All Wiring Diagrams for Audi A4 Quattro 2008

AIR CONDITIONING

Automatic A/C Wiring Diagram, Convertible (1 of 3) for Audi A4 Quattro 2008

List of elements for Automatic A/C Wiring Diagram, Convertible (1 of 3) for Audi A4 Quattro 2008:

• 25a
• 44a
• Acc
• Climatronic control module
• Computer data lines system
• Defogger system
• Fresh air blower control module
• Fuse 10a
• Fuse 30a
• Fuse 5a
• Fuse holder
• G33
• Hot at all times
• Hot in on or start
• Ignition/ starter switch
• Left vent temperature sensor
• Lock
• Right vent temperature sensor
• Seats system
• Start

Automatic A/C Wiring Diagram, Convertible (2 of 3) for Audi A4 Quattro 2008

List of elements for Automatic A/C Wiring Diagram, Convertible (2 of 3) for Audi A4 Quattro 2008:

• Air quality sensor (if equipped)
• Back pressure flap motor/ position sensor
• Central air flap motor/ position sensor
• Defroster flap motor/ position sensor
• Evaporator vent temperature sensor
• Fresh air intake duct temperature sensor
• G12 (left rear of engine compt)
• G49
• High pressure sensor
• Left footwell vent temperature sensor
• Left temperature flap actuator/ potentiometer
• Recirculation flap motor/ position sensor
• Right footwell vent temperature sensor
• Right temperature flap actuator/ potentiometer

Automatic A/C Wiring Diagram, Convertible (3 of 3) for Audi A4 Quattro 2008

List of elements for Automatic A/C Wiring Diagram, Convertible (3 of 3) for Audi A4 Quattro 2008:

• 2.0l
• 3.2l
• 4-position relay carrier
• 4-position relay panel
• After-run coolant pump
• Auxiliary engine coolant (ec) pump relay (3.2l)
• Coolant fan control (fc) control module
• Coolant fan fuse 42 40a
• Engine controls system
• Engine coolant temperature sensor
• Fuse 150a
• Fuse 15a
• Fuse 5a
• Fuse panel
• Fuse strip (main fuse)
• G12 (left rear of engine compt)
• G26 (left side of engine compt)
• Hot at all times
• Motronic engine control module (ecm)
• Red
• T60
• T94

Automatic A/C Wiring Diagram, Except Convertible (1 of 3) for Audi A4 Quattro 2008

List of elements for Automatic A/C Wiring Diagram, Except Convertible (1 of 3) for Audi A4 Quattro 2008:

• 25a
• 44a
• A/c compressor regulator valve
• Acc
• Climatronic control module
• Computer data lines system
• Defogger system
• Fresh air blower control module
• Fuse 10a
• Fuse 150a
• Fuse 30a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G12 (left rear of engine compt)
• G33
• G44
• Hot at all times
• Hot in on or start
• Ignition/ starter switch
• Left vent temperature sensor
• Lock
• Red
• Right vent temperature sensor
• Seats system
• Solar cells
• Start

Automatic A/C Wiring Diagram, Except Convertible (2 of 3) for Audi A4 Quattro 2008

List of elements for Automatic A/C Wiring Diagram, Except Convertible (2 of 3) for Audi A4 Quattro 2008:

• Air quality sensor (if equipped)
• Back pressure flap motor/ position sensor
• Central flap motor/ position sensor
• Defroster flap motor/ position sensor
• Evaporator vent temperature sensor
• Fresh air intake duct temperature sensor
• G12 (left rear of engine compt)
• G33
• G624
• Heated front windshield
• High pressure sensor (left side of ac condensor)
• Left footwell vent temperature sensor
• Left temperature flap actuator/ potentiometer
• Recirculation flap motor/ position sensor
• Red
• Right footwell vent temperature sensor
• Right temperature flap actuator/ potentiometer
• Sunlight photo sensor (under center of dash)
• Windshield heating voltage converter

Automatic A/C Wiring Diagram, Except Convertible (3 of 3) for Audi A4 Quattro 2008

List of elements for Automatic A/C Wiring Diagram, Except Convertible (3 of 3) for Audi A4 Quattro 2008:

• 2.0l
• 3.2l
• 4-position relay carrier
• 4-position relay panel
• After-run coolant pump
• Auxiliary engine coolant (ec) pump relay (3.2l)
• Coolant fan control (fc) control module
• Coolant fan fuse 42 40a
• Engine controls system
• Engine coolant temperature sensor
• Fuse 150a
• Fuse 15a
• Fuse 5a
• Fuse panel
• Fuse strip (main fuse)
• G12 (left rear of engine compt)
• G26 (left side of engine compt)
• Hot at all times
• Motronic engine control module (ecm)
• Red
• T60
• T94

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Anti-lock Brakes Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• (behind steering wheel) steering angle sensor
• (info not available)
• (left side of engine compt) g26
• Abs control module (left side of engine compt)
• Abs control module fuse 1
• Abs return flow pump
• Acc
• Anti-slip control switch
• Brake light switch
• 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 power steering system
• Engine controls system
• Esp sensor unit
• Fuse 10a
• Fuse 25a
• Fuse 40a
• Fuse holder
• G26 (left side of engine compt)
• G33
• Hot at all times
• Hot in on or start
• Ignition/ starter switch
• Instrument cluster
• Interior lights system
• Left front abs inlet valve
• Left front abs outlet valve
• Left front abs wheel speed sensor
• Left rear abs inlet valve
• Left rear abs outlet valve
• Left rear abs wheel speed sensor
• Lock
• Nca
• Red
• Right front abs inlet valve
• Right front abs outlet valve
• Right front abs wheel speed sensor
• Right rear abs inlet valve
• Right rear abs outlet valve
• Right rear abs wheel speed sensor
• Start
• Steering column electronic systems control module (in steering column, behind steering wheel)
• T16a
• T32
• T32a

Anti-lock Brakes Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Anti-lock Brakes Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• (behind steering wheel) steering angle sensor
• (info not available)
• (left side of engine compt) g26
• Abs control module (left side of engine compt)
• Abs control module fuse 1
• Abs return flow pump
• Acc
• Anti-slip control switch
• Brake light switch
• 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 power steering system
• Engine controls system
• Esp sensor unit
• Fuse 10a
• Fuse 25a
• Fuse 40a
• Fuse holder
• G26 (left side of engine compt)
• G33
• Hot at all times
• Hot in on or start
• Ignition/ starter switch
• Instrument cluster
• Interior lights system
• Left front abs inlet valve
• Left front abs outlet valve
• Left front abs wheel speed sensor
• Left rear abs inlet valve
• Left rear abs outlet valve
• Left rear abs wheel speed sensor
• Lock
• Nca
• Red
• Right front abs inlet valve
• Right front abs outlet valve
• Right front abs wheel speed sensor
• Right rear abs inlet valve
• Right rear abs outlet valve
• Right rear abs wheel speed sensor
• Start
• Steering column electronic systems control module (in steering column, behind steering wheel)
• T16a
• T32
• T32a

ANTI-THEFT

Anti-theft Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Anti-theft Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• 17a
• 24a
• 38a
• Alarm horn
• Anti-theft immobilizer induction coil (right side of steering column)
• Central locking/ anti-theft alarm system antenna (under left side of luggage compartment lid)
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Exterior lights system
• Front hood switch
• Front interior light
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse holder
• G12 (left rear of engine compt)
• G33
• G44 (above left kick panel)
• G49
• G661
• G663
• Hot at all times
• Instrument cluster
• Nca
• Parking brake warning light switch
• Radar interior monitoring control module 1
• Radar interior monitoring control module 2
• T12h
• T12i
• T16i
• T20g
• T2s
• T32
• T3f
• Trunk lid alarm switch
• Trunk lock alarm/central locking switch

Anti-theft Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Anti-theft Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• (under left side of luggage compartment lid)
• 24a
• 38a
• Alarm horn
• Antenna
• Antenna selection control module
• Antenna suppression filter (w/ radio)
• Anti-theft immobilizer induction coil (right side of steering column)
• Avant
• Central locking/ anti-theft alarm system antenna (under left side of luggage compartment lid)
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Defogger system
• Exterior lights system
• Front hood switch
• Fuse 15a
• Fuse 20a
• Fuse holder
• G12 (left rear of engine compt)
• G33
• G49
• G50 (left side of luggage compt)
• G653
• G654
• G78 (right "b" pillar)
• Hot at all times
• Instrument cluster
• Left antenna module (under left side of luggage compartment lid)
• Left rear broken window glass sensor
• Nca
• Parking brake warning light switch
• Radio
• Rear window defogger
• Right rear broken window glass sensor
• Sedan
• T12h
• T12i
• T16i
• T20g
• T32
• Trunk lid alarm switch
• Trunk lock/ alarm/central locking switch
• W/ radio
• W/o radio

BODY CONTROL MODULES

Comfort System Central Control Module Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Comfort System Central Control Module Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• (below driver's seat) central control module (comfort system)
• 24a
• 38a
• Anti-theft system
• Anti-theft, anti-lock brakes systems
• Computer data lines system
• Door locks system
• Fuse 15a
• Fuse 20a
• Fuse holder
• G49
• Hot at all times
• Interior lights system
• Navigation system
• Nca
• Power tops system
• Power tops, engine controls systems
• Sound systems
• T12h
• T12i
• T16h
• T16i
• T20g
• Trunk, tailgate, fuel doors system

Comfort System Central Control Module Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Comfort System Central Control Module Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• 24a
• 3.2l 2.0l
• 38a
• Anti-theft system
• Avant
• Comfort system central control module
• Computer data lines system
• Door locks system
• Driver side door control module
• Exterior lights system
• Fuse 15a
• Fuse 20a
• Fuse holder
• G49
• Hot at all times
• Interior lights system
• Left rear door control module
• Nca
• Passenger side door control module
• Power sunroof control module
• Power tops system
• Right rear door control module
• Sound systems
• T10e
• T10f
• T10g
• T10h
• T12h
• T12i
• T16h
• T16i
• T20g
• T94
• Trunk, tailgate, fuel doors system

Steering Column Electronic Systems Control Module Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Steering Column Electronic Systems Control Module Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• 13a
• 50b
• 86s
• Acc
• Computer data lines system
• Cruise control switch
• Cruise control system
• Driver's airbag igniter
• Driver's airbag igniter 2
• Engine controls system
• Fuse 10a
• Fuse holder
• G49
• Heated steering wheel
• Heated steering wheel sensor
• Hot at all times
• Ignition/ starter switch
• Left multifunction buttons
• Lock
• Nca
• Nca nca
• Power distribution system
• Red
• Right multifunction buttons
• Shorting contact
• Signal horn activation
• Spiral spring
• Start
• Steering angle sensor
• Steering column electronic systems control module (on steering column, behind steering wheel)
• Steering wheel control module
• T16a
• T4e
• Tiptronic downshift button
• Tiptronic upshift button
• Turn signal switch
• Windshield wiper/ washer switch

Steering Column Electronic Systems Control Module Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Steering Column Electronic Systems Control Module Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• 13a
• 50b
• 86s
• Acc
• Computer data lines system
• Cruise control switch
• Cruise control system
• Driver's airbag igniter
• Driver's airbag igniter 2
• Fuse 10a
• Fuse holder
• G33
• Heated steering wheel
• Hot at all times
• Ignition/ starter switch
• Lock
• Nca
• Nca nca
• Overheat sensor
• Power distribution system
• Red
• Shorting contact
• Signal horn activation
• Spiral spring
• Start
• Steering angle sensor
• Steering column electronic systems control module
• Steering wheel control module
• T16a
• T4e
• Turn signal switch
• Windshield wiper/ washer switch

Vehicle Electrical System Control Module Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Vehicle Electrical System Control Module Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• (at left side
• 36a
• 37a
• Computer data lines system
• Exterior lights system
• Exterior lights, mirrors system
• Fuse 150a
• Fuse 30a
• Fuse holder
• Fuse strip
• G33
• G44 (above left kick panel)
• G49
• Headlights system
• Horns system
• Hot at all times
• Hot when load reduction relay energized
• Ignition/ starter switch
• Interior lights system
• Interior lights, exterior lights systems
• Module
• Of dash)
• Power distribution system
• Red
• System control
• T10b
• T23
• T32b
• Vehicle electrical
• Wiper/washer system

Vehicle Electrical System Control Module Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Vehicle Electrical System Control Module Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• 36a
• 37a
• Computer data lines system
• Exterior lights system
• Fuse 150a
• Fuse 30a
• Fuse holder
• Fuse strip
• G33
• Headlights system
• Headlights system exterior lights, engine controls systems
• Horns system
• Hot at all times
• Hot when load reduction relay energized
• Ignition/ starter switch
• Interior lights system
• Interior lights, exterior lights systems
• Mirrors, exterior lights systems
• Power distribution system
• Red
• T10b
• T23
• T32b
• Vehicle electrical system control module (at left side of dash)
• Wiper/washer system

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Audi A4 Quattro 2008

List of elements for Data Link Connector Wiring Diagram for Audi A4 Quattro 2008:

• (not used)
• 12a
• 31a
• 6-speed
• Climatronic control module
• Comfort system central control module
• Convertible
• Convertible except convertible
• Convertible top control module (w/ conv)
• Cvt
• Data link connector
• Except convertible
• Except symphony ii
• Fuse 10a
• Fuse 15a
• Fuse holder
• G49 g33
• High/low bus circuit
• Hot at all times
• Hot in on or start
• Instrument cluster
• Left entry assistance control module (w/ conv)
• Memory seat/ steering column adjustment control module
• Motronic engine control module (2.0l)
• Navigation system w/cd drive control module
• Parking aid control module
• Radar interior monitoring control module 1
• Radio
• Right entry assistance control module (w/ conv)
• T12m
• T12n
• T16f
• T16i
• T32a
• T32e
• T32g
• T32h
• T54
• T94
• Telephone transceiver
• Transmission control module (w/ a/t)
• Tuner for navigation/ tv (w/o conv)
• W/ symphony ii
• W/memory

High/Low Bus Wiring Diagram for Audi A4 Quattro 2008

List of elements for High/Low Bus Wiring Diagram for Audi A4 Quattro 2008:

• 6-speed
• Abs control module
• Air bag control module
• Climatronic control module
• Comfort system central control module
• Convertible top control module (w/ convertible)
• Cvt
• Data link connector (w/o convertible)
• Door control module (driver side)
• Door control module (passenger side)
• Engine control module
• Entry assistance control module (left) (w/ convertible)
• Entry assistance control module (right) (w/ convertible)
• Headlight range control module
• Instrument cluster
• Left headlight assembly
• Left rear door control module (w/o convertible)
• Left rear window regulator motor (w/ convertible)
• Memory seat/steering column adjustment control module
• Navigation system w/ cd-drive control module/ operating electronics, navigation control module/ radio (except w/navigation)
• Navigation w/ tv tuner
• Parking aid control module
• Radio/navigation display control module
• Right headlight assembly
• Right rear door control module (w/o convertible)
• Right rear window regulator motor (w/ convertible)
• Seat adjustment control module (driver's)
• Steering column electronic systems control module
• T10e
• T10f
• T10g
• T10h
• T16a
• T16f
• T16i
• T16j
• T2bb
• T32
• T32a
• T32b
• T32e
• T32g
• T32h
• T54
• Telephone transceiver
• Towing sensor or recognition control module
• Transmission control module
• Vehicle electrical system control module
• W/ convertible
• W/ memory
• W/o memory

COOLING FAN

Cooling Fan Wiring Diagram for Audi A4 Quattro 2008

List of elements for Cooling Fan Wiring Diagram for Audi A4 Quattro 2008:

• 2.0l
• 3.2l
• 4-position relay panel
• Coolant fan control (fc) control module
• Coolant fan fuse 42 40a
• Engine controls system
• Engine coolant temperature sensor
• Fuse 150a
• Fuse 5a
• Fuse panel
• Fuse strip (main fuse)
• G26 (left side of engine compt)
• Hot at all times
• Motronic engine control module (ecm)
• Red
• T60
• T94

CRUISE CONTROL

Cruise Control Wiring Diagram for Audi A4 Quattro 2008

List of elements for Cruise Control Wiring Diagram for Audi A4 Quattro 2008:

• 13a
• 2.0l
• 3.2l
• Acc
• Brake pedal switch
• Clutch pedal switch (m/t)
• Computer data lines system
• Cruise control switch
• Fuse 10a
• Fuse 15a
• Fuse holder
• G33
• Hot at all times
• Ignition/ starter switch
• Lock
• Motronic engine control module (left rear of engine compartment, in plenum chamber)
• Nca
• Start
• Steering column electronic systems control module (on steering column, behind steering wheel)
• T16a
• T60
• T94
• Throttle position (tp) sensor & accelerator pedal position sensor 2
• Throttle valve control module
• Transmission control module (cvt: at rear of transmission)
• W/ 6-speed
• W/ cvt

DEFOGGERS

Heated Mirrors Wiring Diagram for Audi A4 Quattro 2008

List of elements for Heated Mirrors Wiring Diagram for Audi A4 Quattro 2008:

• (behind right kick panel) (s4) (above right kick panel) (a4) g43
• (integrated in driver's door window regulator motor)
• (integrated in right front door window regulator motor)
• 22a
• Climatronic control module
• Computer data lines system
• Driver's side door control module
• Driver's side outside mirror
• Fuse 15a
• Fuse holder
• G44 (behind left kick panel) (s4) (above left kick panel) (a4)
• Hot at all times
• Passenger's side door control module
• Passenger's side outside mirror (w/ fold-down mirrors or convertible)
• T10e
• T10f
• T16b
• T16c

Rear Defogger Wiring Diagram, Avant for Audi A4 Quattro 2008

List of elements for Rear Defogger Wiring Diagram, Avant for Audi A4 Quattro 2008:

• (s4)
• 26a
• Climatronic control module
• Comfort system central control module (below driver's seat)
• Fuse 35a
• Fuse panel
• G49 (under driver's seat) (s4)
• G653 (on left "d" pillar) (s4)
• G654 (at right "d" pillar) (s4)
• Hot at all times
• Left antenna module (under left side of luggage compt lid)
• Left rear window breakage sensor
• Nca
• Rear window defogger relay
• Rear window defogger w/ window antenna
• Right rear window breakage sensor
• T20g
• W/ alarm system
• W/ radio only
• Windshield antenna suppression filter (w/ radio only)

Rear Defogger Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Rear Defogger Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• 26a
• Climatronic control module
• Convertible top control module (behind right quarterpanel)
• Fuse 30a
• Fuse panel
• G44 (above left kick panel) (a4) (behind left kick panel) (s4)
• G662
• Heated rear window
• Hot at all times
• Rear window defogger relay

Rear Defogger Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Rear Defogger Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• 26a
• Climatronic control module
• Fuse 35a
• Fuse panel
• G49 (under driver's seat) (s4)
• G653 (on left "d" pillar) (s4)
• G654 (at right "d" pillar) (s4)
• Heated rear window
• Hot at all times
• Nca
• Rear window defogger relay
• Windshield antenna suppression filter

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Audi A4 Quattro 2008

List of elements for Electronic Power Steering Wiring Diagram for Audi A4 Quattro 2008:

• A4 & rs4
• Abs control module
• Acc
• G49 (under driver's seat) (s4)
• Hot at all times
• Ignition/ starter switch
• Lock
• Off
• Servotronic control module
• Servotronic solenoid valve
• Start

ENGINE PERFORMANCE

2.0L TURBO

2.0L Turbo, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2008

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2008:

• (left rear of engine compt) g12
• 14a
• Anti-theft system
• Brake- light switch
• Charge air pressure sensor
• Clutch pedal switch
• Cooling fans system
• Engine control module
• Fuse 10a
• Fuse 15a
• Fuse panel
• Fuse/ relay panel
• Heated oxygen sensor
• Hot at all times
• Hot in run or start
• Mass air flow (maf) sensor
• Oxygen sensor
• Partial
• Red
• Steering column electronic systems control module
• T16a
• T94
• Throttle position (tp) & accelerator pedal position (app) sensors

2.0L Turbo, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2008

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2008:

• Camshaft adjustment valve 1
• Camshaft position sensor
• Engine coolant temperature (ect) sensor
• Evaporative emission (evap) canister purge regulator valve
• Fuel metering valve
• Fuel pressure sensor
• Intake air temperature (iat) sensor
• Intake manifold runner position sensor
• Leak detection pump (ldp)
• Left electro- hydraulic engine mount solenoid
• Low fuel pressure sensor
• Red
• Turbocharger recirculating valve
• Wastegate bypass regulator valve

2.0L Turbo, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2008

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2008:

• (not used)
• (right "b" pillar) g78
• E-box relay panel
• Engine control module
• Engine speed (rpm) sensor
• Fuel pump control module
• Fuel pump motor
• Fuse 150a
• Fuse 20a
• Fuse panel
• Hot at all times
• Knock sensor (ks) 1
• Knock sensor (ks) 2
• Main fuse
• Nca
• Partial
• Red
• T60
• Throttle valve control module
• Transmissions system

2.0L Turbo, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Quattro 2008

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Quattro 2008:

• Coil 1
• Coil 2
• Coil 3
• Coil 4
• Computer data lines system
• Engine control module
• Fuel injectors
• Fuse 15a
• Fuse 20a
• Fuse panel
• G12 (left rear of engine compt)
• G18
• Nca
• Partial
• Red
• Starting/charging system
• T60
• T94
• To spark plug
• Transmissions system

3.2L

3.2L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2008

List of elements for 3.2L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2008:

• (left rear of engine compt) g12
• 14a
• Brake- light switch
• Clutch pedal switch
• Comfort system central control module
• Cooling fans system
• Cruise control system
• Engine control module
• Except convertible
• Fuse 10a
• Fuse 15a
• Fuse panel
• Fuse/ relay panel
• Heated oxygen sensor
• Heated oxygen sensor 2
• Hot at all times
• Hot in run or start
• Intake manifold tuning (imt) valve position sensor
• Nca
• Oxygen sensor
• Oxygen sensor 2
• Partial
• Power tops system
• Red
• Starting/ charging system
• Starting/charging system
• T12h
• T94
• Throttle position (tp) & accelerator pedal position (app) sensors
• Transmission system
• Transmissions system

3.2L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2008

List of elements for 3.2L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2008:

• Camshaft position sensor
• Camshaft position sensor 2
• Camshaft position sensor 3
• Camshaft position sensor 4
• Control module cooling fan
• Engine coolant temperature (ect) sensor
• Engine speed (rpm) sensor
• Evaporative emission (evap) canister purge regulator valve
• Fuel metering valve
• Fuel pressure sensor
• G12 (left rear of engine compt)
• Intake air temperature sensor
• Intake manifold change-over valve
• Intake manifold runner control (imrc) valve
• Intake manifold runner position sensor
• Intake manifold runner position sensor 2
• Knock sensor (ks) 1
• Knock sensor (ks) 2
• Leak detection pump (ldp)
• Low fuel pressure sensor
• Nca

3.2L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2008

List of elements for 3.2L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2008:

• (not used)
• (right "b" pillar) g78
• E-box relay panel
• Engine control module
• Fuel injectors
• Fuel pump control module
• Fuel pump motor
• Fuse 150a
• Fuse 20a
• Fuse panel
• Hot at all times
• Main fuse
• Partial
• Red
• T60
• Throttle valve control module
• Transmissions system

3.2L, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Quattro 2008

List of elements for 3.2L, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Quattro 2008:

• After-run coolant pump
• Auxiliary engine coolant (ec) pump relay
• Camshaft adjustment valve 1
• Camshaft adjustment valve 1 (exhaust)
• Camshaft adjustment valve 2
• Camshaft adjustment valve 2 (exhaust)
• Coil 1
• Coil 2
• Coil 3
• Coil 4
• Coil 5
• Coil 6
• Computer data lines system
• Engine control module
• Fuse 15a
• Fuse 20a
• Fuse panel
• G12 (left rear of engine compt)
• G19
• Left electro- hydraulic engine mount solenoid
• Nca
• Partial
• Red
• Right electro- hydraulic engine mount solenoid
• Starting/charging system
• T60
• T94
• To spark plug

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Audi A4 Quattro 2008

List of elements for Back-up Lamps Wiring Diagram for Audi A4 Quattro 2008:

• (above left kick panel) (convertible)
• 6-spd a/t cvt a/t
• Avant
• Back-up
• Computer data lines system
• Convertible
• Except convertible
• Except cvt a/t
• Fuse 10a
• Fuse 150a
• Fuse panel
• Fuse strip (main fuse)
• G33
• G43 (above right kick panel)
• G44
• G49 (convertible)
• G662
• G663
• Hot at all times
• Hot in on or start
• Instrument cluster
• Left taillamp assembly
• Red
• Right taillamp assembly
• Sedan
• T10b
• T23
• T32
• T32a
• T32b
• Tiptronic switch
• Transmission control module (at rear of transmission)
• Vehicle electrical systems control module (at left side of dash)

Exterior Lamps Wiring Diagram, Avant for Audi A4 Quattro 2008

List of elements for Exterior Lamps Wiring Diagram, Avant for Audi A4 Quattro 2008:

• 13a
• 14a
• 17a
• Acc
• Brake light switch
• Computer data lines system
• Emergency flasher switch
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G26 (left side of engine compt)
• G33
• G43 (above right kick panel)
• G44
• G44 (above left kick panel)
• G50 (left side of luggage compt)
• G52
• G78 (right "b" pillar)
• Headlights system
• High- mount brake light
• Hot at all times
• Ignition/ starter switch
• Interior lights system
• Left headlight assembly
• Left side turn signal light
• Left tail/ fog lamp assy
• Left turn/ stop/back-up lamp assy
• License plate lights
• Light switch
• Lock
• Nca
• Park
• Rain/light recognition sensor (top of windsheld, in rearview mirror assembly)
• Red
• Right headlight assembly
• Right side turn signal light
• Right tail/ fog lamp assy
• Right turn/ stop/back-up lamp assy
• Start
• Steering column electronic systems control module (on steering column, behind steering wheel)
• Stop
• T10b
• T16a
• T23
• T32b
• Tail
• Turn
• Turn signal switch
• Vehicle electrical system control module (at left side of dash)
• Wiper/ washer system

Exterior Lamps Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Exterior Lamps Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• 13a
• 14a
• 17a
• Acc
• Brake light switch
• Computer data lines system
• Emergency flasher switch
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G12 (left rear of engine compt)
• G33
• G43 (above right kick panel)
• G44
• G44 (above left kick panel)
• G49
• G661
• G662
• G663
• Headlights system
• High- mount brake light
• Hot at all times
• Ignition/ starter switch
• Interior lights system
• Left headlight assembly
• Left side turn signal light
• Left taillamp assembly
• License plate lights
• Light switch
• Lock
• Nca
• Park
• Rain/light recognition sensor (top of windshield, in rearview mirror assembly)
• Red
• Right headlight assembly
• Right side turn signal light
• Right taillamp assembly
• Start
• Steering column electronic systems control module (on steering column, behind steering wheel)
• Stop/ turn
• T10b
• T16a
• T23
• T32b
• Tail
• Turn
• Turn signal switch
• Vehicle electrical system control module (at left side of dash)
• Wiper/ washer system

Exterior Lamps Wiring Diagram, Sedan for Audi A4 Quattro 2008

List of elements for Exterior Lamps Wiring Diagram, Sedan for Audi A4 Quattro 2008:

• 13a
• 14a
• 17a
• Acc
• Brake light switch
• Computer data lines system
• Emergency flasher switch
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G26 (left side of engine compt)
• G33
• G43 (above right kick panel)
• G44
• G44 (above left kick panel)
• G50 (left side of luggage compt)
• G78 (right "b" pillar)
• Headlights system
• High- mount brake light
• Hot at all times
• Ignition/ starter switch
• Interior lights system
• Left headlight assembly
• Left side turn signal light
• Left taillamp assembly
• License plate lights
• Light switch
• Lock
• Nca
• Park
• Rain/light recognition sensor (top of windshield, in rearview mirror assembly)
• Red
• Right headlight assembly
• Right side turn signal light
• Right taillamp assembly
• Start
• Steering column electronic systems control module (on steering column, behind steering wheel)
• Stop
• T10b
• T16a
• T23
• T32b
• Tail
• Turn
• Turn signal switch
• Vehicle electrical system control module (at left side of dash)
• Wiper/ washer system

