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Air Conditioning — Ford Explorer Limited 2012 Wiring Diagram

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

AIR CONDITIONING – Ford Explorer Limited 2012 – SYSTEM WIRING DIAGRAMS