All Wiring Diagrams for Chevrolet Sonic LT 2012

AIR CONDITIONING

1.4L VIN B

1.4L VIN B, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for 1.4L VIN B, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• (behind radiator) cooling fan motor
• (left rear of engine compt) g102
• (not used)
• (on blower motor) blower motor resistor
• (under center console) g301
• (under center console) g302
• A/c
• A/c compressor clutch (lower left front of engine)
• A/c compressor clutch relay
• A/c on ind
• A/c request sig
• Ac clutch fuse 31 10a
• Auxiliary a/c
• Auxiliary a/c request ind sig
• Bi-lev
• Blower fuse 7 40a
• Blower motor (under right side of dash)
• Blower speed feedback sig
• Body control module (left end of dash)
• Coil fuse 45 20a
• Computer data lines system
• Cool fan k4 fuse 32 30a
• Cool fan k5 fuse 33 40a
• Cooling fan high speed relay
• Cooling fan low speed relay
• Cooling fan medium speed relay
• Def
• Defogger system
• Defrost/heater mode valve position sens sig
• Defrost/htr mode
• Evap core temp
• Evap core temp sensor sig
• Floor
• Fresh air ind
• Fuse 40a
• G100 (left front corner of engine compt)
• G104 (rear of cylinder bank)
• Gnd
• High speed gmlan
• Hot at all times
• Hot w/ engine controls ignition relay energized
• Hvac control module
• Ind dimming ctrl
• Interior lights system
• J122
• J127
• J139
• J202
• J336
• Led backlight dimming ctrl
• Logic
• Low reference
• Low speed gmlan serial data
• Max a/c
• Mix-blend
• Mode switch
• Off
• Rear defog relay ctrl
• Rear defogger ind
• Run ignition 3 voltage
• Run rly coil ctrl
• Sensor sig
• Serial data (+) (1) high speed gmlan
• Underhood fuse block (next to left front strut tower)
• Valve pos sens sig
• Vent
• Ventilating fan switch
• X1 serial data (-) (1)
• X2 feedback sig blower speed
• X202
• X6 low reference
• X7 request ind sig

1.4L VIN B, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for 1.4L VIN B, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (bottom of hvac module)
• (left side of engine compt) engine control module
• (pedal position sensors accelerator & brake 6 cm left of breakout to)
• 5 volt reference
• A/c compressor clutch relay ctrl
• A/c evaporator temperature sensor (left side of hvac)
• A/c refrigerant pressure sensor (rear of a/c compressor)
• A/c refrigerant pressure sensor sig
• Ac on switch
• Air inter door actuator
• Ambient air temperature sensor (right side of front grille)
• Blower motor relay
• Computer data lines system
• Cooling fan relay
• Cooling fan speed control relay
• Driver information center display
• Engine coolant temperature sensor 1 (rear of engine block)
• Engine coolant temperature sensor 2 (lower right side of radiator)
• Evap core temp sen low reference
• Evap core temp sensor sig
• G100 (left front corner of engine compt)
• G301 (under center console)
• Hi speed cooling fan relay ctrl
• High speed gmlan serial data (+) (1)
• High speed gmlan serial data (-) (1)
• Hot at all times
• Hvac control module
• Hvac fuse 10a
• Hvac fuse 18 10a
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J130
• J131
• J224
• J236
• Lo speed cooling fan relay ctrl
• Logic
• Low reference
• Low reference coolant temp
• Low speed gmlan serial data
• Open recirculation door ctrl
• Out side ambient air temp sens sig
• Out side ambient temp sens sig low ref
• Recirculation ind
• Sensor 2 sig coolant temp
• Sensor sig coolant temp
• Underhood relay block
• X100
• X101
• X105
• X202

1.8L VIN H

1.8L VIN H, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for 1.8L VIN H, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• (behind radiator) cooling fan motor
• (left rear of engine compt) g102
• (not used)
• (on blower motor) blower motor resistor
• (under center console) g301
• (under center console) g302
• A/c
• A/c compressor clutch (lower left front of engine)
• A/c compressor clutch relay
• A/c on ind
• A/c request sig
• Ac clutch fuse 31 10a
• Auxiliary a/c
• Auxiliary a/c request ind sig
• Bi-lev
• Blower fuse 7 40a
• Blower motor (under right side of dash)
• Blower speed feedback sig
• Body control module (left end of dash)
• Coil fuse 45 20a
• Computer data lines system
• Cool fan k4 fuse 32 30a
• Cool fan k5 fuse 33 40a
• Cooling fan high speed relay
• Cooling fan low speed relay
• Def
• Defogger system
• Defrost/heater mode
• Defrost/heater mode valve position sens sig
• Evap core temp
• Evap core temp sensor sig
• Floor
• Fresh air ind
• G100 (left front corner of engine compt)
• G104 (lower right rear of engine)
• Gnd
• High speed gmlan
• Hot at all times
• Hot w/ engine controls ignition relay energized
• Hvac control module
• Ind dimming ctrl
• Interior lights system
• J122
• J202
• J336
• Led backlight dimming ctrl
• Logic
• Low reference
• Low speed gmlan serial data
• Max a/c
• Mix-blend
• Mode switch
• Off
• Rear defog relay ctrl
• Rear defogger ind
• Run ignition 3 voltage
• Run relay coil ctrl
• Sensor sig
• Serial data (+) (1) high speed gmlan
• Underhood fuse block (next to left front strut tower)
• Valve post sens sig
• Vent
• Ventilating fan switch
• X1 serial data (-) (1)
• X2 feedback sig blower speed
• X202
• X6 low reference
• X7 request ind sig

1.8L VIN H, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for 1.8L VIN H, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (pedal position sensors accelerator & brake 6 cm left of breakout to)
• 5 volt reference
• A/c compressor clutch relay ctrl
• A/c evaporator temperature sensor (left side of hvac)
• A/c refrigerant pressure sensor (rear of a/c compressor)
• A/c refrigerant pressure sensor sig
• Ac on switch
• Air inter door actuator (upper right side of hvac)
• Ambient air temperature sensor (right side of front grille)
• Blower motor relay
• Computer data lines system
• Driver information center display
• Engine control module (left side of engine compt)
• Engine coolant temperature sensor 1 (rear of engine block)
• Engine coolant temperature sensor 2 (lower right side of radiator)
• Evap core temp sen low reference
• Evap core temp sensor sig
• G301 (under center console)
• Hi speed cooling fan relay ctrl
• High speed gmlan serial data (+) (1)
• High speed gmlan serial data (-) (1)
• Hot at all times
• Hvac control module
• Hvac fuse 18 10a
• Hvac fuse 32 10a
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J224
• J236
• Lo speed cooling fan relay ctrl
• Logic
• Low reference
• Low speed gmlan serial data
• Open recirculation door ctrl
• Out side ambient air temp sens sig
• Out side ambient temp sens sig low ref
• Recirculation ind
• Sensor 2 sig coolant temp
• Sensor sig coolant temp
• X100
• X101
• X105
• X202

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• Abs pump fuse 40a
• Abs valve fuse 30a
• Brake pressure modulator
• Brk fluid lvl sw
• Computer data lines system
• Electronic brake control module (ebcm) (left rear of engine compt)
• G201 (left kick panel)
• G301 (under center console)
• Gmlan +
• Gmlan -
• Gmlan data(-)
• Gmlan-
• Gmland data(+)
• Gnd
• Hot at all times
• J200 (instrument panel 28cm right of break out to passenger air bag disable switch)
• J202
• Left front wheel speed sensor (wss) (left front wheel hub assembly)
• Left rear wheel speed sensor (wss) (left rear wheel hub assembly)
• Lf whl sens
• Low ref
• Lr whl sens
• Multi-axis acceleration sensor (under rear of center console)
• Nca
• Rf whl sens
• Right rear wheel speed sensor (wss) (right rear wheel hub assembly)
• Rr whl sens
• Sens sply volt
• Serial data comm enable
• Steering wheel angle sensor (top of steering column)
• Suply
• Underhood fuse block (next to left front strut tower)
• Voltage
• X202

Anti-lock Brakes Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (top of brake pedal assembly) brake pedal position sensor
• 1.4l
• 1.8l
• A/t
• Abs ind
• Body control module (bcm) (left end of dash)
• Brake booster pump motor (lower left rear corner of engine compt)
• Brake booster vacuum switch (right side of engine compt)
• Brake fluid level switch (master cylinder assembly)
• Brake ind
• Brk pos scns 5v ref
• Brk position sens low
• Brk position sens sig
• Clutch pedal position sensor (on clutch pedal assembly)
• Clutch pos sens sig
• Clutch sens low ref
• Clutch sens volt ref
• Computer data lines system
• Driver information center (dic) display
• Engine control module (ecm) (left side of engine compt)
• Evp fuse 20a
• G103 (left front corner of engine compt)
• G301 (under center console)
• G303 (left kick panel)
• Gmlan data(+)
• Gmlan data(-)
• Hi spd gmlan serial data +
• Hi spd gmlan serial data -
• Hot at all times
• Hot w/ ign run relay eneryized
• Instrument cluster
• J128
• J236
• Logic
• Low ref
• M/t
• Multi-function center console switch
• Nca
• Park brake switch (base of park brake assembly)
• Prk brk sw
• Right front wheel speed sensor (wss) (right front wheel hub assembly)
• Rvc fuse 5a
• Traction control off switch
• Traction sw
• Underhood fuse block (next to left front strut tower)
• X101
• X202

ANTI-THEFT

Forced Entry Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for Forced Entry Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• & power mirrors
• (body harness, 10 cm left of breakout to park brake switch) j329
• (center front of engine compt) hood ajar switch
• A (not used)
• Ambient light sensor (w/o electrical unauthorized entry theft deterrent) (top front center of dash)
• Batt positive volt
• Batt post volt
• Bcm 1 fuse 20a
• Bcm 5 fuse 25a
• Bcm 8 fuse 30a
• Body control module (left end of dash)
• Center console multi-function switch
• Child lockout ind
• Child security lock ind
• Child security lock motor status sig lr
• Child security lock motor status sig rr
• Child security lock rly ctrl
• Child security lock sw sig
• Child security lock switch
• Computer data lines system
• Door lock actuator lock ctrl
• Door lock actuator lock ctrl 2
• Dr lock actuator unlock ctrl
• Driver door latch assembly
• Driver door lock sw lock sig
• Driver door lock switch
• Exterior lights system
• G101 (right front of engine compt)
• G301 (under center console)
• G302 (under center console)
• G303 (left kick panel)
• G401 (left "c" pillar)
• Gnd
• Ground distribution system
• Hatchback
• Headlights system
• Hood ajar sw sig
• Horn relay ctrl
• Horns system
• Hot at all times
• Ind dimming ctrl
• Instrument panel fuse block (left end of dash)
• Interior lights system
• J202
• J236
• J300
• J327
• J500
• J900
• Lf rr door ajar sw sig
• Lh frt door ajar sw sig
• Lh gate ajar sw sig 1
• Lh hdlp low beam suply volt
• Lh park lamp suply volt
• Liftgate latch
• Network 3
• Notchback
• Rear compartment lid latch
• Remote control door lock receiver (front center of dash)
• Rfa rec sig
• Rfa ret
• Rfa sply vol
• Rfa sply volt
• Rfa trans sig
• Rh frt door ajar sw sig
• Rh hdlp low beam suply volt
• Rh park lamp suply volt
• Rr child security lock mtr status sig
• Security indicator ctrl
• Sw unlock sig
• Up/down
• W/ express
• W/ power window
• W/o express
• W/o power window
• X100
• X200
• X208
• X500
• X900

Forced Entry Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for Forced Entry Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (right "c" pillar) g400
• Computer data lines system
• Door lock security relay
• Driver information center display
• Driver window motor
• G102 (left rear of engine compt)
• G304 (right kick panel)
• G401 (left "c" pillar)
• Instrument cluster
• J139
• J322
• J328 (body harness, 15 cm left of breakout to park brake switch)
• J334
• J335
• J600
• J704
• J803
• Left rear door latch assembly
• Lf dr ajar sw sig
• Lo spd serial data
• Logic
• Network bus 3
• Passenger door latch assembly
• Right rear door latch assembly
• Security indicator
• Underhood fuse block (next to left front strut tower)
• X600
• X700
• X800

Pass-Key Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Pass-Key Wiring Diagram for Chevrolet Sonic LT 2012:

