All Wiring Diagrams for Audi A3 2.0T 2012 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Audi A3 2.0T 2012

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Audi A3 2.0T 2012:

• (behind left kick panel) g44
• (behind right kick panel) g638
• (in engine compt, on a/c high pressure line) high pressure sensor
• (in right plenum chamber) air quality sensor
• 16a
• 22a
• 37a
• A/c compressor regulator valve (rear of a/c compressor)
• Climatronic control module
• Evaporator vent temperature sensor (right front of center console)
• Fresh air blower (under right side of dash)
• Fresh air blower control module (below right side of dash)
• Fuse 10a
• Fuse 20a
• Fuse 40a
• Fuse 5a
• Fuse panel c (under left side of dash)
• G638 (behind right kick panel)
• Hot at all times
• Left footwell vent temperature sensor (left side of hvac unit)
• Left temperature flap motor & potentiometer/ actuator (left side of hvac unit)
• Nca
• Red
• Right footwell vent temperature sensor (top right side of hvac unit)
• Seats system
• T10a
• T16d
• T20j
• W/ heated seats

Automatic A/C Wiring Diagram (2 of 3) for Audi A3 2.0T 2012

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Audi A3 2.0T 2012:

• (front of engine compt, behind radiator) coolant fan 2
• (in left dash air vent) left vent temperature sensor
• (in right dash air vent) right vent temperature sensor
• (top left center of dash) sunlight photo sensor
• 50a
• Central flap motor position sensor (on central flap actuator motor)
• Climatronic control module
• Computer data lines system
• Defroster flap motor position sensor (on defroster flap motor)
• Fuse
• Fuse panel b (integrated in engine compt e-box)
• Hot at all times
• Nca
• Recirculation flap motor & position sensor air flow flap motor & back pressure flap motor position sensor (recirculation flap motor position sensor: on recirculation flap motor) (recirculation flap motor: top left side of intake housing) (air flow flap motor: left side of fresh air blower unit)
• Red
• Right temperature flap motor & potentiometer/actuator (lower right side of hvac unit)
• Seats system
• T12f
• T16e
• T40
• T8d
• W/ electronics box high
• W/ electronics box low

Automatic A/C Wiring Diagram (3 of 3) for Audi A3 2.0T 2012

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Audi A3 2.0T 2012:

• 10a
• 2.0l turbo
• 2.0l turbo diesel
• After-run coolant pump (left side of engine, below oil filter)
• Cbea
• Cbfa
• Ccta
• Ccta & cbfa
• Computer data lines system
• Coolant circulation pump relay (cbfa) (on electronics box high)
• Coolant circulation pump relay (ccta) (on electronics box high)
• Coolant fan
• Coolant fan control (fc) control module (lower left rear of coolant fan)
• Engine control module (in center of plenum chamber)
• Engine controls system
• Engine coolant temperature (ect) sensor (on radiator) (on lower radiator hose)
• Engine coolant temperature sensor (right rear of engine)
• Except cbfa
• Fuse
• Fuse 20a
• Fuse 50a
• Fuse 5a
• Fuse panel a (on electronics box low)
• Fuse panel b (integrated in engine compt e-box)
• G607 (in left plenum chamber)
• G655 (on left headlight long member)
• Hot at all times
• Nca
• T14
• T2az
• T2e
• T40
• T4d
• T60
• T94
• W/ e-box high
• W/ e-box low

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Audi A3 2.0T 2012

List of elements for Anti-lock Brakes Wiring Diagram for Audi A3 2.0T 2012:

• (under steering column) steering column electronic systems control module
• Abs control module (at right rear of engine compt)
• Abs hydraulic pump
• Abs hydraulic unit
• Abs ind lamp
• Asr/esp button
• Asr/esp ind lamp
• Brake light switch (top of brake pedal assembly)
• Brake pad wear ind lamp
• Brake pressure sensor 1
• Computer data lines system
• Driving dynamics regulation high pressure switch valve 1
• Driving dynamics regulation high pressure switch valve 2
• Driving dynamics regulation switch valve 1
• Driving dynamics regulation switch valve 2
• Electronic damping control module (under front passenger's seat)
• Esp sensor unit (under front passenger's seat)
• Fuse 17 5a
• Fuse 2 20a
• Fuse 22
• Fuse 25
• Fuse 39 5a
• Fuse 4
• Fuse 48 40a
• Fuse 5a
• Fuse 6
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G43 (behind right kick panel)
• G44 (behind left kick panel)
• Hot at all times
• Instrument cluster control module
• Interior lights system
• Left front abs inlet valve
• Left front abs outlet valve
• Left front abs wheel speed sensor (on left front front/rear wheel hubs)
• Left front brake pad wear sensor
• Left front level control system sensor (w/o electronic damping) (in left front wheelwell, on suspension link)
• Left rear abs inlet valve
• Left rear abs outlet valve
• Left rear abs wheel speed sensor (on left rear front/rear wheel hubs)
• M/t
• Nca
• Red
• Right front abs inlet valve
• Right front abs outlet valve
• Right front abs wheel speed sensor (on right front front/rear wheel hubs)
• Right rear abs inlet valve
• Right rear abs outlet valve
• Right rear abs wheel speed sensor (on right rear front/rear wheel hubs)
• Steering angle sensor (behind steering wheel)
• T10ae nca
• T26a
• T40
• T52c
• Vehicle electrical system control module (below left side of dash)
• W/ e-box high
• W/ e-box low

ANTI-THEFT

Anti-theft Wiring Diagram (1 of 2) for Audi A3 2.0T 2012

List of elements for Anti-theft Wiring Diagram (1 of 2) for Audi A3 2.0T 2012:

• 12a
• 13a
• 23a
• 28a
• 38a
• Anti-theft immobilizer reading coil
• Central locking safe indicator lamp
• Computer data lines system
• Driver interior locking button
• Driver's door central locking lock unit
• Driver's door control module (integrated in driver's door window regulator motor)
• Front passenger door central locking lock unit
• Front passenger interior locking button
• Front passenger's door control module (integrated in right front door window regulator motor)
• Fuse 10a
• Fuse 30a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• Hot at all times
• Instrument cluster control module
• Interior lights system
• Interior lights systems
• Right rear central locking lock unit
• Right rear door control module (integrated in right rear door window regulator motor)
• T20
• T20a
• T20f
• T20g
• T20m
• T20o
• T32a
• T32b
• T8d
• W/ front passenger's door opener illumination

Anti-theft Wiring Diagram (2 of 2) for Audi A3 2.0T 2012

List of elements for Anti-theft Wiring Diagram (2 of 2) for Audi A3 2.0T 2012:

• (behind right kick panel) g638
• (integrated in antenna amplifier) central locking & anti-theft alarm system antenna
• (left side of luggage compt lid) left antenna module
• 17a
• 3 door
• 5 door
• Alarm horn (if equipped) (in right front wheelwell)
• Antenna amplifier 2
• Central locking & anti-theft alarm system antenna
• Computer data lines system
• Engine hood contact switch
• Fuse 5a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G61 (on left "c" pillar)
• G638 (behind right kick panel)
• G655 (on left headlight long member)
• Hot at all times
• Interior lights system
• Interior monitoring switch & alarm system deactivation switch
• Left rear central locking lock unit
• Left rear door control module (integrated in left rear door window regulator motor)
• Nca
• Parking brake contact switch
• Rear lid alarm switch
• Rear lid central locking system motor
• Rear window breakage sensor (w/ anti-theft alarm)
• Rear window defogger w/ window antenna
• Rear/center interior locking switch
• T20l
• T20n
• T2h
• T52a
• T52b
• T52c
• T6a
• T8ac
• T8b
• Trunk lid alarm switch & rear lid central locking system motor
• Vehicle electrical system control module (below left side of dash)
• W/ navigation
• W/o navigation

BODY CONTROL MODULES

Steering Column Electronic Systems Control Module Wiring Diagram for Audi A3 2.0T 2012

List of elements for Steering Column Electronic Systems Control Module Wiring Diagram for Audi A3 2.0T 2012:

• (behind left kick panel) g44
• (in center of plenum chamber) engine control module (ecm)
• 2.0l cbfa
• Air bag spiral spring/return spring (w/ slip ring) (behind steering wheel)
• Computer data lines system
• Cruise control switch (if equipped)
• Cruise control system computer data lines system
• Driver's air bag igniter
• Driver's air bag igniter 2
• Except 2.0l cbfa
• Fuse 6 fuse 17 5a
• Fuse panel b (integrated in engine compt e-box)
• Hot at all times
• Ignition switch key lock solenoid
• Ignition/starter switch
• Left multi-function buttons
• Mode
• Multi-function steering wheel control module
• Nca
• Right multi-function buttons
• Signal horn activation
• Steering angle sensor (behind steering wheel)
• Steering column electronic systems control module (under steering column)
• Steering wheel control head
• T10ad
• T10ae
• T12z
• T20b
• T40
• T4n
• T52c
• T8ae
• T94
• Tiptronic downshift button
• Tiptronic upshift button
• Transmissions system
• Turn signal switch
• Vehicle electrical system control module (below left side of dash)
• W/ e-box high
• W/ e-box low
• Windshield wiper intermittent mode switch

Vehicle Electrical System Control Module Wiring Diagram (1 of 2) for Audi A3 2.0T 2012

List of elements for Vehicle Electrical System Control Module Wiring Diagram (1 of 2) for Audi A3 2.0T 2012:

• (behind left kick panel) g44
• 15a
• 43a
• Anti-theft system
• Defogger system
• Door locks & defogger systems
• Door locks & trunk, tailgate, fuel doors systems
• Door locks system & anti-theft systems
• Exterior lights system
• Fuse 10a
• Fuse 20a
• Fuse 26 fuse 47 30a
• Fuse 3 fuse 4 5a
• Fuse 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G42
• Headlights & exterior lights systems
• Headlights system
• Horns system
• Hot at all times
• Interior lights system
• Main fuse panel d (right rear of luggage compt)
• Power distribution system
• Power tops system
• Red
• Seats system
• T2ab
• T40
• T52a
• T52b
• Trunk, tailgate, fuel doors system
• Vehicle electrical system control module (below left side of dash)
• W/ battery in engine compartment
• W/ battery in luggage compartment
• W/ e-box high
• W/ e-box low
• Wiper/washer system

Vehicle Electrical System Control Module Wiring Diagram (2 of 2) for Audi A3 2.0T 2012

List of elements for Vehicle Electrical System Control Module Wiring Diagram (2 of 2) for Audi A3 2.0T 2012:

• 17a
• Computer data lines system
• Engine controls system
• Exterior lights system
• Fuse 1 30a
• Fuse 16
• Fuse 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G42
• Headlights
• Headlights system
• Hot at all times
• Interior lights system
• Nca
• Sound systems
• Starting/charging system
• Steering column electronic systems control module circuit
• System
• T40
• T52c
• Transmissions system
• Vehicle electrical system control module (below left side of dash)
• W/ e-box high
• W/ e-box low

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 2) for Audi A3 2.0T 2012

List of elements for Computer Data Lines Wiring Diagram (1 of 2) for Audi A3 2.0T 2012:

• (under left side of dash) data bus on board diagnostic interface
• 16a
• Abs control module (at right rear of engine compt)
• All wheel drive control module (left front of rear axle differential)
• Automatic dimming interior rearview mirror (w/ high beam assist)
• Battery monitoring control module (if equipped) (on battery post)
• Data link connector (under left side of dash)
• Direct shift gearbox (dsg) mechatronic (if equipped) (on transmission housing)
• Electronic damping control module (under front passenger's seat)
• Engine control module (in center of plenum chamber)
• Fuse 10a
• Fuse 12
• Fuse 24 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G42
• G638 (behind right kick panel)
• Generator
• Headlight range control module (behind right center of dash)
• Hot at all times
• Left headlamp power output stage (w/ cornering light)
• Parking aid/parallel parking aissistance control module (right side of luggage compt)
• Power steering control module (below steering rack)
• Rain/light recognition sensor (w/ automatic head lamp aissit) (on interior rearview mirror)
• Right headlamp power output stage (w/ cornering light)
• Selector lever sensor system control module (left side of selector lever base)
• T10k
• T16f
• T20e
• T26a
• T26b
• T2ce
• T3w
• T40
• T6q
• T8y
• T94
• W/ cornering light
• W/ e-box high
• W/ e-box low
• W/o cornering light
• Wiper motor control module (integral to windshield wiper motor)

Computer Data Lines Wiring Diagram (2 of 2) for Audi A3 2.0T 2012

List of elements for Computer Data Lines Wiring Diagram (2 of 2) for Audi A3 2.0T 2012:

• (left side of luggage compt) (if equipped) navigation/ tv tuner
• (left side of luggage compt) (if equipped) satellite radio
• (w/ audi music interface) external audio source connection
• (w/ handsfree) telephone transceiver
• (w/ rns-e) navigation system operating electronics control module (w/o rns-e) radio/navigation display unit control module
• 20 pin connector (not used)
• A/c control module
• Air bag control module (under front of center console)
• Alarm horn (w/ anti-theft alarm system) (in right front wheelwell)
• Auxiliary heater control module
• Bass speakers amplifier
• Climatronic control module
• Driver's door control module (integrated in driver's door window regulator motor)
• Front passenger's door control module (integrated in right front door window regulator motor)
• Inclination/ anti-theft control module (w/ anti-theft alarm system) (under front center console)
• Instrument cluster control module
• Interior monitoring sensor (w/ anti-theft alarm system) (in front interior/reading lamp)
• Left rear door control module (integrated in left rear door window regulator motor)
• Radio (if equipped)
• Right rear door control module (integrated in right rear door window regulator motor)
• Steering column electronic systems control module (under steering column)
• T16e
• T16g
• T20
• T20a
• T20b
• T20f
• T20g
• T20i
• T20l
• T20m
• T20n
• T20o
• T2av
• T52b
• T52c
• T8t
• Tire pressure monitoring control module (behind glove compt)
• Towing recognition control module (right side of luggage compt)
• Vehicle electrical system control module (below left side of dash)
• Vehicle positioning system interface control module

COOLING FAN

Cooling Fan Wiring Diagram for Audi A3 2.0T 2012

List of elements for Cooling Fan Wiring Diagram for Audi A3 2.0T 2012:

• 10a
• 2.0l turbo
• 2.0l turbo diesel
• After-run coolant pump (left side of engine, below oil filter)
• Cbea
• Cbfa
• Ccta
• Ccta & cbfa
• Computer data lines system
• Coolant circulation pump relay (cbfa) (on electronics box high)
• Coolant circulation pump relay (ccta) (on electronics box high)
• Coolant fan
• Coolant fan 2 (front of engine compt, behind radiator)
• Coolant fan control (fc) control module (lower left rear of coolant fan)
• Engine control module (in center of plenum chamber)
• Engine controls system
• Engine coolant temperature sensor (on radiator) (on lower radiator hose)
• Engine coolant temperature sensor (right rear of engine)
• Except cbfa
• Fuse
• Fuse 20a
• Fuse 50a
• Fuse 5a
• Fuse panel a (on electronics box low)
• Fuse panel b (integrated in engine compt e-box)
• G607 (in left plenum chamber)
• G655 (on left headlight long member)
• Hot at all times
• Nca
• T14
• T2az
• T2e
• T40
• T4d
• T60
• T94
• W/ e-box high
• W/ e-box low

