ENGINE PERFORMANCE – Ford Expedition 2002 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L

4.6L, Engine Performance Wiring Diagrams, with 4R100 Transmission (1 of 4) for Ford Expedition 2002

List of elements for 4.6L, Engine Performance Wiring Diagrams, with 4R100 Transmission (1 of 4) for Ford Expedition 2002:

• (engine control sensor harn, near breakout to 40-pin connector, left rear left rear corner of eng compt)
• (fuel charge harn, near breakout to 42-pin conn in right rear of engine compt)
• (fuel charge harn, near breakout to fuel injector 3)
• (left front radiator support) g104
• (main harn, near breakout to central junction box)
• (right rear of engine compt)
• 4x4 low ind sw
• Accel sig
• Accs
• Air conditioning system
• Battery junction box (left side of engine compt)
• Body computer system
• Case gnd
• Central junction box (under left side of dash)
• Ckp(+)
• Ckp(-)
• Css
• Data link (+)
• Data link (-)
• Data link connector (partial) (under center of dash)
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dlc
• Electronic suspension system
• Evr ctrl
• Fuel pump mon
• Fuse 30a
• Fuse 5a
• G101
• Hot at all times
• Hot in run or start
• Iat
• Ign coil 1
• Ign coil 3
• Ign coil 5
• Ign coil 6
• Ind
• Instrument cluster system
• Intake manifold
• Ks sensor
• Maf
• Nca
• Not used
• Noy used
• O/d off
• Pcm data out
• Pcm power diode
• Pcm power relay
• Pnk
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• R n
• Radio noise capacitor (top left side of engine)
• Radio noise capacitor (top right side of engine)
• Rr ho2s sig (12)
• S101
• S106
• S116
• S161
• S162 (fuel charge harn, near breakout to fuel injector 7)
• S2007
• S2008
• Shift sol 1
• Shift sol 2
• Tcil
• Tcs
• Tft
• To dtr sensor (diagram 4 of 4)
• Tp out
• Tr1
• Tr2
• Tr4
• Transmission control switch (a/t)

4.6L, Engine Performance Wiring Diagrams, with 4R100 Transmission (2 of 4) for Ford Expedition 2002

List of elements for 4.6L, Engine Performance Wiring Diagrams, with 4R100 Transmission (2 of 4) for Ford Expedition 2002:

• (engine control sensor harn, near breakout to 38-pin conn in right rear of engine compt)
• (engine control sensor harn, near breakout to 40-pin conn in left rear of engine compt)
• (engine control sensor harn, near breakout to windshield wiper motor)
• (under left side of dash) central junction box
• Battery junction box (left side of engine compt)
• C267
• Crankshaft position (ckp) sensor (lower front of engine)
• Crankshaft position sensor shield
• Differential pressure feedback egr (dpfe) sensor (left side of engine)
• Electronic suspension system
• Fuel pump relay
• Fuel tank pressure sensor (in fuel tank)
• Fuse 15a
• Fuse 20a
• G101 (rear of engine compt)
• Generic electronic module
• Hot at all times
• Intake air temperature (iat) sensor (on intake manifold)
• Intake manifold tunning valve (top front of engine)
• Nca
• Red
• Red/pnk
• S101
• S127
• S135 (fuel charge harn, near breakout to ho2s 21)
• S136 (fuel charge harn, near breakout to knock sensor)
• S137 (engine control sensor harn, near breakout to starter relay)
• S138
• S139
• Throttle position (tp) sensor (on throttle body)
• Vss input

4.6L, Engine Performance Wiring Diagrams, with 4R100 Transmission (3 of 4) for Ford Expedition 2002

List of elements for 4.6L, Engine Performance Wiring Diagrams, with 4R100 Transmission (3 of 4) for Ford Expedition 2002:

• (backup lamp sw to rear lamp feed harn, in breakout to 38-pin conn in right rear engine compt)
• (engine control sensor harn, left rear corner
• (engine ctrl sensor harn, near breakout to windsheild wiper motor)
• (fuel charge harn, near breakout to ignition coil 3)
• (fuel charge harn, near breakout to knock sensor)
• (fuel tank) fuel pump assembly
• (in left side of engine compt) speed control servo
• 4r100 transmission
• Coast clutch solenoid
• Egr vacuum regulator solenoid (left side of engine)
• Electronic pressure control solenoid
• Evap canister purge
• Fuel injectors
• G104 (left front radiator support)
• Idle air control (iac) valve (on left side of intake manifold)
• Inertia fuel shut-off switch (under right side of dash)
• Instrument cluster system
• Nca
• Of engine compt)
• Output shaft speed (oss) sensor (left side of transmission)
• Red
• Red/pnk
• S129
• S131 (fuel charge harn, near breakout to ign coil 7)
• S134
• S140
• S141
• S143
• S198
• S400
• Shift solenoid a
• Shift solenoid b
• Tan
• Tan/ red
• Tan/red
• Torque converter clutch solenoid
• Transmission fluid temperature sensor
• Turbine shaft speed (oss) sensor (left side of transmission)
• Valve (left rear corner of engine compt)
• Vss input

4.6L, Engine Performance Wiring Diagrams, with 4R100 Transmission (4 of 4) for Ford Expedition 2002

List of elements for 4.6L, Engine Performance Wiring Diagrams, with 4R100 Transmission (4 of 4) for Ford Expedition 2002:

• (engine cntrl sens harn, near breakout to 40-pin conn, left rear of eng compt)
• (near fuel tank) canister vent solenoid
• (on left side of engine compartment)
• (right side of engine) dual knock sensor (ks)
• (top front of engine) cylinder head temperature (cht) sensor
• 5v ref volt
• Battery junction box
• Bpp sw
• Brake pedal position (bpp) switch
• Cam pos in
• Camshaft position (cmp) sensor (on front of engine)
• Canister vent
• Central junction box (under left side of dash)
• Cyl head temp
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dpfe sens
• Epc sol
• From dtr sensor (diagram 1 of 4)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 7
• Fuel inj 8
• Fuel pump ctrl
• Fuel tank press
• Fuse 5a
• G101 (right rear of engine compt)
• G201 (left kick panel)
• 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)
• Heater ctrl
• Hot at all times
• Iac sol
• Ign coil 2
• Ign coil 4
• Ign coil 7
• Ign coil 8
• Kap b(+)
• Knock sensor
• Lf ho2s
• Lf ho2s sig (21)
• Lr ho2s
• Lr ho2s sig (22)
• Maf sens in
• Mass airflow (maf) sensor (in air cleaner assembly)
• Nca
• Oss (+)
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• Red
• Red/pnk
• Rf ho2s
• Rf ho2s sig (11)
• Rr ho2s
• S101
• S289
• Sig rtn
• Tan
• Tan/red
• Tcc sol
• Tp sens in
• Tr3a
• Tss
• Vapor valve
• Vpwr
• Vss (+)
• Wot relay

4.6L, Engine Performance Wiring Diagrams, with 4R70W Transmission (1 of 4) for Ford Expedition 2002

List of elements for 4.6L, Engine Performance Wiring Diagrams, with 4R70W Transmission (1 of 4) for Ford Expedition 2002:

• (engine control sensor harn, near breakout to 40-pin connector, left rear corner of eng compt)
• (fuel charge harn, near breakout to 42-pin conn in right rear of engine compt)
• (fuel charge harn, near breakout to fuel injector 3)
• (left front radiator support) g104
• (main harn, near breakout to central junction box)
• (right rear of engine compt)
• 4x4 low ind sw
• Accel sig
• Accs
• Air conditioning system
• Battery junction box (left side of engine compt)
• Body computer system
• Case gnd
• Central junction box (under left side of dash)
• Ckp(+)
• Ckp(-)
• Data link (+)
• Data link (-)
• Data link connector (partial) (under center of dash)
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dlc
• Electronic suspension system
• Evr ctrl
• Fuel pump mon
• Fuse 30a
• Fuse 5a
• G101
• Hot at all times
• Hot in run or start
• Iat
• Ign coil 1
• Ign coil 3
• Ign coil 5
• Ign coil 6
• Ind
• Instrument cluster system
• Intake manifold
• Ks sensor
• Maf
• Nca
• Not used
• O/d off
• Pcm data out
• Pcm power diode
• Pcm power relay
• Pnk
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• R n
• Radio noise capacitor (top left side of engine)
• Radio noise capacitor (top right side of engine)
• Rr ho2s sig (12)
• S101
• S106
• S116
• S161
• S162 (fuel charge harn, near breakout to fuel injector 7)
• S2007
• S2008
• Shift sol 1
• Shift sol 2
• Tcil
• Tcs
• Tft
• To dtr sensor (diagram 4 of 4)
• Tp out
• Tr1
• Tr2
• Tr4
• Transmission control switch (a/t)