• (center front of engine compt) hood ajar switch
• 1.4l
• 1.8l
• A (not used)
• Batt positive volt
• Bcm fuse 1 20a
• Body control module (left end of dash)
• Computer data lines system
• Driver information center display
• Engine control module (left side of engine compt)
• G101 (right front of engine compt)
• G303 (left kick panel)
• Gnd
• Hi spd gmlan (+) 1
• Hi spd gmlan (-) 1
• Hood ajar sw sig
• Hot at all times
• Immobilizer control module (near ignition cylinder)
• Immobilizer ret
• Immobilizer sply volt
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J327
• Lo spd gmlan
• Lo spd serial data
• Logic
• Network bus 11
• Security indicator
• X100

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 3) for Chevrolet Sonic LT 2012

List of elements for Body Control Modules Wiring Diagram (1 of 3) for Chevrolet Sonic LT 2012:

• (under center console)
• (under center console) g302
• A/c request sig
• Air conditioning system
• Ambient light sensor signal
• Anti-lock brakes system
• Anti-theft & door locks systems
• Battery positive volt
• Bcm-1 fuse 20a
• Bcm-2 fuse 20a
• Bcm-3 fuse 30a
• Bcm-4 fuse 30a
• Bcm-5 fuse 25a
• Bcm-8 fuse 30a
• Blwr spd feedback sig
• Body control module (left end of dash)
• Child security lock sw sig
• Computer data lines system
• Cruise control & exterior lights systems
• Defogger system
• Defrost/heater mode valve post sens sig
• Door locks & anti-theft systems
• Driver dr lk sw lock sig
• Driver dr lk sw unlock sig
• Exterior lights & cruise control systems
• Exterior lights system
• G302
• Ground
• Hazard led dim sig
• Hazard switch signal
• Headlamp sw on sig
• Headlamp sw park lamps sig
• Headlamps off sig ctrl
• Headlights & exterior lights systems
• Headlights system
• Hi spd gmlan serial data(+)
• Hi spd gmlan serial data(-)
• High speed gmlan +
• High speed gmlan -
• Hot at all times
• Indicator dimming control
• Instrument panel fuse block (left end of dash)
• Interior lights & exterior lights systems
• Interior lights system
• Led backlight dimming ctrl
• Lighting ctrl sw sig
• Low ref
• Low reference
• Low spd gmlan serial data
• Rear def ind supp volt
• Rear wind wash relay con
• Rear wind wiper sw sig
• Remote function actr rtn
• Remote function actuator receive sig
• Remote function actuator transmit signal
• Remote function sply volt
• Security ind ctrl
• Tap up/tap down sw
• Traction con sw sig
• Transmission system
• Wiper/washer system

Body Control Modules Wiring Diagram (2 of 3) for Chevrolet Sonic LT 2012

List of elements for Body Control Modules Wiring Diagram (2 of 3) for Chevrolet Sonic LT 2012:

• (info not available)
• Accessory wakeup serial data
• Air conditioning system
• Anti-theft & door locks systems
• Battery
• Battery positive voltage
• Bcm-6 fuse 20a
• Bcm-7 fuse 20a
• Body control module (left end of dash)
• Child security lock relay ctrl
• Chmsl sply volt
• Computer data lines system
• Cruise control system
• Cruise/etc/tcc brake signal
• Current sensor signal
• Current sensor sply voltage
• Defogger system
• Door lock ctrl
• Door lock system & anti-theft systems
• Door locks & anti-theft systems
• Door locks system & anti-theft systems
• Dr lck actuator unlock ctrl
• Dr lock actuator lock ctrl 2
• Drv door lk status ind sply vol
• Endgate latch relay coil ctrl
• Endgate latch rly sply vol
• Exterior
• Exterior lights system
• Fog lamp relay ctrl
• Front windshield wiper sw sig
• Fuse 5a
• G105 (left front of engine compt)
• G303 (left kick panel)
• Gmlan data +
• Gmlan data -
• Ground
• Headlamp high beam rly ctrl
• Headlights system
• High speed gmlan serial data(+)
• High speed gmlan serial data(-)
• Hood ajar switch signal
• Horn rly ctrl
• Horns system
• Hot at all times
• Instrument panel fuse block (left end of dash)
• Instrument panel lp dimming ctrl
• Interconnect network bus 3
• Interior lights system
• J327
• Left front door ajar sw sig
• Left rear door ajar sw sig
• Lf turn sig lamp sply volt
• Liftgate ajar switch sig(1)
• Lights system
• Low ref
• Low reference
• Lr turn sig lamp sply volt
• Lt hdlp low beam sply volt
• Power distribution system
• Rear closure handle sw open sig
• Rear defog relay ctrl
• Rear license lamp sply volt
• Rear wiper motor relay coil ctrl
• Relay coil control
• Rf turn sig lp sply volt
• Right front door ajar sw sig
• Right rear park lamp sply volt
• Rr turn sig lp sply volt
• Rt hdlp low beam sply volt
• Run relay coil ctrl
• Serial data comm enable
• Starting/charging system
• Trunk, tailgate, fuel doors system
• Underhood fuse block (next to left front strut tower)
• Windshield washer relay ctrl
• Windshield wiper mtr park sw sig
• Windshield wiper mtr sply vol
• Wiper/washer system
• X202

Body Control Modules Wiring Diagram (3 of 3) for Chevrolet Sonic LT 2012

List of elements for Body Control Modules Wiring Diagram (3 of 3) for Chevrolet Sonic LT 2012:

• (info not available)
• A/c request ind sig
• Acc
• Accessory voltage
• Air conditioning system
• Anti-theft & door locks systems
• Anti-theft system
• Anti-theft system headlights & cruise control systems
• Backup lamp sply volt
• Body control module (left end of dash)
• Computer data lines system
• Cruise control sw sig
• Cruise control system
• Door locks & anti-theft systems
• Evap core temperature
• Exterior lights system
• Hdlp dimmer sw hi beam sig
• Hdlp sw flash to pass sig
• Headlights system
• Horn switch signal
• Horns system
• Hot at all times
• Ignition 1 voltage
• Ignition key resister sig
• Ignition switch
• Immobilizer return
• Immobilizer sply volt
• Inadvertent power ctrl
• Instrument cluster & anti lock brakes systems
• Inter connect network bus 11
• Interior lamp ctrl
• Interior lights system
• Interior lights, door locks & anti-theft systems
• Lf turn signal sw sig
• Low reference
• Low spd gmlan serial data
• Lr child security mtr lock status sig
• Off
• Off/run /crank volt
• Park brk sw sig
• Park lock solenoid ctrl
• Power distribution system
• Rap relay coil control
• Rear defog sw
• Right turn signal sw sig
• Rr child security mtr lock status sig courtesy lamp sw sig
• Rr dr ajar sw sig
• Run
• Sens sig
• Shift interlock system
• Sound systems
• Start
• Steering wheel ladder sig 1
• Sw ref
• Trunk lamp control
• Windshield washer sw sig
• Windshield wiper sw hi sig
• Windshield wiper sw low sig
• Wiper/washer system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for Computer Data Lines Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• (body harness, 5 cm behind breakout to driver's seat belt retractor pretensioner) (w/ front seat heater) j325
• (not used)
• A/t
• Acc
• Accessory volt
• Accessory wakeup
• Body control module (left end of dash)
• D11
• Data link connector (dlc) (under left side of dash)
• Dlc fuse 15a
• Driver window motor
• Fuel pump control module (hatchback: base of right "c" pillar) (notchback: right side of luggage compt)
• G301 (under center console)
• Hi spd gmlan (+)
• Hi spd gmlan (-)
• High speed gmlan
• High speed gmlan (+)
• High speed gmlan (-)
• High speed gmlan 1(+)
• High speed gmlan 1(-)
• Hot at all times
• Hvac control module
• Ignition switch
• Immobilizer control module (near ignition cylinder)
• Inflatable restraint sensing & diagnostic module (sdm) (under front of center console)
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J202
• J236
• J326 (body harness, 16 cm before breakout to front seats)
• Lin bus ii
• Low speed gmlan
• Low speed gmlan serial data
• M/t
• Network bus 3
• Off
• Passenger presence detection module
• Radio
• Run
• Seat heating control module (w/ front seat heater) (under front of driver's seat)
• Serial data comm enable
• Splice pack jx203
• Start
• Underhood fuse block (next to left front strut tower)
• X202
• X301
• X302
• X500

Computer Data Lines Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for Computer Data Lines Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (1.4l) x1
• (left center of dash) splice pack jx202
• (left rear of engine compt) electronic brake control module
• (not used)
• (top of steering column) steering wheel angle sensor
• (under rear of center console) multi-axis acceleration sensor
• A/t
• Acc wakeup ser data
• Automatic transmission assembly
• Control solenoid valve assembly
• Engine control module (left side of engine compt)
• Hi spd gmlan data (+)
• Hi spd gmlan data (-)
• Hi spd gmlan data 1(+)
• Hi spd gmlan data 1(-)
• Hi spd gmlan data 2(+)
• Hi spd gmlan data 2(-)
• Hi spd gmlan data 2+)
• J216 (instrument panel harness, 6.5 cm right of breakout to passenger air bag disable switch)
• Low speed gmlan serial data
• M/t
• Plant abs data connector assembly
• Power steering control module (on steering column)
• Serial data comm enable
• Splice pack jx200 (right center of dash)
• Splice pack jx201 (right center of dash)
• Telematics communication interface control module (behind right side of dash)
• X1 (1.8l)
• X101
• X202

COOLING FAN

1.4L VIN B

1.4L VIN B, Cooling Fan Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for 1.4L VIN B, Cooling Fan Wiring Diagram for Chevrolet Sonic LT 2012:

• (not used)
• Coil fuse 45 20a
• Computer data lines system
• Cool fan k4 fuse 32 30a
• Cool fan k5 fuse 40a
• Coolant temp sensor 2 sig
• Coolant temperature sensor low reference engine control module (left side of engine compt)
• Coolant temperature sensor signal
• Cooling fan high speed relay
• Cooling fan low speed relay
• Cooling fan medium speed relay
• Cooling fan motor (behind radiator)
• Cooling fan relay
• Cooling fan speed control relay
• Engine coolant temperature sensor 1 (rear of engine block)
• Engine coolant temperature sensor 2 (lower right side of radiator)
• Fan relay ctrl hi speed cooling
• Fan relay ctrl lo speed cooling
• Fuse 40a
• G100 (left front corner of engine compt)
• High speed gmlan serial data (+) (1)
• High speed gmlan serial data (-) (1)
• Hot at all times
• Hot w/ engine controls ignition relay energized
• J127
• J130
• J131
• J139 (left rear of engine compt) g102
• Low reference
• Underhood fuse block (next to left front strut tower)
• Underhood relay block
• X100
• X101

1.8L VIN H

1.8L VIN H, Cooling Fan Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for 1.8L VIN H, Cooling Fan Wiring Diagram for Chevrolet Sonic LT 2012:

• (behind radiator) cooling fan motor
• (left rear of engine compt) g102
• (not used)
• Coil fuse 45 20a
• Cool fan k4 fuse 32 30a
• Cool fan k5 fuse 33 40a
• Coolant temp sensor 2 sig
• Coolant temp sensor sig
• Cooling fan high speed relay
• Cooling fan low speed relay
• Engine control module (left side of engine compt)
• Engine coolant temperature sensor 1 (rear of engine block)
• Engine coolant temperature sensor 2 (lower right side of radiator)
• Fan relay ctrl hi speed cooling
• Fan relay ctrl lo speed cooling
• G100 (left front corner of engine compt)
• High speed gmlan serial data (+) (1)
• Hot at all times
• Hot w/ engine controls ignition relay energized
• J139
• Low reference
• Serial data (-) (1) high speed gmlan
• System data lines computer
• Underhood fuse block (next to left front strut tower)
• X100
• X101

CRUISE CONTROL

Cruise Control Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Cruise Control Wiring Diagram for Chevrolet Sonic LT 2012:

• (instrument panel harness, 2.5 cm right of breakout to body control module) j212
• (or 6109)
• (or 6110)
• (or 6111)
• (top of steering column) steering wheel air bag coil
• 1.4l
• 1.8l
• 5 speed manual transmission
• 5 volt ref
• 5-v ref
• 6 speed manual transmission
• A/t
• Accelerator pedal position (app) sensor (top of accelerator pedal assembly)
• App sen 1 sig
• App sens 2 sig
• Automatic transmission assembly
• Batt pos vol
• Body control module (left end of dash)
• Brake pedal position sensor (top of brake pedal assembly)
• Brk aply sens sig
• Brk pos sens sig clutch volt ref brk pos sens 5v ref
• Brk sig hi spd gmlan data (-) hi spd gmlan data (+)
• Cancel
• Clutch low ref brk pos sens low ref
• Clutch pedal position sensor (on clutch pedal assembly)
• Clutch pedal position switch (top of clutch pedal assembly)
• Clutch sensor signal
• Computer data lines system
• Control solenoid valve assembly
• Cpp sw sig
• Cruise ctrl sw sig
• Cruise ind
• Cruise switch
• Cruise/etc/tcc/ brk sig
• Cruise/etc/tcc/ brk sig x5
• Driver information center display
• Engine control module (ecm) (left side of engine compt)
• Fuse 10a
• Fuse 15a
• Fuse 7.5a
• G104 (1.4l: rear of cylinder bank) (1.8l: lower right rear of engine)
• G301 (under center console)
• Gmlan serial data
• Gnd
• Ground
• Hot at all times
• Hot w/ ignition run relay relay energized
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• Interior lights system
• Iss hi sig
• Iss lo sig
• J100 (a/t) (engine harness, 4 cm from breakout to purge solenoid valve)
• J202
• Left steering wheel controls switch
• Lighting ctrl sw ref
• Logic
• Low ref
• M/t
• Oss hi sig
• Oss lo sig
• Oss low ref
• Oss sig
• Oss suply
• Res+
• Ser data bus+
• Ser data bus-
• Serial data bus +
• Serial data bus -
• Set-
• Sound systems
• Tac mtr ctrl clse
• Tac mtr ctrl opn
• Throttle body (right front of engine, on intake manifold)
• Tp sen 2 sig
• Tp sen 5 volt ref
• Tp sen low ref
• Tp sen sig 1
• Transmission control module
• Transmission input shaft speed sensor
• Transmission output shaft speed sensor
• Transmission output shaft speed sensor (m/t) (in automatic transmission)
• Underhood fuse block (next to left front strut tower)
• X101
• X202

DEFOGGERS

Defoggers Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Defoggers Wiring Diagram for Chevrolet Sonic LT 2012:

• (body harness, 110 cm before breakout to electronic brake control module) j141
• (hatchback)
• B10
• B11
• Battery fuse block (next to left front strut tower)
• Body control module (left end of dash)
• Computer data lines system
• Defog relay ctrl
• Driver outside rear view mirror (if equipped)
• Driver outside rear view mirror glass
• Fuse 150a
• G102 (left rear of engine compt)
• G303 (left kick panel)
• G304 (right kick panel)
• G401 (left "c" pillar)
• Hot at all times
• Hvac control module
• J139
• J334
• J500
• J600
• Logic
• Nca
• Network bus 3
• Osrvm htd fuse 15a
• Passenger outside rear view mirror (if equipped)
• Passenger outside rear view mirror glass
• Rear defogger ind
• Rear defogger relay
• Rear defogger switch
• Rear wdw defog fuse 30a
• Rear window defogger grid
• Serial data
• Underhood fuse block (next to left front strut tower)
• X2 b1
• X202
• X500
• X600
• X900

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Electronic Power Steering Wiring Diagram for Chevrolet Sonic LT 2012:

• (instrument panel harness, 28 cm right of breakout to passenger air bag disable switch) j200
• (not used)
• Anti-lock brakes system
• Batt positive volt
• Battery fuse block (next to left front strut tower)
• Comb veh int sens sply volt
• Computer data lines system
• Driver information center display
• Electronic brake control module (left rear of engine compt)
• Fuse 1 80a
• G301 (under center console)
• G307 (left kick panel)
• Ground
• Hi spd gmlan serial data (+) 1
• Hi spd gmlan serial data (+) 2
• Hi spd gmlan serial data (-) 1
• Hi spd gmlan serial data (-) 2
• Hot at all times
• Instrument cluster
• J202
• Logic
• Low spd gmlan serial data
• Power steering control module (on steering column)
• Power steering warning light ind
• Serial data comm enable
• Steering wheel angle sensor (top of steering column)
• X201
• X202

ENGINE PERFORMANCE

1.4L VIN B

1.4L VIN B, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Sonic LT 2012

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Sonic LT 2012:

• (in automatic transmission) (m/t) transmission output shaft speed sensor
• (top of fuel tank) fuel tank pressure sensor
• 5 volt ref
• 5volt ref
• Absolt press sens sig
• Clutch pedal pressure sensor (m/t) (on clutch pedal assembly)
• Computer data lines system
• Eng coolant temp sens sig
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature (ect) sensor 1 (left front of engine)
• Evap canister pur sol ctrl
• Exterior lights system
• Fuel tank press sens sig
• Generator field duty cycle sig
• Ho2s high sig bank 1 sens 2
• Ho2s htr hi ctrl bank1 sens2
• Ho2s low sig bank 1 sens 2
• Instrument cluster
• Instrument cluster system
• Intake manifold tuning solenoid valve (right rear of engine)
• Lo spd gmlan serial data
• Logic
• Low ref
• Malfunction ind
• Manifold absolute pressure sensor (right rear of engine in intake manifold)
• Output spd digital sig
• Overrun air valve sol
• Primary fuel lvl sens sig
• Reverse sw sig
• Sens sig
• Starting/charging system
• Turbocharger bypass solenoid valve
• Waste gate sol ctrl
• X101
• X202
• X401

1.4L VIN B, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Sonic LT 2012

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Sonic LT 2012:

• (exhaust manifold) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (right side of engine) evaporative emission purge solenoid valve
• (right side of fuel tank) evaporative emission vent solenoid valve
• Accelerator pedal position (app) sensor (top of accelerator pedal assembly)
• Engine coolant temperature (ect) sensor 2 (rear of engine block)
• Exhaust camshaft position actuator solenoid valve (left front of engine)
• G104 (rear of cylinder bank)
• Intake camshaft position actuator solenoid valve (right front of engine)
• Multifunction intake air sensor (after air cleaner)
• Nca
• X100
• X101
• X202
• X401

1.4L VIN B, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Sonic LT 2012

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Sonic LT 2012:

• 5 volt ref
• A/c compr clth rly ctrl
• A/c rfgt pr sens sig
• Acc pedal pos sig 1
• Acc pedal pos sig 2
• Charge ind ctrl
• Check engine ind ctrl
• Cooling fans system
• Cruise control system
• Cruise/etc/tcc brk sig
• D10
• Ecm 1 fuse 10a
• Ecm 2 fuse 20a
• Ecm 3 fuse 10a
• Ecm 4 fuse 10a
• Ecm fuse 15a
• Ecm/tcm fuse 10a
• Engine control module (ecm) (left side of engine compt)
• Engine controls ignition relay
• Evap canstr vent ctrl
• Fans system cooling
• Flux fuel fuse 10a
• Fscm 1 fuse 20a
• High speed relay ctrl
• Hot at all times
• Hot w/ ign run relay energized
• Ign
• Injector fuse 15a
• Intake sens ctrl
• J117
• J118
• J12
• J128 (a/t)
• J132
• J133
• Lines system computer data
• Low ref
• Low spd cooling
• Mas air flow sens sig
• Park netrl pos sw sig
• Powertrain rly ctrl
• Pre tr air temp pr sig
• Pres sens 5 v ref
• Press sens sig
• Primary rly ctrl
• Rvc fuse 10a
• Serial data + 1
• Serial data - 1
• Starting/charging system
• Startr enble rly ctrl
• System air conditioning
• Temp sens 2 sig
• Temp sens sig
• Transmissions system
• Underhood fuse block (next to left front strut tower)
• Underhood fuse block (next to left front x3 strut tower)
• Wakeup serial data

1.4L VIN B, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Sonic LT 2012

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Sonic LT 2012:

• (top of valve cover) ignition coil module
• (top right side of engine) fuel injectors
• Batt +
• Computer data lines system
• F sply 1 main rly pwrtn
• Fuel
• Fuel lin sens 5v ref
• Fuel press sens sig
• Fuel pump & level sensor assembly (top of fuel tank)
• Fuel pump control module (right side of luggage compt)
• Fuel pump ctrl
• Fuel pump rly ctrl
• G104 (rear of cylinder bank)
• G400 (right "c" pillar)
• Gnd
• Ground
• Hs gmlan +
• Hs gmlan -
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Ign volt
• J404
• J405
• J406
• Low ref
• Nca
• Pump
• Serl data comm enbl
• Shield
• Tyrbocharger boost/intake air temperature sensor (attached to the air intake duct)
• Underhood fuse block (next to left front strut tower)
• X401

1.4L VIN B, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Sonic LT 2012

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Sonic LT 2012:

• A/c refrigerant pressure sensor (right radiator support)
• Crankshaft position sensor (lower right rear of engine)
• Exhaust camshaft position sensor (left front of cylinder head)
• Fuel pressure sensor (right side of engine in fuel feed line)
• Intake camshaft position sensor (right front of cylinder head)
• Knock sensor (right rear of engine block)

1.4L VIN B, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Sonic LT 2012

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Sonic LT 2012:

• (left front of engine) engine coolant thermostat heater
• 5 volt ref
• Camshaft cam w gnd
• Camshaft cam w sig
• Camshaft cam w sup volt
• Camshaft cam x gnd
• Camshaft cam x sig
• Camshaft cam x sup volt
• Camshaft phaser exhaust sol 1
• Camshaft phaser intake sol 1
• Crankshaft 60x sens sig
• Crankshaft 60x sens volt
• Engine control module (left rear of engine compt)
• Engine oil pressure switch
• Fuel inj ctrl 1
• Fuel inj ctrl 2
• Fuel inj ctrl 3
• Fuel inj ctrl 4
• G104 (rear of cylinder bank)
• Ground
• Ho2s high sig bank 1 sens 1
• Ho2s htr low ctrl bank 1 sens 1
• Ho2s low sig bank 1 sens 1
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Knock sensor sig 1
• Low ref
• Oil press sw sig ctrl
• Powertrain main rly fuse sply 1
• Thermostat engine cool ctrl
• Throttle actuator ctrl close
• Throttle actuator ctrl open
• Throttle body (on intake manifold, right front of engine)
• Throttle position sensor sig 1
• Throttle position sensor sig 2
• Turbo boost press sens temp sig

1.8L VIN H

1.8L VIN H, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Sonic LT 2012

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Sonic LT 2012:

• (left side of engine compt) engine control module (ecm)
• 5v ref
• A/c comp clutch rly ctrl
• A/c pressure sensor 5 v ref
• A/c refreg sens sig
• Acc pedal pos 5 v ref
• Acc pedal pos 5 volt
• Acc pedal pos low ref 1
• Acc pedal pos low ref 2
• Acc wakeup serial data
• Accelerator pedal pos sig 1
• Accelerator pedal pos sig 2
• Accelerator pedal position (app) sensor (top of accelerator pedal assembly)
• Air conditioning system
• Battery positive voltage
• Brk pos sens sig
• Check engine indicator ctrl
• Clutch pedal position switch (m/t) (top of clutch pedal assembly)
• Clutch sens volt ref
• Computer data
• Computer data lines system
• Coolant temp sens 2 low ref
• Coolant temp sensor 2 sig
• Cooling fans system
• Cruise control system
• Cruise/etc/tcc brake sig
• D10
• Ecm 1 fuse 10a
• Ecm 2 fuse 20a
• Ecm 3 fuse 10a
• Ecm 4 fuse 10a
• Ecm fuse 15a
• Ecm/ tcm fuse 10a
• Engine controls ignition relay
• Evap canister vent solenoid
• Exterior lights system
• Flex fuel fuse 10a
• Fscm 1 fuse 20a
• Fuel level sensor low ref
• Fuel pump primary relay ctrl
• Fuel tank pressure (ftp) sensor (top of fuel tank)
• Fuel tank pressure sens sig
• G104 (lower right rear of of engine)
• High spd cooling fan rly ctrl
• High spd gmlan serial data (+)
• High spd gmlan serial data (-)
• Hot at all times
• Hot w/ ign run relay energized
• Injector fuse 15a
• Instrument cluster system
• Intake air temp sensor sig
• Intake air temperature sensor
• J117
• J118
• J12
• J128 (a/t)
• J132
• J303
• Lines system
• Low spd cooling fan rly ctrl
• Mass air flow (maf)/intake air temperature sensor (intake, after air cleaner)
• Mass air flow sensor sig
• O/p spd sig
• Pnp sw park sig
• Powertrain main rly sply 1
• Powertrain relay coil ctrl
• Pressure sens 5v ref
• Primary fuel level sens sig
• Reverse sw sig
• Run/crank ignition 1 voltage
• Rvc fuse 10a
• Sensor low ref
• Starter enable rly ctrl
• Starting/ charging system
• Thermostat engine cool ctrl
• Transmissions system
• Underhood fuse block (next to left front strut tower)
• X101
• X202
• X401