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram, Convertible (1 of 2) for Audi A4 Quattro 2008

List of elements for Ground Distribution Wiring Diagram, Convertible (1 of 2) for Audi A4 Quattro 2008:

• Battery
• Convertible top control module, convertible top hydraulic unit
• Coolant fan control (fc) control module, abs control module
• Driver side door control module
• G11 (right rear of engine compt)
• G18 (left rear of engine) (2.0l)
• G19 (3.2l)
• G26 (left side of engine compt)
• G32 (left kick panel)
• G43 (above right kick panel)
• G44 (above left kick panel)
• G49
• G661
• High mount brake light, license plate light, rear lid unlock motor, rear lid lock cylinder unlock switch, trunk lid alarm switch & trunk lock alarm/ central locking switch,
• 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
• 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 ignition coil 5 w/ power output stage & ignition coil 6 w/ power output stage
• Left instrument panel vent illumination, garage door opener control head, horn relay, rain/light recognition sensor, front interior light, automatic day/night interior mirror, vehicle electronic system control module, left make-up mirror light switch, headlight adjuster & make-up mirror light, rear window defogger relay
• Passenger side door control module
• Right headlight assembly, right side turn signal light, low tone horn
• Satellite radio shield (w/ cd) module
• Solenoid (01j a/t), rear center ashtray light
• Sport program switch illumination, start system switch illumination, center armrest illumination, center instrument panel vent illumination, right instrument panel vent illumination, storage compartment illumination, cup holder illumination, coin holder illumination, tiptronic switch, parking aid switch light, shift lock
• Tiptronic switch, headlight adjuster
• Vehicle electrical system control module, light switch, data link connector (dlc), steering column electronic systems control module & comfort system central control module
• Windshield wiper motor, left washer nozzle heater, right washer nozzle heater, brake fluid level warning switch & air quality sensor

Ground Distribution Wiring Diagram, Convertible (2 of 2) for Audi A4 Quattro 2008

List of elements for Ground Distribution Wiring Diagram, Convertible (2 of 2) for Audi A4 Quattro 2008:

• (3.2l)
• Amplifier shield
• Amplifier, microphone shield
• Control module for navigation w/ cd-mechanism, radio
• Driver's seat adjustment switch, left entry assistance control module, driver's seat lumbar support adjustment switch & memory seat/steering column control module
• Engine control module, control module cooling fan, oil pressure switch
• Esp sensor unit, headlamp adjuster, headlamp range control module, anti-slip control switch
• G12 (left rear of engine compt)
• G33
• G610 (under front of center console)
• G662
• G663
• Heated rear window
• High pressure sensor, front hood switch
• Ignition coil 1 w/ power output stage (2.0l), ignition coil 2 w/ power output stage (2.0l), ignition coil 3 w/ power output stage (2.0l), ignition coil 4 w/ power output stage (2.0l), oil level thermal sensor (2.0l)
• Left front fog light, right front fog light, garage door opener control module
• Left headlight assembly, left side turn signal light & left front brake pad wear sensor, high tone horn, headlight washer pump
• Left taillight assembly, left rear window regulator motor, parking aid control module
• Light switch, steering column electronic systems control module
• Motronic engine control module (ecm) (2.0l), after-run coolant pump (3.2l), ignition coil 1 w/ power output stage (3.2l), ignition coil 2 w/ power output stage (3.2l), ignition coil 3 w/ power output stage (3.2l), ignition coil 4 w/ power output stage (3.2l), ignition coil 5 w/ power output stage (3.2l), ignition coil 6 w/ power output stage (3.2l), oil level thermal sensor (3.2l), transmission control module (tcm), oil pressure switch (2.0l), mass air flow sensor
• Passenger power seat adjustment switch, front passenger seat lumbar support adjustment switch & right entry assistance control module
• Power convertible top valve 1, 2 ,3, convertible top switch light, convertible top operation switch, convertible top compartment latch switch (unlock), left convertible top compartment cover switch, right compartment cover locked switch 1, convertible top compartment enclosure position switch, compartment cover open position switch, convertible top open/closed lock switches, convertible top open position switch, convertible top closed position switch, left & right convertible top lock switches
• Radio, telephone transceiver, control module for navigation w/cd mechanism, amplifier & amplifier shields (w/bose), satellite radio (w/ cd), telephone amplifier
• Right rear window regulator motor
• Right taillight assembly, socket, transfer fuel pump, alarm horn, radar interior monitoring control module 1 & 2, front interior light, fuel pump control module
• Satellite radio & shield (w/o cd)
• Usb/ipod baseplate or cd changer & shield, navigation system shield
• Vehicle electrical systems control module, emergency flasher switch light, emergency flasher switch, cigarette lighter, ashtray light, anti slip control switch, glove compartment light switch, park brake warning light switch, fresh air blower control module & climatronic control module, 12v socket

Ground Distribution Wiring Diagram, Except Convertible (1 of 2) for Audi A4 Quattro 2008

List of elements for Ground Distribution Wiring Diagram, Except Convertible (1 of 2) for Audi A4 Quattro 2008:

• Avant w/ radio only
• Battery
• Center instrument panel vent illumination, right instrument panel vent illumination, storage compartment illumination, cup holder illumination, coin holder illumination (w/o front parking aid), rear center ashtray light, tiptronic switch, ashtray light, glove compartment light switch, anti-slip control switch, rear window shade switch, fresh air blower control module, shift lock solenoid, headlight range control module, center armrest illumination, climatronic control module cigarette lighter (w/o 12v socket), esp sensor unit clutch pedal starter interlock switch & headlight adjuster, parking aid switch
• Coolant fan control (fc) control module, abs control module (w/ edl)
• Driver's backrest heating element, driver's seat side bolster heater sensor
• Driver's door control module
• Front passenger's door control module
• G11 (right rear of engine compt) (a4) (in plenum chamber, right of battery) (s4)
• G18
• G19 (3.2l)
• G26 (left side of engine compt)
• G32 (left kick panel) (a4) (behind left kick panel) (s4)
• G33
• G43 (above right kick panel) (a4) (behind right kick panel) (s4)
• G44 (above left kick panel) (a4) (behind left kick panel) (s4)
• G49
• G52
• G624
• G653
• G654
• Headlight washer pump, high tone horn, left headlight assembly, left side turn signal light, left front brake pad wear sensor
• 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
• 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, ignition coil 5 w/ power output stage, ignition coil 6 w/ power output stage,
• Left front fog light, right front fog light, garage door opener control module
• Load reduction relay, horn relay, rear window defogger relay, left panel vent illumination, comfort system central control module, servotronic control module, rear/center central locking switch
• Luggage compartment light, high mount brake light (avant), license plate light (avant), rear lid lock cylinder unlock switch, rear lid unlock motor, trunk lid alarm switch, left rear fog & tail light (avant), right rear fog & tail light (avant)
• Radar interior monitoring control module, rain/light recognition sensor, automatic day/ night interior mirror,
• Rear window defogger w/ window antenna, windshield antenna suppression filter
• Rear window wiper motor & rear window defogger with window antenna (except radio only)
• Right headlight assembly, right side turn signal light, low tone horn
• Satellite radio shield (with cd changer)
• Solar cells, front interior light assembly, left make-up mirror light switch, right make-up mirror light switch, power sunroof control module
• Vehicle electrical system control module, light switch, emergency flasher switch, instrument cluster, steering column electronic systems control module, parking brake warning light switch, 12v socket, data link connector (dlc), cigarette lighter (w/ 12v socket)
• Windshield antenna suppression filter
• Windshield antenna suppression filter (except avant)
• Windshield antenna suppression filter (w/ radio only)
• Windshield heating voltage converter
• Windshield wiper motor, left washer nozzle heater (w/ heated spray jet), right washer nozzle heater (w/ heated spray jet), brake fluid level warning switch & air quality sensor

Ground Distribution Wiring Diagram, Except Convertible (2 of 2) for Audi A4 Quattro 2008

List of elements for Ground Distribution Wiring Diagram, Except Convertible (2 of 2) for Audi A4 Quattro 2008:

• 2.0l
• 3.2l
• A/c compressor regulator valve transmission control module (tcm)
• A/c compressor regulator valve, transmission control module (tcm)
• After-run coolant pump, 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, ignition coil 5 w/ power output stage, ignition coil 6 w/ power output stage,
• Alarm horn, right rear central locking lock unit, right rear door warning light, right rear door opener lighting, right rear entry light
• Amplifier (w/bose), inside microphone shield
• Amplifier shields
• Driver's power seat switch, driver's seat lumbar support adjustment switch, memory seat/steering column adjustment control module
• Engine control module (ecm), control module cooling fan, oil pressure switch
• Except manual seat
• Except power windows
• Front passenger power seat switch, front passenger seat lumbar support adjustment switch
• Front passenger power seat switch, front passenger seat lumbar support adjustment switch, right taillight assembly, left rear heated seat temperature sensor, left rear backrest heating element, left & right rear heated seat control module, right rear heated seat temperature sensor, right rear backrest heating element, socket, fuel pump control module,
• Front passenger's seat side bolster heater & passenger's backrest heating element
• G12 (left rear of engine compt)
• G50 (left side of luggage compt)
• G610 (under front of center console)
• G77 (left "b" pillar)
• G78 (right "b" pillar)
• High pressure sensor & front hood switch
• 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,
• Left rear door control module
• Left rear entry light, left rear door warning light, left rear door opener lighting, left rear central locking lock unit
• Left rear fog lamp, right rear fog lamp, trunk lid alarm switch (except avant), trunk lock alarm/ central locking switch (except avant), rear lid lock cylinder unlock switch (except avant) & license plate light
• Left taillight assembly, rear window shade control module, high-mount brake light, parking aid control module
• Motronic engine control module (ecm), oil pressure switch, mass air flow sensor,
• Oil level thermal sensor
• Oil level thermal sensor, mass air flow sensor,
• Radio & control module for navigation w/cd drive control module
• Radio (w/ bose), amplifier, telephone amplifier, telephone transceiver navigation system w/cd drive control module, satellite radio (w/cd changer)
• Right rear door control module
• Satellite radio & shield (w/o cd changer)
• Usb/ipod baseplate or cd changer, radio shield, navigation system shield
• W/o memory
• W/o power windows
• W/o satellite radio
• With power windows

HEADLIGHTS

Headlamps & Fog Lamps Wiring Diagram, with Bi-Xenon & Cornering Headlights Wiring Diagram (1 of 2) for Audi A4 Quattro 2008

List of elements for Headlamps & Fog Lamps Wiring Diagram, with Bi-Xenon & Cornering Headlights Wiring Diagram (1 of 2) for Audi A4 Quattro 2008:

• (except convertible) (convertible)
• (left side of engine compt) g26 g12 (left rear of engine compt)
• (w/ light sensor)
• 10a
• 17a
• 18a
• 56a
• 56b
• Avant
• Battery
• Computer data lines system
• Daytime running light
• Dynamic cornering light motor
• Fuse 10a
• Fuse 150a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G33
• G44 (above left kick panel)
• G50 (sedan) (left side of luggage compt)
• G52 (avant)
• Headlight range control module (at left side of dash)
• High intensity gas discharge lamp
• High intensity gas discharge lamp control module
• High/ low beam switch- over solenoid
• Hot at all times
• Hot in run or start
• Left front fog light
• Left front level control system sensor
• Left headlight assembly
• Left rear fog light (except convertible)
• Left rear level control system sensor
• Nca
• Power distribution system
• Rain/light recognition sensor (top of windshield, in rearview mirror assembly)
• Red
• Sedan
• T23
• T32b
• Vehicle electrical system control module (behind right side of dash)

Headlamps & Fog Lamps Wiring Diagram, with Bi-Xenon & Cornering Headlights Wiring Diagram (2 of 2) for Audi A4 Quattro 2008

List of elements for Headlamps & Fog Lamps Wiring Diagram, with Bi-Xenon & Cornering Headlights Wiring Diagram (2 of 2) for Audi A4 Quattro 2008:

• (except convertible) (convertible)
• (left side of engine compt) g26 g12 (left rear of engine compt)
• 56a
• 56b
• Ambient illumination deactivation
• Avant
• Computer data lines system
• Day time running light
• Drl disable
• Dynamic cornering light motor
• Except convertible w/o light sensor
• Exterior lights system
• Fog light switch
• G33
• G43 (above right kick panel)
• G50 (sedan) (left side of luggage compt)
• G52 (avant)
• Headlamp adjuster
• Headlight switch
• High intensity gas discharge lamp
• High intensity gas discharge lamp control module
• High/ low beam switch- over solenoid
• Interior lights system
• Light switch
• Nca
• Red
• Right front fog light
• Right headlight assembly
• Right rear fog light (except convertible)
• Steering column electronic systems control module (on steering column, behind steering wheel)
• T16a
• Turn signal switch (headlight dimmer/flasher switch)
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, with Bi-Xenon Headlights Wiring Diagram (1 of 2) for Audi A4 Quattro 2008

List of elements for Headlamps & Fog Lamps Wiring Diagram, with Bi-Xenon Headlights Wiring Diagram (1 of 2) for Audi A4 Quattro 2008:

• (except convertible) (convertible)
• (left side of engine compt) g26 g12 (left rear of engine compt)
• (w/ light sensor)
• 10a
• 17a
• 56a
• 56b
• Avant
• Battery
• Computer data lines system
• Daytime running light
• Fuse 10a
• Fuse 150a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G33
• G44 (above left kick panel)
• G50 (sedan) (left side of luggage compt)
• G52 (avant)
• Headlight beam adjusting motor
• Headlight range control module (behind right side of dash)
• High intensity gas discharge lamp
• High intensity gas discharge lamp control module
• High/ low beam switch- over solenoid
• Hot at all times
• Hot in run or start
• Left front fog light
• Left front level control system sensor
• Left headlight assembly
• Left rear fog light
• Left rear level control system sensor
• Nca
• Power distribution system
• Rain/light recognition sensor (top of windshield, in rearview mirror assembly)
• Red
• Sedan
• T23
• T32b
• Vehicle electrical system control module (at left side of dash)

