TRANSMISSION – Ford Expedition 2002 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

4.6L

4.6L, A/T Wiring Diagram, 4R100 for Ford Expedition 2002

List of elements for 4.6L, A/T Wiring Diagram, 4R100 for Ford Expedition 2002:

• (5.4l)
• (dash harn, near breakout to cluster)
• (eng ctrl harn, near breakout to wiper motor)
• (engine ctrl harn, near breakout to starter relay)
• (engine ctrl harn, right rear of eng compt)
• (fuel charge harn, near breakout to ho2s 21)
• (fuel charge harn, near breakout to knock sensor)
• (in reversing lamp harn)
• (rear of engine compt) g101
• (right side of engine compt) powertrain control module
• (under center of dash) data link connector
• 4r100 transmission
• 4wd circuit
• 4x4 low
• A/c system, instrument cluster
• Autolamp, central security & belt minder modules
• Battery junction box (left side of engine compt)
• Bpp
• Brake pedal position switch (under left side of dash)
• Breakout to cluster)
• C174
• C243
• Ccs
• Central junction box (under left side of dash)
• Cht
• Coast clutch control
• Cylinder head temperature (cht) sensor (top front of engine)
• Data
• Digital transmission range sensor (left side of transmission)
• Dlc (+)
• Dlc (-)
• Electronic pressure control solenoid
• Engine controls system
• Epc
• Fuse 15a
• Fuse 30a
• Fuse 5a
• G104 (left front radiator support)
• G201 (lower left kick panel)
• Gem module, shift lock actuator, central security module
• Ground
• Hot at all times
• Hot in run or start
• Iat
• Ignition coils, radio noise capacitor
• Instrument cluster, pats transceiver module
• Intake air temperature sensor (on intake manifold)
• Nca
• Oss
• Output shaft speed sensor (left side of transmission)
• Pcm power diode
• Pcm power relay
• R p
• Red
• S101
• S106
• S116
• S127
• S130 (engine ctrl harn, left rear of eng compt)
• S134 (left rear corner of eng compt)
• S135
• S136
• S137
• S138
• S140
• S141
• S160 (engine ctrl harn, left rear of eng compt)
• S2002
• S2007
• S2008
• S208
• S225
• Shift solenoid a
• Shift solenoid b
• Sig rtn
• Speed control servo, 4wabs module
• Ss a
• Ss b
• Tcc
• Tcil
• Tcs
• Tft
• Throttle position (tp) sensor (on throttle body)
• Torque converter clutch solenoid
• Tr1
• Tr2
• Tr3
• Tr4
• Transmission control switch (tcs) (end of transmission selector lever)
• Transmission fluid temperature sensor
• Tss
• Turbine shaft speed sensor (5.4l) (left side of transmission)
• Vpwr
• Vref

4.6L, A/T Wiring Diagram, 4R70W for Ford Expedition 2002

List of elements for 4.6L, A/T Wiring Diagram, 4R70W for Ford Expedition 2002:

• (dash harn, near breakout to cluster)
• (eng ctrl harn, near breakout to wiper motor)
• (engine ctrl harn, near breakout to starter relay)
• (engine ctrl harn, right rear of engine compt)
• (fuel charge harn, near breakout to ho2s 21)
• (fuel charge harn, near breakout to knock sensor)
• (in reversing lamp harn)
• (under center of dash) data link connector
• 4r70w transmission (mounted under center of vehicle)
• 4wd circuit
• 4x4 low
• A/c system, instrument cluster
• Autolamp, central security & belt minder modules
• Battery junction box (left side of engine compt)
• Bpp
• Brake pedal position switch (under left side of dash)
• Breakout to cluster)
• C174
• C243
• Central junction box (under left side of dash)
• Cht
• Cylinder head temperature (cht) sensor (top front of engine)
• Data
• Digital transmission range sensor (left side of transmission)
• Dlc (+)
• Dlc (-)
• Electronic pressure control solenoid
• Engine controls system
• Epc
• Fuse 15a
• Fuse 30a
• Fuse 5a
• G101 (rear of engine compt)
• G104 (left front radiator support)
• G201 (lower left kick panel)
• Gem module, shift lock actuator, central security module
• Ground
• Hot at all times
• Hot in run or start
• Iat
• Ignition coils, radio noise capacitor
• Instrument cluster, pats transceiver module
• Intake air temperature sensor (on intake manifold)
• Nca
• Oss
• Output shaft speed sensor (left side of transmission)
• Pcm power diode
• Pcm power relay
• Powertrain control module (pcm) (right side of engine compt)
• R p
• Red
• S101
• S106
• S116
• S127
• S130 (engine ctrl harn, left rear of eng compt)
• S134 (left rear corner of eng compt)
• S135
• S136
• S137
• S138
• S140
• S141
• S160 (engine ctrl harn, left rear of eng compt)
• S2002
• S2007
• S2008
• S208
• S225
• Shift solenoids (ss)
• Sig rtn
• Speed control servo, 4wabs module
• Ss a
• Ss b
• Tcc
• Tcil
• Tcs
• Tft
• Throttle position (tp) sensor (on throttle body)
• Torque converter clutch (tcc) solenoid
• Tr1
• Tr2
• Tr3
• Tr4
• Transmission control switch (tcs) (end of transmission selector lever)
• Transmission fluid temperature sensor
• Vpwr
• Vref