1.8L VIN H, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Sonic LT 2012

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Sonic LT 2012:

• (exhaust manifold) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (in automatic transmission) (m/t) transmission output shaft speed sensor
• (lower right side of radiator) engine coolant temperature sensor 2
• (right rear of engine) intake manifold tuning solenoid valve
• (right side of fuel tank) evaporative emission vent solenoid valve
• 5v ref
• Computer data lines system
• Engine coolant thermostat heater (left rear of engine)
• Fuel
• Fuel pump & level sensor assembly (top of fuel tank)
• Fuel pump control module (base of right "c" pillar)
• Fuel pump ctrl
• G104 (lower right rear of engine)
• G400 (right "c" pillar)
• Gnd
• Hs gmlan +
• Hs gmlan -
• Ign
• Ign volt
• Instrument cluster
• J404
• J405
• J406
• Lo spd gmlan serial data
• Logic
• Low ref
• Mal- function ind
• Nca
• Pump
• Relay ctrl
• Sens sig
• Serial data
• Shield
• Underhood fuse block (next to left front strut tower)
• X100
• X101
• X202
• X401

1.8L VIN H, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Sonic LT 2012

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Sonic LT 2012:

• (rear of a/c compressor) a/c refrigerant pressure sensor
• (right front of engine) evaporative emission (evap) purge solenoid valve
• (right rear of engine) crankshaft position (ckp) sensor
• (top right side of engine) fuel injectors
• Engine coolant temperature (ect) sensor 1 (rear of engine block)
• F sply 1 pwrtn main rly
• Fuel pressure sensor (right side of engine in fuel feed line)
• G104 (lower right rear of engine)
• Ground
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Ignition coil (top of valve cover)
• J133
• Knock sensor (lower right side of engine)
• Low ref
• Manifold absolute pressure sensor (right rear of engine, in intake manifold)
• Tan
• X160

1.8L VIN H, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Sonic LT 2012

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Sonic LT 2012:

• (left front of engine)
• (right front of engine)
• Cam phaser w return low
• Cam phaser x return low ref
• Camshaft phaser exhaust solenoid
• Camshaft phaser intake solenoid 1
• Camshaft position exhaust sensor 1
• Camshaft position intake sensor 1
• Charge indicator control
• Clutch sw fuse 7.5a
• Coolant temp sensor 1 low ref
• Coolant temperature sens 1 sig
• Cpe sensor low ref 1
• Cpi sensir sply volt 1
• Cpi sensor low ref 1
• Cps sensor sply vol
• Crankshaft 60x sensor low ref
• Crankshaft 60x sensor sig
• Crankshaft 60x sensor voltage
• Engine control module (ecm) (left side of engine compt)
• Engine oil pressure switch (lower left front of engine)
• Evap purge ctrl
• Exhaust camshaft position (cmp) actuator solenoid valve
• Exhaust camshaft position sensor (left rear of cylinder head)
• Fuel injector control 1
• Fuel injector control 2
• Fuel injector control 3
• Fuel injector control 4
• G104 (lower right rear of engine)
• Generator field duty cycle sig
• Ground
• Ho2s low sig bank 1 sens 1
• Hos high sig bank 1 sensor 1
• Hos high sig bank 1 sensor 2
• Hos low sig bank 1 sensor 1
• Hos low sig bank 1 sensor 2
• Hot w/ ign run relay energized
• Ign ctrl 1
• Ign ctrl 3
• Ignition control 2
• Ignition control 4
• Imtv control sig
• Imtv position sig
• Instrument panel fuse block (left end of dash)
• Intake camshaft position (cmp) actuator solenoid valve
• Intake camshaft position sensor (right rear of cylinder head)
• Knock sensor low reference 1
• Knock sensor sig 1
• Low ref
• Map sensor 5v ref
• Map sensor low ref
• Map sensor sig
• Oil pressure switch sig
• Starting/ charging system
• Throttle actuator ctrl close
• Throttle actuator ctrl open
• Throttle body (right front of engine, on intake manifold)
• Throttle position sensor 5v ref
• Throttle position sensor low ref
• Throttle position sensor sig 1
• Throttle position sensor sig 2

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Backup Lamps Wiring Diagram for Chevrolet Sonic LT 2012:

• (body harness, 11 cm behind breakout to front seats) j317
• (left side of transaxle) (m/t) backup lamp switch
• (under center console) g302
• 1.4l
• 1.8l
• Automatic transmission assembly
• Batt
• Body control module (left end of dash)
• Computer data lines system
• Control solenoid valve assembly
• Engine control module (ecm) (left side of engine compt)
• Fuse 5a
• G104 (1.4l: rear of cylinder bank) (1.8l: lower right rear of engine)
• G400 (right "c" pillar)
• G401 (left "c" pillar)
• Gnd
• Ground distribution system
• Hot at all times
• J110
• J402
• J403
• Left backup lamp
• Left tail lamp assembly
• Low spd gmlan serial data x2
• Park/neutral sig 1
• Red
• Reverse sw sig
• Right backup lamp
• Right tail lamp assembly
• Serial data (+) 1
• Serial data (-) 1
• Sig a
• Sig b
• Sig c
• Sig p
• Trans- mission internal mode switch
• Transmission control module
• Underhood fuse block (next to left front strut tower)
• X405
• X406

Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• (body harness, 3 cm
• (hatchback: license plate lamp harness, 24 cm fr0nt right license plate lamp) (notchback: license plate lamp harness, 21 cm fr0nt right license lamp)
• Auto
• Batt
• Bcm 5 fuse 25a
• Before breakout
• Body control module (left end of dash)
• Center high mounted stop lamp
• Chmsl sply volt
• Computer data lines system
• G101 (right front corner of engine compt)
• G301 (under center console)
• G302 (under center console)
• G401 (left "c" pillar)
• Ground
• Hatchback
• Haz sw left turn sig
• Haz sw right turn sig x3
• Hazard led dimming sig
• Hazard sw sig
• Hazard warning switch
• Head
• Headlamp sw park lp sig
• Headlamp switch
• Hot at all times
• Instrument panel fuse block (left end of dash)
• J124
• J236
• J313
• J314
• J334
• J900
• J902
• J903
• Left license plate lamp
• Left prk lp sply volt
• Lf turn sig lp sply volt
• Low ref x1
• Low spd gmlan ser data
• Lr turn sig lp sply volt
• Lt rr prk lmp sply volt
• Notchback
• Off
• Park
• Rf turn sig lp sply volt
• Right license plate lamp
• Right park/turn signal lamp
• Rr license lamp sply volt
• Rr prk lmp sply volt
• Rr turn sig lp sply volt
• Rt prk lmp sply volt
• To front seats)
• Underhood fuse block (next to left front strut tower)
• X900
• X901

Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (left side of engine compt) engine control module (ecm)
• (not used)
• (right "c" pillar)
• 1.4l
• 1.8l
• A/t
• Brake pedal position sensor (top of brake pedal assembly)
• Brk position sens 5 volt
• Brk position sens sig x1
• Computer data lines system
• G100 (left front corner of engine compt)
• G301 (under center console)
• G400
• G401 (left "c" pillar)
• Gnd
• Ground distribution system
• Hi spd gmlan
• Hi spd gmlan serial data (-) 1
• Hot w/ ignition run relay energized
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• Ipc-aos fuse 10a
• J123
• J202
• J236
• J334
• J335
• J402
• J403
• J408
• J409
• Left
• Left park/turn signal lamp
• Left rear side marker lamp
• Left rear turn signal lamp
• Left tail lamp assembly
• Left tail/ stop lamp
• Left turn ind
• Logic
• Low refr
• M/t
• Power distribution system
• Red
• Right
• Right rear side marker lamp
• Right rear turn signal lamp
• Right tail lamp assembly
• Right tail/ stop lamp
• Right turn ind
• Run/crank ignition 1 volt
• Serial data
• Serial data (+) 1
• Turn signal/ multi-function switch
• X101
• X202
• X405
• X406

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 5) for Chevrolet Sonic LT 2012

List of elements for Ground Distribution Wiring Diagram (1 of 5) for Chevrolet Sonic LT 2012:

• (1.4l) underhood relay block
• (if equipped) left front fog lamp
• (if equipped) passenger presence detection module
• (left front corner of engine compt)
• (right kick panel)
• (under center console)
• (w/ manual folding mirrors) passenger outside rearview mirror
• 1.4l
• 1.8l
• B x2
• Battery
• Battery current sensor
• Body control module
• Cigarette lighter receptacle
• Cooling fan motor
• Cooling fan relay
• D x1
• D x110
• G100
• G105 (left front of engine compt)
• G106 (left rear of engine block)
• G300
• G302
• G304
• G307 (left kick panel)
• Horn
• Hvac control module
• Inflatable restraint sensing & diagnostic module
• J123 (forward lamp harness, 5 cm left of breakout to g100)
• J134
• J336 (center console harness, 7.5 cm before breakout
• J600 (w/ manual folding mirrors) (passenger door harness, 14 cm before breakout to passenger window motor)
• Left high beam headlamp
• Left low beam headlamp
• Left park/ turn signal lamp
• Lfet headlamp
• Nca
• Passenger door latch assembly
• Power steering control module
• To g301)
• X201
• X302
• X600

Ground Distribution Wiring Diagram (2 of 5) for Chevrolet Sonic LT 2012

List of elements for Ground Distribution Wiring Diagram (2 of 5) for Chevrolet Sonic LT 2012:

• (if equipped) driver knee air bag
• (if equipped) passenger knee air bag
• (if equipped) transmission shift lever
• (left end of dash) instrument panel fuse block
• (w/ automatic electronic cruise control) left steering wheel controls switch
• (w/ electrical unauthorized entry theft deterrent) ambient light sensor
• Accessory relay
• Blower motor relay
• Center console multi-function switch
• Data link connector
• Driver door lock switch
• G301 (under center console)
• Hazard warning switch
• Headlamp switch
• Horn switch
• Hvac control module
• Instrument cluster
• J202 (instrument panel harness, 6 cm above breakout to hazard & lock switch)
• J203 (instrument panel harness, 22.5 cm above breakout to hazard & lock switch)
• J222 (steering wheel harness, inside steering wheel)
• J236 (instrument panel harness, 20 cm left of breakout to accelerator & brake pedal position sensors)
• Multi- axis acceleration sensor
• Passenger air bag disable indicator
• Radio
• Right steering wheel controls switch
• Steering wheel air bag coil
• Steering wheel angle sensor
• Telematics communication interface control module
• Turn signal/ multi-function switch
• W/ vehicle communi- cation system
• W/o vehicle communi- cation system
• X210
• X211

Ground Distribution Wiring Diagram (3 of 5) for Chevrolet Sonic LT 2012

List of elements for Ground Distribution Wiring Diagram (3 of 5) for Chevrolet Sonic LT 2012:

• (hatchback) rear wiper motor
• (if equipped) right front fog lamp
• (right front of engine compt)
• (w/ electrical unauthorized entry theft deterrent hood ajar switch
• A x900
• Center high mounted stop lamp
• D x120
• G101
• G401 (left "c" pillar)
• Hatchback
• J124 (forward lamp harness, 12 cm left of breakout to x120)
• J135
• J334 (body harness, 12 cm left of breakout to x301)
• J402
• J408
• J900 (hatchback: liftgate harness, 4 cm left of breakout to x901) (notchback: decklid harness, 6 cm from breakout to rear compt lid latch)
• J903 (hatchback: license plate lamp harness, 29 cm from right license plate lamp) (notchback: license plate lamp harness, 26 cm from right license lamp)
• Left backup lamp
• Left license plate lamp
• Left rear door latch assembly
• Left rear side marker lamp
• Left rear turn signal lamp
• Left tail lamp assembly
• Left tail/stop lamp
• Liftgate latch
• Liftgate unlatch switch
• Notchback
• Rear compartment courtesy lamp
• Rear compartment lid latch
• Rear compartment lid unlatch switch (exterior)
• Rear defogger grid
• Right headlamp
• Right high beam headlamp
• Right license plate lamp
• Right low beam headlamp
• Right park/ turn signal lamp
• X405 d
• X700
• X900
• X901

