AIR CONDITIONING

(behind grille, on left side of front impact bar) ambient air temperature sensor
(center console, front of body control module)
(center console, front of body control module) g203
A/c clu fuse 1 10a
A/c clutch relay
A/c compressor clutch (lower right front of engine)
A/c request ind
A/c request switch
A10
A11
A11 c2
A12
A2 c1
A3 c1
B1 c1
B10
B10 c2
B11
B12
B9 c3
Bat
Batt
Blower motor (below right side of dash)
Blower motor control module (right side of dash, rear of hvac case)
Blower motor switch
Blr mtr spd ctrl
Blr spd req sig
C/fan 1 fuse 17 30a
C/fan 2 fuse 18 30a
C1 e3
C2 a5
C2 c4
C3 b8
Computer data lines system
Cool fan 1 relay
Cool fan 2 relay
Cool ser/par relay
Dr ctrl a
Dr ctrl b
E1 c2
E8 c1
Fresh air ind
G106 (on trans, near pnp switch)
G201
Grd
Hot at all times
Hot in run or start
Hvac control module (center of dash)
Ign 3
Inside air temperature sensor
Interior lights system
Left cooling fan (on front of engine compartment)
Lmp sply voltage
Logic
Low ref
Low spd gmlan
Mode switch
Recirculation ind
Recirculation switch
Right cooling fan (on front of engine compartment)
Sply voltage
Tan
Temp sens sig
Temperature control
Underhood fuse block (left side of engine compt)

(automatic a/c)
(manual a/c)
2.2l 3.5l
5v ref
A/c clu fuse 1 10a
A/c clutch relay
A/c compressor clutch (lower right front of engine)
A/c refrigerant pressure sensor (left of right front strut tower)
A/c req sig
A/c request ind
A/c request switch
Automatic a/c
Body control module (bcm) (below right side of dash, near blower motor)
Clu rly ctrl
Computer data lines system
E1 c2
E8 c1
G106 (2.2l: on engine, below generator) (3.5l: on transmission, near park/neutral position switch)
High spd gm lan
High speed gm lan serial data +
High speed gm lan serial data -
Hot at all times
Hot in run or start
Hvac control module (center of dash)
Logic
Low ref
Low spd gmlan
Low speed gm lan serial data
Manual a/c
Mode switch
Powertrain control module (pcm) (front of battery)
Sens sig
Tan
Temperature control
Underhood fuse block (left side of engine compt)

(center console, front of body control module)
A/c clu fuse 1 10a
A/c clutch relay
A/c compressor clutch (lower right front of engine)
A/c req sig
A/c request ind
A/c request switch
A10
A11
A11 c2
A12
A2 c1
A3 c1
B1 c1
B10
B10 c2
B11
B12
Batt
Blower motor resistor assembly (on rear of hvac case)
Blower motor switch
C/fan 1 fuse 17 30a
C/fan 2 fuse 18 30a
C1 e3
C2 g
Cool fan 1 relay
Cool fan 2 relay
Cool ser/par relay
Defogger system
Dr ctrl a
Dr ctrl b
E1 c2
E8 c1
Exterior lights system
Fresh air ind
G106 (2.2l: on engine, below generator) (3.5l: on transmission, near park/neutral position switch)
G201
Grd
High
Hot at all times
Hot in run or start
Hvac control module (center of dash)
Ign 3
Interior lights system
Left cooling fan (on front of engine compartment)
Lmp sply voltage
Logic
Low
Low ref
Mode dr ctrl
Mode dr pos sig
Mode switch
Off
Pk lmp sply
Rear def ind
Rear defog sw sig
Recirculation ind
Recirculation switch
Right cooling fan (on front of engine compartment)
Tan
Temp dr ctrl
Temperature control switch
Underhood fuse block (left side of engine compt)

(or 469)
2.2l
3.5l
5v ref
A/c refrigerant pressure sensor (left of right front strut tower)
A/c req sig
After blow
Air temperature actuator (on top left side of dash)
Blower motor (below right side of dash)
Body control module (bcm) (below right side of dash, near blower motor)
C4 b3
Clu rly ctrl
Computer data lines system
D4 c4
Data link connector (dlc) (below left side of dash)
Ect sens sig
Engine controls system
Engine coolant temperature (ect) sensor (3.5l: left side of rear cylinder head) (2.2l: on top rear of engine)
G203 (center console, front of body control module)
Grd
High spd gm lan
High spd rly ctrl
High speed gm lan serial data +
High speed gm lan serial data -
Hot at all times
Hvac blower fuse 20a
Hvac blower high relay
Hvac ctrl (batt) fuse 10a
Hvac ctrl (ign) fuse 10a
Logic
Low ref
Low spd rly ctrl
Mode actuator (right kick panel)
Powertrain control module (pcm) (front of battery)
Recirculation actuator (on top left side of dash)
Run relay
Run rly ctrl
S106 (3 cm from breakout to fuel injector 3)
Sens sig
Tan

AIR CONDITIONING – Chevrolet Malibu Maxx LT 2005 – SYSTEM WIRING DIAGRAMS