CRUISE CONTROL

2.0L TURBO

2.0L Turbo, Cruise Control Wiring Diagram for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Cruise Control Wiring Diagram for Audi A3 2.0T 2012:

• Accelerator pedal position sensor & accelerator pedal position sensor 2 (accelerator pedal position sensor 2: on accelerator pedal)
• All-wheel drive control module (left front of rear axle differential)
• Brake light switch & brake pedal switch (brake light switch: top of brake pedal assembly)
• Cbfa
• Ccta
• Clutch position sensor (m/t) (on clutch slave cylinder assembly)
• Computer data lines system
• Cruise control ind
• Cruise control switch (if equipped)
• Direct shift gearbox (dsg) mechatronic (on transmission housing)
• Fuse 22 fuse 39 5a
• Fuse 6 fuse 17 5a
• Fuse panel b (integrated in engine compt e-box)
• G44 (behind left kick panel)
• Hot at all times
• Instrument cluster control module
• M/t
• Motronic engine control module (in center of plenum chamber)
• Nca
• Steering column electronic systems control module (under steering column)
• T20b
• T20e
• T40
• T4al
• T60
• T6q
• T8q
• T94
• Throttle valve control module (on throttle body)
• Transmission input speed (rpm) sensor
• Transmission output speed (rpm) sensor
• Transmission output speed (rpm) sensor 2
• W/ e-box high
• W/ e-box low

2.0L TURBO DIESEL

2.0L Turbo Diesel, Cruise Control Wiring Diagram for Audi A3 2.0T 2012

List of elements for 2.0L Turbo Diesel, Cruise Control Wiring Diagram for Audi A3 2.0T 2012:

• Accelerator pedal position sensor & accelerator pedal position sensor 2 (accelerator pedal position sensor 2: on accelerator pedal)
• All-wheel drive control module (left front of rear axle differential)
• Brake light switch & brake pedal switch (brake light switch: top of brake pedal assembly)
• Computer data lines system
• Cruise control ind
• Cruise control switch (if equipped)
• Direct shift gearbox (dsg) mechatronic (on transmission housing)
• Engine control module (ecm) (in center of plenum chamber)
• Fuse 20a
• Fuse 22 fuse 39 5a
• Fuse 6 fuse 17 5a
• Fuse panel b (integrated in engine compt e-box)
• G44 (behind left kick panel)
• G655 (on left headlight long member)
• Hot at all times
• Instrument cluster control module
• Nca
• Steering column electronic systems control module (under steering column)
• T20b
• T20e
• T40
• T4al
• T60
• T6q
• T8y
• T94
• Throttle valve control module (on throttle body)
• Transmission input speed (rpm) sensor
• Transmission output speed (rpm) sensor
• Transmission output speed (rpm) sensor 2
• W/ e-box high
• W/ e-box low

DEFOGGERS

Heated Mirrors Wiring Diagram for Audi A3 2.0T 2012

List of elements for Heated Mirrors Wiring Diagram for Audi A3 2.0T 2012:

• 12a
• Climatronic control module (w/ a/c display control head)
• Computer data lines system
• Driver heated outside mirror
• Driver's door control module (integrated in driver's door window regulator motor)
• Driver's exterior rearview mirror
• Front passenger heated outside mirror
• Front passenger's door control module (integrated in right front door window regulator motor)
• Fuse 10a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• Hot at all times
• Nca
• Passenger side exterior rearview mirror
• T16b
• T16c
• T16e
• T20
• T20a
• T20f
• T20g

Rear Defogger Wiring Diagram for Audi A3 2.0T 2012

List of elements for Rear Defogger Wiring Diagram for Audi A3 2.0T 2012:

• 25a
• Climatronic control module (a/c display control head)
• Computer data lines system
• Fuse 30a
• Fuse 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G42
• G61 (on left "c" pillar)
• G62 (on right "c" pillar)
• G638 (behind right kick panel)
• Heater control module (if equipped)
• Hot at all times
• Left antenna module (left side of luggage compt lid)
• Nca
• Power distribution system
• Rear window defogger
• Rear window defogger indicator lamp
• Rear window defogger relay (on relay carrier on vehicle electrical system control module)
• Rear window defogger switch
• Rear window defogger w/ window antenna
• T16e
• T40
• T52a
• T52b
• T52c
• T6a
• T8ac
• Vehicle electrical system control module (below left side of dash)
• W/ 3 door version
• W/ 5 door version
• W/ electronics box high
• W/ electronics box low
• W/ navigation
• W/o navigation
• Windshield antenna suppression filter (in rear lid)
• Windshield antenna suppression filter (w/ navigation) (in rear lid)

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Audi A3 2.0T 2012

List of elements for Electronic Power Steering Wiring Diagram for Audi A3 2.0T 2012:

• Computer data lines system
• Fuse 10a
• Fuse 80a
• Fuse panel a (on electronics box low)
• Fuse panel c (under left side of dash)
• G671 (on left front long member)
• Hot at all times
• Nca
• Power steering control module (below steering rack)
• Red
• Steering angle sensor (behind steering wheel)
• Steering column electronic systems control module (under steering column)
• Steering torque sensor (in power steering rack)
• T10ae
• T20b
• T2a
• T3w
• T5a

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Audi A3 2.0T 2012

List of elements for Electronic Suspension Wiring Diagram for Audi A3 2.0T 2012:

• (in left front wheel well)
• (in left rear wheel well)
• (in right front wheel well)
• (in right rear wheel well)
• (in right rear wheel well, on suspension link)
• 20a
• Computer data lines system
• Dampening adjustment button
• Electronic damping control module (under front passenger's seat)
• Fuse 30a
• Fuse 5a
• Fuse panel a (on electronics box low)
• Fuse panel c (under left side of dash)
• G638 (behind right kick panel)
• Hot at all times
• Left front dampening adjustment valve
• Left front level control system sensor (in left front wheel well, on suspension link)
• Left rear dampening adjustment valve
• Left rear level control system sensor (in left rear wheel well, on suspension link)
• Pnk
• Red
• Right front dampening adjustment valve
• Right front level control sensor (in right front wheel well, on suspension link)
• Right rear dampening adjustment valve
• Right rear level control system sensor
• T52b
• Vehicle electrical system control module (below left side of dash)

ENGINE PERFORMANCE

2.0L TURBO

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (1 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (1 of 6) for Audi A3 2.0T 2012:

• (in left plenum chamber) g607
• A/t
• Cooling fans system
• Cruise control system
• Cruise control system starting/ charging system
• Engine control module (in center of plenum chamber)
• Engine coolant temperature (ect) sensor (radiator) (on lower radiator hose)
• Fuse 10a
• Fuse 20a
• Fuse 22
• Fuse 24 fuse 38 10a
• Fuse 25a
• Fuse 39 5a
• Fuse 5a
• Fuse panel b (integrated in engine compt e-box)
• Hot at all times
• M/t
• Map controlled engine cooling thermostat
• Nca
• Oxygen sensor (o2s) 3 behind three way catalytic converter (twc) & oxygen sensor (o2s) 1 behind three way catalytic converter (twc) heater (under vehicle, in exhaust)
• Oxygen sensor (o2s) behind three way catalytic converter (twc) & heater (under vehicle, in exhaust)
• Power distribution system
• Radiator identification sensor
• Red
• T14
• T40
• T94
• W/ e-box high
• W/ e-box low

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (2 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (2 of 6) for Audi A3 2.0T 2012:

• (below left side of dash) vehicle electrical system control module
• (in left plenum chamber) g607
• (left side of engine, below oil filter) after-run coolant pump
• (on clutch slave cylinder assembly) (m/t) clutch position sensor
• 14-pin connector (not used)
• A/t
• Abs control module (at right rear of engine compt)
• Accelerator pedal position sensor & accelerator pedal position sensor 2 (on accelerator pedal)
• Brake light switch & brake pedal switch (brake light switch: top of brake pedal assembly)
• Coolant circulation pump relay (on electronics box high)
• Direct shift gear box (dsg) mechatronic (on transmission housing)
• G44 (behind left kick panel)
• G607 (in left plenum chamber)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater (in exhaust at turbocharger exit)
• Leak detection pump (ldp) (under wheel housing liner, in right rear wheel housing)
• M/t
• Nca
• Red
• T14
• T20e
• T2az
• T52b
• T52c
• W/ start/stop system
• W/o start/stop system

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (3 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (3 of 6) for Audi A3 2.0T 2012:

• (awd) fuel level sensor 2
• (on fuel pump, top of fuel tank) fuel pump (fp) control module
• (top of fuel tank) fuel level sensor & transfer fuel pump (fp)
• Fuse 40a
• Fuse panel b (integrated in engine compt e-box)
• G15
• G62 (on right "c" pillar)
• G655 (on left headlight)
• Hot at all times
• Ignition coils w/ power output stage (top of cylinder head, above cylinders)
• Nca
• Red
• Secondary air injection (air) pump relay
• T14
• T40
• To spark plug

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (4 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (4 of 6) for Audi A3 2.0T 2012:

• 18a
• 27a
• Camshaft position (cmp) sensor (front of cylinder head)
• Computer data lines system
• Engine coolant level/temperature (ecl/ect) lamp
• Engine coolant temperature (ect) gauge
• Engine coolant temperature (ect) sensor (right rear of engine)
• Engine electronics ind lamp
• Fuel gauge
• Fuel pressure sensor (on left side of engine, in fuel rail)
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse panel c (under left side of dash)
• Hot at all times
• Instrument cluster control module
• Knock sensor (ks) 1 (on left front of engine block, near head)
• Knock sensor (ks) 2 (on left rear of engine block, near head)
• Low fuel level ind lamp
• Mil ind
• Nca
• Nca nca
• Oil pressure lamp
• Oil pressure switch (on oil filter bracket)
• Red
• Secondary air injection sensor 1
• T14
• T6s

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (5 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (5 of 6) for Audi A3 2.0T 2012:

• (on engine block near transmission) engine speed (rpm) sensor
• (on engine intake air duct) mass air flow (maf) sensor
• (on throttle body) throttle valve control module
• Cylinder fuel injectors (right side of engine, below intake manifold)
• Engine control module (in center of plenum chamber)
• Fuse 10a
• Fuse panel c (under left side of dash)
• Nca
• Red
• T60
• T8i

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (6 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (6 of 6) for Audi A3 2.0T 2012:

• (in charge air pipe) charge air pressure sensor
• (left side of engine) intake air temp- erature (iat) sensor
• (on cylinder head, in intake manifold) intake manifold runner position sensor
• (on left headlight) long member) g655
• Camshaft adjustment valve 1 (top rear of right cylinder head)
• Computer data lines system
• Engine control module (in center of plenum chamber)
• Evaporative emission (evap) canister purge regulator valve 1 (left rear of engine)
• Fuel pressure regulator valve (rear of engine)
• Fuse 10a
• Fuse panel b (integrated in engine compt e-box)
• Hot at all times
• Intake manifold runner control (imrc) valve
• Nca
• Red
• Secondary air injection (air) pump motor
• Secondary air injection (air) solenoid valve
• T14
• T40
• T60
• T6s
• T94
• Turbocharger recirculation valve
• Wastegate bypass regulator valve (on turbocharger)

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (1 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (1 of 6) for Audi A3 2.0T 2012:

• (in left plenum chamber) g607
• 14 pin connector (not used) t14
• A/t
• Cooling fans system
• Cruise control system
• Engine control module (in center of plenum chamber)
• Engine coolant temperature (ect) sensor (radiator) (on lower radiator hose)
• Fuse 10a
• Fuse 20a
• Fuse 24 fuse 38 10a
• Fuse 25a
• Fuse 5a
• Fuse fuse 5a
• Fuse panel b (integrated in engine compt e-box)
• Hot at all times
• M/t
• Nca
• Oxygen sensor (o2s) behind three way catalytic converter (twc) & oxygen sensor (o2s) 1 (behind three way catalytic converter (twc)) heater (under vehicle, in exhaust)
• Red
• Starting/charging system
• T14
• T40
• T94
• W/ e-box high
• W/ e-box low

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (2 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (2 of 6) for Audi A3 2.0T 2012:

• (below left side of dash) vehicle electrical system control module
• (brake light switch: top of brake pedal assembly) brake light switch & brake pedal switch
• (on clutch slave cylinder assembly) (m/t) clutch position sensor
• A/t
• Abs control module (at right rear of engine compt)
• Accelerator position sensor & accelerator pedal position sensor 2 (on accelerator pedal)
• Coolant circulation pump relay (on electronics box high)
• Fuse 20a
• Fuse panel b (integrated in engine compt e-box)
• G44 (behind left kick panel)
• G607 (in left plenum chamber)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater (in exhaust, at turbocharger exit)
• Hot at all times
• Leak detection pump (ldp) (under wheel housing liner, in right rear wheel housing)
• M/t
• Nca
• Red
• T14
• T40
• T52b
• T52c
• Transmissions system

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (3 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (3 of 6) for Audi A3 2.0T 2012:

• (awd) fuel level sensor 2
• (in left plenum chamber) g607
• (on fuel pump, top of fuel tank) fuel pump (fp) control module
• (on right "c" pillar) g62
• (top of fuel tank) fuel level sensor & transfer fuel pump (fp)
• After-run coolant pump (left side of engine, below oil filter)
• G15
• G655 (on left headlight long member)
• Ignition coils w/ power output stage (top of cylinder head, above cylinder)
• Nca
• Red
• T14
• T2az
• To spark plug

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (4 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (4 of 6) for Audi A3 2.0T 2012:

• 27a
• Camshaft position (cmp) sensor (front of cylinder head)
• Computer data lines system
• Engine coolant level/temperature (ecl/ect) lamp
• Engine coolant temperature (ect) gauge
• Engine coolant temperature (ect) sensor (right rear of engine)
• Engine electronics ind lamp
• Fuel gauge
• Fuel pressure sensor (on left side of engine, in fuel rail)
• Fuse 10a
• Fuse 15a
• Fuse panel c (under left side of dash)
• Hot at all times
• Instrument cluster control module
• Knock sensor (ks) 1 (on left front of engine block, near head)
• Low fuel level ind
• Mil ind
• Nca
• Oil pressure indicator
• Oil pressure switch (on oil filter bracket)
• T14
• T6s

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (5 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (5 of 6) for Audi A3 2.0T 2012:

• (on engine block near transmission) engine speed (rpm) sensor
• (on engine intake air duct) mass air flow (maf) sensor
• (on throttle body) throttle valve control module
• Cylinder fuel injectors (right side of engine, below intake manifold)
• Engine control module (in center of plenum chamber)
• Fuse 10a
• Fuse panel c (under left side of dash)
• Nca
• T60
• T8i

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (6 of 6) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (6 of 6) for Audi A3 2.0T 2012:

• (in charge air pipe) charge air pressure sensor
• (left side of engine) intake air temp- erature (iat) sensor
• (on cylinder head, in intake manifold) intake manifold runner position sensor
• Camshaft adjustment valve 1 (top rear of right cylinder head)
• Computer data lines system
• Engine control module (in center of plenum chamber)
• Evaporative emission (evap) canister purge regulator valve 1 (left rear of engine)
• Fuel pressure regulator valve (rear of engine)
• Fuse 10a
• Fuse panel b (integrated in engine compt e-box)
• Hot at all times
• Intake manifold runner control (imrc) valve
• Nca
• Oil pressure regulator valve
• T14
• T40
• T60
• T6s
• T94
• Turbocharger recirculation valve
• Wastegate bypass regulator valve (on turbocharger)

