AIR CONDITIONING – Ford Explorer Limited 2012 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Ford Explorer Limited 2012

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Ford Explorer Limited 2012:

• (center of hvac unit) blower motor speed control
• (front center of hvac unit) blower motor
• (near breakout blower motor) s229
• (near breakout to front control/ display interface module)
• Auxiliary blower circuit
• Battery junction box (left side of engine compt)
• Blower motor relay
• Blwr rly
• C212
• C228a
• C228b
• C248
• Ch122
• Ch123
• Ch207
• Ch208
• Ch212
• Ch213
• Ch228
• Ch229
• Ch238
• Ch239
• Cha35
• Cha36
• Cha37
• Chs02
• Chs07
• Computer data lines system
• Defogger system
• Defrost req
• Defrost/panel/ floor mode door actuator (right side of hvac unit)
• Driv temp dr ccw
• Driv temp dr cw
• Drv heater feed
• Drv seat
• Evap
• Feedback
• Feedback rear ctrl blower output
• Fuse 30a
• Fuse 40a
• Fuse 5a
• G200 (under left front of center console)
• Gd215
• Gnd
• Hot at all times
• Hot in start or run
• Hvac module
• Left temperature blend door actuator (right side of hvac unit)
• Lh111
• Mode dr 1 ccw
• Mode dr 1 cw
• Mode dr fdbk
• Mot+
• Mot-
• Ms can +
• Ms can -
• Pass heater feed
• Pass seat
• Pass st ntc sense
• Pass temp door ccw
• Pass temp door cw
• Pwm
• Rear sig feed 1
• Rear sig feed 2
• Rear sig feed 3
• Rear temp input
• Recirc ccw
• Recirc cw
• Return
• Rh111
• Right temperature blend door actuator (front center of hvac unit)
• S123
• S213
• S215
• S216 (near breakout to front control/ display interface module)
• Sbb28
• Sbp46
• Seats system
• Temp dr fdbk
• Var blwr ctrl
• Vbatt
• Vdb06
• Vdb07
• Vh101
• Vh406
• Vh436
• Vh438
• Vh440
• Vh441
• Vha09
• Vha18
• Vha25
• Vha39
• Vhs27
• Vref

Automatic A/C Wiring Diagram (2 of 3) for Ford Explorer Limited 2012

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Ford Explorer Limited 2012:

• (top center of dash) autolamp/sunload sensor
• (top left of hvac unit) fresh/recirculation door actuator
• Aux mode door ccw
• Aux mode door cw
• Aux temp door ccw
• Aux temp door cw
• Auxiliary blower circuit
• Body control module (left end of dash)
• C2280a
• C228b
• C228c
• C291
• Ch112
• Ch242
• Ch243
• Ch244
• Ch245
• Cha05
• Dr sunload
• Drv st ntc sense
• Evaporator discharge air temperature sensor (right side of hvac unit)
• Fuse 10a
• G200 (under left front of center console)
• Gd215
• Green
• Hot at all times
• Humidity sense
• Humidity sensor
• Hvac module
• In vehicle sig temp sens
• In-vehicle temperature/ humidity sensor (left side of dash)
• Interior lights system
• Led gnd
• Led return
• Mode output
• Pass sunload
• Pwm com
• Rear blower rly
• Red
• Rln44
• S200
• Seats system
• Vh413
• Vh414
• Vh416
• Vh417
• Vha38
• Vhs26
• Vln51
• Vln52
• Vln53
• W/ adaptive cruise

Automatic A/C Wiring Diagram (3 of 3) for Ford Explorer Limited 2012

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Ford Explorer Limited 2012:

• (dash panel to headlight junction wiring harness, near breakout to battery junction box)
• (engine control sensor & fuel charge wiring assembly, near breakout to coil on plug 2) (2.0l) s176
• (engine control sensor & fuel charge wiring assembly, near breakout to fuel injector 3) (3.5l) s156
• (or re454)
• (or ve407)
• 2.0l
• 3.5l
• A/c clutch relay
• A/c compressor clutch field coil (lower left front of engine)
• A/c pressure transducer (right front of engine compt)
• Aat
• Accr
• Acpt
• Ambient air temperature sensor (behind left side of grille)
• Autolamp sens in
• Battery junction box (bjb) (left side of engine compt)
• Body control module (left end of dash)
• C1381b
• C1381e
• C139
• C140
• C1617b
• C175b
• C175e
• C192
• C2280b
• Ch302
• Cht
• Computer data lines system
• Cylinder head temperature sensor (2.0l: top rear of engine) (3.5l: right front of engine)
• Ect
• Electronics
• Engine coolant temperature (ect) sensor (rear of engine)
• Engine cooling fan motor (behind radiator)
• Evdc
• Externally controlled variable displacement compressor (evdc) (front right of engine compt)
• Fan ctrl variable
• Fuse 10a
• Fuse 70a 10a
• Fuse f 60a
• G102 (right front corner of engine compt)
• G103 (left front corner of engine compt)
• Gnd
• High current battery junction box (left rear of engine compt)
• Hot at all times
• Hot w/ pcm power relay energized
• Hs can + fan ctrl variable
• Hs can -
• Le424
• Micro
• Ms can+
• Ms can-
• Nca
• Powertrain control module (center rear of engine compt)
• Pwr
• Re405
• Re407
• S104
• S113
• S121
• S143 (dash panel to headlight junction wiring harness, near breakout to anti-theft brake system module)
• Sigrtn
• Vdb04
• Vdb05
• Vdb06
• Vdb07
• Ve462
• Ve712
• Ve716
• Ve740
• Vec03
• Vh433
• Vlf14
• Vref

Auxiliary Blower Wiring Diagram for Ford Explorer Limited 2012

List of elements for Auxiliary Blower Wiring Diagram for Ford Explorer Limited 2012:

• (+)
• (-)
• (left rear quarter panel) g301
• (near breakout to auxiliary blower motor) s385
• (near breakout to front control/display interface module) s216
• (near breakout to g300) (w/ heated seats) s313
• (not used)
• Aux mode door ccw
• Aux mode door cw
• Aux mode door fdbk
• Aux temp door ccw
• Aux temp door cw
• Aux temp door fdbk
• Auxiliary blend door actuator (right side of auxiliary a/c assembly)
• Auxiliary blower motor (right side of auxiliary a/c assembly)
• Auxiliary blower motor control (top of auxiliary a/c assembly)
• Auxiliary blower motor relay
• Auxiliary climate control assembly
• Auxiliary mode door actuator (bottom of auxiliary a/c assembly)
• Battery junction box (left side of of engine compt)
• Body control module (left end of dash)
• C211
• C212
• C213
• C2280a
• C228a
• C228b
• C237
• C3007
• Ch112
• Ch242
• Ch243
• Ch244
• Ch245
• Cha02
• Cha05
• Cha35
• Cha36
• Cha37
• Fuse 10a
• Fuse 40a
• Fuse 5a
• G200 (under left front of center console)
• G201 (under right front of center console)
• Gd149
• Gd214
• Gd215
• Gnd
• Ground
• Hot at all times
• Hot in start or run
• Hvac module
• Illum
• Interior lights system
• Lh111
• Manual a/c & automatic a/c circuit
• Mode output
• Pwm
• Pwm com
• Rear blower rly
• Rear ctrl
• Rear ctrl temp input rear ctrl blower output
• Rear in-vehicle temperature sensor (if equipped) (bottom of auxiliary a/c assembly)
• Rear sig feed 1
• Rear sig feed 2
• Rear sig feed 3
• Rear temp input
• Return
• Rh111
• S125
• S215 (near breakout to front control/ display interface module)
• S386 (near breakout to auxiliary blower motor control)
• S392
• Sbp46
• Seats system
• Sig feed 1
• Sig feed 2
• Sig feed 3
• Vbatt
• Vha09
• Vha18
• Vha19
• Vha25
• Vha38
• Vha39
• Vln04
• Vref

Manual A/C Wiring Diagram (1 of 3) for Ford Explorer Limited 2012

List of elements for Manual A/C Wiring Diagram (1 of 3) for Ford Explorer Limited 2012:

• (center of hvac unit) blower motor speed control
• (front center of hvac unit) blower motor
• (near breakout blower motor) s229
• (near breakout to front control/ display interface module)
• Auxiliary blower circuit
• Battery junction box (left side of engine compt)
• Blower motor relay
• Blwr rly
• C212
• C228a
• C228b
• Ch122
• Ch123
• Ch207
• Ch208
• Ch228
• Ch229
• Ch238
• Ch239
• Cha35
• Cha36
• Cha37
• Chs02
• Chs07
• Computer data lines system
• Defogger system
• Defrost req
• Defrost/panel/ floor mode door actuator (right side of hvac unit)
• Driv temp dr ccw
• Driv temp dr cw
• Drv heater feed
• Drv seat element
• Evap
• Feedback
• Fuse 30a
• Fuse 40a
• Fuse 5a
• G200 (under left front of center console)
• Gd215
• Gnd
• Hot at all times
• Hot in start or run
• Hvac module
• Left temperature blend door actuator (right side of hvac unit)
• Lh111
• Mode dr 1 ccw
• Mode dr 1 cw
• Mode dr fdbk
• Mot+
• Mot-
• Ms can +
• Ms can -
• Pass heater feed
• Pass seat element
• Pass st ntc sens
• Pwm
• Rear ctrl blower output
• Rear sig feed 1
• Rear sig feed 2
• Rear sig feed 3
• Rear temp input
• Recirc ccw
• Recirc cw
• Return
• Rh111
• S123
• S213
• S215
• S216 (near breakout to front control/ display interface module)
• Sbb28
• Sbp46
• Seats system
• Temp dr fdbk
• Var blwr ctrl
• Vbatt
• Vdb06
• Vdb07
• Vh101
• Vh406
• Vh436
• Vh438
• Vh440
• Vha09
• Vha18
• Vha25
• Vha39
• Vhs27
• Vref

Manual A/C Wiring Diagram (2 of 3) for Ford Explorer Limited 2012

List of elements for Manual A/C Wiring Diagram (2 of 3) for Ford Explorer Limited 2012:

• (top left of hvac unit) fresh/recirculation door actuator
• 3.5l
• Aux mode door ccw
• Aux mode door cw
• Aux temp door ccw
• Aux temp door cw
• Auxiliary blower circuit
• Body control module (left end of dash)
• C192
• C2280a
• C2280b
• C228b
• Ch112
• Ch242
• Ch243
• Ch244
• Ch245
• Cha05
• Cylinder head temperature sensor (2.0l:top rear of engine) (3.5l:right front of engine)
• Drv temp sens
• Evaporator discharge air temperature sensor (right side of hvac unit)
• Fuse 10a
• Fuse 5a
• G200 (under left front of center console)
• Hot at all times
• Hot in start or run
• Humidity sens
• Humidity sensor
• Hvac module
• In vehicle temp sns
• In-vehicle temperature/ humidity sensor (left side of dash)
• Mode output
• Pwm com
• Rear blower rly
• S217
• Seats system
• Vh413
• Vh414
• Vha38
• Vhs26

Manual A/C Wiring Diagram (3 of 3) for Ford Explorer Limited 2012

List of elements for Manual A/C Wiring Diagram (3 of 3) for Ford Explorer Limited 2012:

• (dash panel to headlight junction wiring harness, near breakout to battery junction box)
• (engine control sensor & fuel charge wiring assembly, near breakout to coil on plug 2) (2.0l) s176
• (engine control sensor & fuel charge wiring assembly, near breakout to fuel injector 3) (3.5l) s156
• (or re454)
• (or ve407)
• 2.0l
• 3.5l
• A/c clutch relay
• A/c compressor clutch field coil (lower left front of engine)
• A/c pressure transducer (right front of engine compt)
• Aat
• Accr
• Acpt
• Ambient air temperature sensor (behind left side of grille)
• Battery junction box (bjb) (left side of engine compt)
• C1381b
• C1381e
• C139
• C140
• C1617b
• C175b
• C175e
• Ch302
• Cht
• Computer data lines system
• Ect
• Electronics
• Engine coolant temperature (ect) sensor (2.0l) (rear of engine)
• Engine cooling fan motor (behind radiator)
• Evdc
• Externally controlled variable displacement compressor (evdc) (front right of engine compt)
• Fan ctrl variable
• Fuse 10a
• Fuse 70a 10a
• Fuse f 60a
• G102 (right front corner of engine compt)
• G103 (left front corner of engine compt)
• Gnd
• High current battery junction box (left rear of engine compt)
• Hot at all times
• Hot w/ pcm power relay energized
• Hs can + fan ctrl variable
• Hs can -
• Le424
• Nca
• Powertrain control module (center rear of engine compt)
• Pwr
• Re405
• Re407
• S104
• S113
• S121
• S143 (dash panel to headlight junction wiring harness, near breakout to anti-theft brake system module)
• Sigrtn
• Vdb04
• Vdb05
• Ve462
• Ve712
• Ve716
• Ve740
• Vec03
• Vh433
• Vref