AIR CONDITIONING – Chevrolet Cobalt 2005 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

2.0L VIN P

2.0L VIN P, Compressor Wiring Diagram for Chevrolet Cobalt 2005

List of elements for 2.0L VIN P, Compressor Wiring Diagram for Chevrolet Cobalt 2005:

• 5v ref
• A/c clutch relay
• A/c compressor clutch (lower right side of engine, below generator)
• A/c compressor clutch diode
• A/c fuse 10a
• A/c refrigerant pressure sensor (right front of engine compt)
• A/c req sig
• A/c request indicator
• A/c request sig
• A/c request switch
• Batt
• Body control module (bcm) (under center of dash, below radio, on right side of center console)
• C3 f2
• C5 c5
• Computer data lines system
• Ect sig
• Engine coolant temperature (ect) sensor (left rear side of engine, near exhaust manifold)
• G101 (behind left headlamp)
• G203 (left of steering column)
• Gnd
• Hot at all times
• Hot in run or start
• Hvac control module (center of dash)
• Hvac/pk3 fuse 10a
• I/p ign fuse 10a
• Ign 1 voltage
• Logic
• Low ref
• Pnk
• Power distribution system
• Powertrain control module (pcm) (at left side of engine compt)
• Press sens sig
• Rly ctrl
• Serial data
• Tan
• Underhood fuse block (in engine compt, next to left strut tower)

2.0L VIN P, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Cobalt 2005

List of elements for 2.0L VIN P, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Cobalt 2005:

• (in hvac jumper harn, 4.9 cm from hvac contol assembly) s261
• 5 volt ref
• A/c req sig
• A/c request indicator
• A/c request sig
• A/c request switch
• Batt
• Bcm 3 fuse 30a
• Blower motor (under right side of dash)
• Blower motor resistor (under right side of dash, next to blower motor)
• Blower motor switch
• Body control module (bcm) (under center of dash, below radio, on right side of center console)
• C4 c2
• Close recir door
• Computer data lines system
• Culation indicator
• Fresh air indicator
• G203 (left of steering column)
• Gnd
• Ground
• High
• Hot at all times
• Hot in run or start
• Hvac control module (under center of dash)
• Hvac relay
• Hvac/pk3 fuse 10a
• I/p ign fuse 10a
• Ign 1 voltage
• Interior lights system
• Logic
• Low
• Mode 1 vlv
• Mode door cntrl
• Mode switch
• Off
• Open recir door
• Pass air temp dr cntrl
• Pass air temp dr pos
• Pnk
• Power distribution system
• Rear defogger system
• Recir-
• Recir- culation switch
• Rr defog relay cntrl
• Rr defog switch sig
• Run/ crank relay control
• Serial data
• Tan
• Temperature control switch
• Underhood fuse block (in engine compt, next to left strut tower)

2.0L VIN P, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Cobalt 2005

List of elements for 2.0L VIN P, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Cobalt 2005:

• 5v ref
• A/c clutch relay
• A/c compressor clutch (lower right side of engine, below generator)
• A/c compressor clutch diode
• A/c fuse 10a
• A/c refrigerant pressure sensor (right front of engine compt)
• A1 c5
• A11
• Air temperature actuator (center of dash, center left side of hvac module)
• C3 f2
• C5 c5
• Computer data lines system
• Cool sep/par relay
• Coolant temp ind
• Cooling fan 1 (in front eng compt, attached to left of radiator)
• Cooling fan 1 fuse 30a
• Cooling fan 1 relay
• Cooling fan 2 (in front eng compt, attached to right of radiator)
• Cooling fan 2 fuse 30a
• Cooling fan 2 relay
• E10
• Ect sig
• Engine coolant temperature (ect) sensor (left rear side of engine, near exhaust manifold)
• F10
• G101 (behind left headlamp)
• G109 (front of engine)
• Hot at all times
• Hot in run or start
• Ign
• Instrument panel cluster
• Logic
• Low ref
• Mode actuator (center of dash, center left side of hvac module)
• Pnk
• Powertrain control module (pcm) (at left side of engine compt)
• Press sens sig
• Recirculation actuator (right side of dash, above blower motor)
• Rly ctrl
• Serial data
• Tan
• Underhood fuse block (in engine compt, next to left strut tower)