2.0L TURBO DIESEL

2.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 5) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 5) for Audi A3 2.0T 2012:

• (behind left kick panel) g639
• (in left plenum chamber) g607
• (on accelerator pedal) accelerator pedal position sensor 2 & acceleration position sensor
• (on engine intake air duct) mass air flow (maf) sensor
• Auxiliary heater heating element
• Cruise control system
• Engine control module (in center of plenum chamber)
• Engine coolant temperature (ect) sensor (on radiator) (on lower radiator hose)
• Engine preheating heating element
• Exhaust gas temperature (egt) sensor 1
• Exhaust gas temperature (egt) sensor 2
• Exhaust gas temperature (egt) sensor 3
• Exhaust gas temperature (egt) sensor 4
• Fuse 10a
• Fuse 30a
• Fuse 40a
• Fuse 80a
• Fuse panel a (on electronics box low)
• Fuse panel b (integrated in engine compt e-box)
• Heater control module (if equipped)
• Left front bumper socket
• Nca
• Red
• T14
• T40
• T94

2.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 5) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 5) for Audi A3 2.0T 2012:

• (behind left kick panel) g44
• (below left side of dash) vehicle electrical system control module
• (brake light switch: top of brake pedal assembly) brake light switch & brake pedal switch
• (in exhaust at turbocharger exit)
• (under vehicle, in exhaust) oxygen sensor (o2s) behind three way catalytic converter (twc) & oxygen sensor 1 (o2s) (behind three way catalytic converter (twc)) heater
• Abs control module (at right rear of engine compt)
• Differential pressure sensor
• Egr potenti- ometer & exhaust gas recirculation (egr) motor
• Engine speed (rpm) sensor (on engine block near transmission)
• Exhaust door control unit
• Exhaust pressure sensor 1
• Fuel pressure sensor (on left side of engine, in fuel rail)
• G655 (on left headlight long member)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater
• High heat output relay
• Low heat output relay
• Nca
• Red
• T14
• T149
• T52b
• T52c
• Throttle valve control module (on throttle body)
• Transmissions system

2.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 5) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 5) for Audi A3 2.0T 2012:

• (top of fuel tank) fuel level sensor & transfer fuel pump (fp)
• Automatic glow time control module
• Auxiliary fuel pump
• Auxiliary fuel pump relay
• Egr temperature sensor
• Engine control module (in center of plenum chamber)
• Engine coolant temperature (ect) sensor (right rear of engine)
• Fuel pump (fp) relay
• Fuel temperature sensor
• Fuse 50a
• Fuse 5a
• Fuse panel b (integrated in engine compt e-box)
• G607 (in left plenum chamber)
• G62 (on right "c" pillar)
• G638 (behind right kick panel)
• Red
• T14
• T40
• T60

2.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 5) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 5) for Audi A3 2.0T 2012:

• (on oil filter bracket) oil pressure switch
• 27a
• Camshaft position (cmp) sensor (front of cylinder head)
• Computer data lines system
• Diesel particle filter indicator lamp
• Engine coolant level/temp (ecl/ect) lamp
• Engine coolant temperature (ect) gauge
• Engine electronics ind
• Fuel gauge
• Fuel metering valve
• Fuel pressure regulator valve (rear of engine)
• Fuse 10a
• Fuse 15a
• Fuse panel c (under left side of dash)
• Instrument cluster control module
• Internal pressure sensor cylinder 1 & glow plug 1
• Internal pressure sensor cylinder 2 & glow plug 2
• Internal pressure sensor cylinder 3 & glow plug 3
• Internal pressure sensor cylinder 4 & glow plug 4
• Low fuel level ind
• Mil ind
• Oil pressure lamp
• Red
• T14

2.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 5) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 5) for Audi A3 2.0T 2012:

• (if equipped) positive crankcase ventilation (pcv) heating element
• (in charge air pipe) intake air temperature (iat) & charge air pressure sensor
• Charge pressure actuator position sensor
• Computer data lines system
• Cooling fans system
• Cylinder fuel injectors (right side of engine, below intake manifold)
• Engine control module (in center plenum chamber)
• Exhaust gas recirculation (egr) position sensor 2 & motor 2
• Fuse 10a
• Fuse 20a
• Fuse 22 fuse 39 5a
• Fuse panel b (integrated in engine compt e-box)
• Intake manifold runner position sensor & intake flap motor (on intake manifold & rear of cylinder head)
• Red
• Starting/charging system
• T14
• T40
• T4at
• T60
• T94
• W/ e-box high
• W/ e-box low
• Wastegate bypass regulator valve (on turbocharger)

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Audi A3 2.0T 2012

List of elements for Backup Lamps Wiring Diagram for Audi A3 2.0T 2012:

• (on left "c" pillar)
• (top of transmission) (m/t) backup light switch
• Backup lamp
• Computer data lines system
• Direct shift gearbox (dsg) mechatronic (on transmission housing)
• Fuse 5a
• Fuse panel c (under left side of dash)
• G61
• G61 (on left "c" pillar)
• Left taillamp assembly 1
• Right taillamp assembly 1
• T20e
• T52a
• T52c
• T8ac
• T8b
• Vehicle electrical system control module (below left side of dash)

Exterior Lamps Wiring Diagram (1 of 2) for Audi A3 2.0T 2012

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Audi A3 2.0T 2012:

• (behind right kick panel) g638
• Backup lamp
• Backup lamps circuit
• Brake lamp
• Brake/ turn signal lamp
• Computer data lines system
• Electronics w/ box high
• Electronics w/ box low
• Emergency flasher switch
• Front turn signal lamp
• Fuse 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G42
• G61 (on left "c" pillar)
• G655 (on left headlight long member)
• Hot at all times
• Instrument cluster control module
• Left headlight assembly
• Left taillamp assembly
• Left turn signal ind lamp
• License plate light
• Light switch
• Marker lamp
• Nca
• Parking light ind lamp
• Rear turn signal lamp
• Right turn signal ind lamp
• Steering column electronic systems control module (under steering column)
• T10ad
• T10e
• T20b
• T40
• T52a
• T52b
• T52c
• T8ac
• T8b
• Tail lamp
• Turn signal switch
• Vehicle electrical system control module (below left side of dash)
• W/ bi-xenon headlights
• W/ drl, automatic headlight & taillight control
• W/o bi-xenon headlights

Exterior Lamps Wiring Diagram (2 of 2) for Audi A3 2.0T 2012

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Audi A3 2.0T 2012:

• (brake light switch: top of brake pedal assembly) brake light switch/brake padel switch
• 16a
• Abs control module (at right rear of engine compt)
• Backup lamp
• Backup lamps circuit
• Brake lamp
• Brake/ turn lamp
• Cbea
• Ccta & cbfa
• Computer data lines system
• Driver exterior mirror turn signal lamp
• Driver's door control module (integrated in driver's door t16b window regulator motor)
• Electronics w/ box high
• Electronics w/ box low
• Engine control module (ecm) (in center of plenum chamber)
• Front passenger exterior mirror turn signal lamp
• Front passenger's door control module (integrated in right front door window regulator motor)
• Front turn signal lamp
• Fuse 10a
• Fuse 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G61 (on left "c" pillar)
• G62 (on right "c" pillar)
• G638 (behind right kick panel)
• High mount brake light
• Hot at all times
• M/t
• Marker lamp
• Nca
• Rain/light recognition sensor (on interior rearview mirror)
• Rear turn signal lamp
• Right headlight assembly
• Right taillamp assembly 1
• Right taillamp assembly 2
• T16c
• T20f
• T20g
• T2aw
• T40
• T8ac
• T8b
• T94
• Tail lamp
• W/ bi-xenon headlights
• W/o bi-xenon headlights
• Wiper/washer system

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Audi A3 2.0T 2012

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Audi A3 2.0T 2012:

• A/c compressor regulator valve, left front fog lamp (if equipped), driver door control module, left rear door control module, driver backrest heating element & power sunroof control module
• Brake light switch
• Central locking safe indicator lamp, steering column electronic systems control module, instrument cluster control module, light switch, vehicle electrical system control module & data link connector (dlc)
• Data bus on board diagnostic interface, ashtray illumination, parking brake contact switch, emergency flasher switch, selector lever sensor system control module, headlamp range control module, center console storage illumination (if equipped), tire pressure monitoring control module & asr/esp button
• Driver seat heater control module, driver backrest heating element, left front heated seat, driver seat lumbar support adjustment switch & driver's power seat switch
• Fresh air blower control module & electronic damping control module
• Front passenger backrest heating element & front passenger seat lumbar support adjustment switch
• Front passenger door control module, right rear door control module, front passenger backrest heating element, 12v socket, right front fog lamp (if equipped) & headlamp washer pump
• G42
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• Left front brake pad wear sensor
• Left washer nozzle heater (if equipped), right washer nozzle heater (if equipped), high pressure sensor, alarm horn (if equipped) & auxiliary fuel pump (cbea)
• Rain/light recognition sensor (automatic head & taillight control), front interior light, garage door opener control module, driver vanity mirror lamp contact switch & front passenger vanity mirror lamp contact switch
• Red
• Right headlight assembly, high tone horn & low tone horn
• Steering column electronic systems control module, data bus on board diagnostic interface & instrument cluster control module
• Storage compartment lighting, glove compartment lamp switch, damping adjustment button, parking aid button, air quality sensor, climatronic control module (w/ a/c display control head), tire pressure monitoring button (w/ hill hold assist) & heater control module (if equipped)
• Vehicle electrical system control module

Ground Distribution Wiring Diagram (2 of 3) for Audi A3 2.0T 2012

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Audi A3 2.0T 2012:

• Amplifier
• Amplifier shield
• Amplifier/woofer shield
• Coolant fan control (fc) control module & 230v/110v exterior socket
• Direct shift gearbox (dsg) mechatronic
• External audio source connection shield
• G610 (under front of center console)
• G655 (on left headlight long member)
• G662 (behind left quarter panel)
• Ignition coil 1 to 4 w/ power output stage (except cbea)
• Ipod baseplate shield, cd changer shield & usb connection baseplate shield
• Left headlight assembly, wiper motor control module, engine hood contact switch & oil level thermal sensor
• Nca
• Operating electronics, navigation control module shield, radio shield, cd changer, ipod baseplate, usb connection baseplate & radio/navigation display unit control module shield
• Radio shield (w/ external audio source)
• Radio, telephone transceiver, radio/ navigation display unit control module, operating electronics, navigation control module, external audio source connection & 8 pin connector (prepared for radio)
• Satellite radio shield & radio shield
• Secondary air injection (air) pump motor (cbfa) suppressor
• Telephone amplifier (w/o cellular telephone 9zx), amplifier/woofer, satellite radio (if equipped), navigation/tv tuner (w/ tv tuner) & bass speaker amplifier
• Throttle valve control module (cbea)

Ground Distribution Wiring Diagram (3 of 3) for Audi A3 2.0T 2012

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Audi A3 2.0T 2012:

• (except cbea)
• Abs control module
• Battery
• Clutch position sensor (m/t), engine control module (ecm), after-run coolant pump (except cbea), & automatic glowtime control module (cbea)
• G12 (left side of engine compt)
• G15
• G18
• G43 (behind right kick panel)
• G53 (right side of rear lid)
• G607 (in left plenum chamber)
• G61 (on left "c" pillar)
• G62 (on right "c" pillar)
• G671 (on left front long member)
• Heated rear window (w/o radio)
• Ignition coil 1 to 4 w/ power output stage
• Power steering control module
• Rear interior light, luggage compartment light, all wheel drive control module, left taillamp assembly 2 & radio frequency controlled clock receiver
• Rear window defogger (w/ radio/navigation) metering pump, parallel parking assistance control module, fuel pump (fp) control module (except cbea), socket, park aid control module, right taillamp assembly 2 & fuel level sensor (cbea)
• Release button in rear lid handle, rear lid handle unlock switch, rear lid central locking system motor, trunk lid alarm switch (3 door), rear window glass breakage sensor (w/ anti-theft alarm), right taillamp assembly 1, high mount brake light, license plate light, rear lid alarm switch, left taillamp assembly 1 & rear window wiper motor
• Windshield antenna suppression filter (w/ radio or navigation system)

HEADLIGHTS

Headlights Wiring Diagram, with Bi-Xenon with Cornering Headlights (1 of 2) for Audi A3 2.0T 2012

List of elements for Headlights Wiring Diagram, with Bi-Xenon with Cornering Headlights (1 of 2) for Audi A3 2.0T 2012:

• (not used)
• (under steering column) steering column electronic systems control module
• Adaptive cornering light motor
• Ambient lighting deactivation switch (coming- home- switch)
• Computer data lines system
• Drl & parking lamp control module
• Exterior lights system
• Fog lamp switch (if equipped)
• Front turn signal lamp
• Fuse 10a
• Fuse 5a
• Fuse 6 fuse 17 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G42
• G44 (behind left kick panel)
• G655 (on left headlight long member)
• Headlamp beam adjustment motor
• Headlamp power output stage
• Hi-beam ind
• Hid lamp
• Hid lamp control module
• Hot at all times
• Instrument cluster control module
• Interior lights system
• Led parking lamp/drl module
• Left headlight assembly
• Light switch
• Low beam reflector motor
• Marker lamp
• Nca
• Swivel module position sensor
• T10e
• T20b
• T40
• T52a
• T52b
• T52c
• T6j
• Turn signal switch
• Vehicle electrical system control module (below left side of dash)
• W/ drl & taillight control
• W/ e-box high
• W/ e-box low
• W/ front fog lamps

Headlights Wiring Diagram, with Bi-Xenon with Cornering Headlights (2 of 2) for Audi A3 2.0T 2012

List of elements for Headlights Wiring Diagram, with Bi-Xenon with Cornering Headlights (2 of 2) for Audi A3 2.0T 2012:

• (not used)
• Adaptive cornering light motor
• Computer data lines system
• Drl & parking lamp control module
• Front turn signal lamp
• Fuse 5a
• Fuse panel c (under left side of dash)
• G638 (behind right
• G638 (behind right kick panel)
• Headlamp beam adjustment motor
• Headlamp power output stage
• Headlight range/ cornering lamp control module
• Hid lamp
• Hid lamp control module
• Kick panel)
• Led parking lamp/drl module
• Left front level control system sensor (w/o electronic damping) (in left front wheelwell, on suspension link)
• Left rear level control system sensor (w/o electronic damping) (in left rear wheelwell, on suspension link)
• Low beam reflector motor
• Parking brake contact switch
• Parking lamp
• Right headlight assembly
• Swivel module position sensor

Headlights Wiring Diagram, with Bi-Xenon without Cornering Headlights (1 of 2) for Audi A3 2.0T 2012

List of elements for Headlights Wiring Diagram, with Bi-Xenon without Cornering Headlights (1 of 2) for Audi A3 2.0T 2012:

• Ambient lighting deactivation switch (coming- home- switch)
• Computer data lines system
• Exterior lights system
• Fog lamp switch (if equipped)
• Front turn signal lamp
• Fuse 10a
• Fuse panel c (under left side of dash)
• G42
• G44 (behind left kick panel)
• G655 (on left headlight long member)
• Headlamp beam adjustment motor
• Hid lamp
• Hid lamp control module
• Interior lights system
• Led parking lamp/ drl module
• Left headlight assembly
• Light switch
• Low beam reflector motor
• Parking lamp
• T10e
• T52a
• T52b
• T52c
• T6j
• Vehicle electrical system control module (below left side of dash)
• W/ drl & w/ automatic headlamp switching
• W/ front fog lamps

Headlights Wiring Diagram, with Bi-Xenon without Cornering Headlights (2 of 2) for Audi A3 2.0T 2012

List of elements for Headlights Wiring Diagram, with Bi-Xenon without Cornering Headlights (2 of 2) for Audi A3 2.0T 2012:

• (in left front wheelwell, on suspension link) (w/o electronic damping) left front level control system sensor
• (in left rear wheelwell, on suspension link) (w/o electronic damping) left rear level control system sensor
• Computer data lines system
• Front turn signal lamp
• G638 (behind right kick panel)
• Headlamp beam adjustment motor
• Headlight range control module (behind right center of dash)
• Hi-beam ind
• Hid lamp
• Hid lamp control module
• Instrument cluster control module
• Led parking lamp/ drl module
• Low beam reflector motor
• Parking brake contact switch
• Parking lamp
• Right headlight assembly

Headlights Wiring Diagram, without Bi-Xenon Headlights for Audi A3 2.0T 2012

List of elements for Headlights Wiring Diagram, without Bi-Xenon Headlights for Audi A3 2.0T 2012:

• (behind right kick panel) g638
• 16a
• Ambient lighting deactivation switch (coming-home-switch)
• Computer data lines system
• Daytime running light & parking light lamp
• Emergency flasher switch
• Exterior lights system
• Fog lamp switch (if equipped)
• Fuse 10a
• Fuse 6 fuse 17 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G42
• G44 (behind left kick panel)
• G638 (behind right
• G638 (behind right kick panel)
• G655 (on left headlight long member)
• Hi-beam ind
• High beam head lamp
• Hot at all times
• Instrument cluster control module
• Instrument panel illumination dimmer switch
• Interior lights system
• Kick panel)
• Left front fog lamp (if equipped)
• Left headlight assembly
• Light switch
• Low beam head lamp
• Nca
• Parking brake contact switch
• Right front fog lamp (if equipped)
• Right headlight assembly
• Steering column electronic systems control module (under steering column)
• T10e
• T20b
• T2bw
• T40
• T52a
• T52b
• T52c
• T6j
• Turn signal switch
• Vehicle electrical system control module (below left side of dash)
• W/ drl & taillight control
• W/ e-box high
• W/ e-box low
• W/ front fog lamps

HORN

Horn Wiring Diagram for Audi A3 2.0T 2012

List of elements for Horn Wiring Diagram for Audi A3 2.0T 2012:

• (not used)
• Air bag spiral spring/return spring (w/ slip ring) (behind steering wheel)
• Computer data lines system
• Fuse 17 fuse 5 15a
• Fuse panel b (integrated in engine compt e-box)
• G638 (behind right kick panel)
• High tone signal horn (behind lower right air inlet grille)
• Horn relay (on relay carrier on vehicle electrical system control module)
• Hot at all times
• Low tone signal horn (behind lower right air inlet grille)
• Multi-function steering wheel control module
• Nca
• Signal horn activation
• Steering column electronic systems control module (under steering column)
• Steering wheel control head
• T20b
• T40
• T52b
• T52c
• Vehicle electrical system control module (below left side of dash)
• W/ e-box high
• W/ e-box low

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Audi A3 2.0T 2012

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Audi A3 2.0T 2012:

• (behind left kick panel) g44
• Abs ind lamp
• Air bag malfunction ind lamp
• Anti-theft immobilizer reader coil
• Asr/esp ind lamp
• Brake fluid level warning switch (in brake fluid reservoir cap)
• Brake pad wear ind lamp
• Brake system ind lamp
• Computer data lines system
• Cruise control ind lamp
• Door ajar ind lamp
• Engine coolant level (ecl) warning switch (on coolant reservoir)
• Engine coolant level/ temperature (ecl/ect) ind lamp
• Engine coolant temperature gauge
• Engine electronic ind lamp
• Fuel filler door lock ind lamp
• Fuel gauge
• Fuel level sensor 2 (awd)
• Fuse 5a
• Fuse panel c (under left side of dash)
• G42
• Generator ind lamp
• Hand brake ind lamp
• High beam ind lamp
• Hot at all times
• Instrument cluster
• Instrument cluster control module
• Left front brake pad wear sensor
• Left turn signal ind lamp
• Low level fuel indicator lamp
• Malfunction ind lamp
• Oil pressure ind lamp
• Outside air temperature display
• Outside air temperature sensor (behind left side of front bumper)
• Parking ind lamp
• Radio frequency controlled clock
• Rear lid closed ind lamp
• Red
• Right turn signal ind lamp
• Tire pressure monitoring display ind lamp
• Warning buzzer & tone
• Windshield washer fluid level sensor

Instrument Cluster Wiring Diagram (2 of 2) for Audi A3 2.0T 2012

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Audi A3 2.0T 2012:

• (at base of parking brake lever assembly) parking brake warning light switch
• (below left side of dash) vehicle electrical system control module
• (left side of selector lever base) (a/t) selector lever sensor system control module
• 2.0l turbo
• 2.0l turbo diesel
• Computer data lines system
• Driver's door central locking lock unit
• Driver's door contact switch
• Driver's door control module (integrated in driver's door window regulator motor)
• Front passenger's door central locking lock unit
• Front passenger's door contact switch
• Front passenger's door control module (integrated in right front door window regulator motor)
• Fuel level sensor (top of fuel tank)
• Fuel pump (fp) control module (on fuel pump, top of fuel tank)
• G61 (on left "c" pillar)
• G638 (behind right kick panel)
• G655 (on left headlight) long member)
• Left rear central locking lock unit
• Left rear door contact switch
• Left rear door control module (integrated in left rear door window regulator motor)
• Nca
• Oil level thermal sensor (if equipped) (bottom of lower oil pan)
• Oil pressure switch (on oil filter bracket)
• Radio frequency controlled clock receiver
• Right rear central locking lock unit
• Right rear door contact switch
• Right rear door control module (integrated in right rear door window regulator motor)
• T10k
• T14
• T20
• T20a
• T20f
• T20g
• T20l
• T20m
• T20n
• T20o
• T52a
• T52c

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Audi A3 2.0T 2012

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Audi A3 2.0T 2012:

• 15a
• Computer data lines system
• Driver illuminated vanity mirror lamp (if equipped)
• Driver vanity mirror lamp contact switch (if equipped)
• Driver's door central locking lock unit (door contact switch)
• Driver's door control module (integrated in driver's door window regulator motor)
• Driver's door opener illumination (if equipped)
• Front passenger door opener illumination
• Front passenger illuminated vanity mirror lamp (if equipped)
• Front passenger interior locking button
• Front passenger vanity mirror lamp contact switch (if equipped)
• Front passenger's door central locking lock unit (door contact switch)
• Front passenger's door control module (integrated in right front door window regulator motor)
• Fuse 10a
• Fuse panel c (under left side of dash)
• G42
• G44 (behind left kick panel)
• G61 (on left "c" pillar)
• G638 (behind right kick panel)
• Glove compartment lamp switch
• Glove compartment light
• Hot at all times
• Left footwell light
• Light switch
• Luggage compartment light
• Rear lid remote control lock switch/ fuel tank lid unlock button
• Red
• Right footwell light
• T10e
• T20
• T20a
• T20f
• T20g
• T32a
• T32b
• T52a
• T52b
• T52c
• Vehicle electrical system control module (below left side of dash)
• W/ drl, automatic head & taillight control
• W/ front passenger door opener illumination
• W/ omited
• W/o omited

Courtesy Lamps Wiring Diagram (2 of 2) for Audi A3 2.0T 2012

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Audi A3 2.0T 2012:

• Driver reading lamp
• Driver reading switch
• Front interior light
• Front passenger reading lamp
• Front passenger reading switch
• G44 (behind left kick panel)
• G61 (on left "c" pillar)
• Instrument illumination circuit
• Left rear central locking lock unit (door contact switch)
• Left rear door control module (integrated in left rear door window regulator motor)
• Left rear door opener illumination (if equipped)
• Left rear interior light
• Left rear interior shift
• Rear interior light
• Right rear central locking lock unit (door contact switch)
• Right rear door control module (integrated in right rear door window regulator motor)
• Right rear door opener illumination (if equipped)
• Right rear interior light
• Right rear interior shift
• T20l
• T20m
• T20n
• T20o
• T32e
• T32f
• W/ left rear entry lights & left rear door warning light
• W/ right rear entry lights & right rear door warning light

Instrument Illumination Wiring Diagram (1 of 2) for Audi A3 2.0T 2012

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Audi A3 2.0T 2012:

• (w/ e-box high) (w/ e-box low)
• 12v socket
• 16a
• 8-pin connector (not used)
• Ashtray illumination
• Center console storage illumination (w/ storage compartment lighting)
• Cigarette lighter
• Computer data lines system
• Emergency flasher switch
• Exterior lights system
• Fog lamp & rear fog lamp switch
• Front interior light
• Fuse 1 fuse 16 30a
• Fuse 10a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G42
• G44 (behind left kick panel)
• G61 (on left "c" pillar)
• G638 (behind right kick panel)
• Hot at all times
• Illumination dimmer
• Light switch
• Rear courtesy light
• Rear/center central locking switch
• Storage compartment illumination (if equipped)
• T10e
• T2bw
• T4o
• T52a
• T52b
• T52c
• Vehicle electrical system control module (below left side of dash)
• W/ drl, automatic head & taillight control
• W/ front fog lamps

Instrument Illumination Wiring Diagram (2 of 2) for Audi A3 2.0T 2012

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Audi A3 2.0T 2012:

• Alarm system-off-switch/ passenger compartment monitoring switch
• Central locking- safe- indicator light
• Computer data lines system
• Courtesy lamps circuit
• Driver's door control module (integrated in driver's door window regulator motor)
• Driver's interior locking button
• Front passenger's door control module (integrated in right front door window regulator motor)
• Front passenger's interior locking button
• G44 (behind left kick panel)
• Left front window regulator switch
• Mirror adjustment switch
• Rear lid remote control lock switch/ fuel tank lid unlock button
• T20a
• T20f
• T20g
• T32a
• T32b
• T8d
• W/ interior monitoring
• W/o interior monitoring

NAVIGATION

Navigation Wiring Diagram, with RNS-E with Bose (1 of 3) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, with RNS-E with Bose (1 of 3) for Audi A3 2.0T 2012:

• (under front of center console) g610
• Antenna
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger system
• Fuse 15a
• Fuse 30a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G610 (under front of center console)
• G662
• G662 (behind left quarterpanel)
• Heated rear window
• Hot at all times
• Navigation system operating electronics control module
• Nca
• Rear window antenna 1
• Rear window defogger w/ window antenna
• Satellite radio (if equipped) (left side of luggage compt)
• T12l
• T12m
• T16g
• T40
• T8t
• T8u
• Telephone transceiver (w/ cellular telephone)
• W/ satellite radio
• W/o satellite radio

Navigation Wiring Diagram, with RNS-E with Bose (2 of 3) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, with RNS-E with Bose (2 of 3) for Audi A3 2.0T 2012:

• (below left side of dash) (w/ central locking & anti-theft alarm system) vehicle electrical system control module
• 10a
• Antenna amplifier (top left side of cargo area lid)
• Defogger system
• Fuse 7.5a
• Fuse panel c (under left side of dash)
• G610 (under front of center console)
• Hot at all times
• Inside microphone
• Left antenna module (lower left of rear lid)
• Left front mid-bass speaker
• Left front treble speaker
• Left rear midrange speaker
• Left rear treble speaker
• Nca
• Red
• Right front mid-bass speaker
• Right front treble speaker
• Right rear midrange speaker
• Right rear treble speaker
• T20
• T20a
• T20l
• T20m
• T2ac
• T2ad
• T2ae
• T2af
• T2h
• T52c

Navigation Wiring Diagram, with RNS-E with Bose (3 of 3) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, with RNS-E with Bose (3 of 3) for Audi A3 2.0T 2012:

• Amplifier (right side of luggage compt)
• Bass speaker
• Center mid range speaker
• Computer data lines system
• External audio source connector
• G610 (under front of center console)
• Navigation system oiperation electronics control module
• Red
• T32d
• T8d
• W/ audi music interface
• W/o audi music interface

Navigation Wiring Diagram, with RNS-E without Bose (1 of 3) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, with RNS-E without Bose (1 of 3) for Audi A3 2.0T 2012:

• (under front of center console) g610
• Antenna
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger system
• Fuse 15a
• Fuse 30a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G610 (under front of center console)
• G662 (behind left quarterpanel)
• Heated rear window
• Hot at all times
• Navigation system operatiing electronics control module
• Nca
• Rear window antenna 1
• Rear window defogger w/ window antenna
• Red
• Satellite radio (if equipped) (left side of luggage compt)
• T12l
• T12m
• T16g
• T40
• T8p
• T8t
• T8u
• Telephone transceiver (w/ cellular telephone)
• W/ satellite radio
• W/o satellite radio

Navigation Wiring Diagram, with RNS-E without Bose (2 of 3) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, with RNS-E without Bose (2 of 3) for Audi A3 2.0T 2012:

• (below left side of dash) (w/ central locking & anti-theft alarm system) vehicle electrical system control module
• 10a
• Antenna amplifier (top left side of cargo area lid)
• Center mid range speaker
• Defogger system
• Fuse 7.5a
• Fuse panel c (under left side of dash)
• Hot at all times
• Left antenna module (lower left of rear lid)
• Left front mid-bass speaker
• Left front treble speaker
• Left rear midrange speaker
• Left rear treble speaker
• Nca
• Red
• Right front mid-bass speaker
• Right front treble speaker
• Right rear midrange speaker
• Right rear treble speaker
• T20
• T20a
• T20l
• T20m
• T2ac
• T2ad
• T2ae
• T2af
• T2h
• T52c
• T8d

Navigation Wiring Diagram, with RNS-E without Bose (3 of 3) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, with RNS-E without Bose (3 of 3) for Audi A3 2.0T 2012:

• (under front of center console) g610
• Bass speakers amplifier
• Computer data lines system
• External audio source connector
• G610 (under front of center console)
• G662 (behind left quarterpanel)
• Navigation system operating electronics control module
• T32d
• W/ audi music interface
• W/o audi music interface

Navigation Wiring Diagram, without RNS-E with Amplifier (1 of 2) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, without RNS-E with Amplifier (1 of 2) for Audi A3 2.0T 2012:

• (under front of center console) g610
• 18-pin connector (not used)
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger rear window
• Defogger system
• External audio source connector (if equipped)
• Fuse 15a
• Fuse 30a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G610 (under front of center console)
• Hot at all times
• Nca
• Radio/navigation display unit control module
• Rear window antenna 1
• Rear window defogger w/ window antenna
• Red
• T12l
• T12m
• T16g
• T18a
• T40
• T8p
• Telephone transceiver
• Telephone/ navigation system/auxiliary heater antenna (center rear of roof)
• W/ handsfree
• W/o handsfree

