift solenoids
• Tan
• Tan/ red
• Tan/red
• Torque converter clutch solenoid
• Transmission fluid temperature sensor
• Vapor management valve

5.4L, Engine Performance Wiring Diagram (4 of 4) for Lincoln Navigator 2003

List of elements for 5.4L, Engine Performance Wiring Diagram (4 of 4) for Lincoln Navigator 2003:

• (left front of engine) cylinder head temperature (cht) sensor
• (near breakout to c171)
• (near breakout to c175t)
• (on transmission) turbine shaft speed sensor
• (pins 4-10 not used)
• (rear of engine) knock sensor
• C175e
• C175t
• Camshaft position sensor (on front of engine)
• Ckp +
• Ckp -
• Cmp input
• Cooling fan system
• Cop 1 ctrl
• Cop 2 ctrl
• Cop 3 ctrl
• Cop 4 ctrl
• Cop 5 ctrl
• Cop 6 ctrl
• Cop 7 ctrl
• Cop 8 ctrl
• Cyl head tmp sns
• Digital transmission range sensor (left side of transmission)
• Dpfe input
• Dtr, tr1
• Dtr, tr2
• Dtr, tr3a
• Dtr, tr4
• Ect input
• Epc sol ctrl
• Evr ctrl
• Heated oxygen sensor (ho2s) 11 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 12 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 21 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 22 (on engine exhaust pipe)
• Ho2s 11 htr
• Ho2s 11 input
• Ho2s 12 htr
• Ho2s 12 input
• Ho2s 21 htr
• Ho2s 21 input
• Ho2s 22 htr
• Ho2s 22 input
• Iac ctrl
• Imrc module
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Ks 1 +
• Ks 1 -
• Nca
• Oss sensor
• Powertrain control module (right side of engine bulkhead)
• R n
• Reference voltage
• S128
• S138
• S140
• Shift sol a
• Shift sol b
• Signal return
• St and run voltage
• Tan
• Tan/red
• Tcc solenoid
• Tft input
• Tps input
• Tss sensor