Ground Distribution Wiring Diagram (4 of 5) for Chevrolet Sonic LT 2012

List of elements for Ground Distribution Wiring Diagram (4 of 5) for Chevrolet Sonic LT 2012:

• (1.4l) multifunction intake air sensor
• (1.8l) mass air flow/intake air temperature sensor
• (1.8l: engine harness, 7 cm into plastic harness protector) (1.4l: engine harness, 5 cm into plastic harness protector) j122
• (if equipped)
• (left end of dash) instrument panel fuse block
• (left kick panel)
• (manual a/c) a/c compressor clutch
• (next to left front strut tower) underhood fuse block
• (notchback) rear compartment lid unlatch relay
• (w/ manual folding mirrors) driver outside rearview mirror
• (w/ manual folding mirrors) outside rearview mirror switch
• (w/ power window) driver window motor
• 1.8l
• A x1
• A/t
• Automatic a/c & m/t
• Automatic transmission assembly
• B3 x3
• Backup lamp switch
• Body control module
• Brake fluid level switch
• Control solenoid valve assembly
• Driver door latch assembly
• Driver window switch
• Engine control module
• Front dome/ reading lamps
• G104 (1.4l: rear of cylinder bank) (1.8l: lower right rear of engine)
• G303
• Ignition coil module
• Intake manifold tuning solenoid valve
• J110 (engine harness, at breakout to rear of engine)
• J302 (headliner harness, 7 cm left of breakout to sunroof switch)
• J327 (body harness, 11 cm behind breakout to g303)
• J500 (driver door harness, 5 cm into breakout to window switch)
• M/t
• Manual a/c & a/t
• Manual folding mirrors
• Nca
• Seat heating control module
• Starter relay
• Sunroof control module
• W/ electronic side door w/o power window &
• W/ interior roof lamp, courtesy & dual reading lamps
• W/ power window & manual folding mirrors
• W/ sunroof control
• W/o interior roof lamp, courtesy & dual reading lamps
• W/o sunroof control
• X202
• X208
• X301
• X500

Ground Distribution Wiring Diagram (5 of 5) for Chevrolet Sonic LT 2012

List of elements for Ground Distribution Wiring Diagram (5 of 5) for Chevrolet Sonic LT 2012:

• (hatchback) rear window washer pump relay
• (hatchback) rear wiper relay
• (left kick panel)
• (left rear of engine compt)
• (next to left front strut tower) underhood fuse block
• 1.4l
• 87a
• Assembly plant abs data connector
• Brake booster pump motor
• D x406
• Door lock security relay
• Electronic brake control module
• Fuel pump control module
• Fuel pump relay
• G102
• G103 (left front corner of engine compt)
• G201
• G204
• G400 (right "c" pillar)
• H3 x1
• Ignition run relay
• J114 (body harness, 14.5 cm left of breakout to brake fluid level switch)
• J139 (body harness, in breakout to battery current sensor)
• J335 (body harness, 10 cm before breakout to underbody pass-through)
• J403
• J409
• Passenger instrument panel air bag
• Rear defogger relay
• Right backup lamp
• Right rear door latch assembly
• Right rear side marker lamp
• Right rear turn signal lamp
• Right tail lamp assembly
• Right tail/stop lamp
• Windshield washer pump (notchback)
• Windshield washer pump relay
• Windshield wiper motor
• Windshield wiper relay
• Windshield wiper speed control relay
• X2 c5
• X800

HEADLIGHTS

Headlights Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Headlights Wiring Diagram for Chevrolet Sonic LT 2012:

• (base of parking brake assembly) park brake switch
• (forward lamp harness, 2 cm before breakout to x110) j125
• Ambient light/ sunload sensor (top front center of dash)
• Ambient lt sens sig
• Auto
• Batt positive volt
• Battery fuse block (next to left front strut tower)
• Bcm 5 fuse 25a
• Body control module (bcm) (left end of dash)
• Computer data lines system
• Cruise control system
• Dim sw hi beam sig
• Dimmer switch
• Driver inform- ation center(dic) display
• Drl ind
• Flash
• Flash to pass sig
• Fog lp relay ctrl
• Front fog lamp ind
• Front fog lamp relay
• Front fog lamp switch
• Frt fog fuse 15a
• Fuse 150a
• G100 (left front corner of engine compt)
• G101 (right front of engine compt)
• G11
• G301 (under center console)
• Ground
• Hdlp off sig ctrl
• Hdlp sw on sig
• Hdlp sw prk lp sig
• Head
• Head- lamp high beam relay
• Head- lamp on ind
• Headlamp switch
• Hi beam relay ctrl
• High
• High beam ind
• High beam lh 10a
• High beam rh 10a
• High beam switch
• Hot at all times
• Hot w/ ignition run relay energized
• Ign
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• Ipc aos fuse 10a
• J10
• J123
• J124
• J134
• J135
• J202
• J212 (instrument panel harness, 2.5cm right of breakout to body control module)
• J236
• Left front fog lamp
• Left headlamp
• Left high beam headlamp
• Left low beam headlamp
• Lh low beam volt
• Light ctrl sw ref
• Light ctrl sw sig
• Lo spd
• Lo spd gmlan
• Logic
• Low
• Off
• Park
• Power distribution system
• Prk brk sw sig
• Rear fog lamp switch
• Rh low beam volt
• Right front fog lamp
• Right headlamp
• Right high beam headlamp
• Right low beam headlamp
• Ser data gmlan
• Serial data
• Turn signal/ multi-function switch
• Underhood fuse block (next to left front strut tower)
• X110
• X120

HORN

Horn Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Horn Wiring Diagram for Chevrolet Sonic LT 2012:

• Battery fuse block (next to left front strut tower)
• Body control module (left end of dash)
• Fuse 4 150a
• G100 (left front corner of engine compt)
• G301 (under center console)
• Horn (front of left frame member)
• Horn fuse 15a
• Horn relay
• Horn rly ctrl x5
• Horn sw sig x3
• Horn switch
• Hot at all times
• J123
• J222
• Steering wheel air bag coil (top of steering column)
• Underhood fuse block (next to left front strut tower)
• X2 g10

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• (under center console) g301
• Abs ind
• Adjustable pedals ind
• Air bag ind
• Batt positive volt
• Brake ind
• Brake warning ind
• Center sw sig
• Charging ind
• Check engine ind ctrl
• Computer data lines system
• Cruise ind
• Dn sw
• Door ajar ind
• Driver information
• Driver information center (dic) display
• Driver information center select menu sw sig
• Electronic power steering ind
• Engine controls system
• Engine coolant
• Fog lamps ind
• Gnd
• High beam ind
• Hot at all times
• Hot w/ ignition run relay energized
• Ign volt
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• Ipc aos fuse 10a
• Ipc fuse 10a
• J202
• Left turn ind
• Lights on ind
• Lo ref
• Lo spd gmlan serial data
• Logic
• Low fuel warning lamp ind
• Malfunction ind
• Master lighting ind
• Menu switch
• Monitor ind
• Oil level ind
• Outside ambient
• Outside ambient air
• Park lamps ind
• Parking ind
• Power distribution system
• Reduce engine power ind
• Right turn ind
• Seat belt ind
• Security ind
• Set-
• Speedometer
• Temp sens lo ref
• Temp sensor signal
• Temperature ind
• Tire pressure
• Turn signal/ multi-function switch
• Up sw
• Wait to start ind ctrl
• X100
• X202

Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (base of parking brake assembly) park brake switch
• (w/ power window & power mirrors) j500
• 1.4l
• 1.8l
• Ambient air temperature sensor (right side of front grille)
• Body control module (left end of dash)
• Brake fluid level switch (master cylinder assembly)
• Brk fluid lvl
• Computer data lines system
• Driver door latch assembly
• Driver window motor
• Electronic brake control module (left rear of engine compt)
• Engine control module (ecm) (left side of engine compt)
• Engine controls system
• Engine oil pressure switch (1.4l: left rear of engine) (1.8l: lower left front of engine)
• Fuel lvl sens sig
• Fuel pump & level sensor assembly (top of fuel tank)
• G303 (left kick panel)
• G304 (right kick panel)
• G400 (right "c" pillar)
• G401 (left "c" pillar)
• Hatchback
• J303 (w/ emission system)
• J334
• J335
• J600
• J900
• Left rear door latch assembly
• Lf door ajar sw sig
• Lf dr ajar switch sig
• Lift gate ajar sw sig
• Liftgate latch
• Low ref
• Lr dr ajar switch sig
• Network bus 3
• Notchback
• Oil pressure switch signal x2
• Park brake switch sig
• Passenger door latch assembly
• Rear compartment lid latch
• Rf dr ajar switch sig
• Right rear door latch assembly
• Rr dr ajar switch sig
• Serial data
• Up/down
• W/ express
• W/o express
• X101
• X102
• X105
• X401
• X500
• X600
• X700
• X800
• X900

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Courtesy Lamps Wiring Diagram for Chevrolet Sonic LT 2012:

• (headliner harness, 13 cm from breakout to 2nd row dome/reading lamps) j217
• (headliner harness, 8 cm from breakout to 2nd row dome/reading lamps) j218
• 2nd row dome/reading lamps
• Battery pos volt
• Body control module (left end of dash)
• Bus 3
• Computer data lines system
• Driver door latch assembly
• Driver window motor
• Front dome/reading lamps
• Fuse 4 5a
• G303 (left kick panel)
• G304 (right kick panel)
• G400 (right "c" pillar)
• G401 (left "c" pillar)
• Ground
• Hatchback
• Hot at all times
• Interior lamp ctrl
• J302
• J327
• J334
• J335
• J500
• J600
• J900
• Left front door ajar sw sig
• Left rear door ajar sw sig
• Left rear door latch assembly
• Lift gate ajar sw sig (1)
• Liftgate latch
• Network 3
• Notchback
• Passenger door latch assembly
• Pwr ctrl
• Rear compartment courtesy lamp
• Rear compartment lid latch
• Right front door ajar sw sig
• Right rear door ajar sw sig
• Right rear door latch assembly
• Sw sig
• Trunk lp ctrl
• Underhood fuse block (next to left front strut tower)
• W/ axg
• W/ interior roof lamp courtesy & dual reading lamps
• W/o axg
• W/o interior roof lamp courtesy & dual reading lamps
• X208
• X500
• X600
• X700
• X800
• X900

Instrument Illumination Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Instrument Illumination Wiring Diagram for Chevrolet Sonic LT 2012:

• (instrument panel harness, 2.5 cm right of breakout to body control module) j212
• 6 speed a/t
• Auto
• Batt pos volt
• Bcm 5 25a
• Body control module (left end of dash)
• Center console multi-function switch
• Computer data lines system
• Cruise control system
• Dim sig
• Dimmer sw +
• Dimmer sw -
• Driver door lock switch
• Electrical theft deterrent
• Front fog lp sw
• Fuse 2a
• G301 (under center console)
• Hazard led
• Hazard warning switch
• Hdlp sw on sig x1
• Head
• Headlamp switch
• Hedlmp sw off sig ctrl x1
• Hot at all times
• Hvac control module
• Illumination
• Ind dim ctrl
• Ins panel lamp dimming ctrl x6
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J202
• J214 (instrument panel harness, 16.5 cm above breakout to hazard & lock switch)
• J222
• J236
• J300
• Led backlight dimming ctrl x2
• Left steering wheel control switch
• Lighting ctrl sw ref x3
• Lighting ctrl sw sig
• Logic
• Low spd gmlan serial data
• Network 3
• Off
• Park
• Rear fog lp sw
• Right steering wheel control switch
• Steering wheel air bag coil (top of steering column)
• Transmission shift lever position indicator
• X202

