AIR CONDITIONING – Chevrolet Impala LTZ 2012 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Chevrolet Impala LTZ 2012

List of elements for Compressor Wiring Diagram for Chevrolet Impala LTZ 2012:

• (left side of automatic transaxle)
• (left side of dash)
• 5 volt ref 1
• A/c cmprsr fuse 10a
• A/c cmprsr relay
• A/c comp ctrl
• A/c compressor
• A/c compressor clutch
• A/c compressor solenoid valve
• A/c press sig
• A/c refrigerant pressure sensor (under air cleaner)
• A/c request ind
• A/c request switch
• A/c valve
• A/c valve ctrl
• A/c valve switch
• Air bag/ display fuse 10a
• Computer data lines system
• Data bus +
• Data bus -
• Emission 2 fuse 15a
• Engine control module (ecm) (inside air cleaner assembly)
• G113
• G202
• Gm lan serial data
• Gnd
• Hot at all times
• Hot w/ ign main pcb relay energized
• Hot w/ pwr/trn relay energized
• Hvac module (center of dash)
• Ign
• Ign 1 volt
• Jx206 (i/p harness, near steering column)
• Logic
• Low ref
• Nca
• On ind
• Pnk
• Tan
• Underhood fuse block (right side of engine compt)
• X115

Manual A/C Wiring Diagram, with Cooling Fan Jumper Harness (1 of 2) for Chevrolet Impala LTZ 2012

List of elements for Manual A/C Wiring Diagram, with Cooling Fan Jumper Harness (1 of 2) for Chevrolet Impala LTZ 2012:

• (ignition control module wiring
• (left side of automatic transaxle)
• (left side of dash)
• 87a
• A/c cmprsr fuse 10a
• A/c cmprsr relay
• A/c compressor (center of dash)
• A/c compressor clutch
• A/c compressor solenoid valve
• A/c request ind
• A/c request switch
• A/c valve
• A/c valve switch
• Air temp a
• Air temp b
• Battery
• Blower motor sw
• Computer data lines system
• Cooling fan high speed relay
• Cooling fan low speed relay
• Cooling fan speed control relay
• Defog rly ctrl temp sens sig
• Defogger
• Defogger system
• Emission 2 fuse 15a
• Fuse 30a
• G100 (behind right headlight)
• G113
• G201
• G202
• Gnd
• Harness)
• High
• Hot at all times
• Hot w/ pwr/trn relay energized
• Hvac module (center of dash)
• Ign
• Ign 1 vol
• Ind
• Inline fuse
• Interior lights system
• J104
• J105
• J106
• J107
• J195
• J196
• J197
• J198
• J199
• Led dim sply
• Left air temperature actuator (w/ auxiliary temperature control) (left side of dash)
• Left cooling fan engine diode
• Left temperature control switch (w/ auxiliary temperature control)
• Logic
• Low
• Low ref
• Mode actuator (on hvac assembly)
• Mode dr ctrl a
• Mode dr ctrl b
• Mode switch
• Nca
• On ind
• Pnk
• Rear defogger switch
• Recirculation
• Recirculation a
• Recirculation actuator (right side of hvac case)
• Recirculation b
• Recirculation switch
• Red
• Red/
• Right air temperature actuator (center of dash)
• Right cooling fan engine diode
• Right temperature control switch (w/ auxiliary temperature control)
• Serial data
• Speed ctrl
• Tan
• Underhood fuse block (right side of engine compt)
• X115
• X120

Manual A/C Wiring Diagram, with Cooling Fan Jumper Harness (2 of 2) for Chevrolet Impala LTZ 2012

List of elements for Manual A/C Wiring Diagram, with Cooling Fan Jumper Harness (2 of 2) for Chevrolet Impala LTZ 2012:

• (behind right headlight)
• 5v reference 1
• A/c comp clutch
• A/c press signal
• A/c refrigerant pressure sensor (under air cleaner)
• Air bag/ display fuse 10a
• Ambient air temperature sensor (w/o coolant temperature & trip odometer) (front of engine compt)
• Batt 4 fuse 30a
• Battery
• Blower motor (left side of dash)
• Blower motor control module (right side of dash)
• Computer data lines system
• Data bus +
• Data bus -
• Display fuse 10a
• Driver information center (dic) display
• Ect sens sig
• Engine control module (ecm) (inside air cleaner assembly)
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• G100
• G200 (right side of dash)
• Gmlan serial data
• Gnd
• Hot at all times
• Hot coolant ind
• Hot w/ ign main pcb relay energized
• Instrument panel cluster (ipc)
• Jx206 (i/p harness, near steering column)
• Left engine cooling fan (behind left side of radiator)
• Logic
• Low ref
• Low spd
• Pnk
• Red
• Relay ctrl
• Right engine cooling fan (behind right side of radiator)
• Speed ctrl
• Tan
• Tan a
• Underhood fuse block (right side of engine compt)
• X210

Manual A/C Wiring Diagram, without Cooling Fan Jumper Harness (1 of 2) for Chevrolet Impala LTZ 2012

List of elements for Manual A/C Wiring Diagram, without Cooling Fan Jumper Harness (1 of 2) for Chevrolet Impala LTZ 2012:

• (left side of automatic transaxle)
• (left side of dash)
• 87a
• A/c cmprsr fuse 10a
• A/c cmprsr relay
• A/c compressor (center of dash)
• A/c compressor clutch
• A/c compressor solenoid valve
• A/c request ind
• A/c request switch
• A/c valve
• A/c valve switch
• Air temp a
• Air temp b
• Battery
• Blower motor sw
• Computer data lines system
• Defog rly ctrl temp sens sig
• Defogger
• Defogger system
• Emission 2 fuse 15a
• Fan 1 fuse 30a
• Fan 1 relay
• Fan 2 fuse 30a
• Fan 2 relay
• Fan 3 relay
• G100 (behind right headlight)
• G113
• G201 (left side of dash)
• G202
• Gnd
• High
• Hot at all times
• Hot w/ pwr/trn relay energized
• Hvac module (center of dash)
• Ign
• Ign 1 vol
• Ind
• Interior lights system
• Led dim sply
• Left air temperature actuator (w/ auxiliary temperature control) (left side of dash)
• Left cooling fan engine diode
• Left temperature control switch (w/ auxiliary temperature control)
• Logic
• Low
• Low ref
• Mode actuator (on hvac assembly)
• Mode dr ctrl a
• Mode dr ctrl b
• Mode switch
• Nca
• On ind
• Pnk
• Rear defogger switch
• Recirculation
• Recirculation a
• Recirculation actuator (right side of hvac case)
• Recirculation b
• Recirculation switch
• Right air temperature actuator (center of dash)
• Right cooling fan engine diode
• Right temperature control switch (w/ auxiliary temperature control)
• Serial data
• Speed ctrl
• Tan
• Underhood fuse block (right side of engine compt)
• X115
• X120

Manual A/C Wiring Diagram, without Cooling Fan Jumper Harness (2 of 2) for Chevrolet Impala LTZ 2012

List of elements for Manual A/C Wiring Diagram, without Cooling Fan Jumper Harness (2 of 2) for Chevrolet Impala LTZ 2012:

• (behind right headlight)
• 5v reference 1
• A/c comp clutch
• A/c press signal
• A/c refrigerant pressure sensor (under air cleaner)
• Air bag/ display fuse 10a
• Ambient air temperature sensor (w/o coolant temperature & trip odometer) (front of engine compt)
• Batt 4 fuse 30a
• Battery
• Blower motor (left side of dash)
• Blower motor control module (right side of dash)
• Computer data lines system
• Data bus +
• Data bus -
• Display fuse 10a
• Driver information center (dic) display
• Ect sens sig
• Engine control module (ecm) (inside air cleaner assembly)
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• G100
• G200 (right side of dash)
• Gmlan serial data
• Gnd
• Hot at all times
• Hot coolant ind
• Hot w/ ign main pcb relay energized
• Instrument panel cluster (ipc)
• Jx206 (i/p harness, near steering column)
• Left engine cooling fan (behind left side of radiator)
• Logic
• Low ref
• Low spd
• Pnk
• Red
• Relay ctrl
• Right engine cooling fan (behind right side of radiator)
• Speed ctrl
• Tan
• Tan a
• Underhood fuse block (right side of engine compt)
• X210