4.6L, Engine Performance Wiring Diagrams, with 4R70W Transmission (2 of 4) for Ford Expedition 2002

List of elements for 4.6L, Engine Performance Wiring Diagrams, with 4R70W Transmission (2 of 4) for Ford Expedition 2002:

• (engine control sensor harn, near breakout to 38-pin conn in right rear of engine compt)
• (engine control sensor harn, near breakout to 40-pin conn in left rear of engine compt)
• (engine control sensor harn, near breakout to windshield wiper motor)
• (under left side of dash) central junction box
• Battery junction box (left side of engine compt)
• C267
• Crankshaft position (ckp) sensor (lower front of engine)
• Crankshaft position sensor shield
• Differential pressure feedback egr (dpfe) sensor (left side of engine)
• Electronic suspension system
• Fuel pump relay
• Fuel tank pressure sensor (in fuel tank)
• Fuse 15a
• Fuse 20a
• G101 (rear of engine compt)
• Generic electronic module
• Hot at all times
• Intake air temperature (iat) sensor (on intake manifold)
• Intake manifold tunning valve (top front of engine)
• Nca
• Red
• Red/pnk
• S101
• S127
• S135 (fuel charge harn, near breakout to ho2s 21)
• S136 (fuel charge harn, near breakout to knock sensor)
• S137 (engine control sensor harn, near breakout to starter relay)
• S138
• S139
• Throttle position (tp) sensor (on throttle body)
• Vss input

4.6L, Engine Performance Wiring Diagrams, with 4R70W Transmission (3 of 4) for Ford Expedition 2002

List of elements for 4.6L, Engine Performance Wiring Diagrams, with 4R70W Transmission (3 of 4) for Ford Expedition 2002:

• (backup lamp sw to rear lamp feed harn, in breakout to 38-pin conn in right rear engine compt)
• (engine control sensor harn, near breakout to 40-pin conn, left rear corner of engine compt)
• (engine ctrl sensor harn, near breakout to windshield wiper motor)
• (fuel charge harn, near breakout to ignition coil 3)
• (fuel charge harn, near breakout to knock sensor)
• (fuel tank) fuel pump assembly
• (in left side of engine compt) speed control servo
• 4r70w transmission
• Egr vacuum regulator solenoid (left side of engine)
• Electronic pressure control solenoid
• Evap canister purge
• Fuel injectors
• G201 (left front radiator support)
• Idle air control (iac) valve (on left side of intake manifold)
• Inertia fuel shut-off switch (under right side of dash)
• Instrument cluster system
• Nca
• Output shaft speed (oss) sensor (left side of transmission)
• Red
• Red/pnk
• S129
• S131 (fuel charge harn, near breakout to ign coil 7)
• S134
• S140
• S141
• S143
• S198
• S400
• Shift solenoids
• Tan
• Tan/ red
• Tan/red
• Torque converter clutch solenoid
• Transmission fluid temperature sensor
• Valve (left rear corner of engine compt)
• Vss input

4.6L, Engine Performance Wiring Diagrams, with 4R70W Transmission (4 of 4) for Ford Expedition 2002

List of elements for 4.6L, Engine Performance Wiring Diagrams, with 4R70W Transmission (4 of 4) for Ford Expedition 2002:

• (engine cntrl sens harn, near breakout to 40-pin conn, left rear of eng compt)
• (near fuel tank) canister vent solenoid
• (on left side of engine compartment)
• (right side of engine) dual knock sensor (ks)
• (top front of engine) cylinder head temperature (cht) sensor
• 5v ref volt
• Battery junction box
• Bpp sw
• Brake pedal position (bpp) switch
• Cam pos in
• Camshaft position (cmp) sensor (on front of engine)
• Canister vent
• Central junction box (under left side of dash)
• Cyl head temp
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dpfe sens
• Epc sol
• From dtr sensor (diagram 1 of 4)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 7
• Fuel inj 8
• Fuel pump ctrl
• Fuel tank press
• Fuse 5a
• G101 (right rear of engine compt)
• G201 (left kick panel)
• 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)
• Heater ctrl
• Hot at all times
• Iac sol
• Ign coil 2
• Ign coil 4
• Ign coil 7
• Ign coil 8
• Kap b(+)
• Knock sensor
• Lf ho2s
• Lf ho2s sig (21)
• Lr ho2s
• Lr ho2s sig (22)
• Maf sens in
• Mass airflow (maf) sensor (in air cleaner assembly)
• Nca
• Oss (+)
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• Red
• Red/pnk
• Rf ho2s
• Rf ho2s sig (11)
• Rr ho2s
• S101
• S289
• Sig rtn
• Tan
• Tan/red
• Tcc sol
• Tp sens in
• Tr3a
• Vapor valve
• Vpwr
• Vss (+)
• Wot relay

5.4L

5.4L, Engine Performance Wiring Diagrams (1 of 4) for Ford Expedition 2002

List of elements for 5.4L, Engine Performance Wiring Diagrams (1 of 4) for Ford Expedition 2002:

• (engine control sensor harn, near breakout to 40-pin connector, left rear corner of eng compt)
• (fuel charge harn, near breakout to 42-pin conn in right rear of engine compt)
• (fuel charge harn, near breakout to fuel injector 3)
• (left front radiator support) g104
• (main harn, near breakout to central junction box)
• (right rear of engine compt)
• 4x4 low ind sw
• Accel sig
• Accs
• Air conditioning system
• Battery junction box (left side of engine compt)
• Body computer system
• Case gnd
• Ccs
• Central junction box (under left side of dash)
• Ckp(+)
• Ckp(-)
• Data link (+)
• Data link (-)
• Data link connector (partial) (under left side of dash)
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dlc
• Electronic suspension system
• Evr ctrl
• Fuel pump mon
• Fuse 30a
• Fuse 5a
• G101
• Hot at all times
• Hot in run or start
• Iat
• Ign coil 1
• Ign coil 3
• Ign coil 5
• Ign coil 6
• Ignition coils
• Ind
• Instrument cluster system
• Intake manifold
• Ks sensor
• Maf
• Nca
• Not used
• O/d off
• Pcm data out
• Pcm power diode
• Pcm power relay
• Pnk
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• R n
• Radio noise capacitor (top right side of engine)
• Rr ho2s sig (12)
• S100
• S106
• S116
• S161
• S162 (fuel charge harn, near breakout to fuel injector 7)
• S2007
• S2008
• Shift sol 1
• Shift sol 2
• Tcil
• Tcs
• Tft
• To dtr sensor (diagram 4 of 4)
• Tp out
• Tr1
• Tr2
• Tr4
• Transmission control switch (a/t)

5.4L, Engine Performance Wiring Diagrams (2 of 4) for Ford Expedition 2002

List of elements for 5.4L, Engine Performance Wiring Diagrams (2 of 4) for Ford Expedition 2002:

• (engine control sensor harn, near breakout to 38-pin conn in right rear of engine compt)
• (engine control sensor harn, near breakout to 40-pin conn in left rear of engine compt)
• (engine control sensor harn, near breakout to windshield wiper motor)
• (under left side of dash) central junction box
• Battery junction box (left side of engine compt)
• C267
• Crankshaft position (ckp) sensor (lower front of engine)
• Crankshaft position sensor shield
• Differential pressure feedback egr (dpfe) sensor (left side of engine)
• Electronic suspension system
• Fuel pump relay
• Fuel tank pressure sensor (in fuel tank)
• Fuse 15a
• Fuse 20a
• G101 (rear of engine compt)
• Generic electronic module
• Hot at all times
• Intake air temperature (iat) sensor (on intake manifold)
• Intake manifold tuning valve (top front of engine)
• Nca
• Red
• Red/pnk
• S101
• S127
• S135 (fuel charge harn, near breakout to ho2s 21)
• S136 (fuel charge harn, near breakout to knock sensor)
• S137 (engine control sensor harn, near breakout to starter relay)
• S138
• S139
• Throttle position (tp) sensor (on throttle body)
• Vss input

5.4L, Engine Performance Wiring Diagrams (3 of 4) for Ford Expedition 2002

List of elements for 5.4L, Engine Performance Wiring Diagrams (3 of 4) for Ford Expedition 2002:

• (backup lamp sw to rear lamp feed harn, in breakout to 38-pin conn in right rear engine compt)
• (engine control sensor harn, near breakout to 40-pin conn, left rear
• (engine ctrl sensor harn, near breakout to windshield wiper motor)
• (fuel charge harn, near breakout to ignition coil 3)
• (fuel charge harn, near breakout to knock sensor)
• (fuel tank) fuel pump assembly
• (in left side of engine compt) speed control servo
• 4r100 transmission
• Coast clutch solenoid
• Corner of engine compt)
• Egr vacuum regulator solenoid (left side of engine)
• Electronic pressure control solenoid
• Evap canister purge
• Fuel injectors
• G104 (left front radiator support)
• Idle air control (iac) valve (on left side of intake manifold)
• Inertia fuel shut-off switch (under right side of dash)
• Instrument cluster system
• Nca
• Output shaft speed (oss) sensor (left side of transmission)
• Red
• Red/pnk
• S129
• S131 (fuel charge harn, near breakout to ign coil 7)
• S134
• S140
• S141
• S143
• S198
• S400
• Shift solenoid a
• Shift solenoid b
• Tan
• Tan/ red
• Tan/red
• Torque converter clutch solenoid
• Transmission fluid temperature sensor
• Valve (left rear corner of engine compt)
• Vss input

5.4L, Engine Performance Wiring Diagrams (4 of 4) for Ford Expedition 2002

List of elements for 5.4L, Engine Performance Wiring Diagrams (4 of 4) for Ford Expedition 2002:

• (engine cntrl sens harn, near breakout to 40-pin conn, left rear of eng compt)
• (near fuel tank) canister vent solenoid
• (on left side of engine compartment)
• (on left side of transmission) turbine shaft speed (tss) sensor
• (right side of engine) dual knock sensor (ks)
• (top front of engine) cylinder head temperature (cht) sensor
• 5v ref volt
• Battery junction box
• Bpp sw
• Brake pedal position (bpp) switch
• Cam pos in
• Camshaft position (cmp) sensor (on front of engine)
• Canister vent
• Central junction box (under left side of dash)
• Cyl head temp
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dpfe sens
• Epc sol
• From dtr sensor (diagram 1 of 4)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 7
• Fuel inj 8
• Fuel pump ctrl
• Fuel tank press
• Fuse 5a
• G101 (right rear of engine compt)
• G201 (left kick panel)
• 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)
• Heater ctrl
• Hot at all times
• Iac sol
• Ign coil 2
• Ign coil 4
• Ign coil 7
• Ign coil 8
• Kap b(+)
• Knock sensor
• Lf ho2s
• Lf ho2s sig (21)
• Lr ho2s
• Lr ho2s sig (22)
• Maf sens in
• Mass airflow (maf) sensor (in air cleaner assembly)
• Nca
• Oss (+)
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• Red
• Red/pnk
• Rf ho2s
• Rf ho2s sig (11)
• Rr ho2s
• S101
• S289
• Sig rtn
• Tan
• Tan/red
• Tcc sol
• Tp sens in
• Tr3a
• Tss
• Vapor valve
• Vpwr
• Vss (+)
• Wot relay