AIR CONDITIONING – Chevrolet Sonic LS 2014 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

1.4L VIN B

1.4L VIN B, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Sonic LS 2014

List of elements for 1.4L VIN B, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Sonic LS 2014:

• (behind radiator) cooling fan motor
• (engine harness, 10 cm right of breakout to fuel injectors)
• (left rear of engine compt) g102
• (not used)
• (on blower motor) blower motor resistor
• (under center console) g301
• (under center console) g302
• 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 10a
• Auxiliary a/c
• Auxiliary a/c request ind sig
• Blower fuse 40a
• Blower motor (under right side of dash)
• Blower speed feedback sig
• Blwr spd feedback sig
• Body control module (left end of dash)
• Coil fuse 10a
• Computer data lines system
• Cool fan k4 fuse 40a
• Cool fan k5 fuse 60a
• Cooling fan high speed relay
• Cooling fan low speed relay
• Cooling fan medium speed relay
• Defogger system
• Defrost/heater mode valve position sens sig
• Defrost/htr mode
• Evap core temp
• Evap core temp sensor sig
• 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
• Mode switch
• Rear defog relay ctrl
• Rear defog sw sig
• Rear defogger ind
• Run ignition 3 voltage
• Run rly coil ctrl
• Sensor sig
• Serial data (+) high speed gmlan
• Underhood fuse block (next to left front strut tower)
• Ventilating fan switch
• X1 serial data (-)
• X1 valve pos sens sig
• 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 LS 2014

List of elements for 1.4L VIN B, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Sonic LS 2014:

• (instrument panel harness, 6 cm left of breakout to accelerator & brake pedal position sensors) j224
• (left side of engine compt) engine control module (ecm)
• (upper right side of hvac)
• 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 inlet door actuator
• Ambient air temperature sensor (right side of front grille)
• Blower motor relay
• Close recirculation door ctrl
• Computer data lines system
• Cooling fan speed control relay
• Cooling fan speed control relay 2
• Driver information center display
• Engine coolant temperature ind
• 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 (+)
• High speed gmlan serial data (-)
• Hot at all times
• Hvac control module
• Hvac fuse 10a
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J123
• J130
• J131
• J236
• Logic
• Low reference
• Low reference coolant temp
• Low speed gmlan serial data
• Open recirculation door ctrl
• Outside ambient air temp sens sig
• Outside ambient temp sens sig low ref
• Powertrain main rly fused sply
• Rear window defrost switch
• Recirculation ind
• Sensor 2 sig coolant temp
• Sensor sig coolant temp
• Underhood relay block
• X100
• X105
• X1091
• X202

1.8L VIN G

1.8L VIN G, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Sonic LS 2014

List of elements for 1.8L VIN G, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Sonic LS 2014:

• (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
• 1.8l vin g
• 1.8l vin h
• A/c compressor clutch (lower left front of engine)
• A/c compressor clutch relay
• A/c on ind
• A/c request sig
• Ac clutch frt fog fuse 10a
• Auxiliary a/c
• Auxiliary a/c request ind sig
• Blower fuse 40a
• Blower motor (under right side of dash)
• Blower speed feedback sig
• Blwr spd feedback sig
• Body control module (left end of dash)
• Coil ecm 2 fuse 10a
• Computer data lines system
• Cool fan k4 cool fan k5 fuse 30a
• Cool fan k5 cool fan k4 fuse 40a
• Cooling fan high speed relay
• Cooling fan low speed relay
• Defogger system
• Defrost/heater mode
• Defrost/heater mode valve position sens sig
• Evap core temp
• Evap core temp sensor sig
• 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
• Mode switch
• Rear defog relay ctrl
• Rear defog sw sig
• Rear defogger ind
• Run ignition 3 voltage
• Run relay coil ctrl
• Sensor sig
• Serial data (+) high speed gmlan
• Underhood fuse block (next to left front strut tower)
• Ventilating fan switch
• X1 serial data (-)
• X1 valve post sens sig
• X2 feedback sig blower speed
• X202
• X6 low reference
• X7 request ind sig

1.8L VIN G, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Sonic LS 2014

List of elements for 1.8L VIN G, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Sonic LS 2014:

• (instrument panel harness, 6 cm left of breakout to accelerator & brake pedal position sensors) j224
• 5 volt ref
• 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 inlet door actuator (upper right side of hvac)
• Ambient air temperature sensor (right side of front grille)
• Blower motor relay
• Close recirculation door ctrl
• Computer data lines system
• Driver information center display
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature ind
• 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 (+)
• High speed gmlan serial data (-)
• Hot at all times
• Hvac control module
• Hvac fuse 10a
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J236
• Lo speed cooling fan relay ctrl
• Logic
• Low reference
• Low speed gmlan serial data
• Open recirculation door ctrl
• Outside ambient air temp sens sig
• Outside ambient temp sens sig low ref
• Rear window defrost switch
• Recirculation ind
• Sensor 2 sig coolant temp
• Sensor sig coolant temp
• X100
• X101
• X105
• X202

1.8L VIN H

1.8L VIN H, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Sonic LS 2014

List of elements for 1.8L VIN H, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Sonic LS 2014:

• (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
• 1.8l vin g
• 1.8l vin h
• A/c compressor clutch (lower left front of engine)
• A/c compressor clutch relay
• A/c on ind
• A/c request sig
• Ac clutch frt fog fuse 10a
• Auxiliary a/c
• Auxiliary a/c request ind sig
• Blower fuse 40a
• Blower motor (under right side of dash)
• Blower speed feedback sig
• Blwr spd feedback sig
• Body control module (left end of dash)
• Coil ecm 2 fuse 10a
• Computer data lines system
• Cool fan k4 cool fan k5 fuse 30a
• Cool fan k5 cool fan k4 fuse 40a
• Cooling fan high speed relay
• Cooling fan low speed relay
• Defogger system
• Defrost/heater mode
• Defrost/heater mode valve position sens sig
• Evap core temp
• Evap core temp sensor sig
• 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
• Mode switch
• Rear defog relay ctrl
• Rear defog sw sig
• Rear defogger ind
• Run ignition 3 voltage
• Run relay coil ctrl
• Sensor sig
• Serial data (+) high speed gmlan
• Underhood fuse block (next to left front strut tower)
• Ventilating fan switch
• X1 serial data (-)
• X1 valve post sens sig
• 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 LS 2014

List of elements for 1.8L VIN H, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Sonic LS 2014:

• (instrument panel harness, 6 cm left of breakout to accelerator & brake pedal position sensors) j224
• 5 volt ref
• 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 inlet door actuator (upper right side of hvac)
• Ambient air temperature sensor (right side of front grille)
• Blower motor relay
• Close recirculation door ctrl
• Computer data lines system
• Driver information center display
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature ind
• 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 (+)
• High speed gmlan serial data (-)
• Hot at all times
• Hvac control module
• Hvac fuse 10a
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J236
• Lo speed cooling fan relay ctrl
• Logic
• Low reference
• Low speed gmlan serial data
• Open recirculation door ctrl
• Outside ambient air temp sens sig
• Outside ambient temp sens sig low ref
• Rear window defrost switch
• Recirculation ind
• Sensor 2 sig coolant temp
• Sensor sig coolant temp
• X100
• X101
• X105
• X202