NAVIGATION

Navigation Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for Navigation Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• (body harness, 19.5 cm below x500) j230
• (body harness, 4.5 cm into breakout to x208) j209
• (headliner harness, 5 cm above breakout to left front tweeter) j233
• (instrument panel harness, 6 cm from breakout to radio) j229
• (under center console) g301
• (w/ vehicle communication system) j203
• Audio fuse 15a
• Aux audio common signal 2
• Aux detection sig
• Battery positive volt
• Cellular phone & digital radio antenna (w/ short range wireless interface digital audio system)
• Cellular tel microphone sig
• Cellular tel voice
• Cellular tel voice sig
• Cellular telephone microphone (behind dome light bezel)
• Coax
• Computer data lines system
• Digital radio antenna (digital audio system)
• Gnd
• Ground
• Hot at all times
• Instrument panel fuse block (left end of dash)
• J225
• J231
• Left aux audio signal 2
• Left front door speaker
• Left front tweeter speaker
• Lf speaker (+) (1)
• Lf speaker sig (-) (1)
• Lo spd gmlan serial data
• Low ref
• Low reference
• Lr speaker (+)
• Lr speaker sig (-)
• Nca
• Radio
• Radio antenna
• Rf speaker (+) (1)
• Rf speaker sig (-) (1)
• Rh aux audio signal 2
• Right front door speaker
• Right front tweeter speaker
• Rr speaker (+)
• Rr speaker sig (-)
• Vlbs fuse 10a
• X202
• X205
• X206 bk
• X208
• X500
• X600

Navigation Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for Navigation Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (instrument panel harness, 11.5 cm into breakout to telematics control module)
• (instrument panel harness, 2.5 cm right of breakout body control module)
• (instrument panel harness, 7 cm into breakout to radio) j211
• Aux audio common sig 2
• Auxiliary audio input (if equipped)
• Batt+ volt
• Body control module (left end of dash)
• Cellular tel voice low ref
• Cellular tel voice sig
• Computer data lines system
• Cruise control system
• Detection sig aux
• Down seek
• Drain wire
• Hi spd gmlan serial data (-) 1
• Interior lights system
• J201
• Left aux audio sig 2 x1
• Left rear door speaker (w/ 6 speaker system)
• Lighting ctrl sw ref
• Mute
• Nca
• Resistor ladder steering wheel
• Right aux audio
• Right rear door speaker (w/ 6 speaker system)
• Right steering wheel controls switch
• Serial data (+) 1 hi spd gmlan
• Sig
• Source
• Steering wheel air bag coil (top of steering column)
• Telematics communication interface control module (tcicm) (w/ onstar) (behind right side of dash)
• Up seek
• Usb
• Voice
• Vol +
• Vol -
• X202
• X700
• X800

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Chevrolet Sonic LT 2012

List of elements for Power Distribution Wiring Diagram (1 of 4) for Chevrolet Sonic LT 2012:

• (6 cm left of breakout to accelerator & brake pedal position sensors)
• (next to left strut tower) underhood fuse block
• (not used)
• 1.4l
• 1.8l
• Abs oil fuse 5a
• Abs pump fuse 40a
• Abs valve fuse 30a
• Aos/ros fuse 6a
• Automatic transmission assembly (a/t)
• Battery
• Battery current sensor
• Battery fuse block (next to left front strut tower)
• Blower fuse 40a
• Blower motor
• Blower motor relay
• Body control module
• Brake booster pump motor
• Coil fuse 20a
• Control solenoid valve assembly
• D10
• Ecm 1 fuse 10a
• Ecm 2 fuse 20a
• Ecm 4 fuse 10a
• Ecm fuse 15a
• Electronic brake control module
• Engine control module
• Engine controls ignition relay
• Engine coolant thermostat heater
• Evaporative emission purge solenoid valve
• Evaporative emission vent solenoid valve (if equipped)
• Evp fuse 20a
• Flux fuel fuse 10a
• Fscm 1 fuse 20a
• Fuel pump control module
• Fuse 10a
• Fuse 150a
• Fuse 25a
• Fuse 4 5a
• Fuse 400a
• Fuse 40a
• Fuse 5a
• Fuse 80a
• Generator
• Heated seat front fuse 25a
• Hvac control module
• Instrument panel fuse block
• Intake manifold tuning solenoid valve
• J133 (1.4l: 7.5 cm below breakout to fuel injectors) (1.8l: 14 cm from breakout to manifold tuning solenoid)
• J224
• Mass air flow/intake temperature sensor
• Multifunction intake air sensor (1.4l)
• Osrvm fuse 7.5a
• Outside rearview mirror switch (if equipped)
• Passenger presence detection module (if equipped)
• Power steering control module
• Run/ crank iec fuse 30a
• Seat heating control module (if equipped)
• Starter motor
• Starter relay
• Sunroof control module (if equipped)
• Sunroof fuse 20a
• Tcm fuse 15a
• To a/c compressor clutch realy (diagram 2 of 4)
• To fuse 5 (diagram 3 of 4)
• To injector fuse (diagram 2 of 4)
• To spare relay (diagram 2 of 4)
• Transmission control module
• Turbocharger bypass solenoid valve (1.4l)
• Turbocharger wastegate solenoid valve (1.4l)
• X2 a
• X201
• X202
• X208
• X301
• X302
• X401
• X500

Power Distribution Wiring Diagram (2 of 4) for Chevrolet Sonic LT 2012

List of elements for Power Distribution Wiring Diagram (2 of 4) for Chevrolet Sonic LT 2012:

• (1.4l: 13.5 cm above breakout to alternator) (1.8l: 11 cm above breakout to starter motor)
• (1.4l: 5 cm into plastic harness protector) (1.8l: 4.5 cm into breakout to engine control module)
• (5 cm into breakout to underhood fuse block) j128
• (fuel injector harness, 15 cm right of x160) (1.8l) j102
• (info not available)
• (not used)
• 1.4l
• 1.8l
• A/c compressor clutch relay
• A/t
• Ac clutch fuse 10a
• Automatic transmission assembly (a/t)
• B12
• Brake booster vacuum switch
• Control solenoid valve assembly
• Cooling fan fuse 30a
• Cooling fan fuse 40a
• Cooling fan high speed relay
• Cooling fan low speed relay
• Cooling fan medium speed relay (1.4l)
• Cooling fan relay
• Cooling fan speed control relay
• Ecm 3 fuse 10a
• Ecm/tcm fuse 10a
• Engine control module
• From coil fuse (diagram 1 of 4)
• From ecm 4 fuse (diagram 1 of 4)
• From fuse 46 (diagram 1 of 4)
• Front fog lamp relay
• Frt wiper fuse 30a
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel pump control module
• Fuel pump fuse 20a
• Fuel pump relay
• Fuse 10a
• Fuse 30a
• Fuse 40a
• G102 (left rear of engine compt)
• G12
• Hatch back
• Headlamp high beam relay
• Heated oxygen sensor 1
• Heated oxygen sensor 2
• Horn relay
• Ignition coil module
• Ignition run relay
• Injector fuse 15a
• J11
• J117
• J12
• J130
• J139
• M/t
• Nca
• Rear defogger relay
• Rear window washer pump relay
• Rear wiper fuse 20a
• Rear wiper motor (if equipped)
• Rear wiper relay
• Rvc fuse 10a
• Spare relay
• To body control module (diagram 4 of 4)
• To splice j215 (diagram 3 of 4)
• Transmission control module
• Underhood fuse block (next to left front strut tower)
• Underhood relay block
• Washer fuse 10a
• Windshield washer pump relay
• Windshield wiper relay
• Windshield wiper speed control relay
• X1 b6
• X1 x1
• X160
• X2 j8
• X202
• X3 d4
• X900

Power Distribution Wiring Diagram (3 of 4) for Chevrolet Sonic LT 2012

List of elements for Power Distribution Wiring Diagram (3 of 4) for Chevrolet Sonic LT 2012:

• (9 cm from breakout to x202) j215
• (left end of dash) instrument panel fuse block
• (not used)
• 10a
• 7.5a
• Air bag fuse 10a
• Air bag runcrank fuse 10a
• Audio fuse 15a
• Battery fuse block (next to left strut tower)
• Bcm 1 fuse 20a
• Bcm 2 fuse 20a
• Bcm 3 fuse 30a
• Bcm 4 fuse 30a
• Bcm 5 fuse 25a
• Bcm 6 fuse 20a
• Bcm 7 fuse 20a
• Bcm 8 fuse 30a
• Body control module
• Chevy- star fuse 10a
• Clutch pedal position switch
• Clutch sw fuse
• Data link connector
• Dcdc conv fuse 30a
• Dic fuse 10a
• Dlc fuse 15a
• Dlis fuse 2a
• Driver window motor (if equipped)
• From a fuse 4 (diagram 1 of 4)
• From f bcm 8 fuse (diagram 3 of 4)
• From fuse 34 (diagram 2 of 4)
• Fuse 80a
• Hdlpacap fuse
• Headlamp switch
• Hvac control module
• Hvac fuse 10a
• Inflatable restraint sensing & diagnostic module
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• Ipc aos fuse 10a
• Ipc fuse 10a
• L gate fuse 10a
• Liftgate unlatch relay (hatchback)
• M/t
• Onstar fuse 10a
• Passenger air bag disable indicator
• Ptc 1 fuse 40a
• Ptc 2 fuse 60a
• Pwr wndw fuse 20a
• Radio
• Rear compartment lid unlatch relay (notchback)
• Spare fuse 20a
• Telematics communication interface control module (w/ onstar)
• To accessory relay (diagram 4 of 4)
• To ignition switch (diagram 4 of 4)
• To spare fuse (diagram 3 of 4)
• Trailer fuse 20a
• Trailer run/crank fuse 10a
• Urpa fuse 10a
• Vlbs fuse 10a
• X202
• X500

Power Distribution Wiring Diagram (4 of 4) for Chevrolet Sonic LT 2012

List of elements for Power Distribution Wiring Diagram (4 of 4) for Chevrolet Sonic LT 2012:

• (6 cm behind breakout to front seats) j331
• (7.5 cm left of breakout to manifold absolute pressure sensor) j101
• (left end of dash) instrument panel fuse block
• (not used)
• 1.4l
• 1.8l
• A/t
• Acc
• Accessory relay
• Accessory voltage
• Accessory wakeup serial data
• Automatic transmission assembly (a/t)
• Body control module
• Cigar apo fuse 20a
• Cigar lighter receptacle
• Control solenoid valve assembly
• D11 x2
• Driver window switch (if equipped)
• Engine control module
• From instrument panel fuse block (diagram 3 of 4)
• From onstar fuse (diagram 3 of 4)
• From underhood fuse block (diagram 2 of 4)
• Front pwr wndw fuse 25a
• G301 (under center console)
• G302 (under center console)
• H5 x3
• Ignition key resistor sig
• Ignition switch
• J236
• J336
• M/t
• Off
• Off/run/crank voltage
• Passenger window switch (if equipped)
• Rap rly coil ctrl
• Rear pwr wndw fuse 25a
• Run
• Run relay coil ctrl
• Run/crank ignition 1 voltage
• S/roof sw fuse 10a
• Spare fuse 10a
• Spare fuse 20a
• Start
• Sunroof control module
• Sunroof switch
• Transmission control module
• Underhood fuse block (next to left strut tower)
• W/ sunroof
• X202
• X208
• X500
• X600

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for Power Door Locks Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• & power mirrors
• (body harness, 10 cm left of breakout to park brake switch) j329
• (center front of engine compt) hood ajar switch
• A (not used)
• Ambient light sensor (w/o electrical unauthorized entry theft deterrent) (top front center of dash)
• Batt positive volt
• Batt post volt
• Bcm 1 fuse 20a
• Bcm 5 fuse 25a
• Bcm 8 fuse 30a
• Body control module (left end of dash)
• Center console multi-function switch
• Child lockout ind
• Child security lock ind
• Child security lock motor status sig lr
• Child security lock motor status sig rr
• Child security lock rly ctrl
• Child security lock sw sig
• Child security lock switch
• Computer data lines system
• Door lock actuator lock ctrl
• Door lock actuator lock ctrl 2
• Dr lock actuator unlock ctrl
• Driver door latch assembly
• Driver door lock sw lock sig
• Driver door lock switch
• Exterior lights system
• G101 (right front of engine compt)
• G301 (under center console)
• G302 (under center console)
• G303 (left kick panel)
• G401 (left "c" pillar)
• Gnd
• Ground distribution system
• Hatchback
• Headlights system
• Hood ajar sw sig
• Horn relay ctrl
• Horns system
• Hot at all times
• Ind dimming ctrl
• Instrument panel fuse block (left end of dash)
• Interior lights system
• J202
• J236
• J300
• J327
• J500
• J900
• Lf rr door ajar sw sig
• Lh frt door ajar sw sig
• Lh gate ajar sw sig 1
• Lh hdlp low beam suply volt
• Lh park lamp suply volt
• Liftgate latch
• Network 3
• Notchback
• Rear compartment lid latch
• Remote control door lock receiver (front center of dash)
• Rfa rec sig
• Rfa ret
• Rfa sply vol
• Rfa sply volt
• Rfa trans sig
• Rh frt door ajar sw sig
• Rh hdlp low beam suply volt
• Rh park lamp suply volt
• Rr child security lock mtr status sig
• Security indicator ctrl
• Sw unlock sig
• Up/down
• W/ express
• W/ power window
• W/o express
• W/o power window
• X100
• X200
• X208
• X500
• X900