Navigation Wiring Diagram, without RNS-E with Amplifier (2 of 2) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, without RNS-E with Amplifier (2 of 2) for Audi A3 2.0T 2012:

• (below left side of dash) (w/ central locking & anti-theft alarm system) vehicle electrical system control module
• (under front of center console) g610
• Antenna amplifier (top left side of cargo area lid)
• Bass speakers amplifier (loc)
• Center mid- treble speaker
• Computer data lines system
• Defogger system
• G662 (behind left quarterpanel)
• Left antenna module (lower left of rear lid)
• Left front mid-bass speaker
• Left front treble speaker
• Left rear midrange speaker
• Left rear treble speaker
• Nca
• Red
• Right front mid-bass speaker
• Right front treble speaker
• Right rear midrange speaker
• Right rear treble speaker
• T20
• T20a
• T20l
• T20m
• T2ac
• T2ad
• T2ae
• T2af
• T2h
• T4o
• T52c
• T8d

Navigation Wiring Diagram, without RNS-E with Bose (1 of 2) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, without RNS-E with Bose (1 of 2) for Audi A3 2.0T 2012:

• (under front of center console)
• 18 pin connector (not used)
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger rear window
• Defogger system
• External audio source connector (if equipped)
• Fuse 15a
• Fuse 30a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G610
• G610 (under front of center console)
• Hot at all times
• Nca
• Radio/navigation display unit control module
• Rear window antenna 1
• Rear window defogger w/ window antenna
• T12l
• T12m
• T16g
• T18a
• T40
• Telephone transceiver
• Telephone/ navigation system/auxiliary heater antenna (center rear of roof)
• W/ hands free
• W/o hands free

Navigation Wiring Diagram, without RNS-E with Bose (2 of 2) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, without RNS-E with Bose (2 of 2) for Audi A3 2.0T 2012:

• Amplifier (right side of luggage compt)
• Antenna amplifier (top left side of cargo area lid)
• Bass speaker
• Center mid treble speaker
• Defogger system
• G610 (under front of center console)
• Interior microphone
• Left antenna module (lower left of rear lid)
• Left front mid-bass speaker
• Left front treble speaker
• Left rear midrange speaker
• Left rear treble speaker
• Nca
• Red
• Right front mid-bass speaker
• Right front treble speaker
• Right rear midrange speaker
• Right rear treble speaker
• T20
• T20a
• T20l
• T20m
• T2ac
• T2ad
• T2ae
• T2af
• T2h
• T4o
• T52c
• T8d
• Vehicle electrical system control module (central locking & anti-theft alarm system) (below left side of dash)

Navigation Wiring Diagram, without RNS-E without Amplifier (1 of 2) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, without RNS-E without Amplifier (1 of 2) for Audi A3 2.0T 2012:

• 18-pin connector (not used)
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger rear window
• Defogger system
• Fuse 15a
• Fuse panel c
• G610 (under front of center console)
• Hot at all times
• Nca
• Radio/navigation display unit control module
• Rear window antenna 1
• Rear window defogger w/ window antenna
• Red
• T12l
• T12m
• T16g
• T18a
• T8p
• Telephone transceiver
• Telephone/ navigation system auxiliary heater antenna (center rear of roof)
• W/ handsfree
• W/o handsfree

Navigation Wiring Diagram, without RNS-E without Amplifier (2 of 2) for Audi A3 2.0T 2012

List of elements for Navigation Wiring Diagram, without RNS-E without Amplifier (2 of 2) for Audi A3 2.0T 2012:

• (below left side of dash) (w/ central locking & anti-theft alarm system) vehicle electrical system control module
• Antenna amplifier (top left side of cargo area lid)
• Defogger system
• External audio source connector (if equipped)
• G610 (under front of center console)
• Left antenna module (left side of luggage compt lid)
• Left front mid-bass speaker
• Left front treble speaker
• Nca
• Red
• Right front mid-bass speaker
• Right front treble speaker
• T20
• T20a
• T2h
• T4o
• T52c

Parking Assistant Wiring Diagram for Audi A3 2.0T 2012

List of elements for Parking Assistant Wiring Diagram for Audi A3 2.0T 2012:

• (right rear side of rear fascia) right rear center parking aid sensor
• Computer data lines system
• Front parking aid warning buzzer (left side of dash)
• Fuse 5a
• Fuse panel c (under left side of dash)
• G62 (on right "c" pillar)
• G638 (behind right kick panel)
• Interior lights system
• Interior lights system
• Left front center parking aid sensor (left front side of front fascia)
• Left front parallel parking assistance sensor (left front outside edge of front fascia)
• Left front parking aid sensor (left front side of front fascia)
• Left rear center parking aid sensor (left rear side of rear fascia)
• Left rear parking aid sensor (left rear side of rear fascia)
• Parallel parking assistance button
• Parallel parking assistance control module (right side of luggage compt)
• Parking aid button
• Rear parking aid warning buzzer (right side of luggage compt)
• Right front center parking aid sensor (right front side of front fascia)
• Right front parallel parking assistance sensor (right front outside edge of front fascia)
• Right front parking aid sensor (right front side of front fascia)
• Right rear parking aid sensor (right rear side of rear fascia)
• T12i
• T12t
• T16f
• T8z

Vehicle Positioning Interface Control Module Wiring Diagram for Audi A3 2.0T 2012

List of elements for Vehicle Positioning Interface Control Module Wiring Diagram for Audi A3 2.0T 2012:

• 39a
• Brake light switch (top of brake pedal assembly)
• Comfort system central control module (right side of luggage compt)
• Computer data lines system
• Diesel
• Engine control module (ecm) (in center of plenum chamber)
• Fuse 5a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• Gas
• Hot at all times
• Models location system interface control module
• T18
• T52c
• T94
• Throttle position sensor (on accelerator pedal)
• Vehicle electrical system control module (below left side of dash)

POWER DISTRIBUTION

2.0L TURBO

2.0L Turbo, Power Distribution Wiring Diagram (1 of 4) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Power Distribution Wiring Diagram (1 of 4) for Audi A3 2.0T 2012:

• (right rear of luggage compt) main fuse panel d
• 18-pin connector
• 18a
• 19a
• 20a
• 40a
• 41a
• 47a
• Abs control module
• Air bag control module
• Air quality sensor
• Airbag control module
• All- wheel drive control module
• Asr/ esp button
• Automatic dimming interior rearview mirror
• Automatic dimming interior rearview mirror relay (w/ start/ stop system)
• Backup lamp switch (m/t)
• Battery interrupt ignitier
• Cbfa
• Ccta
• Climatronic control module
• Data bus on board diagnostic interface
• Data link connector
• Direct shift gearbox (dsg) mechatronic
• Driver's seat heater control module
• Electronic damping control module
• Engine control module (ecm)
• Engine control module (ecm) (cbfa)
• From battery (diagram 4 of 4)
• From fuse panel a (dia- gram 2 of 4)
• From fuse panel b (diagram 4 of 4)
• From fuse panel c (diagram 2 of 4)
• Front passenger's air bag disabled indicator lamp
• Front passenger's seat heater control module
• Fuel pump (fp) control module
• Fuse 10a
• Fuse 125a
• Fuse 15a
• Fuse 18 5a
• Fuse 19 10a
• Fuse 20 5a
• Fuse 30a
• Fuse 40a
• Fuse 47 5a
• Fuse 5 5a
• Fuse 5a
• Fuse 6 5a
• Fuse 80a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G655 (on left headlight long member)
• Garage door opener control head
• Garage door opener control module
• Headlight range/ cornering lamp control module
• High pressure sensor
• Left headlamp assembly
• Left headlamp power output stage
• Left rear heated seat control module
• Left washer nozzle heater (if equipped)
• Light switch
• Mass air flow (maf) sensor
• Nca
• Oil level thermal sensor
• Parallel parking assis- tance control module
• Power steering control module
• Rear window wiper motor
• Red
• Ressor
• Right headlamp assembly
• Right headlamp power output stage
• Right rear heated seat control module
• Right washer nozzle heater (if equipped)
• Seat occupied recognition control module (if equipped)
• Selector lever sensor system control module
• Starter
• Supp- +
• T10e
• T10k
• T10t
• T10u
• T16d
• T16f
• T20e
• T2aa
• T2ab
• T3w
• T52b
• T52c
• T5g
• T6q
• T8b
• T8y
• T94
• Tire pressure monitoring button
• To battery montoring control module (diagram 4 of 4)
• To fuse panel a (diagram 2 of 4)
• To fuse panel b (diagram 4 of 4)
• To fuse panel c (diagram 3 of 4)
• To starter (diagram 4 of 4)
• To vehicle electrical system control module (diagram 2 of 4)
• To voltage stabilizer (diagram 2 of 4)
• Vehicle electrical system control module
• Vehicle electrical system control module (cbfa)
• W/ start/stop system
• W/o start/stop system

2.0L Turbo, Power Distribution Wiring Diagram (2 of 4) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Power Distribution Wiring Diagram (2 of 4) for Audi A3 2.0T 2012:

• (integrated in engine compt e-box) fuse panel b
• (w/ start/stop system) voltage stabilizer
• 10a
• 11a
• 18-pin connector
• 30a
• A/t
• Abs control module
• Alarm horn (if equipped)
• Brake lamp/ brake pedal switch
• Clutch position sensor
• Coolant fan control (fc) module
• Direct shift gearbox (dsg) mechatronic
• Driver power seat switch
• Electronic damping control module
• External audio source connection (rns-e)
• From fuse 2 (diagram 4 of 4)
• From fuse panel b (diagram 4 of 4)
• From fuse panel c (diagram 1 of 4)
• From fuse panel c (diagram 3 of 4)
• From fuse panel d (diagram 1 of 4)
• Front passenger power seat switch
• Fuse
• Fuse 1
• Fuse 1 40a
• Fuse 10a
• Fuse 150a 200a
• Fuse 15a
• Fuse 16 30a
• Fuse 2 30a
• Fuse 25
• Fuse 26 30a
• Fuse 29 50a
• Fuse 3
• Fuse 3 5a
• Fuse 30a
• Fuse 4
• Fuse 40a
• Fuse 47
• Fuse 48 40a
• Fuse 50a
• Fuse 53
• Fuse 5a
• Fuse 7.5a
• Fuse 80a
• Fuse panel a (on electronics box low)
• Fuse panel c (under left side of dash)
• Generator
• High heat output relay
• Instrument cluster control module
• Low heat output relay
• M/t
• Navigation system operatng electronics control module (rns-e)
• Nca
• Power steering control module
• Radio & radio/navigation display unit control module
• Red
• Safety fuse 1
• Satellite radio (if equipped)
• T10t
• T10u
• T16g
• T20e
• T2a
• T40
• T4d
• T4w
• T4x
• T52a
• T52c
• T8u
• Telephone transceiver
• To automatic dimming interior rearview mirror relay (diagram 1 of 4)
• To fuse panel c (diagram 3 of 4)
• To suppressor (diagram 1 of 4)
• Vehicle electrical system control module
• Vehicle electrical system control module (w/ anti-theft alarm system)
• W/ battery in engine compartment
• W/ battery in luggage compartment
• W/ e-box high
• W/ e-box low
• W/ generator (140a)
• W/ start/ stop system
• W/o generator (140a)
• W/o start/ stop system

2.0L Turbo, Power Distribution Wiring Diagram (3 of 4) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Power Distribution Wiring Diagram (3 of 4) for Audi A3 2.0T 2012:

• (under left side of dash) fuse panel c
• 12a
• 12v socket
• 13a
• 14a
• 15a
• 16a
• 17a
• 22a
• 23a
• 24a
• 25a
• 26a
• 27a
• 28a
• 32a
• 33a
• 34a
• 36a
• 37a
• 38a
• 43a
• Auxiliary heater radio receiver
• Cbfa
• Ccta
• Cellular/ telephone tranceiver
• Cigarette lighter
• Climat- ronic control module
• Climatronic control module
• Data link connector
• Driver door control module
• Driver seat heater control module
• Driver seat lumbar support adjustment switch
• Fresh air blower control module
• From fuse panel a (diagram 2 of 4)
• From fuse panel b (diagram 2 of 4)
• From fuse panel b (diagram 4 of 4)
• From fuse panel c (diagram 3 of 4)
• From fuse u panel d (diagram 1 of 4)
• Front passenger seat heater control module
• Front passenger's door control module
• Front passenger's seat lumbar support adjustment switch
• Fuel pump (fp) control module
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse panel c (under left side of dash)
• G62 (on right "c" pillar)
• G638 (behind right kick panel)
• Headlamp washer relay
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater
• Interior lights system
• Leak detection pump (ldp)
• Left rear door control module
• Left rear door module control
• Left rear heated seat control module
• Light switch
• Manual seats
• Models location system interface control module
• Nca
• Power seats
• Power sunroof control module
• Radiator identification sensor
• Rain/light recognition sensor (w/ automatic head & taillight control)
• Rear window defogger relay
• Red
• Right rear door control module
• Right rear door module control
• Right rear heated seat control module
• Selector lever sensor system control module
• Socket
• T10a
• T10k
• T10t
• T10u
• T16d
• T20
• T20a
• T20f
• T20g
• T20l
• T20m
• T20n
• T20o
• T2bw
• T52b
• T6b
• T8n
• T8o
• To alarm horn (diagram 2 of 4)
• To fuse panel c (diagram 3 of 4)
• To safety fuse 1 (diagram 2 of 4)
• Vehicle electrical system control module
• W/ battery in engine compartment
• W/ battery in luggage compartment
• W/ heated seats

2.0L Turbo, Power Distribution Wiring Diagram (4 of 4) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo, Power Distribution Wiring Diagram (4 of 4) for Audi A3 2.0T 2012:

• (integrated in engine compt e-box) fuse panel b
• (not used)
• Amplifier
• Bass speakers amplifier
• Battery
• Battery monitoring control module
• Camshaft adjustment valve 1
• Cbfa
• Ccta
• Computer data lines system
• Coolant circulation pump relay
• Coolant circulation pump relay (cbfa)
• Coolant fan control (fc) module
• Data bus on board diagnostic interface
• Engine control module (ecm)
• Evaprative emissions (evap) canister purge regulator valve 1
• From fuse 15 (diagram 4 of 4)
• From fuse 30 l 4 of 4) (diagram
• From fuse panel d (diagram 1 of 4)
• Fuel pressure regulator valve
• Fuse
• Fuse 10a
• Fuse 12 5a
• Fuse 13 25a
• Fuse 14 20a
• Fuse 15 10a
• Fuse 17
• Fuse 17 15a
• Fuse 18 30a
• Fuse 19 30a
• Fuse 2 20a
• Fuse 20 20a
• Fuse 21 10a
• Fuse 23 5a
• Fuse 31
• Fuse 38 fuse 24 10a
• Fuse 5
• Fuse 52 fuse 30 50a
• Fuse 6 5a
• Fuse fuse 39 5a
• G12 (left side of engine compt)
• Horn relay
• Ignition coil 1 w/ power output stage
• Ignition coil 2 w/ power output stage
• Ignition coil 3 w/ power output stage
• Ignition coil 4 w/ power output stage
• Intake manifold runner control (imrc) valve
• Nca
• Oil pressure regulation valve
• Oxygen sensor (o2s) & oxygen sensor (o2s) heater (ccta) oxygen sensor (o2s) 3 (after three way catalytic converter (twc)) & oxygen sensor (o2s) 3 (after catalytic converter) heater (cbfa)
• Oxygen sensor (o2s) (after three way catalytic converter (twc)) & oxygen sensor (o2s) 1(after catalytic converter) heater
• Red
• Secondary air injection (air) pump relay (cbfa)
• Secondary air injection (air) solenoid valve (cbfa)
• Starter
• Steering column electronic systems control module
• T14
• T20b
• T2ce
• T40
• T4d
• T94
• To brake light/ brake pedal switch (diagram 2 of 4)
• To fuse 14 (diagram 4 of 4)
• To fuse 3 (diagram 2 of 4)
• To fuse 7 (diagram 2 of 4)
• To fuse panel d (diagram 1 of 4)
• To leak detection pump (ldp) (diagram 3 of 4)
• To voltage stabilizer (diagram 2 of 4)
• Turbocharger recirculating valve
• W/ battery in engine comartment
• W/ battery in luggage comartment
• W/ e-box high
• W/ e-box low
• W/ start/stop system
• W/o start/stop system
• Wastegate bypass regulator valve
• Wiper motor control module

2.0L TURBO DIESEL

2.0L Turbo Diesel, Power Distribution Wiring Diagram (1 of 4) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo Diesel, Power Distribution Wiring Diagram (1 of 4) for Audi A3 2.0T 2012:

• (right rear of luggage compt) main fuse panel d
• 18-pin connector
• 19a
• 20a
• 40a
• 41a
• 47a
• Abs control module
• Air bag control module
• Air quality sensor
• Airbag control module
• All- wheel drive control module
• Asr/ esp button
• Automatic dimming interior mirror
• Automatic dimming interior rearview mirror relay (w/ start/ stop system)
• Battery interrupt ignitier
• Climatronic control module
• Data bus on board diagnostic interface
• Data link connector (dlc)
• Direct shift gearbox (dsg) mechatronic
• Driver seat heater control module
• Electronic damping control module
• Engine control module (ecm)
• From battery (diagram 4 of 4)
• From fuse panel a (dia- gram 2 of 4)
• From fuse panel b (diagram 4 of 4)
• From fuse panel c (diagram 2 of 4)
• Front passenger's air bag disabled indicator lamp
• Front passenger's seat heater module
• Fuse 10a
• Fuse 125a
• Fuse 15a
• Fuse 19 10a
• Fuse 20 5a
• Fuse 30a
• Fuse 40a
• Fuse 5 5a
• Fuse 5a
• Fuse 6 5a
• Fuse 80a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G655 (on left headlight long member)
• Garage door opener control head
• Garage door opener control module
• Headlight range/ cornering lamp control module
• High pressure sensor
• Left headlamp assembly
• Left headlamp power output stage
• Left rear heated seat control module
• Left washer nozzle heater (if equipped)
• Light switch
• Mass air flow (maf) sensor
• Nca
• Oil level thermal sensor
• Parallel parking assistance control module
• Positive crankcase ventilation (pcv) heating element (if equipped)
• Power steering control module
• Rear window wiper motor
• Red
• Ressor
• Right headlamp assembly
• Right headlamp power output stage
• Right rear heated seat control module
• Right washer nozzle heater (if equipped)
• Seat occupied recognition control module (if equipped)
• Selector lever sensor system control module
• Starter
• Supp- +
• T10e
• T10k
• T10t
• T10u
• T16d
• T16f
• T20e
• T2aa
• T2ab
• T3w
• T52b
• T5g
• T6q
• T8b
• T8y
• T94
• Tire pressure monitoring button
• To battery monitoring control module (diagram 4 of 4)
• To fuse panel a (diagram 2 of 4)
• To fuse panel b (diagram 4 of 4)
• To fuse panel c (diagram 3 of 4)
• To starter (diagram 4 of 4)
• To vehicle electrical system control module (diagram 2 of 4)
• To voltage stabilizer (diagram 2 of 4)
• Vehicle electrical system control module
• W/ start/stop system
• W/o start/stop system

2.0L Turbo Diesel, Power Distribution Wiring Diagram (2 of 4) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo Diesel, Power Distribution Wiring Diagram (2 of 4) for Audi A3 2.0T 2012:

• (w/ start/stop/ system) voltage stabilizer
• 10a
• 11a
• 18-pin connector
• 30a
• Abs control module
• Alarm horn (if equipped)
• Coolant fan control (fc) module
• Direct shift gearbox (dsg) mechatronic
• Driver power seat switch assembly
• Electronic damping control module
• External audio source connection (rns-e)
• From fuse 17 (diagram 4 of 4)
• From fuse panel b (diagram 4 of 4)
• From fuse panel c (diagram 1 of 4)
• From fuse panel c (diagram 3 of 4)
• From fuse panel d (diagram 1 of 4)
• Front passenger power seat assembly
• Fuse 1
• Fuse 1 40a
• Fuse 10a
• Fuse 13
• Fuse 150a 200a
• Fuse 15a
• Fuse 16 30a
• Fuse 2 20a
• Fuse 25
• Fuse 26 30a
• Fuse 28 40a
• Fuse 29 50a
• Fuse 3
• Fuse 30a
• Fuse 4
• Fuse 40a
• Fuse 47
• Fuse 48 40a
• Fuse 50a
• Fuse 53
• Fuse 5a
• Fuse 7.5a
• Fuse 80a
• Fuse panel a (on electronics box low)
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• Generator
• High heat output relay
• Instrument cluster control module
• Low heat output relay
• Navigation system operating electronics control module (rns-e)
• Nca
• Power steering control module
• Radio & radio/navigation display unit control module
• Red
• Safety fuse 1
• Satellite radio (if equipped)
• T16g
• T20e
• T2a
• T40
• T4d
• T4w
• T4x
• T52a
• T52c
• T8u
• Telephone transceiver
• To auto- matic dimming interior rearview mirror relay diagram (1 of 4)
• To fuse panel c (diagram 3 of 4)
• To suppressor (diagram 1 of 4)
• Vehicle electrical system control module
• Vehicle electrical system control module (w/ anti-theft alarm system)
• W/ battery engine compartment
• W/ battery in luggage compartment
• W/ e-box high
• W/ e-box low
• W/ generator (140a)
• W/ start/ stop system
• W/o generator (140a)
• W/o start/ stop system

2.0L Turbo Diesel, Power Distribution Wiring Diagram (3 of 4) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo Diesel, Power Distribution Wiring Diagram (3 of 4) for Audi A3 2.0T 2012:

• (under left side of dash) fuse panel c
• 12a
• 12v socket
• 13a
• 14a
• 15a
• 16a
• 17a
• 22a
• 23a
• 24a
• 25a
• 26a
• 27a
• 28a
• 32a
• 33a
• 34a
• 36a
• 37a
• 38a
• 39a
• 43a
• Automatic glow time control module
• Auxiliary fuel pump relay
• Auxiliary heater radio receiver
• Auxillary fuel pump relay
• Cellular telephone transcever 1
• Cigarette lighter
• Climatronic control module
• Data link conne- ctor
• Driver door control module
• Driver seat heater control module
• Driver seat lumbar support adjustment switch
• Fresh air blower control module
• From fuse panel a (diagram 2 of 4)
• From fuse panel b (diagram 2 of 4)
• From fuse panel d (diagram 1 of 4)
• From panel b (diagram 4 of 4)
• Front pass- enger seat heater control module
• Front passenger's door control module
• Front passenger's seat lumbar support adjustment switch
• Fuel pump (fp) relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse panel c (under left side of dash)
• G62 (on right "c" pillar)
• G638 (behind right kick panel)
• Headlamp washer relay
• High heat output relay
• Interior lights system
• Left rear door control module
• Left rear heated seat control module
• Light switch
• Low heat output relay
• Manual seats
• Models location system interface control module
• Nca
• Panel c (diagram 3 of 4)
• Power seats
• Power sunroof control module
• Rain/light recognition sensor
• Rear window defogger relay
• Red
• Right rear door control module
• Right rear heated seat control module
• Seats
• Selector lever sensor system control module
• Socket
• T10k
• T10t
• T10u
• T16d
• T20
• T20a
• T20f
• T20g
• T20i
• T20l
• T20m
• T20n
• T20o
• T2bw
• T52b
• T6b
• T8n
• T8o
• To alarm horn (diagram 2 of 4)
• To fuse panel c (diagram 3 of 4)
• To safety fuse 1 (diagram 2 of 4)
• Vehicle electrical system control module
• W/ battery in engine compartment
• W/ battery in luggage compartment
• W/ heated

2.0L Turbo Diesel, Power Distribution Wiring Diagram (4 of 4) for Audi A3 2.0T 2012

List of elements for 2.0L Turbo Diesel, Power Distribution Wiring Diagram (4 of 4) for Audi A3 2.0T 2012:

• (integrated in engine compt e-box) fuse panel b
• (not used)
• Amplifier
• Automatic glow time control module
• Bass speakers amplifier
• Battery
• Battery monitoring control module
• Brake lamp/ brake pedal switch
• Bridge contact
• Computer data lines system
• Coolant fan control module
• Data bus on board diagnostic interface
• Engine control module (ecm)
• From fuse 15 (diagram 4 of 4)
• From fuse 30 l (diagram 4 of 4)
• From fuse panel d (diagram 1 of 4)
• From fuse pnel d (diagram 1 of 4)
• Fuel metering valve
• Fuel pressure regulator valve
• Fuse
• Fuse 10a
• Fuse 13 25a
• Fuse 14 20a
• Fuse 15 5a
• Fuse 17
• Fuse 18 30a
• Fuse 19 30a
• Fuse 21 10a
• Fuse 23 10a
• Fuse 27 50a
• Fuse 31
• Fuse 39 fuse 22 5a
• Fuse 5 fuse 17 15a
• Fuse 50a
• Fuse 5a
• Fuse 6 5a
• G12 (left side of engine compt)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater
• Horn relay
• Nca
• Oxygen sensor (o2s) (after three way catalytic converter (twc)) & oxygen sensor (o2s) 1 (after catalytic converter) heater
• Red
• Starter
• Steering column electronic systems control module
• T14
• T20b
• T2ce
• T40
• T4d
• T94
• Throttle valve control module
• To fuse 14 (diagram 4 of 4)
• To fuse 17 (diagram 4 of 4)
• To fuse 28 (diagram 2 of 4)
• To fuse 7 (diagram 2 of 4)
• To fuse pnel d (diagram 1 of 4)
• To high heat output relay (diagram 3 of 4)
• To voltage stabilizer (diagram 2 of 4)
• Voltage stabilizer (diagram 2 of 4)
• W/ battery in engine comartment
• W/ battery in luggage comartment
• W/ e-box high
• W/ e-box low
• W/ start/stop system
• W/o start/stop system
• Wastegate bypass regulator valve
• Wiper motor control module

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 2) for Audi A3 2.0T 2012

List of elements for Power Door Locks Wiring Diagram (1 of 2) for Audi A3 2.0T 2012:

• 12a
• 13a
• 23a
• 28a
• 38a
• Anti-theft immobilizer reading coil
• Central locking safe indicator lamp
• Computer data lines system
• Driver interior locking button
• Driver's door central locking lock unit
• Driver's door control module (integrated in driver's door window regulator motor)
• Front passenger door central locking lock unit
• Front passenger interior locking button
• Front passenger's door control module (integrated in right front door window regulator motor)
• Fuse 10a
• Fuse 30a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• Hot at all times
• Instrument cluster control module
• Interior lights system
• Interior lights systems
• Right rear central locking lock unit
• Right rear door control module (integrated in right rear door window regulator motor)
• T20
• T20a
• T20f
• T20g
• T20m
• T20o
• T32a
• T32b
• T8d
• W/ front passenger's door opener illumination

Power Door Locks Wiring Diagram (2 of 2) for Audi A3 2.0T 2012

List of elements for Power Door Locks Wiring Diagram (2 of 2) for Audi A3 2.0T 2012:

• (behind right kick panel) g638
• (integrated in antenna amplifier) central locking & anti-theft alarm system antenna
• (left side of luggage compt lid) left antenna module
• 17a
• 3 door
• 5 door
• Alarm horn (if equipped) (in right front wheelwell)
• Antenna amplifier 2
• Central locking & anti-theft alarm system antenna
• Computer data lines system
• Engine hood contact switch
• Fuse 5a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G61 (on left "c" pillar)
• G638 (behind right kick panel)
• G655 (on left headlight long member)
• Hot at all times
• Interior lights system
• Interior monitoring switch & alarm system deactivation switch
• Left rear central locking lock unit
• Left rear door control module (integrated in left rear door window regulator motor)
• Nca
• Parking brake contact switch
• Rear lid alarm switch
• Rear lid central locking system motor
• Rear window breakage sensor (w/ anti-theft alarm)
• Rear window defogger w/ window antenna
• Rear/center interior locking switch
• T20l
• T20n
• T2h
• T52a
• T52b
• T52c
• T6a
• T8ac
• T8b
• Trunk lid alarm switch & rear lid central locking system motor
• Vehicle electrical system control module (below left side of dash)
• W/ navigation
• W/o navigation

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for Audi A3 2.0T 2012

List of elements for Automatic Day/Night Mirror Wiring Diagram for Audi A3 2.0T 2012:

• (behind left kick panel) g44
• 11a
• Automatic day/night interior mirror
• Automatic dimming exterior rearview mirror (if equipped)
• Automatic dimming interior rearview mirror relay (w/ start/stop system)
• Computer data lines system
• Driver's door control module (integrated in driver's door window regulator motor)
• Driver's side outside mirror assembly
• Exterior lights system
• Front passenger's door control module (integrated in right front door window regulator motor)
• Fuse 1 fuse 3 40a
• Fuse 10a
• Fuse 30 fuse 52 50a
• Fuse 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• Hot at all times
• Light recognition sensor
• Nca
• Passenger's side outside mirror assembly
• T16b
• T16c
• T20
• T20a
• T20f
• T20g
• T40
• T52b
• T52c
• Vehicle electrical system control module (below left side of dash)
• Voltage stabilizer (under driver's seat)
• W/ automatic high beam control
• W/ e-box high
• W/ e-box low
• W/ start/stop system
• W/o automatic high beam control
• W/o start/stop system

Power Mirrors Wiring Diagram for Audi A3 2.0T 2012

List of elements for Power Mirrors Wiring Diagram for Audi A3 2.0T 2012:

• 12a
• Adjustment motors
• Automatic day/night interior mirror (if equipped) (on 5-position fuse/relay carrier)
• Automatic dimming exterior rearview mirror (if equipped)
• Computer data lines system
• Driver's door control module (integrated in driver's door window regulator motor)
• Driver's side outside mirror assembly
• Folding motor
• Front passenger's door control module (integrated in right front door window regulator motor)
• Fuse 10a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• Heated mirror
• Hot at all times
• Interior lights system
• Light recognition sensor
• Mirror adjusting switch
• Mirror adjustment switch
• Mirror selector switch
• Mirror signal
• Mirror switch (w/ fold away)
• Nca
• Passenger's side outside mirror assembly
• T16b
• T16c
• T20
• T20a
• T20f
• T20g
• T32a