Headlamps & Fog Lamps Wiring Diagram, with Bi-Xenon Headlights Wiring Diagram (2 of 2) for Audi A4 Quattro 2008

List of elements for Headlamps & Fog Lamps Wiring Diagram, with Bi-Xenon Headlights Wiring Diagram (2 of 2) for Audi A4 Quattro 2008:

• (except convertible) (convertible)
• 56a
• 56b
• Ambient illumination deactivation
• Avant
• Computer data lines system
• Day time running light
• Drl disable
• Except convertible w/o light sensor
• Exterior lights system
• Fog light switch
• G26 (except convertible) (left side of engine compt) g12 (convertible) (left rear of engine compt)
• G33 g43
• G33 g49
• G43 (above right kick panel)
• G50 (sedan) (left side of luggage compt)
• G52 (avant)
• Headlamp adjuster
• Headlight beam adjusting motor
• Headlight switch
• High intensity gas discharge lamp
• High intensity gas discharge lamp control module
• High/ low beam switch- over solenoid
• Interior lights system
• Light switch
• Nca
• Red
• Right front fog light
• Right headlight assembly
• Right rear fog light
• Steering column electronic systems control module (on steering column, behind steering wheel)
• T16a
• Turn signal switch (headlight dimmer/flasher switch)
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, with Standard Headlights for Audi A4 Quattro 2008

List of elements for Headlamps & Fog Lamps Wiring Diagram, with Standard Headlights for Audi A4 Quattro 2008:

• 17a
• 19a
• 56a
• 56b
• Avant
• Battery
• Computer data lines system
• Except convertible w/o light sensor
• Exterior lights system
• Fog light switch
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G26 (except convertible) (left side of engine compt) g12 (convertible) (left rear of engine compt)
• G33 (except convertible) g49 (convertible)
• G43 (above right kick panel)
• G44 (above left kick panel)
• G50 (sedan) (left side of luggage compt) g52 (avant)
• Headlight switch
• High beam
• Hot at all times
• Interior lights system
• Left front fog light
• Left headlight assembly
• Left rear fog light (except convertible)
• Light switch
• Low beam
• Nca
• Power distribution system
• Rain/light recognition sensor (top of windshield, in rearview mirror assembly)
• Red
• Right front fog light
• Right headlight assembly
• Right rear fog light (except convertible)
• Sedan
• Steering column electronic systems control module (on steering column, behind steering wheel)
• T16a
• T23
• T32b
• Turn signal switch (headlight dimmer/flash switch)
• Vehicle electrical system control module (at left side of dash)
• W/ light sensor

HORN

Horn Wiring Diagram for Audi A4 Quattro 2008

List of elements for Horn Wiring Diagram for Audi A4 Quattro 2008:

• 40a
• Computer data lines system
• Fuse 25a
• Fuse holder
• G26 (left side of engine compt)
• G43 (above or behind right kick panel)
• G49 (under driver's seat) (except convertible) g44 (above left kick panel) (convertible)
• High tone horn
• Horn relay
• Horn switch
• Hot at all times
• Low tone horn
• Nca
• Steering column electronic systems control module (in steering column, behind steering wheel)
• T16a
• T32b
• Vehicle electrical system control module (a4: at left side of dash) (s4: behind driver's storage compartment)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Instrument Cluster Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• (at rear of transmission)
• (below center console)
• (left rear of engine compt)
• (left rear of engine compt, in plenum chamber)
• (left side of engine compt)
• (on steering column, behind steering wheel)
• 15a
• Abs control module
• Acc
• Air bag control module
• Air bag mil
• Ambient temperature switch (front of vehicle)
• Anti- theft system
• Anti-lock brakes system
• Anti-theft immobilizer induction coil (right side of steering column)
• Brake fluid level warning switch (on brake fluid reservoir)
• Clock
• Computer data lines system
• Controlled frequency radio
• Cvt 6-speed
• Ect gauge
• Engine coolant level (ecl) warning switch
• Fuel gauge
• Fuel level sensor
• Fuel level sensor 2 (quattro only)
• Fuse 10a
• Fuse holder
• G12
• G33
• Gen warn ind
• Hot at all times
• Hot in run or start
• Ignition/ starter switch
• Instrument cluster
• Interior lights system
• Key switch
• Left front brake pad wear sensor
• Lock
• Motronic engine control module
• Off
• Oil level thermal sensor
• Oil pressure switch
• Radio frequency controlled clock receiver (if equipped)
• Red
• Right front brake pad wear sensor
• Run
• Speed- ometer
• Start
• Starting/charging system
• Steering column electronic systems control module
• T16a
• T32
• T32a
• T4m
• T94
• Tach- ometer
• Tiptronic switch
• Transmission control module
• Windshield washer fluid level warning switch

Instrument Cluster Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Instrument Cluster Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• (at rear of transmission)
• (below center console)
• (left rear of engine compt)
• (left rear of engine compt, in plenum chamber)
• (left side of engine compt)
• (not used)
• (on steering column, behind steering wheel)
• 15a
• Abs control module
• Acc
• Air bag control module
• Air bag mil
• Ambient temperature switch
• Anti-lock brakes system
• Anti-theft immobilizer induction coil (right side of steering column)
• Anti-theft system
• Brake fluid level warning switch (on brake fluid reservoir)
• Computer data lines system
• Cvt 6-speed
• Ect gauge
• Engine coolant level (ecl) warning switch
• Fuel gauge
• Fuel level
• Fuel level sensor 2 (quattro only)
• Fuse 10a
• Fuse holder
• G12
• G26
• G33
• Gen warn ind
• Hot at all times
• Hot in run or start
• Ignition/ starter switch
• Instrument cluster
• Interior lights system
• Key switch
• Left front brake pad wear sensor
• Lock
• Motronic engine control module
• Off
• Oil level thermal sensor
• Oil pressure switch
• Radio frequency controlled clock
• Radio frequency controlled clock receiver (if equipped)
• Red
• Right front brake pad wear sensor
• Run
• Speed- ometer
• Start
• Starting/charging system
• Steering column electronic systems control module
• T16a
• T32
• T32a
• T4m
• T94
• Tach- ometer
• Tiptronic switch
• Transmission control module
• Windshield washer fluid level warning switch

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi A4 Quattro 2008

List of elements for Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi A4 Quattro 2008:

• (not used)
• Automatic day/night mirror
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Front interior light assembly
• Fuse 5a
• Fuse holder
• G33
• G44 (above left kick panel)
• G44 (above or behind left kick panel)
• G49
• G52
• Glove compartment light
• Glove compartment light switch
• Hot at all times
• Instrument illumination circuit
• Left footwell light
• Left make-up mirror light
• Left make-up mirror light switch
• Left rear footwell light
• Luggage compartment light
• Nca
• Power tops system
• Rear crtsy
• Rear lid light
• Rear reading/ courtesy light
• Right footwell light
• Right make-up mirror light
• Right make-up mirror light switch
• Right rear footwell light
• T12h
• T16h
• T16i

Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi A4 Quattro 2008

List of elements for Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi A4 Quattro 2008:

• (rear of driver's door)
• (rear of left rear door)
• (rear of left rear door)
• (rear of right rear door)
• (rear of right rear door)
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Driver door control module (ntegrated in driver's door window regulator motor)
• Driver side central locking unit (door contact switch)
• Driver side door warning light
• Driver's window regulator switch
• G77 (left "b" pillar)
• G78 (right "b" pillar)
• Left front entry light
• Left rear central locking unit (door contact switch)
• Left rear door control module (ntegrated in left rear door window regulator motor)
• Left rear door opener lighting
• Left rear door warning light
• Left rear entry light
• Passenger compartment monitoring switch
• Passenger side central locking unit (door contact switch) (rear of passenger's door)
• Passenger side door control module (ntegrated in passenger's door window regulator motor)
• Passenger side door warning light
• Power windows system & instrument illumination circuit
• Power windows, door locks systems & instrument illumination circuit
• Power windows, memory anti-theft, door locks trunk, tailgate & fuel doors systems & instrument illumination circuit
• Right front entry light
• Right rear central locking unit (door contact switch)
• Right rear door control module (ntegrated in right rear door window regulator motor)
• Right rear door opener lighting
• Right rear door warning light
• Right rear entry light
• T10e
• T10f
• T10g
• T10h
• T12
• T12a
• T12b
• T12c
• T16d
• T16e
• T16h
• T16i
• T20g
• T32c
• T32d
• W/ rear power windows
• W/o rear power windows

Courtesy Lamps Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Courtesy Lamps Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• (rear of drivers door)
• (rear of passenger's front door)
• 17a
• 38a
• Anti-theft system
• Automatic day/night mirror
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Driver door control module (ntegrated in driver's door window regulator motor)
• Driver side central locking unit (door contact switch)
• Driver side door warning light
• Driver's map/reading light
• Front
• Front passenger door control module (ntegrated in passenger's door window regulator motor)
• Front passenger's map/reading light
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse holder
• G33
• G44 (above left kick panel)
• G49
• G663
• Glove compartment light
• Glove compartment light switch
• Hot at all times
• Instrument illumination circuit
• Interior light assembly
• Left footwell light
• Left front entry light
• Left make-up mirror light
• Left make-up mirror light switch
• Left rear footwell light
• Passenger compartment monitoring switch
• Passenger side central locking unit (door contact switch)
• Passenger side door warning light
• Power windows, door locks systems & instrument illumination circuit
• Power windows, memory mirrors, door locks systems & instrument illumination circuit
• Radar interior monitoring control module 2
• Red
• Right footwell light
• Right front entry light
• Right luggage compartment light
• Right make-up mirror light
• Right make-up mirror light switch
• Right rear footwell light
• T10e
• T10f
• T12
• T12a
• T12h
• T16h
• T16i
• T20g
• T32c
• T32d

Courtesy Lamps Wiring Diagram, Sedan (1 of 2) for Audi A4 Quattro 2008

List of elements for Courtesy Lamps Wiring Diagram, Sedan (1 of 2) for Audi A4 Quattro 2008:

• Automatic day/night mirror
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Front interior light assembly
• Fuse 5a
• Fuse holder
• G33
• G44 (above left kick panel)
• G49
• Glove compartment light
• Glove compartment light switch
• Hot at all times
• Instrument illumination circuit
• Left footwell light
• Left make-up mirror light
• Left make-up mirror light switch
• Left rear footwell light
• Luggage compartment light
• Nca
• Power tops system
• Rear crtsy
• Rear reading/ courtesy light
• Right footwell light
• Right make-up mirror light
• Right make-up mirror light switch
• Right rear footwell light
• T12h
• T16h
• T16i

Courtesy Lamps Wiring Diagram, Sedan (2 of 2) for Audi A4 Quattro 2008

List of elements for Courtesy Lamps Wiring Diagram, Sedan (2 of 2) for Audi A4 Quattro 2008:

• (rear of driver's door)
• (rear of left rear door)
• (rear of left rear door)
• (rear of right rear door)
• (rear of right rear door)
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Driver door control module (ntegrated in driver's door window regulator motor)
• Driver side central locking unit (door contact switch)
• Driver side door warning light
• Driver's window regulator switch
• G77 (left "b" pillar)
• G78 (right "b" pillar)
• Left front entry light
• Left rear central locking unit (door contact switch)
• Left rear door control module (ntegrated in left rear door window regulator motor)
• Left rear door opener lighting
• Left rear door warning light
• Left rear entry light
• Passenger compartment monitoring switch
• Passenger side central locking unit (door contact switch) (rear of passenger's door)
• Passenger side door control module (ntegrated in passenger's door window regulator motor)
• Passenger side door warning light
• Power windows system & instrument illumination circuit
• Power windows, door locks systems & instrument illumination circuit
• Power windows, memory anti-theft, door locks trunk, tailgate & fuel doors systems & instrument illumination circuit
• Right front entry light
• Right rear central locking unit (door contact switch)
• Right rear door control module (ntegrated in right rear door window regulator motor)
• Right rear door opener lighting
• Right rear door warning light
• Right rear entry light
• T10e
• T10f
• T10g
• T10h
• T12
• T12a
• T12b
• T12c
• T16d
• T16e
• T16h
• T16i
• T20g
• T32c
• T32d
• W/ rear power windows
• W/o rear power windows

Instrument Illumination Wiring Diagram, Convertible (1 of 2) for Audi A4 Quattro 2008

List of elements for Instrument Illumination Wiring Diagram, Convertible (1 of 2) for Audi A4 Quattro 2008:

• (at left side of dash) vehicle electrical system control module
• (below driver's seat)
• 12v socket
• 17a
• Anti-slip control switch
• Ashtray light
• Battery
• Center armrest illumi- nation
• Center instrument panel vent illumi- nation
• Cigarette lighter
• Coin holder illumi- nation
• Comfort system central control module
• Computer data lines system
• Convertible top switch illumi- nation
• Cup holder illumi- nation
• Emergency flasher switch illumination
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G33
• G43
• G44
• G44 (above left kick panel)
• G49
• G663
• Garage door opener control head
• Headlamp adjuster button illumi- nation
• Headlights system
• Hot at all times
• Instrument cluster
• Left instrument panel vent illumi- nation
• Light switch
• Nca
• Parking aid lamp switch
• Power distribution system
• Radio connector
• Rain/light recognition sensor
• Rear center ashtray illumi- nation
• Red
• Right instrument panel vent illumi- nation
• Sport program button illumi- nation
• Start system button illumi- nation
• Steering column electronic systems control module (on steering column, behind steering wheel)
• Steering wheel (tiptronic shift buttons illumination)
• Storage compt illumi- nation
• T16a
• T16i
• T32a
• T32b
• W/ 12v socket
• W/o 12v socket

Instrument Illumination Wiring Diagram, Convertible (2 of 2) for Audi A4 Quattro 2008

List of elements for Instrument Illumination Wiring Diagram, Convertible (2 of 2) for Audi A4 Quattro 2008:

• Computer data lines system
• Courtesy lamps circuit
• Driver door window regulator switches
• Driver side door control module (ntegrated in driver's door window regulator motor)
• Driver's door opener lighting
• Driver's interior lock switch
• Driver's seat memory program switch
• Mirror adjustment switch
• Passenger compartment monitoring switch
• Passenger door control module (ntegrated in passenger's door window regulator motor)
• Passenger door window regulator switch
• Passenger side door opener lighting
• Passenger side interior lock switch
• Power windows, memory anti-theft, door locks trunk, tailgate & fuel doors systems & courtesy lamps circuit
• Rear lid unlock switch illumi- nation
• T10e
• T10f
• T32c
• T32d

Instrument Illumination Wiring Diagram, Except Convertible (1 of 2) for Audi A4 Quattro 2008

List of elements for Instrument Illumination Wiring Diagram, Except Convertible (1 of 2) for Audi A4 Quattro 2008:

• (at left side of dash) vehicle electrical system control module
• 12v socket
• 17a
• Anti-slip control switch
• Ashtray light
• Battery
• Center armrest illumi- nation
• Center instrument panel vent illumi- nation
• Cigarette lighter
• Coin holder illumi- nation
• Comfort system central control module
• Computer data lines system
• Courtesy lamps circuit
• Cup holder illumi- nation
• Emergency flasher switch illumination
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G33
• G44 (above left kick panel)
• G49
• G52
• G77 (left "b" pillar)
• G78 (right "b" pillar)
• Garage door opener control head
• Headlights system
• Hot at all times
• Instrument cluster
• Left instrument panel vent illumi- nation
• Left rear door opener lighting (except w/ rear power windows)
• Left rear heated seat control module
• Light switch
• Luggage compt light (avant)
• Nca
• Parking aid lamp
• Power distribution system
• Radio connector
• Rain/light recognition sensor
• Rear center ashtray illumi- nation
• Rear window shade switch
• Red
• Right instrument panel vent illumi- nation
• Right rear door opener lighting (except w/ rear power windows)
• Right rear heated seat control module
• Steering column electronic systems control module (on steering column, behind steering wheel)
• Steering wheel (multifunction buttons illumination)
• Storage compt illumi- nation
• T16a
• T16i
• T32a
• T32b
• W/ 12v socket
• W/o 12v socket

Instrument Illumination Wiring Diagram, Except Convertible (2 of 2) for Audi A4 Quattro 2008

List of elements for Instrument Illumination Wiring Diagram, Except Convertible (2 of 2) for Audi A4 Quattro 2008:

• (above left kick panel)
• Comfort system central control module
• Computer data lines system
• Courtesy lamps circuit
• Courtesy lights
• Driver door window regulator switches
• Driver side door control module (integrated in driver's door window regulator motor)
• Driver's door opener lighting
• Driver's interior lock switch
• Driver's map/reading switch illumination
• Driver's seat memory program switch
• Front interior light assembly
• G44
• G49
• Interior light switch illumination
• Left rear door control module (w/ rear power windows)
• Left rear door opener light
• Left rear door warning light
• Left rear entry light
• Left rear reading light switch illumination
• Left rear window switch
• Mirror adjustment switch
• Passenger compartment monitoring switch
• Passenger door control module (integrated in passenger's door window regulator motor)
• Passenger door window regulator switch
• Passenger side door opener lighting
• Passenger side interior lock switch
• Passenger's map/reading switch illumination
• Power windows, memory anti-theft, door locks trunk, tailgate & fuel doors systems & courtesy lamps circuit
• Rear courtesy light
• Rear lid/ fuel tank flap release switch illumi- nation
• Rear/center central locking switch
• Right rear door control module (w/ rear power windows)
• Right rear door opener light
• Right rear door warning
• Right rear entry light
• Right rear reading light switch illumination
• Right rear window switch
• T10e
• T10f
• T10g
• T10h
• T16d
• T16e
• T20g
• T32c
• T32d

MEMORY SYSTEMS

Memory Systems Wiring Diagram, Convertible (1 of 4) for Audi A4 Quattro 2008

List of elements for Memory Systems Wiring Diagram, Convertible (1 of 4) for Audi A4 Quattro 2008:

• Backrest adjust
• Computer data lines system
• Driver's head restraint lock contact switch
• Driver's power seat adjustment circuit breaker 2 fuse 45 30a
• Driver's power seat switch
• Driver's seat height adjustment motor/sensor assembly
• Driver's seat inclination adjustment motor/ sensor assembly
• Driver's seat lumbar support adjustment switch
• Driver's seat lumbar support curvature adjustment motor (in driver's seat back)
• Driver's seat lumbar support height adjustment motor (in driver's seat back)
• Driver's seat seatback adjustment motor/sensor assembly (in driver's seat back)
• Fore/aft adjust
• G662
• Headrest adjust
• Hot at all times
• Memory seat/ steering column adjustment control module (under driver's seat)
• Seat height adjust
• Slope adjust
• T10v
• T12g
• T32e
• T6aa

Memory Systems Wiring Diagram, Convertible (2 of 4) for Audi A4 Quattro 2008

List of elements for Memory Systems Wiring Diagram, Convertible (2 of 4) for Audi A4 Quattro 2008:

• Computer data lines system
• Driver's entry assistance button
• Driver's seat fore/aft adjustment motor/sensor assembly
• Driver's seat head restraint adjustment motor/sensor assembly
• Driver's seat seatback latch switch
• G662
• Left entry assistance control module (under driver's seat)
• Nca
• Passenger's seat fore/aft adjustment motor/sensor assembly
• Passenger's seat head restraint adjustment motor/sensor assembly
• Red
• T12t
• T32g

Memory Systems Wiring Diagram, Convertible (3 of 4) for Audi A4 Quattro 2008

List of elements for Memory Systems Wiring Diagram, Convertible (3 of 4) for Audi A4 Quattro 2008:

• Backrest adjust
• Computer data lines system
• Fore/aft adjust
• Front passenger's power seat adjustment circuit breaker 2 fuse 45 30a
• G663
• Headrest adjust
• Hot at all times
• Passenger's entry assistance switch
• Passenger's power seat switch
• Passenger's seat backrest adjustment motor (in front passenger's seat back)
• Passenger's seat head restraint lock contact switch
• Passenger's seat height adjustment motor
• Passenger's seat inclination adjustment motor
• Passenger's seat lumbar support adjustment switch
• Passenger's seat lumbar support curvature adjustment motor (in front passenger's seat back)
• Passenger's seat lumbar support height adjustment motor (in front passenger's seat back)
• Passenger's seat seatback latch switch
• Red
• Right entry assistance control module (under front passenger's seat)
• Seat height adjust
• T10w
• T12l
• T32h
• T6ab
• Tilt adjust

Memory Systems Wiring Diagram, Convertible (4 of 4) for Audi A4 Quattro 2008

List of elements for Memory Systems Wiring Diagram, Convertible (4 of 4) for Audi A4 Quattro 2008:

• (integrated in driver's door window regulator motor)
• (integrated in right front door window regulator motor)
• 22a
• Anti-theft, door locks, power windows & interior lights systems
• Computer data lines system
• De- fog
• Driver side door control module
• Driver's seat memory program control
• Driver's side outside folding mirror
• Fold- away
• Fuse 15a
• Fuse holder
• G43 (above right kick panel)
• G44 (above left kick panel)
• Hot at all times
• Mirror adjustment switch
• Mirror fold away switch
• Mirror selector switch
• Nca
• Passenger side door control module
• Passenger's side outside folding mirror
• Position
• Power windows, interior lights & door locks systems
• T10e
• T10f
• T16b
• T16c
• T32c

Memory Systems Wiring Diagram, Except Convertible (1 of 2) for Audi A4 Quattro 2008

List of elements for Memory Systems Wiring Diagram, Except Convertible (1 of 2) for Audi A4 Quattro 2008:

• Computer data lines system
• Driver's power seat adjustment circuit breaker 2 fuse 45 30a
• Driver's power seat switch
• Driver's seat fore/aft motor/ switch assembly
• Driver's seat height adjustment motor/switch assembly
• Driver's seat inclination adjustment motor/switch assembly
• Driver's seat lumbar support adjustment switch
• Driver's seat lumbar support curvature adjustment motor (in driver's seat back)
• Driver's seat lumbar support height adjustment motor (in driver's seat back)
• Driver's seat seatback adjustment motor/switch assembly (in driver's seat back)
• G77 (left "b" pillar)
• Hot at all times
• Memory seat/ steering column adjustment control module (under driver's seat)
• Red
• T12g
• T32e

Memory Systems Wiring Diagram, Except Convertible (2 of 2) for Audi A4 Quattro 2008

List of elements for Memory Systems Wiring Diagram, Except Convertible (2 of 2) for Audi A4 Quattro 2008:

• (integrated in driver's door window regulator motor)
• (integrated in right front door window regulator motor)
• 22a
• Computer data lines system
• De- fog
• Driver side door control module
• Driver's interior locking switch
• Driver's seat memory program control
• Driver's side outside folding mirror
• Fold- away
• Fuse 15a
• Fuse holder
• G43 (above right kick panel)
• G44 (above left kick panel)
• Hot at all times
• Interior lights system
• Mirror adjustment switch
• Mirror fold away switch
• Mirror selector switch
• Nca
• Passenger side door control module
• Passenger's side outside folding mirror
• Position
• T10e
• T10f
• T16b
• T16c
• T32c

NAVIGATION

Navigation Wiring Diagram, Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2008

List of elements for Navigation Wiring Diagram, Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2008:

• (or pnk)
• (under front of center console)
• 39a
• Cd changer or ipod/usb connection baseplate
• Comfort system central control module (w/ alarm system) (under driver's seat)
• Computer data lines system
• Fuse 20a
• Fuse holder
• G43 (above right kick panel)
• G610
• G610 (under front of center console)
• Hot at all times
• Inside loudspeaker
• Left front midrange speaker
• Left front treble speaker
• Navigation system w/ cd drive control module (left side of luggage compt)
• Nca
• Right front midrange speaker
• Right front treble speaker
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• T12m
• T12n
• T16j
• T20g
• T8o
• T8p
• T8q
• Telephone preparation wiring (w/o satellite radio)
• W/ satellite radio
• W/o satellite radio

Navigation Wiring Diagram, Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2008

List of elements for Navigation Wiring Diagram, Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2008:

• Air bag spiral spring/ return spring w/ slip ring
• Amplifier (right side of trunk)
• Cluster
• Computer data lines system
• G610 (under front of center console)
• Instrument
• Left antenna module (under left side of luggage compt lid)
• Left front bass speaker
• Left rear speaker
• Navigation system antenna
• Nca
• Radio controls
• Right front bass speaker
• Right rear speaker
• Steering column electronic systems control module (if equipped) (on steering column, behind steering wheel)
• Steering wheel control unit
• T16a
• T32
• T32a

Navigation Wiring Diagram, Convertible with Bose (1 of 2) for Audi A4 Quattro 2008

List of elements for Navigation Wiring Diagram, Convertible with Bose (1 of 2) for Audi A4 Quattro 2008:

• (or pnk)
• (under front of center console)
• (under front of center console) g610
• 39a
• Cd changer or ipod/usb connection baseplate
• Comfort system central control module (w/ alarm system) (under driver's seat)
• Computer data lines system
• Fuse 20a
• Fuse holder
• G43 (behind right kick panel)
• G610
• G610 (under front of center console)
• Hot at all times
• Navigation system w/ cd drive control module (left side of luggage compt)
• Nca
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• T12m
• T12n
• T16j
• T20g
• T8o
• T8p
• Telephone preparation wiring (w/o satellite radio)
• W/ satellite radio
• W/o satellite radio

Navigation Wiring Diagram, Convertible with Bose (2 of 2) for Audi A4 Quattro 2008

List of elements for Navigation Wiring Diagram, Convertible with Bose (2 of 2) for Audi A4 Quattro 2008:

• Air bag spiral spring/ return spring w/ slip ring
• Amplifier (right side of trunk)
• Cluster
• Computer data lines system
• G610
• G610 (under front of center console)
• Inside loudspeaker
• Inside microphone
• Instrument
• Left antenna module (under left side of luggage compt lid)
• Left front bass speaker
• Left front midrange speaker
• Left front treble speaker
• Left rear speaker
• Navigation system antenna
• Nca
• Power tops system
• Radio controls
• Right front bass speaker
• Right front midrange speaker
• Right front treble speaker
• Right rear speaker
• Steering column electronic systems control module (if equipped) (on steering column, behind steering wheel)
• Steering wheel control unit
• T16a
• T32
• T32a

Navigation Wiring Diagram, Except Convertible with Bose (1 of 2) for Audi A4 Quattro 2008

List of elements for Navigation Wiring Diagram, Except Convertible with Bose (1 of 2) for Audi A4 Quattro 2008:

• (under driver's seat) comfort system central control module
• (under front of center console)
• (w/ voice control) telephone transceiver
• 39a
• Antenna
• B1 nca
• B2 nca
• Cd changer or ipod/usb connection baseplate
• Computer data lines system
• Fuse 20a
• Fuse holder
• G33
• G610
• G610 (under front of center console)
• Hot at all times
• Inside loudspeaker
• Left rear bass speaker
• Left rear midrange speaker
• Navigation system w/cd drive control module (avant: left rear of cargo area) (sedan: left rear of luggage compt)
• Nca
• Satellite radio
• T12m
• T12n
• T16j
• T20g
• T8o
• T8p t8p
• Telephone connection
• Telephone microphone
• W/ satellite radio
• W/o satellite radio
• W/o voice control

Navigation Wiring Diagram, Except Convertible with Bose (2 of 2) for Audi A4 Quattro 2008

List of elements for Navigation Wiring Diagram, Except Convertible with Bose (2 of 2) for Audi A4 Quattro 2008:

• (sedan) antenna selection control module
• Air bag spiral spring/ return spring w/ slip ring
• Amplifier (avant: right side of cargo area) (sedan: right side of trunk)
• Avant
• Bass loudspeaker
• Cluster
• Comfort system central control module (under driver's seat)
• Computer data lines system
• G610 (under front of center console)
• Inside microphone
• Instrument
• Left antenna module (under left side of luggage compt lid)
• Left front bass speaker
• Left front midrange speaker
• Left rear side window antenna
• Navigation/ tv tuner (if equipped)
• Nca
• Radio controls
• Rear window defogger w/ window antenna
• Right antenna module (if equipped) (under right side of luggage compt lid)
• Right front bass speaker
• Right front midrange speaker
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window antenna
• Sedan
• Steering column electronic systems control module (on steering column, behind steering wheel)
• Steering wheel control unit
• T16a
• T16i
• T32
• W/ tv
• W/o tv

Navigation Wiring Diagram, Except Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2008

List of elements for Navigation Wiring Diagram, Except Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2008:

• (under driver's seat) comfort system central control module
• (under front of center console) g610
• 39a
• Antenna
• Cd changer or ipod/usb connection baseplate
• Computer data lines system
• Fuse 20a
• Fuse holder
• G33
• G610 (under front of center console)
• Hot at all times
• Inside loudspeaker
• Left front bass speaker
• Left front midrange speaker
• Navigation system w/ cd drive control module (avant: left rear of cargo area) (sedan: left rear of luggage compt)
• Nca
• Right front bass speaker
• Right front midrange speaker
• Satellite radio
• T12m
• T12n
• T16j
• T20g
• T8o
• T8p
• T8q
• Telephone connection
• W/ satellite radio
• W/o satellite radio
• W/o voice control

Navigation Wiring Diagram, Except Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2008

List of elements for Navigation Wiring Diagram, Except Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2008:

• (sedan) antenna selection control module
• (w/ voice control) telephone transceiver
• Air bag spiral spring/ return spring w/ slip ring
• Amplifier (avant: right side of cargo area) (sedan: right side of trunk area)
• Avant
• Bass loudspeaker
• Cluster
• Comfort system central control module (under driver's seat)
• Computer data lines system
• G610 (under front of center console)
• Instrument
• Left antenna module (under left side of luggage compt lid)
• Left rear bass speaker
• Left rear midrange speaker
• Left rear side window antenna
• Navigation/ tv tuner (if equipped)
• Nca
• Nca nca
• Radio controls
• Rear window defogger w/ window antenna
• Right antenna module (if equipped) (under right side of luggage compt lid)
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window antenna
• Sedan
• Steering column electronic systems control module (on steering column, behind steering wheel)
• Steering wheel control unit
• T16a
• T16i
• T32
• Telephone microphone
• W/ tv
• W/o satellite radio
• W/o tv

Parking Assistant Wiring Diagram for Audi A4 Quattro 2008

List of elements for Parking Assistant Wiring Diagram for Audi A4 Quattro 2008:

• 17a
• Computer data lines system
• Front parking aid warning buzzer
• Fuse 10a
• Fuse panel
• G33
• G50 (left side of luggage compt)
• Hot at all times
• Hot in run or start
• Interior lights system
• Left front center parking aid sensor (in front bumper)
• Left front parking aid sensor (in front bumper)
• Left rear center parking aid sensor (on rear bumper)
• Left rear parking aid sensor (on rear bumper)
• Parking aid control module (avant: left side of cargo area) (sedan: left side of trunk)
• Parking aid switch
• Rear parking aid warning buzzer (avant: left side of cargo area) (sedan: under package shelf)
• Red
• Right front center parking aid sensor (on front bumper)
• Right front parking aid sensor (front bumper)
• Right rear center parking aid sensor (on rear bumper)
• Right rear parking aid sensor (on rear bumper)
• T12e
• T12i
• T16f

POWER DISTRIBUTION

Power Distribution Wiring Diagram, Convertible (1 of 2) for Audi A4 Quattro 2008

List of elements for Power Distribution Wiring Diagram, Convertible (1 of 2) for Audi A4 Quattro 2008:

• 10a
• 11a
• 12v socket
• 15a
• 16a
• 17a
• 18a
• 22a
• 30a
• 31a
• 33a
• 34a
• 36a
• 37a
• 40a
• 43a
• 50b
• 86s
• A/t after- run fuse
• Abs control module (w/ edl)
• Abs control module fuse 1
• Acc
• Air quality sensor & high pressure sensor
• Airbag control module, front passenger airbag disabled indicator lamp, seat occupied recognition control module
• Back-up light switch, data link connector (dlc), shift lock solenoid, transmission control module, mass air flow sensor, automatic day/night interior mirror
• Battery
• Brake light switch, esp sensor unit, abs control module (w/ edl) & anti-slip control switch
• Cigarette lighter
• Climatronic control module
• Conver- tible top operation fuse
• Convertible top control module
• Convertible top operation hydraulic unit
• Driver side door control module
• Fuse 10a
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G11
• G33
• G44 (above left kick panel)
• Garage door opener control head & garage door opener control module
• Generator
• Headlight adjuster, headlight range control module, left & right headlight assembly
• Ignition/starter switch
• Instrument cluster
• Instrument cluster & steering column electronic systems control module
• Left headlight assembly
• Light switch
• Light switch, vehicle electrical system control module, left headlight assembly
• Load reduction relay (left side of dash)
• Lock
• Motronic engine control module (ecm)
• Nca
• Oil level thermal sensor,
• Parking aid control module
• Parking aid control module, rain/light recognition sensor, front interior light
• Passenger side door control module
• Red
• Red b
• Red c
• Red g
• Sport program button
• Start
• Start system button
• Starter
• Starter relay, starter relay 2
• Starting interlock relay, suppressor, engine control module
• Steering column electronic systems control module
• T10b
• T32b
• Telephone transceiver
• Tiptronic switch,
• To coolant fan fuse (diagram 2 of 2)
• To fuse holder (diagram 2 of 2)
• To power seat fuse 45 (diagram 2 of 2)
• To power window fuse (diagram 2 of 2)
• To window regulator fuse (diagram 2 of 2)
• Transmission control module (tcm) (6-speed)
• Vehicle electrical system control module
• Washer nozzle heater (left/right)

Power Distribution Wiring Diagram, Convertible (2 of 2) for Audi A4 Quattro 2008

List of elements for Power Distribution Wiring Diagram, Convertible (2 of 2) for Audi A4 Quattro 2008:

• (except 600w) (600w)
• 12a
• 13a
• 14a
• 15a
• 24a
• 25a
• 26a
• 30a
• 35a
• 38a
• 39a
• 40a
• 40a 60a
• 42a
• 44a
• Abs control module
• Alarm horn, comfort system central control module, radar interior monitoring control module 1 & 2, front interior light
• Brake light switch
• Climatronic control module
• Comfort system central control module
• Coolant fan control (fc) module
• Coolant fan fuse
• Data link connector (dlc)
• Driver side door control module & passenger side door control module
• Driver's seat lumbar support adjustment switch, memory seat/ steering column adjustment control module, left entry assistance control module
• Fresh air blower control module
• From battery (diagram 1 of 2)
• From fuse holder fuse 30 (diagram 1 of 2)
• From fuse holder fuse 33 (diagram 1 of 2)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 35a
• Fuse 5a
• Fuse holder
• G663
• Horn relay
• Instrument cluster
• Left/right footwell light & left/right rear footwell light
• Left/right rear window regulator motors
• Passenger's power seat switch, front passenger seat lumbar support adjustment switch & right entry assistance control module
• Power seat fuse 45
• Power seat fuse 46
• Power window fuse
• Radio, amplifier, satellite radio, navigation system w/ cd drive control module
• Rear window defogger relay
• Red
• Socket
• Steering column electronic systems control module
• Window regulator fuse 2

Power Distribution Wiring Diagram, Except Convertible (1 of 2) for Audi A4 Quattro 2008

List of elements for Power Distribution Wiring Diagram, Except Convertible (1 of 2) for Audi A4 Quattro 2008:

• (w/ heated front window) windshield heating voltage converter
• 10a
• 11a
• 16a
• 18a
• 22a
• 30a
• 31a
• 33a
• 36a
• 37a
• 38a
• 43a
• 50b
• 86s
• A/t after- run fuse 15a
• Abs control module (w/edl)
• Abs control module fuse 1
• Acc
• Air quality sensor & high pressure sensor
• Alarm horn & comfort system central control module
• Back-up light switch, data link connector (dlc), starting interlock relay,
• Battery
• Cigarette lighter
• Climatronic control module
• Control module, automatic day/ night interior mirror, mass air-flow sensor
• Driver side door control module
• E-box relay carrier (rear of engine compt)
• Engine control module (ecm)
• Esp sensor unit, brake light switch, abs control module (w/edl)
• Front passenger side door control module
• Fuse 10a
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 50a
• Fuse 5a
• Fuse holder
• Fuse holder (left end of dash)
• Fuse strip (main fuse)
• G11
• G33
• G49
• Garage door opener control head & garage door opener control module
• Generator
• Headlight range control module, headlight adjuster, left headlight beam adjusting motor, right headlight beam adjusting motor, right headlight power output stage
• Ignition/starter switch
• Instrument cluster
• Left headlamp power output stage
• Left rear heated seat control module,
• Light switch
• Load reduction relay (left side of dash)
• Lock
• Nca
• Oil level thermal sensor,
• Power sunroof control module
• Rear shade circuit breaker 10a
• Rear window shade control module
• Rear windshield wiper motor (avant)
• Red
• Red b
• Right rear heated seat control module
• Seat occupied recognition pressure sensor, front passenger's airbag disabled indicator lamp air bag control module
• Servotronic control module
• Shift lock solenoid, (6-speed) transmission
• Start
• Starter
• Starter relay
• Starter, starting interlock relay, clutch pedal starter interlock switch
• Steering column electronic systems control module
• T10b
• T32b
• Telephone amplifier
• Telephone transceiver
• Tiptronic switch, rear window shade switch,
• To coolant fan fuse (diagram 2 of 2)
• To driver's power seat adjustment circuit breaker 2 (diagram 2 of 2)
• To fuse holder (diagram 2 of 2)
• To power window fuse (diagram 2 of 2)
• Transmission control module (tcm) (6-speed)
• Vehicle electrical system control module
• Washer nozzle heater (left/right)

Power Distribution Wiring Diagram, Except Convertible (2 of 2) for Audi A4 Quattro 2008

List of elements for Power Distribution Wiring Diagram, Except Convertible (2 of 2) for Audi A4 Quattro 2008:

• (except 600w) (600w)
• 12a
• 12v socket
• 13a
• 14a
• 15a
• 17a
• 23a
• 24a
• 25a
• 26a
• 34a
• 35a
• 38a
• 39a
• 40a
• 42a
• 44a
• Abs control module
• Alarm horn, comfort system central control module, radar interior monitoring control module 1
• Brake light switch
• Climatronic control module
• Comfort system central control module
• Coolant fan control (fc) module
• Coolant fan fuse 40a 60a
• Data link connector (dlc)
• Driver side door control module & passenger side door control module
• Driver's power seat adjustment circuit breaker 2 (fuse 45) 30a
• Driver's power seat adjustment switch, driver's seat lumbar support adjustment switch, memory seat/steering column adjustment control module, front passenger seat lumbar support adjustment switch front passenger's power seat adjustment switch
• Fresh air blower control module
• From battery (diagram 1 of 2)
• From fuse holder fuse 30 (diagram 1 of 2)
• From fuse holder fuse 33 (diagram 1 of 2)
• Front passenger's power seat adjustment circuit breaker 1 (fuse 46) 10a
• Front passenger's seat lumbar support adjustment switch, front passenger's power seat adjustment switch
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 35a
• Fuse 5a
• Fuse holder
• G33
• G78
• Horn relay
• Instrument cluster
• Left rear door control module
• Left rear door control module & right rear door control module
• Left rear heated seat control module, right rear heated seat control module & ac control head
• Left/right footwell light, left rear footwell light & right rear footwell light
• Power window fuse 2 30a
• Power window fuse 30a
• Radio, radio connector, satellite radio, amplifier, navigation control module (w/cd)
• Rear window defogger relay
• Red
• Right rear door control module
• Socket
• Steering column electronic systems control module
• Tire pressure monitoring control module, rain/light recognition sensor, parking aid control module

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Power Door Locks Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• (below driver's seat)
• 22a
• 24a
• 38a
• 9-position relay carrier
• Central locking warning light (safe) (driver side door)
• Central locking warning light (safe) (passenger side door)
• Central locking/ anti-theft alarm system antenna
• Comfort system central control module
• Computer data lines system
• Driver side central locking lock unit (rear of driver's door)
• Driver's door interior lock switch
• Driver's side door control module (integrated in left front door window regulator motor)
• Front passenger's interior lock switch
• Fuel tank lid unlock motor
• Fuse 15a
• Fuse 20a
• Fuse holder
• G43 (above right kick panel)
• G44 (above left kick panel)
• G49
• G661
• Glove box lock motor
• Hot at all times
• Mirrors, trunk, tailgate & fuel doors, mirrors, power windows, interior lights systems
• Nca
• Passenger compartment monitoring switch
• Passenger side central locking lock unit
• Passenger's side door control module (integrated in right front door window regulator motor)
• Power window fuse 37 30a
• Power windows, interior lights systems
• Rear lid lock cylinder unlocking switch
• Rear lid unlock motor
• Red
• T10e
• T10f
• T12
• T12a
• T12h
• T16h
• T16i
• T32c
• T32d
• Trunk, tailgate, fuel doors system

Power Door Locks Wiring Diagram, Except Convertible, with Rear Power Windows (1 of 2) for Audi A4 Quattro 2008

List of elements for Power Door Locks Wiring Diagram, Except Convertible, with Rear Power Windows (1 of 2) for Audi A4 Quattro 2008:

• (integrated in left front door window regulator motor)
• (left side of luggage compt)
• 22a
• 24a
• 38a
• 9-position relay carrier
• Anti-theft system
• Avant
• Central locking warning light (safe)
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Driver side central locking lock unit (rear of driver's door)
• Driver side door control module
• Driver side interior lock switch
• Fuel tank lid unlock motor
• Fuse 15a
• Fuse 20a
• Fuse holder
• G44 (above left kick panel)
• G49
• G50
• Hot at all times
• Interior lights, power window systems
• Nca
• Passenger compartment monitoring switch
• Power window fuse 37 30a
• Rear lid lock cylinder unlocking switch
• Rear lid unlock motor & alarm switch
• Rear/center central locking switch (if equipped)
• Red
• Sedan
• Sedan avant
• T10e
• T12
• T12h
• T16i
• T20g
• T32c
• Trunk, tailgate & fuel doors, power windows, interior lights, memory systems
• Trunk, tailgate fuel doors system