Power Door Locks Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for Power Door Locks Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (right "c" pillar) g400
• Computer data lines system
• Door lock security relay
• Driver information center display
• Driver window motor
• G102 (left rear of engine compt)
• G304 (right kick panel)
• G401 (left "c" pillar)
• Instrument cluster
• J139
• J322
• J328 (body harness, 15 cm left of breakout to park brake switch)
• J334
• J335
• J600
• J704
• J803
• Left rear door latch assembly
• Lf dr ajar sw sig
• Lo spd serial data
• Logic
• Network bus 3
• Passenger door latch assembly
• Right rear door latch assembly
• Security indicator
• Underhood fuse block (next to left front strut tower)
• X600
• X700
• X800

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Electrochromic Mirror Wiring Diagram for Chevrolet Sonic LT 2012:

• Batt positive volt
• Computer data lines system
• Emergency ind
• Emergency switch
• G301 (under center console)
• G303 (left kick panel)
• Gnd
• Green led ind
• Hi spd gmlan serial data
• Hot at all times
• Inside rearview mirror
• Instrument panel fuse block (left end of dash)
• J203
• J500
• Onstar switch
• Phone switch
• Red led
• Red led ind
• Sig
• Sply volt
• Telematics button assembly
• Telematics communication interface control module (behind right side of dash)
• Vlbs fuse 10a
• X200
• X208

Power Mirrors Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Power Mirrors Wiring Diagram for Chevrolet Sonic LT 2012:

• B10
• B11
• Driver
• Driver outside rearview mirror
• Driver outside rearview mirror glass (if equipped)
• Driver outside rearview mirror motor
• G303 (left kick panel)
• G304 (right kick panel)
• Hot at all times
• Hot w/ rear defogger relay energized
• J500
• J600
• Nca
• Osrvm fuse 7.5a
• Osrvm htd fuse 15a
• Outside rearview mirror switch
• Passenger
• Passenger outside rearview mirror
• Passenger outside rearview mirror glass (if equipped)
• Passenger outside rearview mirror motor
• Red
• Underhood fuse block (next to left front strut tower)
• X500
• X600

POWER SEATS

Power Seats Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Power Seats Wiring Diagram for Chevrolet Sonic LT 2012:

• Computer data lines system
• Cushion ntc sig
• Driver back seat heating element
• Driver cushion seat heating element
• Driver heated seat switch
• Drv htd bak ele ret
• Drv htd ntc low ref
• Drv htd seat ele volt
• Drv htd seat ntc sig
• G303 (left kick panel)
• Gnd
• Heated seat fuse 25a
• Hot at all times
• Hvac controls module
• J327
• Logic
• Low gmlan serl data
• Low speed gmlan
• Nca
• Pass htd bak ele ret
• Pass htd ntc low ref
• Pass htd seat volt
• Passenger back seat heating element
• Passenger cushion seat heating element
• Passenger heated seat switch
• Red
• Seat heating control module (under front of driver's seat)
• Serial data
• Underhood fuse block (next to left front strut tower)
• X301
• X302

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Power Top/Sunroof Wiring Diagram for Chevrolet Sonic LT 2012:

• (front center of roof)
• Bat+
• Fuse 10a
• G303 (left kick panel)
• Gnd
• Hot at all times
• Hot w/ accessory relay energized
• Instrument panel fuse block (left end of dash)
• J301
• J302
• Logic
• Run ign 3v
• S/roof sw
• Sunroof control module
• Sunroof fuse 20a
• Sunroof sw close sig
• Sunroof sw open sig
• Sunroof switch
• Underhood fuse block (next to left front strut tower)
• X2 c3
• X202
• X208

POWER WINDOWS

Power Windows Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Power Windows Wiring Diagram for Chevrolet Sonic LT 2012:

• (5.5 cm behind breakout to left side impact sensor)
• (left kick panel) g303
• Ajar sw sig
• Body control module (left end of dash)
• Door locks system
• Down
• Down sig
• Driver window motor
• Driver window switch
• Express sig
• G303 (left kick panel)
• Gnd
• Hot at all times
• Hot w/ accessory relay energized
• Instrument panel fuse block (left end of dash)
• J331
• J500
• J503 (driver door harness, 5 cm into breakout to window motor)
• Left rear window motor
• Left rear window switch
• Linear interconnect network bus 3
• Lock out
• Logic
• Network 3
• Passenger window motor
• Passenger window switch
• Pwr wndw front fuse 25a
• Pwr wndw fuse 20a
• Pwr wndw rear fuse 25a
• Right rear window motor
• Right rear window switch
• Up sig
• X202
• X500
• X600
• X700
• X800

RADIO

Radio Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for Radio Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• (body harness, 19.5 cm below x500) j230
• (body harness, 4.5 cm into breakout to x208) j209
• (headliner harness, 5 cm above breakout to left front tweeter) j233
• (instrument panel harness, 6 cm from breakout to radio) j229
• (under center console) g301
• (w/ vehicle communication system) j203
• Audio fuse 15a
• Aux audio common signal 2
• Aux detection sig
• Battery positive volt
• Cellular phone & digital radio antenna (w/ short range wireless interface digital audio system)
• Cellular tel microphone sig
• Cellular tel voice
• Cellular tel voice sig
• Cellular telephone microphone (behind dome light bezel)
• Coax
• Computer data lines system
• Digital radio antenna (digital audio system)
• Gnd
• Ground
• Hot at all times
• Instrument panel fuse block (left end of dash)
• J225
• J231
• Left aux audio signal 2
• Left front door speaker
• Left front tweeter speaker
• Lf speaker (+) (1)
• Lf speaker sig (-) (1)
• Lo spd gmlan serial data
• Low ref
• Low reference
• Lr speaker (+)
• Lr speaker sig (-)
• Nca
• Radio
• Radio antenna
• Rf speaker (+) (1)
• Rf speaker sig (-) (1)
• Rh aux audio signal 2
• Right front door speaker
• Right front tweeter speaker
• Rr speaker (+)
• Rr speaker sig (-)
• Vlbs fuse 10a
• X202
• X205
• X206 bk
• X208
• X500
• X600

Radio Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for Radio Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (instrument panel harness, 11.5 cm into breakout to telematics control module)
• (instrument panel harness, 2.5 cm right of breakout body control module)
• (instrument panel harness, 7 cm into breakout to radio) j211
• Aux audio common sig 2
• Auxiliary audio input (if equipped)
• Batt+ volt
• Body control module (left end of dash)
• Cellular tel voice low ref
• Cellular tel voice sig
• Computer data lines system
• Cruise control system
• Detection sig aux
• Down seek
• Drain wire
• Hi spd gmlan serial data (-) 1
• Interior lights system
• J201
• Left aux audio sig 2 x1
• Left rear door speaker (w/ 6 speaker system)
• Lighting ctrl sw ref
• Mute
• Nca
• Resistor ladder steering wheel
• Right aux audio
• Right rear door speaker (w/ 6 speaker system)
• Right steering wheel controls switch
• Serial data (+) 1 hi spd gmlan
• Sig
• Source
• Steering wheel air bag coil (top of steering column)
• Telematics communication interface control module (tcicm) (w/ onstar) (behind right side of dash)
• Up seek
• Usb
• Voice
• Vol +
• Vol -
• X202
• X700
• X800

SHIFT INTERLOCK

Ignition Lock Solenoid Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Ignition Lock Solenoid Wiring Diagram for Chevrolet Sonic LT 2012:

• (under center console) g302
• 1.4l
• 1.8l
• A/t
• Accessory voltage
• Battery pos volt
• Bcm 5 fuse 25a
• Body control module (bcm) (left end of dash)
• Brake pedal position sensor (top of brake pedal assembly)
• Brk aply snsr
• Brk aply snsr sig
• Brk pos sen low ref
• Brk pos snsr sig
• Brk position snsr 5v
• Computer data lines system
• Engine control module (ecm) (left side of engine compt)
• G301 (under center console)
• Gnd
• Hi spd gmlan +
• Hi spd gmlan -
• Hot at all times
• Instrument panel fuse block (left end of dash)
• J202
• Key capture solenoid actuator (on steering column)
• Low ref
• M/t
• Parking position switch
• Transmission shift lever
• X101
• X202

Shift Interlock Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Shift Interlock Wiring Diagram for Chevrolet Sonic LT 2012:

• (under center console) g302
• 1.4l
• 1.8l
• Automatic transmission assembly
• Battery pos volt
• Bcm 5 fuse 25a
• Body control module (bcm) (left end of dash)
• Brake pedal position sensor (top of brake pedal assembly)
• Brk aply snsr
• Brk aply snsr sig
• Brk pos snsr 5 vlt
• Brk pos snsr lo ref
• Brk pos snsr sig
• Computer data lines system
• Control solenoid valve assembly
• Engine control module (ecm) (left side of engine compt)
• G301 (under center console)
• Gnd
• Hi spd gmlan +
• Hi spd gmlan -
• Hot at all times
• Instrument panel fuse block (left end of dash)
• J202
• Low ref
• Prk lock solenoid ctrl x7
• Prk/neut sig 1
• Transmission control module (tcm)
• Transmission internal mode switch (ims)
• Transmission shift lever
• Transmission shift lock control solenoid actuator
• X101
• X202

STARTING/CHARGING

Charging Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Charging Wiring Diagram for Chevrolet Sonic LT 2012:

• 1.4l
• 1.8l
• Batt positive vol
• Battery
• Battery fuse block (next to left front strut tower)
• Body control module (left end of dash)
• Charge ind
• Computer
• Computer data lines system
• Current sensor sig
• Data lines system
• Driver information center display
• Engine control module (left side of engine compt)
• Fuse 2 400a
• Fuse 5a
• G105 (left front of engine engine compt)
• Gen turn on sig
• Generator
• Generator field duty cycle sig
• Gmlan serial data(+) x2
• Gmlan serial data(-)
• Ground
• High speed serial data(+)
• High speed serial data(-)
• Hot at all times
• Instrument cluster
• Logic
• Low ref
• Low spd gmlan serial data
• Starter motor
• Underhood fuse block (next to left front strut tower)

Starting Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Starting Wiring Diagram for Chevrolet Sonic LT 2012:

• 1.4l
• 1.8l
• Acc
• Automatic transmission assembly
• Battery
• Battery fuse block (next to left front strut tower)
• Body control module (left end of dash)
• Charging circuit
• Clutch pedal pedal position switch (m/t) (top of clutch pedal assembly)
• Clutch pedal pos sw sig
• Clutch pedal position sensor (m/t) (on clutch pedal assembly)
• Clutch sw fuse 7.5a
• Computer
• Computer data lines system
• Control solenoid valve assembly
• Data lines system
• Engine control module (left side of engine compt)
• Fuse 150a
• Fuse 400a
• G102 (left rear of engine compt)
• G104 (1.4l: rear of cylinder bank) (1.8l: lower right rear of engine)
• G105 (left front of engine compt)
• Gmlan serial data(+) x2
• Gmlan serial data(-)
• Hi spd gmlan serial data(+)
• Hi spd gmlan serial data(-)
• Hot w/ ignition run relay energized
• Ig key resistor sig
• Ign voltage
• Ignition switch
• Instrument panel fuse block (left end of dash)
• J122
• J128 (a/t)
• J139
• Lock
• Off/run/crank volt
• P/n sw sig
• Run
• Run/crank iec fuse 30a
• Rvc fuse 15a
• Start
• Starter motor
• Starter relay
• Str rly coil ctrl
• Transmission control module
• Transmission internal mode switch
• Underhood fuse block (next to left front strut tower)
• X101
• X202

