AIR CONDITIONING – Chevrolet Impala LT 2014 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 4) for Chevrolet Impala LT 2014

List of elements for Automatic A/C Wiring Diagram (1 of 4) for Chevrolet Impala LT 2014:

• (base of left "a' pillar) g203
• 5-volt ref
• A/c compressor (lower left front of engine)
• A/c compressor clutch
• A/c compressor solenoid valve
• Battery positive voltage
• Blower motor (under right side of dash)
• Blower mtr spd ctrl
• Computer data lines system
• Defogger system
• Display fuse 15a
• Ele variable displacement ctrl
• Ele variable displacement sply
• Frt/hvac fuse 40a
• G120 (3.6l) g122 (except 3.6l) (3.6l: left side of engine, below starter) (except 3.6l: rear center engine compt)
• G302 (right front "a" pillar)
• Gnd
• Ground
• Hot at all times
• Hot w/ ignition main relay energized
• Humidity sens sig
• Humidity temp sens sig
• Hvac control module
• Hvac/cntrl fuse 10a
• Inside air temp sens low ref
• Inside air temp sens sig
• Instrument panel fuse block (right kick panel)
• Ip ign fuse 5a
• J120
• J207
• J209
• J210
• Linear interconnect network bus 9
• Logic
• Low speed gmlan serial data
• Nca
• Power distribution system
• Rear defog rly ctrl
• Red
• Right cooling fan motor (behind right side of radiator)
• Run/crank ignition 1 volt
• Solar sens drv sig
• Spd ctrl blwr mtr
• Temp sens low ref
• Underhood fuse block (right side of engine compt)
• Volt batt pos
• W/ fcw
• W/o fcw
• Windscreen temp sens sig
• Windshield temperature & inside moisture sensor (if equipped)
• X115
• X116
• X200
• X210

Automatic A/C Wiring Diagram (2 of 4) for Chevrolet Impala LT 2014

List of elements for Automatic A/C Wiring Diagram (2 of 4) for Chevrolet Impala LT 2014:

• (forward lamp harness, 5.8 cm from breakout to washer fluid container) j150
• (not used)
• 2.4l
• 87a
• A/c
• A/c ind
• A/c switch
• Ac clutch fuse 10a
• Auto ind
• Auto switch
• Blower switch
• Bus 9 ser data gnd
• Compressor clutch relay
• Computer data lines system
• Cool fan hi fuse 40a
• Cool fan lo fuse 40a
• Cooling fan high speed relay
• Cooling fan low speed relay
• Cooling fan speed control relay
• Defrost & lower air outlet ind
• Defrost & lower air outlet switch
• Driver information center display
• Engine controls ignition relay
• Engine coolant temperature gauge
• Except 2.4l
• Fan rly a fuse 10a
• G101 (engine compt center front)
• G203 (base of left "a" pillar)
• Hot at all times
• Hvac controls
• Instrument cluster
• J101
• J209
• Left temperature control switch
• Logic
• Lower air outlet ind
• Lower air outlet switch
• Recirculation ind
• Recirculation switch
• Red
• Right temperature control switch
• Serial data gmlan low speed
• Sync ind
• Sync switch
• Underhood fuse block (right side of engine compt)
• Upper & lower air outlet ind
• Upper & lower air outlet switch
• Upper air outlet ind
• Upper air outlet switch
• Windshield defrost ind
• Windshield defrost switch

Automatic A/C Wiring Diagram (3 of 4) for Chevrolet Impala LT 2014

List of elements for Automatic A/C Wiring Diagram (3 of 4) for Chevrolet Impala LT 2014:

• (hvac assembly harness, between the breakout to the hvac control module & air temperature sensor - duct left lower) j217
• (on a/c line, under air cleaner) a/c refrigerant pressure sensor
• (right rear side of engine) (2.4l) heater coolant pump
• 2.4l
• A/c evaporator temperature sensor (left side of hvac module)
• Ambient light/sunload sensor (top center of dash)
• Anti-theft system
• Auxiliary heater coolant pump relay
• Battery fuse block
• Cabin cool pmp fuse 5a
• Duct left lower air temperature sensor (left side middle of hvac assembly)
• Duct left upper air temperature sensor (left side top of hvac assembly)
• Duct right lower air temperature sensor (right side middle of hvac assembly)
• Duct right upper air temperature sensor (right side top of hvac assembly)
• Ecm fuse 25a
• Except 2.4l
• Fuse 250a
• G106 (center engine compt on frame rail)
• G122 (rear center engine compt)
• Headlights system
• Hot at all times
• Hot w/ engine controls ignition relay energized
• J120
• Left cooling fan motor (behind left side of radiator)
• Red
• Underhood fuse block (left side of battery)
• X116
• X117

Automatic A/C Wiring Diagram (4 of 4) for Chevrolet Impala LT 2014

List of elements for Automatic A/C Wiring Diagram (4 of 4) for Chevrolet Impala LT 2014:

• (3.6l: left rear of left cylinder head) (except 2.4l: right rear side of engine) (2.5l: rear top of engine) engine coolant temperature sensor
• (hvac assembly harness, between the breakout to the hvac control module & evaporator temperature sensor)
• (inside air cleaner assembly) engine control module (ecm)
• 2.4l
• 5v volt ref
• A/c low ref
• A/c press sens sig
• Air inlet door motor (front right center of hvac assembly)
• Air inlet dr stepper mtr ctrl
• Cmprsr clutch rly ctrl
• Computer data lines system
• Cooling fan relay ctrl hi spd
• Cooling fan relay ctrl lo spd
• Evap core temp sens sig
• Except 2.4l
• G121 (rear center engine compt)
• Gmlan serial data (+)
• Gmlan serial data (-)
• Htr rly ctrl
• Hvac control module
• J121
• J216
• Left air temperature door actuator (left side of hvac module)
• Lower left air temp sens sig
• Lower right air temp sens sig
• Main rly fuse sply
• Mode door actuator (mounted to left of hvac assembly)
• Mode dr stepper motor ctrl
• Right air temp door pos sig
• Right air temp motor ctrl
• Right air temperature door actuator (right side of hvac module)
• Sens lo ref
• Sens low ref
• Sig gnd
• Temp dr stepper motor ctrl
• Temp sens sig eng coolant
• Underhood fuse block (right side of engine compt)
• Upper left air temp sens sig
• Upper right air temp sens sig
• X115
• X150

Manual A/C Wiring Diagram (1 of 4) for Chevrolet Impala LT 2014

List of elements for Manual A/C Wiring Diagram (1 of 4) for Chevrolet Impala LT 2014:

• (base of left "a' pillar) g203
• Air inlet door motor (front right center of hvac assembly)
• Air inlet dr stepper mtr ctrl
• Air temperature door actuator (left side of hvac module)
• Battery positive voltage
• Blower mtr spd ctrl
• Computer data lines system
• Defogger system
• Display fuse 15a
• Distribution
• Ele variable displacement ctrl
• Ele variable displacement sply
• Evap core temp sens sig
• Frt/hvac fuse 40a
• Gnd
• Hot at all times
• Hot w/ ignition main relay energized
• Hvac control module
• Hvac/cntrl fuse 10a
• Instrument panel fuse block (right kick panel)
• Ip ign fuse 5a
• J207
• J209
• J216 (hvac assembly harness, between the breakout to the hvac control module & evaporator temperature sensor)
• Linear interconnect network bus 9
• Low speed gmlan serial data
• Mode dr stepper motor ctrl
• Power
• Rear defog rly ctrl
• Run/crank ignition 1 volt
• Sens low ref
• System
• Temp dr stepper motor ctrl
• Underhood fuse block (right side of engine compt)
• X115
• X210

Manual A/C Wiring Diagram (2 of 4) for Chevrolet Impala LT 2014

List of elements for Manual A/C Wiring Diagram (2 of 4) for Chevrolet Impala LT 2014:

• (forward lamp harness, 5.8 cm from breakout to washer fluid container) j150
• 87a
• A/c
• A/c compressor (lower left front of engine)
• A/c compressor clutch
• A/c compressor solenoid valve
• Ac clutch fuse 10a
• Blower motor (under right side of dash)
• Compressor clutch relay
• Cool fan hi fuse 40a
• Cool fan lo fuse 40a
• Cooling fan high speed relay
• Cooling fan low speed relay
• Cooling fan speed control relay
• Engine controls ignition relay
• Fan rly a fuse 10a
• G101 (center front engine compt)
• G122 (rear center engine compt)
• G302 (right front "a" pillar)
• Ground
• Hot at all times
• J101
• J120
• Logic
• Mode door actuator (mounted to left of hvac assembly)
• Nca
• Red
• Spd ctrl blwr mtr
• Underhood fuse block (right side of engine compt)
• Volt batt pos

Manual A/C Wiring Diagram (3 of 4) for Chevrolet Impala LT 2014

List of elements for Manual A/C Wiring Diagram (3 of 4) for Chevrolet Impala LT 2014:

• (on a/c line, under air cleaner) a/c refrigerant pressure sensor
• A/c evaporator temperature sensor (left side of hvac module)
• Battery fuse block
• Computer data lines system
• Data
• Driver information center display
• Ecm fuse 25a
• Engine coolant temperature gauge
• Fuse 250a
• Hot at all times
• Hot w/ engine controls ignition relay energized
• Instrument cluster
• Logic
• Red
• Right cooling fan motor (behind left side of radiator)
• Underhood fuse block (right side of engine compt)
• X116
• X117
• X150

Manual A/C Wiring Diagram (4 of 4) for Chevrolet Impala LT 2014

List of elements for Manual A/C Wiring Diagram (4 of 4) for Chevrolet Impala LT 2014:

• (inside air cleaner assembly) engine control module (ecm)
• (rear top of engine) engine coolant temperature sensor
• 5v volt ref
• A/c ind
• A/c low ref
• A/c press sens sig
• A/c switch
• Auto ind
• Auto switch
• Blower switch
• Bus 9 serial data gnd
• Cmprsr clutch rly ctrl
• Computer data lines system
• Cooling fan relay ctrl hi spd
• Cooling fan relay ctrl lo spd
• Defrost & lower air outlet ind
• Defrost & lower air outlet switch
• G106 (center engine compt on frame rail)
• G121 (rear center engine compt)
• G203 (base of left "a" pillar)
• Gmlan serial data (+)
• Gmlan serial data (-)
• Hvac controls
• J121
• J209
• Left cooling fan motor (behind left side of radiator)
• Logic
• Lower air outlet ind
• Lower air outlet switch
• Main rly fuse sply
• Recirculation ind
• Recirculation switch
• Sens lo ref
• Sens sig eng coolant temp
• Sig gnd
• Temperature control switch
• Temperature ind
• Temperature switch
• Upper & lower air outlet ind
• Upper & lower air outlet switch
• Upper air outlet ind
• Upper air outlet switch
• Windshield defrost ind
• Windshield defrost switch
• X115
• X116