POWER SEATS

Heated Seats Wiring Diagram, with Power Seats for Audi A3 2.0T 2012

List of elements for Heated Seats Wiring Diagram, with Power Seats for Audi A3 2.0T 2012:

• (behind left kick panel)
• 37a
• Air conditioning system
• Climatronic
• Computer data lines system
• Control module
• Driver backrest heating element
• Front passenger backrest heating element
• Fuse 20a
• Fuse panel c (under left side of dash)
• G44
• G638 (behind right kick panel)
• Heating element
• Hot at all times
• Left front heated seat
• Left front seat temperature sensor
• Nca
• Right front heated seat
• Right front seat temperature sensor
• Side bolster heater
• Side bolster heater 2
• T10t
• T10u
• T16d
• T16e
• T8v
• T8w

Heated Seats Wiring Diagram, with Sport Seats for Audi A3 2.0T 2012

List of elements for Heated Seats Wiring Diagram, with Sport Seats for Audi A3 2.0T 2012:

• 37a
• Air conditioning system
• Climatronic control module
• Computer data lines system
• Driver backrest heating element
• Front passenger's backrest heating element
• Fuse 20a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• Heating element
• Hot at all times
• Left front heated seat
• Left front seat temperature sensor
• Right front heated seat
• Right front seat temperature sensor
• Side bolster heater
• Side bolster heater 2
• T10t
• T10u
• T16d
• T16e

Heated Seats Wiring Diagram, without Sport Seats for Audi A3 2.0T 2012

List of elements for Heated Seats Wiring Diagram, without Sport Seats for Audi A3 2.0T 2012:

• (behind left kick panel)
• 37a
• Driver backrest heating element
• Driver seat heater control module (under driver's seat)
• Driver seat heating element
• Driver seat side bolster heater
• Driver seat side bolster heater 2
• Front passenger backrest heating element
• Front passenger seat heater control module (under front passenger's seat)
• Front passenger seat heating element
• Front passenger seat side bolster heater
• Front passenger seat side bolster heater 2
• Fuse 20a
• Fuse 5a
• Fuse panel c (under left side of dash)
• G44
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• Heated driver seat adjuster
• Heated front passenger seat adjuster
• Heater control module
• Hot at all times
• Left front heated seat
• Left front seat temp sensor
• Nca
• Right front heated seat
• Right front seat temp sensor
• T10t
• T10u
• T52b
• Vehicle electrical system control module (below left side of dash)

Lumbar Wiring Diagram for Audi A3 2.0T 2012

List of elements for Lumbar Wiring Diagram for Audi A3 2.0T 2012:

• (under left side of dash)
• 36a
• Driver seat lumbar support curvature adjustment motor
• Driver seat lumbar support height adjustment motor (in driver seat back)
• Driver's seat lumbar support adjustment switch
• Front passenger seat lumbar support adjustment switch
• Front passenger seat lumbar support curvature adjustment motor
• Front passenger seat lumbar support height adjustment motor (in front passenger seat back)
• Fuse 10a
• Fuse panel c
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• Hot at all times
• Lumbar curv- ature
• Lumbar height
• T10t
• T10u
• T8n
• T8o

Power Seats Wiring Diagram for Audi A3 2.0T 2012

List of elements for Power Seats Wiring Diagram for Audi A3 2.0T 2012:

• 30a
• 36a
• Back rest
• Driver seat lumbar support adjustment switch
• Driver seat lumbar support curvature adjustment motor
• Driver seat lumbar support height adjustment motor (in driver's seat back)
• Driver's backrest adjustment motor (in driver's seat back)
• Driver's power seat switch
• Driver's seat fore/aft adjustment motor
• Driver's seat height adjustment motor (under driver's front seat)
• Driver's seat inclination adjustment motor (under front of driver's front seat)
• Fore/ aft
• Front passenger seat lumbar support adjustment switch
• Front passenger seat lumbar support curvature adjustment motor
• Front passenger seat lumbar support height adjustment motor (in front passenger seat back)
• Front passenger's backrest adjustment motor (in front passenger's seat back)
• Front passenger's power seat switch
• Front passenger's seat fore/aft adjustment motor
• Front passenger's seat height adjustment motor (under front passenger's seat)
• Front passenger's seat inclination adjustment motor (under front of passenger's front seat)
• Fuse 10a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• Height
• Hot at all times
• Lumbar curv- ature
• Lumbar height
• Safety fuse 1
• T10r
• T10s
• T10t
• T10u
• T4w
• T4x
• T8v
• T8w
• Tilt

Rear Heated Seats Wiring Diagram for Audi A3 2.0T 2012

List of elements for Rear Heated Seats Wiring Diagram for Audi A3 2.0T 2012:

• 34a
• Fuse 20a
• Fuse 5a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• Heated seat regulating switch
• Heated seat switch illumination
• Heated seat temp sensor
• Hot at all times
• Interior lights system
• Left rear backrest heating element
• Left rear heated seat control module
• Left rear seat heater
• Red
• Right rear backrest heating element
• Right rear heated seat control module
• Right rear seat heater
• Seat heating element
• Seat occupied sensor
• T12k

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Audi A3 2.0T 2012

List of elements for Power Top/Sunroof Wiring Diagram for Audi A3 2.0T 2012:

• (or nca)
• 33a
• Fuse 20a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• Hot at all times
• Nca
• Power sunroof control module (front center of roof)
• Sunroof button
• Sunroof motor
• Sunroof regulator & sunroof button
• T52b
• T6b
• T6t
• Vehicle electrical system control module (below left side of dash)
• W/ sliding/tilting sunroof
• W/o sliding/tilting sunroof

POWER WINDOWS

Power Windows Wiring Diagram for Audi A3 2.0T 2012

List of elements for Power Windows Wiring Diagram for Audi A3 2.0T 2012:

• (behind left kick panel) g44
• (behind right kick panel) g638
• 12a
• 13a
• 23a
• 28a
• 38a
• Central window regulator switch (in driver door)
• Computer data lines system
• Driver's door control module (integrated in driver's door window regulator motor)
• Driver's door power window master switch
• Driver's window regulator motor
• Front passenger door window regulator switch
• Front passenger window regulator motor
• Front passenger's door control module (integrated in right front door window regulator motor)
• Fuse 10a
• Fuse 30a
• Fuse panel c (under left side of dash)
• G638 (behind right kick panel)
• Hot at all times
• Interior lights system
• Left front window regulator switch
• Left rear door control module (integrated in left rear door window regulator motor)
• Left rear door window switch
• Left rear window regulator motor
• Left rear window regulator switch
• Right front window regulator switch
• Right rear door control module (integrated in right rear door window regulator motor)
• Right rear door window switch
• Right rear window regulator motor
• Right rear window regulator switch
• T20
• T20a
• T20f
• T20g
• T20l
• T20m
• T20n
• T20o
• T26a
• T32a
• T32b
• T32e
• T32f
• W/ interior monitoring
• W/o interior monitoring

RADIO

Radio Wiring Diagram, with Bose (1 of 2) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, with Bose (1 of 2) for Audi A3 2.0T 2012:

• (under front of center console) g610
• (under left side of dash)
• (w/ hands free) telephone transceiver
• 10a
• Antenna
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Computer data lines system
• External audio source connector (if equipped)
• Fuse 15a
• Fuse 30a
• Fuse 7.5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c
• G610 (under front of center console)
• G662 behind left quarterpanel
• Hot at all times
• Nca
• Radio
• Satellite radio (if equipped) (left side of luggage compt)
• T12l
• T12m
• T16g
• T40
• T8t
• T8u
• W/ satellite radio
• W/o satellite radio

Radio Wiring Diagram, with Bose (2 of 2) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, with Bose (2 of 2) for Audi A3 2.0T 2012:

• Amplifier (right side of luggage compt)
• Antenna amplifier (top left side of cargo area lid)
• Bass speaker
• Center mid range speaker
• Central locking & anti-theft alarm system antenna (if equipped)
• Defogger system
• G610 (under front of center console)
• Heated rear window
• Inside microphone (center front of roof)
• Left antenna module (left side of luggage compt lid)
• Left front mid-bass speaker
• Left front treble speaker
• Left rear midrange speaker
• Left rear treble speaker
• Nca
• Rear window antenna 1
• Rear window defogger w/ window antenna
• Red
• Right front mid-bass speaker
• Right front treble speaker
• Right rear midrange speaker
• Right rear treble speaker
• T20
• T20a
• T20l
• T20m
• T2ac
• T2ad
• T2ae
• T2af
• T2h
• T4o
• T52c
• T8d
• Vehicle electrical system control module (w/ central control & anti-theft alarm) (below left side of dash)

Radio Wiring Diagram, with RNS-E with Bose (1 of 3) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, with RNS-E with Bose (1 of 3) for Audi A3 2.0T 2012:

• (under front of center console) g610
• Antenna
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger system
• Fuse 15a
• Fuse 30a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G610 (under front of center console)
• G662
• G662 (behind left quarterpanel)
• Heated rear window
• Hot at all times
• Navigation system operating electronics control module
• Nca
• Rear window antenna 1
• Rear window defogger w/ window antenna
• Satellite radio (if equipped) (left side of luggage compt)
• T12l
• T12m
• T16g
• T40
• T8t
• T8u
• Telephone transceiver (w/ cellular telephone)
• W/ satellite radio
• W/o satellite radio

Radio Wiring Diagram, with RNS-E with Bose (2 of 3) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, with RNS-E with Bose (2 of 3) for Audi A3 2.0T 2012:

• (below left side of dash) (w/ central locking & anti-theft alarm system) vehicle electrical system control module
• 10a
• Antenna amplifier (top left side of cargo area lid)
• Defogger system
• Fuse 7.5a
• Fuse panel c (under left side of dash)
• G610 (under front of center console)
• Hot at all times
• Inside microphone
• Left antenna module (lower left of rear lid)
• Left front mid-bass speaker
• Left front treble speaker
• Left rear midrange speaker
• Left rear treble speaker
• Nca
• Red
• Right front mid-bass speaker
• Right front treble speaker
• Right rear midrange speaker
• Right rear treble speaker
• T20
• T20a
• T20l
• T20m
• T2ac
• T2ad
• T2ae
• T2af
• T2h
• T52c

Radio Wiring Diagram, with RNS-E with Bose (3 of 3) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, with RNS-E with Bose (3 of 3) for Audi A3 2.0T 2012:

• Amplifier (right side of luggage compt)
• Bass speaker
• Center mid range speaker
• Computer data lines system
• External audio source connector
• G610 (under front of center console)
• Navigation system oiperation electronics control module
• Red
• T32d
• T8d
• W/ audi music interface
• W/o audi music interface

Radio Wiring Diagram, with RNS-E without Bose (1 of 3) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, with RNS-E without Bose (1 of 3) for Audi A3 2.0T 2012:

• (under front of center console) g610
• Antenna
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger system
• Fuse 15a
• Fuse 30a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G610 (under front of center console)
• G662 (behind left quarterpanel)
• Heated rear window
• Hot at all times
• Navigation system operatiing electronics control module
• Nca
• Rear window antenna 1
• Rear window defogger w/ window antenna
• Red
• Satellite radio (if equipped) (left side of luggage compt)
• T12l
• T12m
• T16g
• T40
• T8p
• T8t
• T8u
• Telephone transceiver (w/ cellular telephone)
• W/ satellite radio
• W/o satellite radio

Radio Wiring Diagram, with RNS-E without Bose (2 of 3) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, with RNS-E without Bose (2 of 3) for Audi A3 2.0T 2012:

• (below left side of dash) (w/ central locking & anti-theft alarm system) vehicle electrical system control module
• 10a
• Antenna amplifier (top left side of cargo area lid)
• Center mid range speaker
• Defogger system
• Fuse 7.5a
• Fuse panel c (under left side of dash)
• Hot at all times
• Left antenna module (lower left of rear lid)
• Left front mid-bass speaker
• Left front treble speaker
• Left rear midrange speaker
• Left rear treble speaker
• Nca
• Red
• Right front mid-bass speaker
• Right front treble speaker
• Right rear midrange speaker
• Right rear treble speaker
• T20
• T20a
• T20l
• T20m
• T2ac
• T2ad
• T2ae
• T2af
• T2h
• T52c
• T8d

Radio Wiring Diagram, with RNS-E without Bose (3 of 3) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, with RNS-E without Bose (3 of 3) for Audi A3 2.0T 2012:

• (under front of center console) g610
• Bass speakers amplifier
• Computer data lines system
• External audio source connector
• G610 (under front of center console)
• G662 (behind left quarterpanel)
• Navigation system operating electronics control module
• T32d
• W/ audi music interface
• W/o audi music interface

Radio Wiring Diagram, without Bose (1 of 2) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, without Bose (1 of 2) for Audi A3 2.0T 2012:

• (under front of center console) g610
• (w/ hands free) telephone transceiver
• 10a
• Antenna
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Computer data lines system
• External audio source connector (if equipped)
• Fuse 15a
• Fuse 7.5a
• Fuse panel c (under left side of dash)
• G610 (under front of center console)
• G662 (behind left quarterpanel)
• Hot at all times
• Nca
• Radio
• Red
• Satellite radio (if equipped) (left side of luggage compt)
• T12l
• T12m
• T16g
• T8p
• T8t
• T8u
• W/ satellite radio
• W/o satellite radio

Radio Wiring Diagram, without Bose (2 of 2) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, without Bose (2 of 2) for Audi A3 2.0T 2012:

• (under front of center console) g610
• Antenna amplifier (top left side of cargo area lid)
• Bass speakers amplifier (loc)
• Center mid range speaker
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger system
• Fuse 30a
• Fuse panel b (integrated in engine compt e-box)
• G662 (behind left quarterpanel)
• Heated rear window
• Hot at all times
• Left antenna module (lower left of rear lid)
• Left front mid-bass speaker
• Left front treble speaker
• Left rear midrange speaker
• Left rear treble speaker
• Nca
• Nca a1
• Rear window antenna 1
• Rear window defogger w/ window antenna
• Red
• Right front mid-bass speaker
• Right front treble speaker
• Right rear midrange speaker
• Right rear treble speaker
• T20
• T20a
• T20l
• T2ac
• T2ad
• T2ae
• T2af
• T2h
• T40
• T4o
• T52c
• T8d
• Vehicle electrical system control module (w/ central locking & anti-theft alarm system) (below left side of dash)

Radio Wiring Diagram, without RNS-E with Amplifier (1 of 2) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, without RNS-E with Amplifier (1 of 2) for Audi A3 2.0T 2012:

• (under front of center console) g610
• 18-pin connector (not used)
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger rear window
• Defogger system
• External audio source connector (if equipped)
• Fuse 15a
• Fuse 30a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G610 (under front of center console)
• Hot at all times
• Nca
• Radio/navigation display unit control module
• Rear window antenna 1
• Rear window defogger w/ window antenna
• Red
• T12l
• T12m
• T16g
• T18a
• T40
• T8p
• Telephone transceiver
• Telephone/ navigation system/auxiliary heater antenna (center rear of roof)
• W/ handsfree
• W/o handsfree