4WD Wiring Diagram for Ford Expedition 2002

List of elements for 4WD Wiring Diagram for Ford Expedition 2002:

• (4h) ohms
• (4l) ohms
• (4wd) 1.5k ohms
• (behind center of dash)
• (eng cntrl sens harn, near windshield wiper motor)
• (lower right kick panel) g200
• (main harn, near breakout to transfer case rel) s278
• (main harn, near breakout to transfer case)
• (right side of engine compt)
• (seatbelt harn, near power seat motor assembly)
• (seatbelt harn, near torque on demand)
• (under left side of dash) central junction box
• 4 wheel drive mode switch
• 4wd low out
• 4wd output
• 4x4 "high range" indicator
• 4x4 "low range" indicator
• 4x4 high ind
• 4x4 mode sw
• A4wd out
• Abs input
• Air suspension/ evo steering module
• Anti-lock brake system
• Apron) g102
• Battery junction box (left side of engine compt)
• Bpp sw input
• Brake pedal position switch (under left side of dash)
• Breakout to cluster)
• C174
• C238
• C239
• C240
• C241
• C242
• C243
• C296
• Central junction box (under left side of dash)
• Digital transmission range (dtr) sensor (left side of transmission)
• Frnt spd sens
• Front speed sensor
• Fuse 10a
• Fuse 30a
• Fuse 5a
• G200 (lower right kick panel)
• G201 (lower left kick panel)
• Gem module, shift lock actuator, central security module, exterior lights system
• Generic electronic module (gem) (behind left side of dash)
• H2l
• H2l rly ctrl
• Hall effect
• Hot at all times
• Hot in run
• Illumination
• Interior lights (instrument illumination)
• L2h
• L2h rly ctrl
• Magnetic clutch
• Neutral sw in
• Overhead trip computer module
• Powertrain control module
• Rear spd sens
• Rear speed sensor
• S102
• S143
• S201
• S202
• S208
• S213
• S228
• S233 (main harn, near breakout to gem)
• S265
• S287
• S301
• S302
• Shift lock actuator, steering wheel rotation sensor, compass sensor, overhead trip computer module, air suspension evo steering module, parking brake release switch, parking aid module
• Shift motor
• Sig return
• Speed control servo
• Sw a input
• Sw b input
• Sw c input
• Sw d input
• Tod relay
• Torque on demand (tod) relay (behind center of dash)
• Trailer tow battery charge relay, flasher relay, aux a/c control module, aux a/c mode actuator, aux a/c blend actuator, electronic day/night mirror, driver heated seat switch & module, passenger heated seat switch & module, overhead console
• Transfer case assembly
• Transfer case shift relays (behind center of dash)
• Ts out
• Vss (+)
• Wiper/washer (multi-function switch)

5.4L

4WD Wiring Diagram for Ford Expedition 2002

List of elements for 4WD Wiring Diagram for Ford Expedition 2002:

• (4h) ohms
• (4l) ohms
• (4wd) 1.5k ohms
• (behind center of dash)
• (eng cntrl sens harn, near windshield wiper motor)
• (lower right kick panel) g200
• (main harn, near breakout to transfer case rel) s278
• (main harn, near breakout to transfer case)
• (right side of engine compt)
• (seatbelt harn, near power seat motor assembly)
• (seatbelt harn, near torque on demand)
• (under left side of dash) central junction box
• 4 wheel drive mode switch
• 4wd low out
• 4wd output
• 4x4 "high range" indicator
• 4x4 "low range" indicator
• 4x4 high ind
• 4x4 mode sw
• A4wd out
• Abs input
• Air suspension/ evo steering module
• Anti-lock brake system
• Apron) g102
• Battery junction box (left side of engine compt)
• Bpp sw input
• Brake pedal position switch (under left side of dash)
• Breakout to cluster)
• C174
• C238
• C239
• C240
• C241
• C242
• C243
• C296
• Central junction box (under left side of dash)
• Digital transmission range (dtr) sensor (left side of transmission)
• Frnt spd sens
• Front speed sensor
• Fuse 10a
• Fuse 30a
• Fuse 5a
• G200 (lower right kick panel)
• G201 (lower left kick panel)
• Gem module, shift lock actuator, central security module, exterior lights system
• Generic electronic module (gem) (behind left side of dash)
• H2l
• H2l rly ctrl
• Hall effect
• Hot at all times
• Hot in run
• Illumination
• Interior lights (instrument illumination)
• L2h
• L2h rly ctrl
• Magnetic clutch
• Neutral sw in
• Overhead trip computer module
• Powertrain control module
• Rear spd sens
• Rear speed sensor
• S102
• S143
• S201
• S202
• S208
• S213
• S228
• S233 (main harn, near breakout to gem)
• S265
• S287
• S301
• S302
• Shift lock actuator, steering wheel rotation sensor, compass sensor, overhead trip computer module, air suspension evo steering module, parking brake release switch, parking aid module
• Shift motor
• Sig return
• Speed control servo
• Sw a input
• Sw b input
• Sw c input
• Sw d input
• Tod relay
• Torque on demand (tod) relay (behind center of dash)
• Trailer tow battery charge relay, flasher relay, aux a/c control module, aux a/c mode actuator, aux a/c blend actuator, electronic day/night mirror, driver heated seat switch & module, passenger heated seat switch & module, overhead console
• Transfer case assembly
• Transfer case shift relays (behind center of dash)
• Ts out
• Vss (+)
• Wiper/washer (multi-function switch)

5.4L, A/T Wiring Diagram, 4R100 for Ford Expedition 2002

List of elements for 5.4L, A/T Wiring Diagram, 4R100 for Ford Expedition 2002:

• (5.4l)
• (dash harn, near breakout to cluster)
• (eng ctrl harn, near breakout to wiper motor)
• (engine ctrl harn, near breakout to starter relay)
• (engine ctrl harn, right rear of eng compt)
• (fuel charge harn, near breakout to ho2s 21)
• (fuel charge harn, near breakout to knock sensor)
• (in reversing lamp harn)
• (rear of engine compt) g101
• (right side of engine compt) powertrain control module
• (under center of dash) data link connector
• 4r100 transmission
• 4wd circuit
• 4x4 low
• A/c system, instrument cluster
• Autolamp, central security & belt minder modules
• Battery junction box (left side of engine compt)
• Bpp
• Brake pedal position switch (under left side of dash)
• Breakout to cluster)
• C174
• C243
• Ccs
• Central junction box (under left side of dash)
• Cht
• Coast clutch control
• Cylinder head temperature (cht) sensor (top front of engine)
• Data
• Digital transmission range sensor (left side of transmission)
• Dlc (+)
• Dlc (-)
• Electronic pressure control solenoid
• Engine controls system
• Epc
• Fuse 15a
• Fuse 30a
• Fuse 5a
• G104 (left front radiator support)
• G201 (lower left kick panel)
• Gem module, shift lock actuator, central security module
• Ground
• Hot at all times
• Hot in run or start
• Iat
• Ignition coils, radio noise capacitor
• Instrument cluster, pats transceiver module
• Intake air temperature sensor (on intake manifold)
• Nca
• Oss
• Output shaft speed sensor (left side of transmission)
• Pcm power diode
• Pcm power relay
• R p
• Red
• S101
• S106
• S116
• S127
• S130 (engine ctrl harn, left rear of eng compt)
• S134 (left rear corner of eng compt)
• S135
• S136
• S137
• S138
• S140
• S141
• S160 (engine ctrl harn, left rear of eng compt)
• S2002
• S2007
• S2008
• S208
• S225
• Shift solenoid a
• Shift solenoid b
• Sig rtn
• Speed control servo, 4wabs module
• Ss a
• Ss b
• Tcc
• Tcil
• Tcs
• Tft
• Throttle position (tp) sensor (on throttle body)
• Torque converter clutch solenoid
• Tr1
• Tr2
• Tr3
• Tr4
• Transmission control switch (tcs) (end of transmission selector lever)
• Transmission fluid temperature sensor
• Tss
• Turbine shaft speed sensor (5.4l) (left side of transmission)
• Vpwr
• Vref