Power Door Locks Wiring Diagram, Except Convertible, with Rear Power Windows (2 of 2) for Audi A4 Quattro 2008

List of elements for Power Door Locks Wiring Diagram, Except Convertible, with Rear Power Windows (2 of 2) for Audi A4 Quattro 2008:

• (if equipped) passenger side interior lock switch
• (integrated in left rear door window regulator motor)
• (integrated in right front door window regulator motor) passenger side door control module
• 23a
• 9-pin relay carrier
• Fuse 15a
• Fuse holder
• G43 (above right kick panel)
• G77 (left "b" pillar)
• G78 (right "b" pillar)
• Hot at all times
• Left rear central locking lock unit (rear of left rear door)
• Left rear door control module
• Passenger side central locking lock unit (rear of passenger's door)
• Power window fuse 2 30a
• Power windows, interior lights systems
• Right rear central locking lock unit (rear of right rear door)
• Right rear door control module (integrated in right rear door window regulator motor)
• T10f
• T10g
• T10h
• T12a
• T12b
• T12c
• T32d

Power Door Locks Wiring Diagram, Except Convertible, without Rear Power Windows (1 of 2) for Audi A4 Quattro 2008

List of elements for Power Door Locks Wiring Diagram, Except Convertible, without Rear Power Windows (1 of 2) for Audi A4 Quattro 2008:

• (integrated in left front door window regulator motor)
• 22a
• 24a
• 38a
• 9-position relay carrier
• Anti-theft system
• Avant
• Central locking warning light (safe)
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Driver side central locking lock unit (rear of driver's door)
• Driver side door control module
• Driver side interior lock switch
• Fuel tank lid unlock motor
• Fuse 15a
• Fuse 20a
• Fuse holder
• G44 (above left kick panel)
• G49 (under driver's seat)
• G50 (left side of luggage compt)
• Hot at all times
• Interior lights, power window systems
• Nca
• Passenger compartment monitoring switch
• Power window fuse 37 30a
• Rear lid lock cylinder unlocking switch
• Rear lid unlock motor & alarm switch
• Rear/center central locking switch (if equipped)
• Red
• Sedan
• Sedan avant
• T10e
• T12
• T12h
• T16i
• T20g
• T32c
• Trunk, tailgate & fuel doors, power windows, interior lights, memory systems
• Trunk, tailgate fuel doors system

Power Door Locks Wiring Diagram, Except Convertible, without Rear Power Windows (2 of 2) for Audi A4 Quattro 2008

List of elements for Power Door Locks Wiring Diagram, Except Convertible, without Rear Power Windows (2 of 2) for Audi A4 Quattro 2008:

• (if equipped) passenger side interior lock switch
• (integrated in right front door window regulator motor) passenger side door control module
• Comfort system central control module (below driver's seat)
• G43 (above right kick panel)
• G77 (left "b" pillar)
• G78 (right "b" pillar)
• Interior lights system
• Left rear central locking lock unit (rear of left rear door)
• Passenger side central locking lock unit (rear of passenger's door)
• Power windows, interior lights systems
• Right rear central locking lock unit (rear of right rear door)
• T10f
• T12a
• T16h
• T20g
• T32d

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Automatic Day/Night Mirror Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• (a4)
• (above left kick panel)
• (above or behind left
• 17a
• 31a
• Automatic day/night interior mirror
• Driver side door control module (integrated in driver's door window regulator motor)
• Exterior lights system
• Front interior light
• Fuse 10a
• Fuse 15a
• Fuse panel
• G44
• G49 (under driver's
• Hot at all times
• Hot in run or start
• Interior lights system
• Kick panel)
• Light recognition sensor
• Light switch
• Passenger side door control module (integrated in right front door window regulator motor)
• Rain/light recognition sensor
• Seat)
• T10e
• T10f
• T23
• T32b
• Vehicle electrical system control module (at left side of dash)
• W/ auto- matic day/night exterior mirror

Automatic Day/Night Mirror Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Automatic Day/Night Mirror Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• (above left kick panel)
• (above or behind left
• 17a
• 31a
• Automatic day/night interior mirror
• Driver side door control module (integrated in driver's door window regulator motor)
• Exterior lights system
• Front interior light
• Fuse 10a
• Fuse 15a
• Fuse panel
• G33
• G44
• Hot at all times
• Hot in run or start
• Interior lights system
• Kick panel)
• Light recognition sensor
• Light switch
• Passenger side door control module (integrated in right front door window regulator motor)
• Rain/light recognition sensor
• T10e
• T10f
• T23
• T32b
• Vehicle electrical system control module (at left side of dash)
• W/ auto- matic day/night exterior mirror

Power Mirrors Wiring Diagram, with Auto Tilt-Down Mirrors for Audi A4 Quattro 2008

List of elements for Power Mirrors Wiring Diagram, with Auto Tilt-Down Mirrors for Audi A4 Quattro 2008:

• (except convertible)
• (integrated in driver's door window regulator motor)
• (integrated in right front door window regulator motor)
• 22a
• Computer data lines system
• Convertible
• De- fog
• Door locks system
• Door locks, interior lights, memory, power windows & anti-theft systems
• Driver side door control module
• Driver's interior locking switch
• Driver's side outside folding mirror
• Except convertible
• Fold- away
• Fuse 15a
• Fuse holder
• G43 (above right kick panel)
• G44 (above left kick panel)
• Hot at all times
• Mirror adjustment switch
• Mirror fold away switch
• Mirror selector switch
• Nca
• Passenger side door control module
• Passenger's side outside folding mirror
• Position
• T10e
• T10f
• T16b
• T16c
• T32c

Power Mirrors Wiring Diagram, without Auto Tilt-Down Mirrors for Audi A4 Quattro 2008

List of elements for Power Mirrors Wiring Diagram, without Auto Tilt-Down Mirrors for Audi A4 Quattro 2008:

• (except convertible)
• (integrated in driver's door window regulator motor)
• 22a
• Computer data lines system
• Convertible
• De- fog
• Defogger system
• Door locks, interior lights, memory, power windows & anti- theft systems
• Driver side mirror
• Driver's interior locking switch
• Driver's side door control module
• Except convertible
• Front passenger's side door control module (integrated in right front door window regulator motor)
• Fuse 15a
• Fuse holder
• G43 (above or behind right kick panel)
• G44 (above or behind left kick panel)
• Hot at all times
• Mirror adjustment switch
• Mirror selector switch
• Passenger side mirror
• Red
• T10e
• T10f
• T16b
• T16c
• T32c

POWER SEATS

Front Seat Heater Wiring Diagram for Audi A4 Quattro 2008

List of elements for Front Seat Heater Wiring Diagram for Audi A4 Quattro 2008:

• 44a
• A/c control head
• Air conditioning system
• Airbag spiral spring/ return spring w/ slip ring
• Computer data lines system
• Driver's backrest heating element
• Driver's seat heater
• Front passenger's backrest heating element
• Front passenger's seat heater
• Fuse 35a
• Fuse holder
• G49
• G78 (right "b" pillar)
• Heated seat temp sensor
• Heated steering wheel (if equipped)
• Hot at all times
• Nca
• Seat heater
• Side bolster heater
• Side bolster heater 2
• Steering column electronic systems control module
• Steering wheel control unit
• T16a

Lumbar Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Lumbar Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• Driver seat lumbar support adjustment switch
• Driver seat lumbar support curvature adjustment motor
• Driver seat lumbar support height adjustment motor
• Driver's power seat adjustment circuit breaker 2 (fuse 45) 30a
• Front passenger's seat adjustment circuit breaker 1 (fuse 46) 30a
• G662
• G663
• Hot at all times
• Lumbar curv- ature
• Lumbar height
• Passenger seat lumbar support adjustment switch
• Passenger seat lumbar support curvature adjusting motor
• Passenger seat lumbar support height adjusting motor

Lumbar Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Lumbar Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• Driver seat lumbar support adjustment switch
• Driver seat lumbar support curvature adjustment motor (in driver's seat back)
• Driver seat lumbar support height adjustment motor (in driver's seat back)
• Driver's power seat adjustment circuit breaker 2 (fuse 45) 10a
• Front passenger's seat adjustment circuit breaker 1 (fuse 46) 10a
• G77 (left "b" pillar)
• G78 (right "b" pillar)
• Hot at all times
• Lumbar curv- ature
• Lumbar height
• Passenger seat lumbar support adjustment switch
• Passenger's seat lumbar support curvature adjustment motor (in front passenger's seat back)
• Passenger's seat lumbar support height adjustment motor (in front passenger's seat back)
• W/ driver's only power seat
• W/o driver's power seat

Power Seats Wiring Diagram, Convertible (1 of 2) for Audi A4 Quattro 2008

List of elements for Power Seats Wiring Diagram, Convertible (1 of 2) for Audi A4 Quattro 2008:

• Backrest adjust
• Computer data lines system
• Driver's entry assistance button
• Driver's head restraint lock contact switch
• Driver's power seat adjustment circuit breaker 2 (fuse 45) 30a
• Driver's power seat switch
• Driver's seat fore/aft motor/ sensor
• Driver's seat head restraint motor/ sensor
• Driver's seat height adjustment motor
• Driver's seat inclination adjustment motor
• Driver's seat seatback adjustment motor
• Driver's seatback latch switch
• Fore/aft adjust
• G662
• Headrest adjust
• Height adjust
• Hot at all times
• Inclination adjust
• Left entry assistance control module
• Red
• T10v
• T12t
• T32g
• T6aa

Power Seats Wiring Diagram, Convertible (2 of 2) for Audi A4 Quattro 2008

List of elements for Power Seats Wiring Diagram, Convertible (2 of 2) for Audi A4 Quattro 2008:

• Backrest adjust
• Backrest adjustment motor
• Computer data lines system
• Fore/aft adjust
• Front passenger's
• Front passenger's entry assistance button
• Front passenger's seat adjustment circuit breaker 1 (fuse 46) 10a
• Front passenger's seat fore/aft motor/ sensor
• Front passenger's seat head restraint lock contact switch
• Front passenger's seat head restraint motor/ sensor
• Front passenger's seat inclination adjustment motor
• Front passenger's seatback latch switch
• G663
• Headrest adjust
• Height adjust
• Hot at all times
• Inclination adjust
• Passenger's power seat switch
• Passenger's seat height adjustment motor
• Red
• Right entry assistance control module
• T10w
• T12l
• T32h
• T6ab

Power Seats Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Power Seats Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• (in driver's seat back)
• Driver seat lumbar support adjustment switch
• Driver's lumbar support curvature adjustment motor
• Driver's lumbar support height adjustment motor
• Driver's power seat adjustment circuit breaker 2 (fuse 45) 30a
• Driver's power seat switch
• Driver's seat fore/aft adjustment motor
• Driver's seat height adjustment motor
• Driver's seat inclination adjustment motor
• Driver's seat seatback adjustment motor (in driver's seat back)
• Front passenger's backrest adjusting motor (in front passenger's seat back)
• Front passenger's seat lumbar support curvature adjustment motor (in front passenger's seat back)
• Front passenger's seat lumbar support height adjustment motor (in front passenger's seat back)
• G77 (left "b" pillar)
• G78 (right "b" pillar)
• Hot at all times
• Lumbar curv- ature
• Lumbar height
• Passenger seat lumbar support adjustment switch
• Passenger's power seat switch
• Passenger's seat fore/aft adjustment motor
• Passenger's seat height adjustment motor
• Passenger's seat inclination adjustment motor

Rear Heated Seats Wiring Diagram for Audi A4 Quattro 2008

List of elements for Rear Heated Seats Wiring Diagram for Audi A4 Quattro 2008:

• 44a
• Fuse 10a
• Fuse 35a
• Fuse holder
• G78 (right "b" pillar)
• Heated seat control module (left rear) (rear of center console)
• Heated seat control module (right rear) (rear of center console)
• Heated seat temp sensor
• Hot at all times
• Hot in run or start
• Interior lights system
• Left rear backrest heating element
• Left rear seat heater
• Nca
• Right rear backrest heating element
• Right rear seat heater
• Seat heater
• Seat occupied sensor

POWER TOP/SUNROOF

Convertible Top Wiring Diagram (1 of 2) for Audi A4 Quattro 2008

List of elements for Convertible Top Wiring Diagram (1 of 2) for Audi A4 Quattro 2008:

• (closed)
• (open)
• 2.0l
• 3.2l
• 30a
• Computer data lines system
• Convertible top compartment latch switch & cover locking motor (center rear of convertible top compt)
• Convertible top control module (behind right quarterpanel)
• Convertible top frame position sensor (at right convertible top main mount)
• Convertible top lock switches & locking motor (center front of convertible top)
• Convertible top operation switch
• Defogger system
• Engine control module (left rear of engine compartment, in plenum chamber)
• Fuse 30a
• Fuse holder
• G661
• G663
• Hot at all times
• Interior lights system
• Nca
• T94

Convertible Top Wiring Diagram (2 of 2) for Audi A4 Quattro 2008

List of elements for Convertible Top Wiring Diagram (2 of 2) for Audi A4 Quattro 2008:

• 40a
• Amplifier
• Comfort system central control module (below driver's seat)
• Compartment cover locked right switch 1 (right side of convertible top compt)
• Compartment cover open position switch (right side of convertible top compt)
• Convertible top closed position switch (right side of convertible top compt)
• Convertible top compartment enclosure position switch (right side of luggage compt)
• Convertible top front lock switch (top center of wind- shield header)
• Convertible top hydraulic pump
• Convertible top hydraulic pump relay
• Convertible top hydraulic pump relay 2
• Convertible top open position switch (right side of convertible top compt)
• Convertible top operation fuse (fuse 67)
• Convertible top operation hydraulic unit (right side of luggage compt)
• Convertible top right lock switch (right side of wind- shield header)
• G661
• G663
• Hot at all times
• Left convertible top compartment cover switch
• Nca
• Power convertible top valve 1
• Power convertible top valve 2
• Power convertible top valve 3
• T12h
• T20g

