AIR CONDITIONING – Chevrolet Impala 2004 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Chevrolet Impala 2004

List of elements for Compressor Wiring Diagram for Chevrolet Impala 2004:

• (3.4l (vin e): left front of engine compt, 4 cm from c112 breakout) (3.8l (vin k): left rear of engine, 6.5 cm from egr valve breakout) (except 3.8l (vin 1)) s158
• (on transaxle stud, near starter)
• +5v reference
• A/c cmpr relay
• A/c compressor clutch
• A/c compressor clutch diode (lower left side of engine, at a/c compressor)
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, on liquid line)
• A/c rly (cmpr) fuse 10a
• A/c rly (coil) fuse 10a
• Comp control
• Computer data lines system
• E11
• F11
• G113 (3.8l (vin 1))
• G117 (except 3.8l (vin 1))
• Hot at all times
• Hot in run
• Low reference
• Nca
• Pnk
• Power distribution system
• Powertrain control module (pcm) (in air cleaner box)
• Serial data
• Underhood junction block (bottom) (on front of right strut tower)
• Underhood junction block (top) (on front of right strut tower)

Manual A/C Wiring Diagram for Chevrolet Impala 2004

List of elements for Manual A/C Wiring Diagram for Chevrolet Impala 2004:

• & manifold absolute pressure sensor breakout)
• (behind right center of dash, 8.5 cm from ignition switch breakout)
• (except 3.4l (vin e)) s186
• (forward lamp wiring harness, 31.5 cm from ambient air temperature sensor breakout)
• (forward lamp wiring harness, near left headlamp, 18.5 cm from g101 breakout)
• (in air cleaner box) powertrain control module (pcm)
• (lower left side of engine, at a/c compressor) a/c compressor clutch diode
• (on front of right strut tower) underhood junction block (bottom)
• (top left front of radiator support) g101
• +5v reference
• A/c cmpr relay
• A/c compressor clutch
• A/c cruise fuse 10a
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, on liquid line)
• A/c request ind
• A/c request sig
• A/c request switch
• A/c rly (cmpr) fuse 10a
• A/c rly (coil) fuse 10a
• A10
• A11
• A12
• B blower motor speed ctrl
• B10
• B11
• B12
• Battery
• Blower motor (on right bottom of heater-a/c assembly)
• Blower motor control processor (lower right side of dash)
• Body control module (behind left side of dash, above parking brake lever)
• C battery positive voltage
• C10
• Class 2 serial
• Comp control
• Computer data lines system
• D temp control switch
• D4 c1
• Defog switch
• Defogger system
• Dic/ rke fuse 10a
• Door ctrl
• Door ctrl a
• Door ctrl b
• Dr ctrl a
• Dr ctrl b
• E11
• Ect ground
• Ect signal
• Engine controls system
• Engine coolant temperature (ect) sensor (3.8l (vin k): left rear of engine) (3.4l (vin e): near coolant outlet, on left rear of engine) (3.8l (vin 1): below coolant outlet, on left rear of engine)
• F11
• Fan cont 1 fuse 25a
• Fan cont 1 relay
• Fan cont 2 & 3 fuse 25a
• Fan cont 2 relay
• Fan cont 3 relay
• G113 (3.8l (vin 1)) g117 (except 3.8l (vin 1)) (on transaxle stud, near starter)
• G201 (under dash to right side of steering column)
• G202 (under dash, in center)
• G203 (under dash, to right of steering column)
• Ground
• High
• High speed
• Hot at all times
• Hot in on
• Hvac blower fuse 30a
• Hvac class 2 serial data
• Hvac control module (middle center of dash)
• I/p junction block (left) (left side of dash, behind access panel)
• I/p junction block (right) (right side of dash, behind access panel)
• Ign 3 volt
• Illum
• Interior lights system
• Left air temperature actuator (on left side of heater- a/c assembly)
• Left cooling fan (front of engine compt)
• Logic
• Low
• Low reference
• Low speed
• Mode actuator (lower right side of dash)
• Mode switch
• Nca
• Off blower motor switch
• Out side air ind
• Out side air switch
• P temp control switch
• Pnk
• Position sig
• Power distribution system
• Rear defog rly ctrl
• Recirculation actuator
• Recirculation ind
• Recirculation switch
• Red
• Right air temperature actuator (on right side of heater- a/c assembly)
• Right cooling fan (front of engine compt)
• S148
• S158 (except 3.8l (vin 1)) (3.4l (vin e): left front of engine compt, 4 cm from c112 breakout) (3.8l (vin k): left rear of engine, 6.5 cm from egr valve breakout)
• S175
• S229
• Speed ctrl
• Tan
• Underhood junction block (top) (on front of right strut tower)