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• (in steering wheel) steering wheel air bag
• (right side of dash) passenger instrument panel air bag
• Air bag fuse 10a
• Air bag ind
• Air bag run crank fuse 10a
• Aos/ros fuse 5a
• Batt positive volt
• Belt ind passenger seat
• Computer data lines system
• Driver information center display
• Driver knee air bag (if equipped) (under left side of dash)
• Driver seat belt ind
• Drv knee
• Drv knee mod hi ctrl
• Drv knee mod lo ctrl
• G204
• G300 (under center console)
• G301 (under center console)
• G304 (right kick panel)
• Gnd
• Ground
• Hot at all times
• Hot w/ ignition run relay energized
• Inflatable restraint sensing & diagnostic module (sdm) (under front of center console)
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• Ipc aos fuse 10a
• J202
• J236
• Left front impact sensor (left side of radiator support)
• Lo spd
• Lo spd gmlan serial data
• Logic
• Mod hi ctrl
• Module connector is disconnected from harness: (shorting bars are connected between following pins: 1-2, 3-4, 5-6, 7-8, 21-22 & 23-24)
• Nca
• Off ind
• On ind
• Pass air bag off ind ctrl
• Pass air bag on ind ctrl
• Pass ip mod stage 1 hi ctrl
• Pass ip mod stage 1 lo ctrl
• Pass ip mod stage 2 hi ctrl
• Pass ip mod stage 2 lo ctrl
• Pass knee mod hi ctrl
• Pass knee mod lo ctrl
• Pass knee mod lo ctrl x1
• Pass seat belt ind
• Passenger air bag disable indicator
• Passenger knee air bag (if equipped) (under right side of dash)
• Passenger presence detection module (if equipped)
• Passenger presence sensor (under passenger's seat)
• Pin shorting bars engaged when
• Pnk
• Power distribution system
• Right front impact sensor (right side of radiator support)
• Right front side impact sensor (inside bottom of passenger's door)
• Run/crank ign 1v
• Run/crank ign volt
• Shorting bar
• Steering wheel air bag coil (top of steering column)
• Steering wheel mod stage 1 hi ctrl
• Steering wheel mod stage 1 lo ctrl
• Steering wheel mod stage 2 hi ctrl
• Steering wheel mod stage 2 lo ctrl
• Tan
• Underhood fuse block (next to left front strut tower)
• X100
• X120
• X207
• X210
• X211
• X302
• X600

Supplemental Restraints Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (base of driver's seat belt buckle) driver seat belt anchor pretensioner
• (base of passenger's seat belt buckle) passenger seat belt anchor pretensioner
• (inside bottom of driver's doors) left front side impact sensor
• (left outside edge of roof) left roof rail air bag
• (left side of driver's seat back) driver seat air bag
• (right side of passenger's seat back) passenger seat air bag
• Driver seat belt buckle
• Driver seat belt retractor pretensioner (base of left "b" pillar)
• Driver seat belt switch
• Drv seat belt anchor pretensioner hi ctrl
• Drv seat belt anchor pretensioner lo ctrl
• Drv seat belt retractor pretensioner hi ctrl
• Drv seat belt retractor pretensioner lo ctrl
• Drv seat belt sw sig
• Drv side impact mod hi ctrl
• Drv side impact mod lo ctrl
• Inflatable restraint sensing & diagnostic module (sdm) (under front of center console)
• Info not available
• Left rear seat air bag (if equipped) (left side of left rear seat back)
• Left rear side impact sensor (if equipped) (base of left "b" pillar)
• Lf discriminating sens lo ref
• Lf discriminating sens sig
• Lf head curtain mod hi ctrl
• Lf head curtain mod lo ctrl
• Lf side impact sensing mod sig
• Lh middle side impact sensing mod lo ref
• Lh middle side impact sensing mod sig
• Lo ref
• Lr seat bolster air bag hi ctrl
• Lr seat bolster air bag lo ctrl
• Nca
• Pass seat belt anchor pretensioner hi ctrl
• Pass seat belt anchor pretensioner lo ctrl
• Pass seat belt reminder sig
• Pass seat belt retractor pretensioner hi ctrl
• Pass seat belt retractor pretensioner lo ctrl
• Pass seat belt sw sig
• Pass side impact mod hi ctrl
• Pass side impact mod lo ctrl
• Passenger seat belt buckle
• Passenger seat belt retractor pretensioner (base of right "b" pillar)
• Passenger seat belt switch
• Pin shorting bars engaged when module connect is disconnected from harness: (shorting bars are connected between following pins: 3-4, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 37-38, 39-40 & 53-54)
• Red
• Rf discriminating sen lo sig
• Rf discriminating sens lo sens lo ref
• Rf head curtain mod hi ctrl
• Rf head curtain mod lo ctrl
• Rf side impact sensing mod sig
• Rh middle side impact sensing mod lo ref
• Rh middle side impact sensing mod sig
• Right rear seat air bag (if equipped) (right side of right rear seat back)
• Right rear side impact sensor (if equipped) (base of right "b" pillar)
• Right roof rail air bag (right outside edge of roof)
• Rr seat bolster air bag hi ctrl
• Rr seat bolster air bag lo ctrl
• Shorting bar
• X301
• X302
• X500

TRANSMISSION

Transmission Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Transmission Wiring Diagram for Chevrolet Sonic LT 2012:

• (1.4l: rear of cylinder bank) (1.8l: lower right rear of engine)
• 1.4l
• 1.8l
• Automatic transmission assembly
• Body control module (bcm) (left end of dash)
• Center console multi-function switch
• Computer data lines system
• Control solenoid valve assembly
• Driver information center (dic)
• Econo
• Engine control module (ecm) (left side of engine compt)
• G104
• G301 (under center console)
• Gmlan
• Gmlan serial data (+) 1
• Gmlan serial data (-) 1
• Gmlan serial data (-) gmlan serial data (+)
• Gnd
• Hi spd gmlan ser data (+)
• Hi spd gmlan ser data (-)
• Hot at all times
• Hot w/ ignition run relay energized
• Ign
• Instrument cluster
• Iss high
• Iss low
• J122
• J128
• J202
• Logic
• Low ref
• Oss high
• Oss low
• P/n
• Park/ neutral sig
• Pc 1 solenoid
• Pc 2 solenoid
• Pc 3 solenoid
• Pc 4 solenoid
• Pc 5 solenoid
• Pressure control solenoid valve 1
• Pressure control solenoid valve 2
• Pressure control solenoid valve 3
• Pressure control solenoid valve 4
• Pressure control solenoid valve 5
• Red
• Rvc fuse 10a
• Shift solenoid valve 1
• Shift solenoid valve 2
• Ss 1
• Ss 2
• Tap up/tap down sw sig
• Tcc solenoid
• Tcm fuse 15a
• Tfp 1
• Tfp 3
• Tfp 4
• Tfp 5
• Tft
• Torque converter clutch pressure control solenoid valve
• Transmission control module
• Transmission fluid pressure manual valve position switch
• Transmission fluid temperature sensor
• Transmission input shaft speed sensor
• Transmission internal mode switch
• Transmission manual shift switch
• Transmission output shaft speed sensor
• Transmission shift lever
• Trns range sig a
• Trns range sig b
• Trns range sig c
• Trns range sig p
• Underhood fuse block (next to left front strut tower)
• Wakeup serial data
• Winter mode sw sig
• X200

TRUNK, TAILGATE, FUEL DOOR

Liftgate Release Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Liftgate Release Wiring Diagram for Chevrolet Sonic LT 2012:

• (left "c" pillar)
• Bcm 1 fuse 20a
• Body control module (left end of dash)
• Computer data lines system
• Driver information center display
• Endgate latch relay coil ctrl x5
• G401
• Hot at all times
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J900
• L gate fuse 10a
• Lift gate ajar switch signal (1)
• Lift glass/trunk mtr release ctrl x4
• Liftgate latch
• Liftgate unlatch relay
• Liftgate unlatch switch
• Lo spd gmlan serial data
• Logic
• Rear closure handle sw open sig
• X202
• X900

Trunk Release Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Trunk Release Wiring Diagram for Chevrolet Sonic LT 2012:

• (left "c" pillar)
• Bcm 1 fuse 20a
• Body control module (left end of dash)
• Computer data lines system
• Driver information center display
• Exterior rear compartment lid unlatch switch
• G303 (left kick panel)
• G401
• Hot at all times
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J327
• J900
• L gate fuse 10a
• Lift gate ajar switch signal (1)
• Lift glass/trunk mtr release ctrl
• Lo spd gmlan serial data
• Logic
• Rear closure handle sw open sig
• Rear compartment lid latch
• Rear compartment lid unlatch relay
• X202
• X900

WARNING SYSTEMS

Warning Systems Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012

List of elements for Warning Systems Wiring Diagram (1 of 2) for Chevrolet Sonic LT 2012:

• Acc
• Auto
• Bcm 5 fuse 25a
• Body control module (left end of dash)
• Brake ind
• Computer data lines system
• Dlis fuse 2a
• Driver information center (dic) display
• Driver window motor
• G301 (under center console)
• Gnd
• Head
• Headlamp sw park lp sig x1
• Headlamp switch
• Hi spd gmlan serial data(+)
• Hi spd gmlan serial data(-)
• Hot at all times
• Hot w/ ign run relay energized
• Ignition switch
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• Ipc aos fuse 10a
• J202
• J236
• Key in ignition switch
• Lf door haz sw
• Lf door haz sw sig
• Lift gate haz sw sig
• Lo spd gmlan serial data
• Logic
• Low tire pressure ind
• Lr door haz sw sig
• Network bus 3
• Off
• Off/run/crank volt
• Park
• Park brake switch (base of parking brake assembly)
• Park brk sw sig
• Rf door haz sw sig
• Rr door haz sw sig x7
• Run
• Run/crank ign1 volt
• Seat belt ind lp
• Start
• W/ express up/down
• W/o express up/down
• X500
• X600
• X700
• X800

Warning Systems Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012

List of elements for Warning Systems Wiring Diagram (2 of 2) for Chevrolet Sonic LT 2012:

• (left kick panel)
• (left rear of engine compt)
• (right kick panel)
• Brake fluid level switch (master cylinder assembly)
• Brk fluid lvl sen sig
• Computer data lines system
• Driver door latch assembly
• Driver seat belt buckle
• Driver seat belt sw sig
• Driver seat belt switch
• Electronic brake control module
• G301 (under center console)
• G303
• G303 (left kick panel)
• G304
• G400 (right "c" pillar)
• G401 (left "c" pillar)
• Hatchback
• Hi spd gmlan serial data(+)
• Hi spd gmlan serial data(-)
• Inflatable restraint sensing & diagnostic module (under front of center console)
• J202
• J334
• J335
• J500 (w/ power window & power mirrors)
• J600
• J900
• Left rear door latch assembly
• Liftgate latch
• Lo ref
• Lo spd gmlan serial data
• Nca
• Notchback
• Passenger air bag disable indicator
• Passenger door latch assembly
• Passenger seat belt buckle
• Passenger seat belt ind
• Passenger seat belt sw sig
• Passenger seat belt switch
• Rear compartment lid latch
• Red
• Right rear door latch assembly
• X301
• X302
• X700
• X800
• X900

WIPER/WASHER

Wiper/Washer Wiring Diagram for Chevrolet Sonic LT 2012

List of elements for Wiper/Washer Wiring Diagram for Chevrolet Sonic LT 2012:

• (left rear of engine compt) g102
• 87a
• Body control module (left end of dash)
• C1 x2
• Computer data lines system
• Delay switch
• Driver information center (dic) display
• Front windshield wipe switch high signal
• Frt wiper fuse 23 30a
• G102 (left rear of engine compt)
• G401 (left "c" pillar)
• Hatchback
• High
• High speed gmlan serial
• High speed gmlan serial data (-) (1)
• Hot at all times
• Instrument cluster
• Int
• J114
• J139
• J900
• Logic
• Low
• Low refr
• Low speed gmlan serial data
• Mist
• Notchback
• Off
• Rear wind washer rly ctrl
• Rear wind wip sw sig
• Rear window washer pump relay
• Rear wip mtr rly coil ctrl
• Rear wiper fuse 20a
• Rear wiper motor (hatchback) (center of liftgate)
• Rear wiper relay
• Underhood fuse block (next to left front strut tower)
• Washer fuse 10a
• Washer switch
• Windshield washer pump (on windshield washer reservoir)
• Windshield washer pump relay
• Windshield washer rly ctrl
• Windshield washer sw sig
• Windshield wiper
• Windshield wiper motor (left rear of engine compt)
• Windshield wiper motor park switch sig
• Windshield wiper relay
• Windshield wiper speed control relay
• Windshield wiper switch high signal
• Windshield wiper switch low signal
• Windshield wiper washer switch
• Windshield wiper/ washer switch
• Wiper switch
• X202