AIR CONDITIONING – Chevrolet HHR LS 2007 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Chevrolet HHR LS 2007

List of elements for Compressor Wiring Diagram for Chevrolet HHR LS 2007:

• (2.4l: right side of engine, near rear of exhaust manifold) (2.2l: top right rear of engine) engine coolant temperature (ect) sensor
• (not used)
• 2.2l
• 2.4l
• 2700 (or 6255)
• 2751 (or 6256)
• 5v ref
• A/c clutch relay
• A/c compressor clutch (lower left front of engine)
• A/c compressor clutch diode
• A/c refrigerant pressure sensor (in right front of engine compt, on a/c line, near compressor)
• A/c req sig
• A/c request indicator
• A/c request sig
• A/c request switch
• Batt
• Body control module (bcm) (under center dash, below radio, on right side of center console)
• C1 d3
• C3 c5
• Computer data lines system
• D12 c1
• Ect sig
• Engine control module (ecm) (left side of engine compt, in front of underhood fuse block)
• F10
• F11 c2
• G109 (on left front shock tower)
• G203 (behind left end of dash)
• Gnd
• Hot at all times
• Hot in run or start
• Hot w/ run/ crank relay energized
• Hvac control assembly
• Hvac/ i/p ign fuse 10a
• Hvac/pk3 fuse 10a
• Ign 1 voltage
• Logic
• Low ref
• Pnk
• Power distribution system
• Press sens sig
• Rly ctrl
• S101 (in forward lamp harness, near left front headlamp, approximately 9 cm from breakout to g109)
• S200 (in i/p harness, near left side of i/p, approximately 29 cm from breakout to g203)
• Serial data
• Serial data +
• Serial data -
• Tan
• Underhood fuse block (in engine compt, next to left strut tower)

Manual A/C Wiring Diagram (1 of 2) for Chevrolet HHR LS 2007

List of elements for Manual A/C Wiring Diagram (1 of 2) for Chevrolet HHR LS 2007:

• (in hvac jumper harness, approximately 4.9 cm from blower motor) s203
• (not used)
• 5 volt ref
• A/c request indicator
• A/c request sig
• A/c request switch
• Air temp door ctrl
• Air temp door pos sig
• Battery positive
• Bcm 3 fuse 30a
• Blower motor (under right side of dash)
• Blower motor resistor (under right side of dash, forward of blower motor)
• Blower motor switch
• Body control module (bcm) (under center dash, below radio, on right side of center console)
• C2 f6
• Computer data lines system
• Defogger system
• Dimmer switch sig
• Door ctrl
• Fresh air indicator
• G203 (behind left end of dash)
• Gnd
• Hi/low signal
• High
• High temp ctrl
• High temp ind
• High/low sig
• Hot at all times
• Hot w/ run/ crank relay energized
• Hvac control assembly
• Hvac relay
• Hvac/ i/p ign fuse 10a
• Hvac/pk3 fuse 10a
• Ign 1 voltage
• Logic
• Low
• Low temp ctrl
• Low temp ind
• Mode door position sig
• Mode switch
• Off
• Pnk
• Power distribution system
• R defog relay ctrl
• R defog switch sig
• Recir door ctrl a
• Recir door ctrl b
• Recir- culation indicator
• Recir- culation switch
• S200 (in i/p harness, near left side of i/p, approximately 29 cm from breakout to g203)
• Seats system
• Seats system interior lights system
• Serial data
• Tan
• Temperature control switch
• Underhood fuse block (in engine compt, next to left strut tower)

Manual A/C Wiring Diagram (2 of 2) for Chevrolet HHR LS 2007

List of elements for Manual A/C Wiring Diagram (2 of 2) for Chevrolet HHR LS 2007:

• (2.4l: right side of engine, near rear of exhaust manifold) (2.2l: top right rear of engine) engine coolant temperature (ect) sensor
• (not used)
• (or 6256)
• 2.2l
• 2.4l
• 2700 (or 6255)
• 5v ref
• A/c clutch relay
• A/c compressor clutch (lower left front of engine)
• A/c compressor clutch diode
• A/c refrigerant pressure sensor (in right front of engine compt, on a/c line, near compressor)
• Air temperature actuator (center of dash, left side of hvac module)
• C1 b2
• C2 f11
• C5 c3
• Computer data lines system
• Cool fan fuse 30a
• Cool fan relay
• Coolant temp ind
• D12 c1
• D3 c1
• E1 c3
• Ect sig
• Engine control module (ecm) (left side of engine compt, in front of underhood fuse block)
• Engine cooling fan (front of engine compt, attached to radiator)
• F10
• G105 (left front of engine block)
• G109 (on left front shock tower)
• Hot at all times
• Hot in run or start
• Ign
• Instrument panel cluster (ipc)
• Logic
• Low ref
• Mode actuator (center of dash, left side of hvac module)
• Pnk
• Press sens sig
• Recirculation actuator (behind right side of dash, above blower motor)
• Rly ctrl
• S101 (in forward lamp harness, near left front headlamp, approximately 9 cm from breakout to g109)
• Serial data
• Serial data +
• Serial data -
• Tan
• Underhood fuse block (in engine compt, next to left strut tower)