Radio Wiring Diagram, without RNS-E with Amplifier (2 of 2) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, without RNS-E with Amplifier (2 of 2) for Audi A3 2.0T 2012:

• (below left side of dash) (w/ central locking & anti-theft alarm system) vehicle electrical system control module
• (under front of center console) g610
• Antenna amplifier (top left side of cargo area lid)
• Bass speakers amplifier (loc)
• Center mid- treble speaker
• Computer data lines system
• Defogger system
• G662 (behind left quarterpanel)
• Left antenna module (lower left of rear lid)
• Left front mid-bass speaker
• Left front treble speaker
• Left rear midrange speaker
• Left rear treble speaker
• Nca
• Red
• Right front mid-bass speaker
• Right front treble speaker
• Right rear midrange speaker
• Right rear treble speaker
• T20
• T20a
• T20l
• T20m
• T2ac
• T2ad
• T2ae
• T2af
• T2h
• T4o
• T52c
• T8d

Radio Wiring Diagram, without RNS-E with Bose (1 of 2) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, without RNS-E with Bose (1 of 2) for Audi A3 2.0T 2012:

• (under front of center console)
• 18 pin connector (not used)
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger rear window
• Defogger system
• External audio source connector (if equipped)
• Fuse 15a
• Fuse 30a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G610
• G610 (under front of center console)
• Hot at all times
• Nca
• Radio/navigation display unit control module
• Rear window antenna 1
• Rear window defogger w/ window antenna
• T12l
• T12m
• T16g
• T18a
• T40
• Telephone transceiver
• Telephone/ navigation system/auxiliary heater antenna (center rear of roof)
• W/ hands free
• W/o hands free

Radio Wiring Diagram, without RNS-E with Bose (2 of 2) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, without RNS-E with Bose (2 of 2) for Audi A3 2.0T 2012:

• Amplifier (right side of luggage compt)
• Antenna amplifier (top left side of cargo area lid)
• Bass speaker
• Center mid treble speaker
• Defogger system
• G610 (under front of center console)
• Interior microphone
• Left antenna module (lower left of rear lid)
• Left front mid-bass speaker
• Left front treble speaker
• Left rear midrange speaker
• Left rear treble speaker
• Nca
• Red
• Right front mid-bass speaker
• Right front treble speaker
• Right rear midrange speaker
• Right rear treble speaker
• T20
• T20a
• T20l
• T20m
• T2ac
• T2ad
• T2ae
• T2af
• T2h
• T4o
• T52c
• T8d
• Vehicle electrical system control module (central locking & anti-theft alarm system) (below left side of dash)

Radio Wiring Diagram, without RNS-E without Amplifier (1 of 2) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, without RNS-E without Amplifier (1 of 2) for Audi A3 2.0T 2012:

• 18-pin connector (not used)
• Cd changer or ipod baseplate or usb baseplate (if equipped)
• Central locking & anti-theft alarm system antenna (if equipped)
• Computer data lines system
• Defogger rear window
• Defogger system
• Fuse 15a
• Fuse panel c
• G610 (under front of center console)
• Hot at all times
• Nca
• Radio/navigation display unit control module
• Rear window antenna 1
• Rear window defogger w/ window antenna
• Red
• T12l
• T12m
• T16g
• T18a
• T8p
• Telephone transceiver
• Telephone/ navigation system auxiliary heater antenna (center rear of roof)
• W/ handsfree
• W/o handsfree

Radio Wiring Diagram, without RNS-E without Amplifier (2 of 2) for Audi A3 2.0T 2012

List of elements for Radio Wiring Diagram, without RNS-E without Amplifier (2 of 2) for Audi A3 2.0T 2012:

• (below left side of dash) (w/ central locking & anti-theft alarm system) vehicle electrical system control module
• Antenna amplifier (top left side of cargo area lid)
• Defogger system
• External audio source connector (if equipped)
• G610 (under front of center console)
• Left antenna module (left side of luggage compt lid)
• Left front mid-bass speaker
• Left front treble speaker
• Nca
• Red
• Right front mid-bass speaker
• Right front treble speaker
• T20
• T20a
• T2h
• T4o
• T52c

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Audi A3 2.0T 2012

List of elements for Shift Interlock Wiring Diagram for Audi A3 2.0T 2012:

• 14a
• Brake light switch & brake pedal switch (brake light switch: top of brake pedal assembly)
• Cbfa
• Computer data lines system
• Direct shift gearbox (dsg) mechatronic (on transmission housing)
• Engine control module (ecm) (in center of plenum chamber)
• Engine controls system
• Except cbfa
• Fuse 10a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G638 (behind right kick panel)
• G655 (on left headlight long member)
• Hot at all times
• Nca
• Selector lever sensor system control module (left side of selector lever base)
• Shift lock solenoid & selector lever park position lock switch (shift lock solenoid: front of selector lever base) (selector lever park position lock switch: forward of gear selector assembly)
• T10k
• T20e
• T4r
• T52c
• T94
• Vehicle electrical system control module (below left side of dash)

STARTING/CHARGING

Charging Wiring Diagram for Audi A3 2.0T 2012

List of elements for Charging Wiring Diagram for Audi A3 2.0T 2012:

• 200a
• Battery
• Cbea
• Ccta & cbfa
• Computer data lines system
• Engine control module (ecm) (in center of plenum chamber)
• Fuse 150a
• Fuse panel a (on electronics box low)
• G12 (left side of engine compt)
• Gen warning ind
• Generator
• Instrument cluster control module (behind instrument cluster)
• Red
• Starting circuit
• T2u
• T52c
• T94
• Vehicle electrical system control module (below left side of dash)
• W/ a/c
• W/ generator 140a
• W/o a/c
• W/o generator 140a

Starting Wiring Diagram for Audi A3 2.0T 2012

List of elements for Starting Wiring Diagram for Audi A3 2.0T 2012:

• 15a
• 18a
• 40a
• A/t
• Battery
• Cbfa
• Clutch position sensor (on clutch slave cylinder assembly)
• Direct shift gearbox (dsg) mechatronic (on transmission housing)
• Engine control module (ecm) (cbea) (in center of plenum chamber)
• Engine control module (ecm) (cbfa) (in center of plenum chamber)
• Except
• Except cbfa
• Fuse 40a
• Fuse 5a
• Fuse panel c (under left side of dash)
• G12 (left side of engine compt)
• G44 (behind left kick panel)
• G607 (in left plenum chamber)
• G655 (on left headlight long member)
• Ignition/starter switch
• M/t
• Nca
• Power distribution system
• Red
• Starter
• Steering column electronic systems control module (under steering column)
• T12z
• T20b
• T52b
• T52c
• T94
• Vehicle electrical system control module (below left side of dash)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 3) for Audi A3 2.0T 2012

List of elements for Supplemental Restraints Wiring Diagram (1 of 3) for Audi A3 2.0T 2012:

• (behind steering wheel)
• Air bag spiral spring/ return spring (w/ slip ring)
• Airbag control module (under front of center console)
• Battery interrupt igniter
• Computer data lines system
• Driver air bag igniter & igniter 2 (in steering wheel)
• Driver's side air bag igniter (left side of driver's seat back)
• Front passenger's air bag disabled indicator lamp
• Front passenger's air bag igniter (right side of front passenger's seat back)
• Fuse 5a
• Fuse panel c (under left side of dash)
• Head curtain air bag igniter (driver's) (left rear side of roof)
• Igniter
• Igniter 2
• Main fuse panel "d" (right rear of luggage compt)
• Nca
• Power distribution system
• Rear passenger's side air bag (front passenger's side) igniter (right side of right rear passenger's seat back)
• Rear passenger's side air bag igniter (driver's side) (if equiped) (left side of left rear passenger's seat back)
• Red
• Steering column electronic systems control module (under steering column)
• T20b
• T2aa
• T3b
• T4n

Supplemental Restraints Wiring Diagram (2 of 3) for Audi A3 2.0T 2012

List of elements for Supplemental Restraints Wiring Diagram (2 of 3) for Audi A3 2.0T 2012:

• Front passenger's side air bag igniter (right side of front passenger's seat back)
• Head curtain air bag igniter (front passenger's) (right rear side of roof)
• Left rear seat belt tensioner igniter (base of left "c" pillar)
• Nca
• Red
• Right rear seat belt tensioner igniter (base of right "c" pillar)
• Seat belt tensioner igniter 1 (driver's) (base of left "b" pillar)
• Seat belt tensioner igniter 1 (front passenger's) (base of right "b" pillar)
• Seat occupied recognition control module (if equipped) (on base of front passenger's seat)
• Seat occupied recognition pressure sensor (on base of front passenger's seat)
• Seat occupied recognition safety belt force sensor (in front passenger's seat belt latch)
• Solid state
• T3c
• T5g

Supplemental Restraints Wiring Diagram (3 of 3) for Audi A3 2.0T 2012

List of elements for Supplemental Restraints Wiring Diagram (3 of 3) for Audi A3 2.0T 2012:

• (mil)
• Air bag malfunction indicator lamp
• Airbag control module (under front of center console)
• Computer data lines system
• Data bus on board diagnostic interface (under left side of dash)
• Driver's safety belt switch (in driver's seat belt latch)
• Front air bag crash sensor (driver's) (left front of engine compt)
• Front air bag crash sensor (front passenger's) (right front of engine compt)
• Instrument cluster
• Instrument cluster control module
• Nca
• Rear side air bag crash sensor (driver's side) (in left "c" pillar)
• Rear side air bag crash sensor (front passenger's side) (in right "c" pillar)
• Red
• Side air bag crash sensor (driver's) (in driver's door)
• Side air bag crash sensor (front passenger's) (in front passenger's door)
• Solid state
• T20
• T20a
• T20d
• T2at

TRANSMISSION

A/T Wiring Diagram for Audi A3 2.0T 2012

List of elements for A/T Wiring Diagram for Audi A3 2.0T 2012:

• (behind right kick panel)
• 14a
• A/t hydraulic pressure sensors
• A/t pressure regulating valves
• Air bag spiral spring/return spring w/ slip ring (behind steering wheel)
• Clutch temperature sensor & transmission input speed (rpm) sensor
• Computer data lines system
• Direct shift gearbox (dsg) mechatronic (on transmission housing)
• Engine control module (ecm) (in center of plenum chamber)
• Fuse 10a
• Fuse 5 fuse 13 15a
• Fuse 6 fuse 17 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G638
• G655 (on left headlight long member)
• Gear position distance sensors
• Hot at all times
• Instrument cluster control module
• Left multi- function buttons
• Mode
• Multi- function steering wheel control module
• Nca
• Right multi- function buttons
• Selector lever scale illumination
• Selector lever sensor system control module (left side of selector lever base)
• Selector lever switch
• Selector lever transmission range (tr) position display unit
• Shift lock solenoid & selector lever park position lock switch (front of selector lever base & forward of gear selector assembly)
• Solenoid valves
• Steering column electronics system control module (under steering column)
• Steering wheel control module
• T10j
• T10k
• T20b
• T20e
• T40
• T4al
• T4r
• T52c
• T94
• Temperature sensor
• Tiptronic downshift button
• Tiptronic switch
• Tiptronic upshift button
• Transmission fluid temperature sensor
• Transmission input speed sensor 1
• Transmission input speed sensor 2
• Transmission output speed (rpm) sensor
• Transmission output speed (rpm) sensor 2
• Vehicle electrical system control module (below left side of dash)
• W/ electronics box high
• W/ electronics box low
• W/ start/stop system
• W/o start/stop system

AWD Wiring Diagram for Audi A3 2.0T 2012

List of elements for AWD Wiring Diagram for Audi A3 2.0T 2012:

• 19a
• All-wheel drive control module (left front of rear axle differential)
• Computer data lines system
• Fuse 10a
• Fuse panel c (under left side of dash)
• G61 (on left "c" pillar)
• Haldex clutch pump (right front of rear final drive)
• Nca
• Oil pressure actuator
• Oil pressure/ temperature sensor
• T2ax
• T6q
• T8y

TRUNK, TAILGATE, FUEL DOOR

Trunk & Fuel Door Release Wiring Diagram for Audi A3 2.0T 2012

List of elements for Trunk & Fuel Door Release Wiring Diagram for Audi A3 2.0T 2012:

• 12a
• 23a
• 43a
• Computer data lines system
• Driver's door control module (integrated in driver's door window regulator motor)
• Fuel filler door lock lamp ind
• Fuel tank lid unlock motor (behind side trim on right side of luggage compt)
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G61 (on left "c" pillar)
• G638 (behind right kick panel)
• Hot at all times
• Instrument cluster control module
• Interior lights system
• Power distribution system
• Rear lid central locking system motor & rear lid alarm switch
• Rear lid closed ind lamp
• Rear lid handle unlock switch
• Rear lid remote control lock switch & fuel tank lid unlock button
• Rear/center interior central locking switch
• T20
• T20f
• T32a
• T52a
• T52b
• T52c
• T8ac
• T8b
• Vehicle electrical system control module (below left side of dash)

WARNING SYSTEMS

Warning Systems Wiring Diagram for Audi A3 2.0T 2012

List of elements for Warning Systems Wiring Diagram for Audi A3 2.0T 2012:

• Abs control module (at right rear of engine compt)
• Computer data lines system
• Fuse 5a
• Fuse panel c (under left side of dash)
• G638 (behind right kick panel)
• Instrument cluster
• Instrument cluster control module
• Interior lights system
• Multi-function indicator
• Tire pressure monitoring display button
• Tire pressure monitoring display indicator

WIPER/WASHER

Jet Heater Wiring Diagram for Audi A3 2.0T 2012

List of elements for Jet Heater Wiring Diagram for Audi A3 2.0T 2012:

• Fuse 5a
• Fuse panel c (under left side of dash)
• G638 (behind right kick panel)
• Left washer nozzle heater (if equipped) (in left side of plenum chamber)
• Right washer nozzle heater (if equipped) (in right side of plenum chamber)

Wiper/Washer Wiring Diagram for Audi A3 2.0T 2012

List of elements for Wiper/Washer Wiring Diagram for Audi A3 2.0T 2012:

• (behind left kick panel) g44
• 16a
• 32a
• 41a
• Computer data lines system
• Fuse 10a
• Fuse 15a
• Fuse 16 30a
• Fuse 30a
• Fuse 31 30a
• Fuse 47 30a
• Fuse 5a
• Fuse 6 5a
• Fuse panel b (integrated in engine compt e-box)
• Fuse panel c (under left side of dash)
• G44 (behind left kick panel)
• G61 (on left "c" pillar)
• G638 (behind right kick panel)
• G655 (on left headlight long member)
• Headlamp washer pump
• Headlamp washer relay (on relay carrier on vehicle electrical system control module)
• Hot at all times
• Instrument cluster control module
• Instrument cluster system
• Nca
• Power distribution system
• Rain/light recognition sensor (on interior rearview mirror)
• Rear window wiper motor
• Steering column electronic systems control module (under steering column)
• T20b
• T40
• T52a
• T52b
• T52c
• T8ae
• T8b
• Vehicle electrical system control module (below left side of dash)
• Windshield & rear window washer pump
• Windshield washer fluid level sensor
• Windshield wiper intermittent mode switch
• Wiper motor control module (integral to windshield wiper motor)