ENGINE PERFORMANCE – Ford Focus SE 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L

2.0L, Engine Performance Wiring Diagram (1 of 6) for Ford Focus SE 2012

List of elements for 2.0L, Engine Performance Wiring Diagram (1 of 6) for Ford Focus SE 2012:

• (exhaust system) heated oxygen sensor (ho2s) 12
• (not used) c134
• (or ce903)
• 10a
• Aat
• Acceleration pedal position (app) sensor (center of dash)
• Accr
• Acpt
• Air conditioning system
• App
• App2
• Apprtn
• Apprtn2
• Appvref
• Appvref2
• Battery junction box (bjb) (left side of engine compt)
• Bpp
• Bps
• C-sigrtn
• C-vref
• C1035c
• C134
• C175b
• Canv
• Cbb08
• Cbb42
• Cca29
• Ccb08
• Cdc12
• Cdc26
• Ce112
• Ce233
• Ce302
• Ce436
• Cet47
• Ch109
• Clth pdl sw
• Computer data lines system
• Cooling fans system
• Cpp (or p/n sw)
• Crank detect
• Cruise control system
• Ens
• Exterior lights system
• Fcv
• Fpc
• Fpm
• From pcm
• Fuse
• Fuse 15a
• G104 (left side of engine compt)
• Gd120
• Ho2s12
• Hot w/ ignition relay energized
• Hs can+
• Hs can-
• Htr12
• Isp-r
• Le136
• Le137
• Le456
• Lh108
• Nca
• Pcm wake
• Pcmrc
• Power relay (diagram 2 of 6)
• Powertrain control module (pcm) (rear of engine)
• Pwr gnd
• Re136
• Re137
• Re242
• Re456
• Reversed gear sw
• Rh107
• Rh108
• S113
• Shift interlock system
• Sigrtn
• Smc
• Smcs
• Starting/ charging system
• Starting/charging system
• Vdb04
• Vdb05
• Ve203
• Ve208
• Ve518
• Ve701
• Ve702
• Ve731
• Ve757
• Vh407
• Vh442
• Vpwr

2.0L, Engine Performance Wiring Diagram (2 of 6) for Ford Focus SE 2012

List of elements for 2.0L, Engine Performance Wiring Diagram (2 of 6) for Ford Focus SE 2012:

• (rear of engine compt) a/c pressure transducer
• A10
• Battery junction box (bjb) (left side of engine compt)
• Brake pedal position (bpp) switch (brake pedal support bracket)
• C1035b
• C1035c
• C134
• C238
• C340
• Diode (battery junction box)
• Evap canister vent control solenoid (near fuel tank)
• Fuse
• Fuse 10a
• Fuse 30a
• G107 (right front of engine compt)
• Hot at all times
• Ignition relay
• Pcm power relay
• Red
• S104
• S105
• S114
• S115
• To fuse 32 diagram (1 of 6)
• To fuse 34 diagram (4 of 6)
• Variable camshaft timing (vct) solenoid 11
• Variable camshaft timing (vct) solenoid 12

2.0L, Engine Performance Wiring Diagram (3 of 6) for Ford Focus SE 2012

List of elements for 2.0L, Engine Performance Wiring Diagram (3 of 6) for Ford Focus SE 2012:

• (body wiring harness, near breakout to fuel pump control module) s314
• (junction box wiring harness, near breakout to body control module)
• (right front passenger's door) ambient air temperature (aat) sensor
• Body control module (bcm)
• C175e
• C2280a
• C2280b
• C2280e
• Ce113
• Ce205
• Ce207
• Ce303
• Ce304
• Ce305
• Ce306
• Ce412
• Ce501
• Ce508
• Cmp11
• Cmp12
• Cop1a
• Cop2d
• Cop3b
• Cop4c
• Evapcp
• Evaporative emission (evap) canister purge valve (rear of engine)
• Event signal
• Fuel pump level gnd
• Fuel pump level sensor
• Fuel pump relay
• Fuse 20a
• Hot at all times
• Inj1
• Inj3
• Ks1+
• Ks2+
• Le452
• Micro
• Nca
• Powertrain control module (pcm) (rear of engine)
• Re143
• Re144
• Right exterior rear view mirror
• S125
• S251
• Stop light switch
• Tacm+
• Tp2
• Uo2s11
• Uo2shrt11
• Uo2spct11
• Vct11
• Vct12
• Ve801
• Ve802
• Ve819
• Ve826
• Ve827

2.0L, Engine Performance Wiring Diagram (4 of 6) for Ford Focus SE 2012

List of elements for 2.0L, Engine Performance Wiring Diagram (4 of 6) for Ford Focus SE 2012:

• (top of engine)
• Battery junction box (bjb) (left side of engine compt)
• C1035c
• C1750a
• C238
• Cbb42
• Coil on plug (cop) 1
• Coil on plug (cop) 2
• Coil on plug (cop) 3
• Coil on plug (cop) 4
• Diagram (2 of 6)
• Fpc
• Fpm
• Fppwr
• Fprtn
• From pcm power relay b
• Fuel pump control capacitor (early production)
• Fuel pump control module (near fuel tank assembly)
• Fuse 10a
• Fuse 5a
• G103 (left side of engine)
• G304 (below rear passenger scuff plate)
• Gd152
• Gnd
• Hot at all times
• Re225
• S100
• S117
• S333
• Transmission control module (tcm) (a/t)
• Ve208
• Ve225
• Ve518
• Vpwr

2.0L, Engine Performance Wiring Diagram (5 of 6) for Ford Focus SE 2012

List of elements for 2.0L, Engine Performance Wiring Diagram (5 of 6) for Ford Focus SE 2012:

• (fuel tank assembly) fuel tank pressure (ftp) transducer sensor
• (left side of engine)
• (lower right front of engine) crankshaft position (ckp) sensor
• (right rear of engine) engine coolant temperature (ect) sensor
• (top rear of engine) camshaft position (cmp) sensor 12
• C110
• C134
• C238
• Electronic throttle control (etc) module (left rear of engine)
• Fuel injector
• Fuel pump assembly
• Nca

2.0L, Engine Performance Wiring Diagram (6 of 6) for Ford Focus SE 2012

List of elements for 2.0L, Engine Performance Wiring Diagram (6 of 6) for Ford Focus SE 2012:

• (right rear of engine) fuel pressure sensor
• (top rear of engine) camshaft position (cmp) sensor 11
• C-sigrtn
• C-vref
• C110
• C175e
• Cbb12
• Ce206
• Ce208
• Ce231
• Ce426
• Ce908
• Ckp
• Digital
• E-sigrtn
• E-vref
• Ect
• Ect-gnd
• Etcref
• Etcrtn
• Flp
• Frp
• Ftp
• Ftpref
• Fuel injection pump
• Fuel rail pressure (frp) sensor
• Fvr
• Fvrrtn
• Inj1rtn
• Inj2
• Inj2rtn
• Inj3rtn
• Inj4
• Inj4rtn
• Knock sensor 1 (ks1) (left front of engine)
• Knock sensor 2 (ks2) (left front of engine)
• Ks1-
• Ks2-
• Le135
• Le143
• Le144
• Le230
• Le238
• Le428
• Le448
• Le451
• Lin
• Maf
• Mass air flow/ intake air temperature (maf/iat) sensor (intake system)
• Nca
• Oil pressure switch (lower left of rear engine)
• Ops
• Powertrain control module (pcm) (rear of engine)
• Re135
• Re141
• Re206
• Re207
• Re208
• Re230
• Re238
• Re305
• Re323
• Re324
• Re329
• Re427
• Sigrtn
• Starting/charging system
• Tacm-
• Tp1
• Tr p
• Universal heated oxygen sensor (ho2s) 11
• Uo2sgref11
• Uo2spc11
• Vdc46
• Ve706
• Ve707
• Ve711
• Ve716
• Ve727
• Ve803
• Ve804
• Ve818
• Ve922
• Vref 5v

ELECTRIC

Electric, Engine Performance Wiring Diagram (1 of 7) for Ford Focus SE 2012

List of elements for Electric, Engine Performance Wiring Diagram (1 of 7) for Ford Focus SE 2012:

• (brake pedal support bracket) brake pedal position switch
• (left side of motor compt) battery junction box (bjb)
• (near breakout to body control module)
• 12v wake up
• A/c high pressure sensor (right front of electric motor assembly)
• Ac sol lsd
• Accelerator pedal position sensor (top of accelerator pedal assembly)
• Achp
• Anti-lock brakes system
• App
• App2
• Apprtn
• Apprtn2
• Appvref
• Appvref2
• Battery junction box (bjb) (left side of motor compt)
• Body control module (lower right side of dash)
• Bpp
• Bps
• C1035c
• C175a
• C2280a
• C2280c
• Cbb24
• Cbp04
• Cca29
• Ccb08
• Ccb29
• Ccb30
• Ccs05
• Cdc35
• Ce238
• Ce302
• Ce436
• Cet25
• Cet70
• Chiller sol
• Computer data lines system
• Cont disable
• Cont sens
• Cp3 pwm out
• Crank detect
• Cv2 div fdbk
• Cv3 div fdbk
• Cyb01
• Cyb02
• Fuse 5a
• G105 (left side of motor compt)
• G107 (right side of motor compt)
• Gnd
• He3rc
• Hot at all times
• Hot w/ ign relay energized
• Hs can+
• Hs can-
• Le126
• Le137
• Let56
• Let57
• Lh108
• Micro
• Pcm wake up sply
• Pcmrc
• Power distribution system
• Powertrain control module (pcm) (front of left front wheelwell)
• Ptc hsd en
• Re136
• Re137
• Ret56
• Rh108
• S102
• S104
• S251
• Sig
• Sigrtn
• Stop light sw
• Vac pump
• Vacrc
• Vasp
• Vdb04
• Vdb05
• Vdc46
• Ve701
• Ve702
• Vehicle audible signal for pedestrian (left front of motor compt)
• Vet56
• Vh422
• Vpwr
• Vref
• Vyb30
• Vyb32
• Wake up
• Wake up pcm