2.2L VIN F

2.2L VIN F, Compressor Wiring Diagram for Chevrolet Cobalt 2005

List of elements for 2.2L VIN F, Compressor Wiring Diagram for Chevrolet Cobalt 2005:

• 5v ref
• A/c clutch relay
• A/c compressor clutch (lower right side of engine, below generator)
• A/c compressor clutch diode
• A/c fuse 10a
• A/c refrigerant pressure sensor (right front of engine compt)
• A/c req sig
• A/c request indicator
• A/c request sig
• A/c request switch
• Batt
• Body control module (bcm) (under center of dash, below radio, on right side of center console)
• C3 f2
• C5 c5
• Computer data lines system
• Ect sig
• Engine control module (pcm) (at left side of engine compt)
• Engine coolant temperature (ect) sensor (on top of engine)
• G101 (behind left headlamp)
• G203 (left of steering column)
• Gnd
• Hot at all times
• Hot in run or start
• Hvac control module (center of dash)
• Hvac/pk3 fuse 10a
• I/p ign fuse 10a
• Ign 1 voltage
• Logic
• Low ref
• Pnk
• Power distribution system
• Press sens sig
• Rly ctrl
• Serial data
• Tan
• Underhood fuse block (in engine compt, next to left strut tower)

2.2L VIN F, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Cobalt 2005

List of elements for 2.2L VIN F, Manual A/C Wiring Diagram (1 of 2) for Chevrolet Cobalt 2005:

• (in hvac jumper harn, 4.9 cm from hvac contol assembly) s261
• 5 volt ref
• A/c req sig
• A/c request indicator
• A/c request sig
• A/c request switch
• Batt
• Bcm 3 fuse 30a
• Blower motor (under right side of dash)
• Blower motor resistor (under right side of dash, next to blower motor)
• Blower motor switch
• Body control module (bcm) (under center of dash, below radio, on right side of center console)
• C4 c2
• Close recir door
• Computer data lines system
• Culation
• Fresh air indicator
• G203 (left of steering column)
• Gnd
• Ground
• High
• Hot at all times
• Hot in run or start
• Hvac control module (under center of dash)
• Hvac relay
• Hvac/pk3 fuse 10a
• I/p ign fuse 10a
• Ign 1 voltage
• Indicator
• Interior lights system
• Logic
• Low
• Mode 1 vlv
• Mode door cntrl
• Mode switch
• Off
• Open recir door
• Pass air temp dr cntrl
• Pass air temp dr pos
• Pnk
• Power distribution system
• Rear defogger system
• Recir-
• Recirculation switch
• Rr defog relay cntrl
• Rr defog switch sig
• Run/ crank relay control
• Serial data
• Tan
• Temperature control switch
• Underhood fuse block (in engine compt, next to left strut tower)

2.2L VIN F, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Cobalt 2005

List of elements for 2.2L VIN F, Manual A/C Wiring Diagram (2 of 2) for Chevrolet Cobalt 2005:

• 5v ref
• A/c clutch relay
• A/c compressor clutch (lower right side of engine, below generator)
• A/c compressor clutch diode
• A/c fuse 10a
• A/c refrigerant pressure sensor (right front of engine compt)
• A1 c5
• A11
• Air temperature actuator (center of dash, center left side of hvac module)
• C3 f2
• C5 c5
• Computer data lines system
• Coolant temp ind
• Cooling fan 1 fuse 30a
• Cooling fan 1 relay
• Cooling fan 2 fuse 30a
• Cooling fan 2 relay
• E10
• Ect sig
• Engine control module (pcm) (at left side of engine compt)
• Engine coolant temperature (ect) sensor (on top of engine)
• Engine cooling fan (in front of engine compt, attached to radiator)
• F10
• G101 (behind left headlamp)
• G109 (front of engine)
• Hot at all times
• Hot in run or start
• Ign
• Instrument panel cluster
• Logic
• Low ref
• Mode actuator (center of dash, center left side of hvac module)
• Pnk
• Press sens sig
• Recirculation actuator (right side of dash, above blower motor)
• Rly ctrl
• Serial data
• Tan
• Underhood fuse block (in engine compt, next to left strut tower)