AIR CONDITIONING – Audi A4 2.0T Quattro 2010 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, Basic (1 of 2) for Audi A4 2.0T Quattro 2010

List of elements for Automatic A/C Wiring Diagram, Basic (1 of 2) for Audi A4 2.0T Quattro 2010:

• (left side of center tunnel) g687
• 10a
• 12a
• 3.0l
• A/c compressor regulator valve (rear of a/c compressor)
• A/c pressure/ temperature sensor (left side of condenser)
• Air flow door motor (left side of air intake housing)
• Brake light switch
• Center outlet temperature sensor
• Center vent adjustment motor
• Climatronic control module
• Computer data lines system
• Coolant pump (if equipped)
• Defroster door motor (left side of a/c unit)
• Driver's side fuse panel (behind left end of dash)
• Engine coolant level (ecl) sensor
• Evaporator vent temperature sensor (in evaporator housing)
• Footwell flap motor
• Footwell outlet temperature sensor
• Fuse 10a
• Fuse 40a
• Fuse 5a
• Fuse carrier
• G638 (behind right kick panel)
• G639 (behind left kick panel)
• Hot at all times
• Outside air temperature sensor (behind front grille)
• Passenger's side fuse panel (behind right end of dash)
• Recirculation door motor (left side of air intake housing)
• Red
• Sunlight photo sensor (under center of dash)
• T16b
• T16i
• T17i
• T20e
• T32b
• Temperature regulator flap motor
• Vehicle electrical system control module (under left side of dash)

Automatic A/C Wiring Diagram, Basic (2 of 2) for Audi A4 2.0T Quattro 2010

List of elements for Automatic A/C Wiring Diagram, Basic (2 of 2) for Audi A4 2.0T Quattro 2010:

• 11a
• 2.ol
• 3.0l
• After run coolant pump (2.0l: lower left side of engine) (3.0l: lower left front of engine)
• Battery jump start terminal (middle of engine compt plenum chamber)
• Climatronic refrigerant shut-off valve (on refrigerant tube)
• Computer data lines system
• Coolant circulation (ec) pump relay (2.0l w/ after run coolant pump) (on e-box relay/fuse carrier) auxiliary engine coolant (ec) pump relay (3.0l w/ 8z9)
• Coolant fan
• Coolant fan 2
• Coolant fan control (fc) control module (3.0l) (on coolant fan motors)
• Coolant fan control (fc) control module 2 (3.0l) (on coolant fan motors)
• E-box relay/ fuse carrier (in plenum chamber electronics box)
• Engine control module (ecm) (2.0l: left side of engine compt plenum chamber) (3.0l: right rear of engine compt)
• Engine coolant temperature (ect) sensor (2.0l: lower left rear of engine)
• Fresh air blower (under right side of air intake housing)
• Fresh air blower control module (lower right side of air intake housing)
• Fuse 1 60a
• Fuse 15a
• Fuse 2 40a
• Fuse 5a
• G12 (left rear of engine compt)
• G671 (on left front long member)
• G687 (left side of center tunnel)
• Hot at all times
• Instrument cluster control module
• Nca
• Red
• T32f
• T60
• T94

Automatic A/C Wiring Diagram, Comfort (1 of 3) for Audi A4 2.0T Quattro 2010

List of elements for Automatic A/C Wiring Diagram, Comfort (1 of 3) for Audi A4 2.0T Quattro 2010:

• 10a
• 3.0l
• Air flow door motor (left side of air intake housing)
• Brake light switch
• Climatronic control module
• Computer data lines system
• Coolant pump (if equipped)
• Defroster door motor (left side of a/c unit)
• Fuse 10a
• Fuse 40a
• Fuse carrier
• G638 (behind right kick panel)
• G687 (left side of center tunnel)
• Hot at all times
• Instrument cluster control module
• Interior lights system
• Left center vent motor
• Left footwell door motor (left side of a/c unit)
• Left temperature door motor (left side of a/c unit)
• Passenger's side fuse panel (behind right end of dash)
• Rear temperature flap motor
• Rear temperature selection potentiometer (w/ additional lighting equipment)
• Recirculation door motor (left side of air intake housing)
• Red
• Right center vent motor (left side of air intake housing)
• Right footwell door motor (lower left side of air intake housing)
• Right temperature door motor (top left side of air intake housing)
• Sunlight photo sensor (under center of dash)
• T16i
• T20e
• T32f

Automatic A/C Wiring Diagram, Comfort (2 of 3) for Audi A4 2.0T Quattro 2010

List of elements for Automatic A/C Wiring Diagram, Comfort (2 of 3) for Audi A4 2.0T Quattro 2010:

• (behind front grille) outside air temperature sensor
• (bottom of hvac unit) air quality sensor
• 12a
• A/c pressure/ temperature sensor (left side of condenser)
• Automatic day/ night interior mirror
• Computer data lines system
• Driver's side fuse panel (behind left end of dash)
• Engine coolant level (ecl) sensor
• Evaporator vent temperature sensor (in evaporator housing)
• Fresh air blower (under right side of air intake housing)
• Fresh air blower control module (lower right side of air intake housing)
• Fuse 5a
• Fuse carrier
• G639 (behind left kick panel)
• G687 (left side of center tunnel)
• Humidity sensor
• Left footwell temperature sensor (left side of a/c unit)
• Left front upper body outlet temperature sensor (left end of dash)
• Nca
• Right footwell temperature sensor (lower right side of a/c unit)
• Right front upper body outlet temperature sensor (right end of dash)
• T16b
• T17i
• T32b
• T8c
• Vehicle electrical system control module (under left side of dash)

Automatic A/C Wiring Diagram, Comfort (3 of 3) for Audi A4 2.0T Quattro 2010

List of elements for Automatic A/C Wiring Diagram, Comfort (3 of 3) for Audi A4 2.0T Quattro 2010:

• 11a
• 2.ol
• 3.0l
• A/c compressor regulator valve (rear of a/c compressor)
• After run coolant pump (2.0l: lower left side of engine) (3.0l: lower left front of engine)
• Battery jump start terminal (middle of engine compt plenum chamber)
• Climatronic refrigerant shut-off valve (on refrigerant tube)
• Computer data lines system
• Coolant circulation (ec) pump relay (2.0l w/ after run coolant pump) (on e-box relay/fuse carrier) auxiliary engine coolant (ec) pump relay (3.0l w/ 8z9)
• Coolant fan
• Coolant fan 2
• Coolant fan control (fc) control module (3.0l) (on coolant fan motors)
• Coolant fan control (fc) control module 2 (3.0l) (on coolant fan motors)
• E-box relay/ fuse carrier (in plenum chamber electronics box)
• Engine control module (ecm) (2.0l: left side of engine compt plenum chamber) (3.0l: right rear of engine compt)
• Engine coolant temperature (ect) sensor (2.0l: lower left rear of engine)
• Fuse 1 40a
• Fuse 15a
• Fuse 2 60a
• Fuse 5a
• G12 (left rear of engine compt)
• G671 (on left front long member)
• Hot at all times
• Red
• T60
• T94