Electric, Engine Performance Wiring Diagram (2 of 7) for Ford Focus SE 2012

List of elements for Electric, Engine Performance Wiring Diagram (2 of 7) for Ford Focus SE 2012:

• (left side of motor compt)
• 10a
• 15a
• 20a
• 5v 1
• 5v 2
• Battery junction box (bjb)
• C1035c
• C238
• Cabin air conditioning isolator solenoid valve (right side of motor compt)
• Computer data lines system
• Contactor relay
• Engine cooling fan relay
• Fuse
• Fuse 10a
• Fuse 15a
• Fuse 40a
• Fuse 5a
• Gear neutral sensor
• Gnd 1
• Gnd 2
• Hot at all times
• Hot w/ ign relay energized
• Instrument panel cluster (ipc)
• Ms can+
• Ms can-
• Pcm power relay
• Power distribution system
• Red
• S115
• S131
• S151
• Sig 1
• Sig 2

Electric, Engine Performance Wiring Diagram (3 of 7) for Ford Focus SE 2012

List of elements for Electric, Engine Performance Wiring Diagram (3 of 7) for Ford Focus SE 2012:

• (left side of motor compt) battery junction box (bjb)
• 40a
• Bccm hsd en
• C1035c
• C1617c
• C1617f
• C1617l
• C175a
• C175b
• Cp3 diag
• Cyd03
• Dc/dc hsd
• Fuse
• G104 (left front of motor compt)
• Gd120
• Gnd
• Heater element 1 & 2 relay
• Heater element 3 relay
• High current battery junction box (bjb) (left side of motor compt)
• Hot at all times
• Liquid coolant ptc element (under rear of center tunnel)
• Mega fuse 10 40a
• Mega fuse 2 150a
• Mega fuse 5 70a
• Powertrain control module (pcm) (front of left front wheelwell)
• Red
• Ret57
• S137 (near breakout to brake booster solenoid)
• Sbb30
• Sig
• Sigrtn
• Vbatt
• Vet57
• Vyb30
• Za116

Electric, Engine Performance Wiring Diagram (4 of 7) for Ford Focus SE 2012

List of elements for Electric, Engine Performance Wiring Diagram (4 of 7) for Ford Focus SE 2012:

• (left side of electric motor assembly) dc/dc converter control module
• (right side of motor compt) g107
• 15a
• Battery junction box (bjb) (left side of motor compt)
• C1457a
• C1457b
• C1457c
• C1457d
• C238
• C4804a
• C4804b
• C4804c
• C4804d
• C4804e
• Cdc13
• Charge port light ring
• Computer data lines system
• Ctemp in2 rtn
• Ctemp in2 sig
• Ctemp out 2 rtn
• Ctemp out 2 sig
• Cyd01
• Cyd02
• Cyd03
• Dc/dc hsd
• Evhs can +
• Evhs can -
• Evhs can+
• Evhs can-
• Fuse
• G103 (left front of motor compt)
• G107 (right side of motor compt)
• G305 (under rear of driver's door sill)
• G403 (behind left side of rear seat)
• Gnd
• Hot at all times
• Hv batt +
• Hv batt -
• Hvbat il in
• Hvbat il out
• Hvil in
• Hvil out
• Hyt01
• Hyt02
• Intr pk b+
• Intr pk wkup
• Intrpk 2nd prot
• Lines system computer data
• Lower high voltage battery pack (under rear seats)
• Nca
• Pack can hi
• Pack can lo
• S104
• S421
• Vbatt
• Vdb04
• Vdb05
• Za180

Electric, Engine Performance Wiring Diagram (5 of 7) for Ford Focus SE 2012

List of elements for Electric, Engine Performance Wiring Diagram (5 of 7) for Ford Focus SE 2012:

• (front of electric motor assembly) air conditioning control module
• (near breakout to right footwell air discharge temperature sensor)
• 12v bccm bcem
• 12v pcm becm
• 12v wake up
• 20a
• 40a
• Becm pcmp
• Body control module (lower right side of dash)
• C1822a
• C1822b
• C1822c
• C1822d
• C1822e
• C1822f
• C1822g
• C1822h
• C2280c
• C237
• C238
• C310a
• C4805a
• C4805b
• C4805c
• C4805d
• C4805e
• Ce436
• Computer data lines system
• Cr115
• Ctemp in2 rtn
• Ctemp in2 sig
• Ctemp out 2 rtn
• Ctemp out 2 sig
• Cyd01
• Cyd02
• Ens
• Ev hs can +
• Ev hs can -
• Event sig
• Front fuse
• G305 (under rear of driver's door sill)
• G404 (right side of rear seats)
• Gnd
• Hdc52
• Hdc53
• Hs can+
• Hs can-
• Hv batt +
• Hv batt -
• Hv batt+
• Hv batt-
• Hv main pos
• Hv+
• Hv-
• Hvbat il in
• Hvbat il out
• Hvil
• Hyt01
• Hyt02
• Intr pk b+
• Intr pk wkup
• Intrpk 2nd prot
• Micro
• Middle fuse
• Nca
• Pack can hi
• Pack can lo
• Pcm shutoff
• Rear fuse
• Restraints control module (under front of center console)
• S280
• S415
• S421
• Transmission control module (top of transmission)
• Upper high voltage battery pack (behind rear seats)
• Vbatt
• Vdb04
• Vdb05
• Za103
• Za113
• Za114

Electric, Engine Performance Wiring Diagram (6 of 7) for Ford Focus SE 2012

List of elements for Electric, Engine Performance Wiring Diagram (6 of 7) for Ford Focus SE 2012:

• (above left front wheel well)
• (above left front wheelwell) inline fuse 2
• (right front of electric motor assembly) a/c low pressure sensor
• 12v en
• 40a
• 50a
• A10
• Ac line 1
• Ac line 2
• Ambient air temperature sensor (in right exterior rearview mirror assembly)
• Battery charging control module (under left front of vehicle)
• Battery junction box (bjb) (left side of motor compt)
• C1035c
• C1821a
• C1821b
• C1821c
• C1824
• C238
• C340
• C626
• Charge port (left front wheelwell)
• Computer data lines system
• Cyb55
• Cyb56
• Evhs can +
• Evhs can -
• Fuse
• G104 (left front of motor compt)
• G111 (rear of electric motor assembly)
• G112 (left front wheelwell)
• G113 (right side of electric motor assembly)
• Gnd
• Hot at all times
• Hv batt +
• Hv batt -
• Hv batt+
• Hv batt-
• Hyb51
• Hyb52
• Hyb53
• Hyb54
• Inline fuse 1
• Nca
• Pilot
• Pmw ctrl
• Prox
• Prox resistor (at charge port)
• Ptc heater (right side of electric motor assembly)
• Rear junction box (rjb) (left rear corner of vehicle)
• Ryb57
• Vbatt
• Vdb04
• Vdb05
• Wake up
• Za116
• Za150
• Za259

Electric, Engine Performance Wiring Diagram (7 of 7) for Ford Focus SE 2012

List of elements for Electric, Engine Performance Wiring Diagram (7 of 7) for Ford Focus SE 2012:

• (front of electric motor assembly)
• (in breakout to battery junction box (bjb))
• (left front of electric motor assembly) barometric absolute pressure sensor
• (left front of motor compt) g104
• (left side of electric motor assembly) coolant water pump 3
• (right rear of electric motor assembly)
• (top left front of electric motor assembly) temperature sensor thermostat 2
• Aat
• Aclp
• Bap
• C175b
• Cabin htr
• Cbb12
• Ce321
• Chp01
• Computer data lines system
• Coolant valve 1
• Coolant valve 2
• Coolant valve 3
• Coolant water pump 1
• Coolant water pump 2
• Cooling fans system
• Cp1 diag
• Cp1 pwm out
• Cp2 diag
• Cp2 pwm out
• Cv1 anlg out
• Cv1 div fdbk
• Cv2 anlg out
• Cv3 anlg out
• Evhs can+
• Evhs can-
• Fcv
• G104 (left front of motor compt)
• He12rc
• High voltage battery coolant cooler thv/ isolator solenoid valve assembly (bottom left front of electric motor assembly)
• Hvil sense
• Hvil source
• Lh108
• Pcm shutoff in
• Powertrain control module (pcm) (front of left front wheelwell)
• Re141
• Re238
• Rh107
• Rh108
• S150
• S152 (in breakout to barometric absolute pressure (map) sensor)
• Sigrtn
• Sigtrn
• Temperature sensor thermostat 1 (front of electric motor assembly)
• Temperature sensor thermostat 3 (top left rear of electric motor assembly)
• Tst1
• Tst2
• Tst3
• Vdb04
• Vdb05
• Ve203
• Ve705
• Ve727
• Ve740
• Vh422
• Vmc15
• Vpwr
• Vref
• Vyb30
• Vyb31
• Vyb32
• Za103
• Za113
• Za114