AIR CONDITIONING

(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

(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

(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

(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

AIR CONDITIONING – Chevrolet Impala LT 2012 – SYSTEM WIRING DIAGRAMS