Sunroof Wiring Diagram for Audi A4 Quattro 2008

List of elements for Sunroof Wiring Diagram for Audi A4 Quattro 2008:

• (left rear of engine compt, in plenum chamber)
• (under driver's seat)
• (under roof console)
• 2.0l
• 3.2l
• 30a
• Abs control module (at left side of engine compt)
• Comfort system central control module
• Engine control module
• Front interior light
• Fuse 20a
• Fuse holder
• G44 (above left kick panel)
• Hot at all times
• Nca
• Power sunroof control module
• Power windows system
• Servotronic control module (at left side of dash)
• Sunroof switch
• T12h
• T12i
• T94

POWER WINDOWS

Power Windows Wiring Diagram, Convertible for Audi A4 Quattro 2008

List of elements for Power Windows Wiring Diagram, Convertible for Audi A4 Quattro 2008:

• 22a
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Door locks, mirrors, memory & interior lights systems
• Driver's side door control module (integrated in driver's door window regulator motor)
• Fuse 15a
• Fuse holder
• G43
• G44 (above left kick panel)
• G662
• G663
• Hot at all times
• Interior lights systems
• Interior lights, & door locks systems
• Left front window regulator switch
• Left rear window regulator motor
• Left rear window regulator switch
• Left window motor
• Master power window switch
• Passenger door window regulator switch
• Passenger's side door control module (integrated in right front door window regulator motor)
• Power window fuse fuse 37 30a
• Right front window regulator switch
• Right rear window regulator motor
• Right rear window regulator switch
• Right window motor
• T10e
• T10f
• T16i
• T32c
• T32d
• Window regulator central switch
• Window regulator fuse 2 (fuse 280) 30a

Power Windows Wiring Diagram, Except Convertible for Audi A4 Quattro 2008

List of elements for Power Windows Wiring Diagram, Except Convertible for Audi A4 Quattro 2008:

• 22a
• 23a
• Anti-theft, trunk, tailgate & fuel doors, memory, door locks, mirrors & interior lights systems
• Comfort system central control module (below driver's seat)
• Computer data lines system
• Driver's side door control module (integrated in driver's door window regulator motor)
• Fuse 15a
• Fuse holder
• G43 (above right kick panel)
• G44 (above left kick panel)
• G77 (left "b" pillar)
• G78 (right "b" pillar)
• Hot at all times
• Interior lights system
• Interior lights systems
• Interior lights, & door locks systems
• Left front window regulator switch
• Left rear door control module (integrated in left rear window regulator motor)
• Left rear window motor
• Left rear window regulator switch
• Left rear window switch
• Left window motor
• Master power window switch
• Passenger door window regulator switch
• Passenger's side door control module (integrated in right front door window regulator motor)
• Power window fuse (fuse 37) 30a
• Rear window safety regulator switch
• Right front window regulator switch
• Right rear door control module (integrated in right rear door window regulator motor)
• Right rear window motor
• Right rear window regulator switch
• Right rear window switch
• Right window motor
• T10e
• T10f
• T10g
• T10h
• T12h
• T16d
• T16e
• T16i
• T32c
• T32d
• Window regulator fuse 2 (fuse 280) 30a

Rear Window Sun Shade Wiring Diagram for Audi A4 Quattro 2008

List of elements for Rear Window Sun Shade Wiring Diagram for Audi A4 Quattro 2008:

• Fuse 10a
• Fuse holder
• G50 (left side of luggage compt)
• Hot in on or start
• Interior lights system
• Nca
• Rear shade circuit breaker 10a
• Rear window shade control module (under package shelf)
• Rear window shade motor
• Rear window shade switch

RADIO

Radio Wiring Diagram, Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2008

List of elements for Radio Wiring Diagram, Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2008:

• (under front of center console)
• (w/cd)
• (w/o cd)
• 39a
• Cd changer or ipod/usb connection baseplate
• Comfort system central control module (w/ alarm system) (under driver's seat)
• Computer data lines system
• Fuse 20a
• Fuse holder
• G43 (above right kick panel)
• G610
• G610 (under front of center console)
• Hot at all times
• Inside loudspeaker
• Left front midrange speaker
• Left front treble speaker
• Nca
• Radio
• Right front midrange speaker
• Right front treble speaker
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• T12m
• T12n
• T16j
• T20g
• T8o
• T8p
• T8q
• Telephone preparation wiring (w/o satellite radio)
• W/ satellite radio
• W/o satellite radio

Radio Wiring Diagram, Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2008

List of elements for Radio Wiring Diagram, Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2008:

• Air bag spiral spring/ return spring w/ slip ring
• Amplifier (right side of trunk)
• Cluster
• Computer data lines system
• G610 (under front of center console)
• Instrument
• Left antenna module (under left side of luggage compt lid)
• Left front bass speaker
• Left rear speaker
• Nca
• Radio controls
• Right antenna module (under right side of luggage compt lid)
• Right front bass speaker
• Right rear speaker
• Steering column electronic systems control module (if equipped) (on steering column, behind steering wheel)
• Steering wheel control unit
• T16a
• T32
• T32a

Radio Wiring Diagram, Convertible with Bose (1 of 2) for Audi A4 Quattro 2008

List of elements for Radio Wiring Diagram, Convertible with Bose (1 of 2) for Audi A4 Quattro 2008:

• (under front of center console) g610
• (w/ cd)
• (w/o cd)
• 39a
• Cd changer or ipod/usb connection baseplate
• Comfort system central control module (w/ alarm system) (under driver's seat)
• Computer data lines system
• Fuse 20a
• Fuse holder
• G43 (behind right kick panel)
• G610 (under front of center console)
• Hot at all times
• Nca
• Radio
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• T12m
• T12n
• T16j
• T20g
• T8o
• T8p
• Telephone preparation wiring (w/o satellite radio)
• W/ satellite radio
• W/o satellite radio

Radio Wiring Diagram, Convertible with Bose (2 of 2) for Audi A4 Quattro 2008

List of elements for Radio Wiring Diagram, Convertible with Bose (2 of 2) for Audi A4 Quattro 2008:

• Air bag spiral spring/ return spring w/ slip ring
• Amplifier (right side of trunk)
• Cluster
• Computer data lines system
• G610
• G610 (under front of center console)
• Inside loudspeaker
• Inside microphone
• Instrument
• Left antenna module (under left side of luggage compt lid)
• Left front bass speaker
• Left front midrange speaker
• Left front treble speaker
• Left rear speaker
• Nca
• Power tops system
• Radio controls
• Right antenna module (under right side of luggage compt lid)
• Right front bass speaker
• Right front midrange speaker
• Right front treble speaker
• Right rear speaker
• Steering column electronic systems control module (if equipped) (on steering column, behind steering wheel)
• Steering wheel control unit
• T16a
• T32
• T32a

Radio Wiring Diagram, Except Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2008

List of elements for Radio Wiring Diagram, Except Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2008:

• (under front of center console)
• 39a
• Antenna
• Cd changer or ipod/usb connection baseplate
• Comfort system central control module (under driver's seat)
• Computer data lines system
• Except w/ navigation
• Fuse 20a
• Fuse holder
• G33: w/cd g610: w/o cd (under front of center console)
• G610
• G610 (under front of center console)
• Hot at all times
• Inside loudspeaker
• Left front bass speaker
• Left front midrange speaker
• Navigation system w/ cd drive control module (avant: left rear of cargo area) (sedan: left rear of luggage compt)
• Nca
• Radio
• Right front bass speaker
• Right front midrange speaker
• Satellite radio
• Satellite tuner & satellite antennae
• T10l
• T12m
• T12n
• T16j
• T20g
• T42
• T8o
• T8p
• T8q
• Telephone preparation wiring
• Telephone transceiver
• W/ satellite radio
• W/ voice control
• W/navigation
• W/o satellite radio
• W/o voice control

Radio Wiring Diagram, Except Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2008

List of elements for Radio Wiring Diagram, Except Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2008:

• (avant: right side of cargo area) (sedan: right side of trunk)
• (sedan) antenna selection control module
• (under front of center console) g610
• Air bag spiral spring/ return spring w/ slip ring
• Amplifier
• Avant
• Bass loudspeaker
• Cluster
• Comfort system central control module (under driver's seat)
• Computer data lines system
• Instrument
• Left antenna module (avant) (under left side of luggage compt lid)
• Left rear bass speaker
• Left rear midrange speaker
• Left rear side window antenna
• Nca
• Radio controls
• Rear window antenna
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window antenna
• Sedan
• Steering column electronic systems control module (on steering column, behind steering wheel)
• Steering wheel control unit
• T16a
• T16j
• T32
• T32a

Radio Wiring Diagram, Except Convertible with Bose (1 of 2) for Audi A4 Quattro 2008

List of elements for Radio Wiring Diagram, Except Convertible with Bose (1 of 2) for Audi A4 Quattro 2008:

• (under front of center console)
• 39a
• Antenna
• Cd changer or ipod/usb baseplate
• Comfort system central control module (under driver's seat)
• Computer data lines system
• Except w/ navigation
• Fuse 20a
• Fuse holder
• G33 w/ cd g610 w/o cd (under front of center console)
• G610
• G610 (under front of center console)
• Hot at all times
• Left rear bass speaker
• Left rear midrange speaker
• Navigation system w/ cd drive control module (avant: left rear of cargo area) (sedan: left rear of luggage compt)
• Nca
• Radio
• Satellite radio
• Satellite tuner & satellite antennae
• T10l
• T12m
• T12n
• T16j
• T20g
• T42
• T8o
• T8p
• Telephone preparation wiring
• Telephone transceiver
• W/ satellite radio
• W/ voice control
• W/navigation
• W/o satellite radio
• W/o voice control

Radio Wiring Diagram, Except Convertible with Bose (2 of 2) for Audi A4 Quattro 2008

List of elements for Radio Wiring Diagram, Except Convertible with Bose (2 of 2) for Audi A4 Quattro 2008:

• (sedan) antenna selection control module
• Air bag spiral spring/ return spring w/ slip ring
• Amplifier (avant: right side of cargo area) (sedan: right side of trunk)
• Avant
• Bass loudspeaker
• Cluster
• Comfort system central control module (under driver's seat)
• Computer data lines system
• G610 (under front of center console)
• Inside loudspeaker
• Inside microphone
• Instrument
• Left antenna module (under left side of luggage compt lid)
• Left front bass speaker
• Left front midrange speaker
• Left rear side window antenna
• Nca
• Radio controls
• Rear window antenna
• Right front bass speaker
• Right front midrange speaker
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window antenna
• Sedan
• Steering column electronic systems control module (on steering column, behind steering wheel)
• Steering wheel control unit
• T16a
• T16j
• T32
• T32a

SHIFT INTERLOCK

Shift Interlock Wiring Diagram, 6 Speed A/T for Audi A4 Quattro 2008

List of elements for Shift Interlock Wiring Diagram, 6 Speed A/T for Audi A4 Quattro 2008:

• 31a
• Fuse 15a
• Fuse holder
• Hot in run or start
• Shift lock solenoid
• Tiptronic switch
• Transmission control module (tcm)

Shift Interlock Wiring Diagram, with CVT for Audi A4 Quattro 2008

List of elements for Shift Interlock Wiring Diagram, with CVT for Audi A4 Quattro 2008:

• After-run auto transmission fuse
• Fuse s286 15a
• G33
• Hot w/ ecm relay energized
• Shift lock solenoid
• Tiptronic switch
• Transmission control module (tcm)

STARTING/CHARGING

Charging Wiring Diagram for Audi A4 Quattro 2008

List of elements for Charging Wiring Diagram for Audi A4 Quattro 2008:

• 2.0l
• 3.2l
• Acc
• Battery
• Fuse 150a
• Fuse strip (main fuse)
• G11 (right rear of engine compt)
• Generator
• Generator warning light
• Ignition/ starter switch
• Instrument cluster
• Lock
• Motronic engine control module
• Nca
• Red
• Start
• Starter
• T32a
• T94

2.0L TURBO

2.0L Turbo, Starting Wiring Diagram, with 6 Speed A/T for Audi A4 Quattro 2008

List of elements for 2.0L Turbo, Starting Wiring Diagram, with 6 Speed A/T for Audi A4 Quattro 2008:

• 31a
• 50a
• 50b
• 50z
• Acc
• Battery
• Charging circuit
• Fuse 150a
• Fuse 15a
• Fuse panel
• Fuse strip (main fuse)
• G11 (right rear of engine compt)
• Hot in run or start
• Ignition/ starter switch
• Interlock relay
• Lock
• Nca
• P/n
• Red
• Start
• Starter
• Starting 50z
• Tiptronic switch
• Transmission control module (tcm)

2.0L Turbo, Starting Wiring Diagram, with CVT for Audi A4 Quattro 2008

List of elements for 2.0L Turbo, Starting Wiring Diagram, with CVT for Audi A4 Quattro 2008:

• 50a
• 50b
• 50z
• Acc
• Battery
• Charging circuit
• Fuse 150a
• Fuse strip (main fuse)
• G11 (right rear of engine compt)
• Ignition/ starter switch
• Interlock relay
• Lock
• Nca
• P/n
• Red
• Start
• Starter
• Starting 50z
• Tiptronic switch
• Transmission control module (tcm)

2.0L Turbo, Starting Wiring Diagram, with M/T for Audi A4 Quattro 2008

List of elements for 2.0L Turbo, Starting Wiring Diagram, with M/T for Audi A4 Quattro 2008:

• (main fuse)
• Acc
• Battery
• Charging circuit
• Clutch pedal/ starter interlock switch
• Fuse 150a
• G11 (right rear of engine compt)
• G33
• Ignition/ starter switch
• Lock
• Locking relay for starter (clutch pedal switch) (left rear of engine compt)
• Nca
• Off
• Red
• Start
• Starter

3.2L

3.2L, Starting Wiring Diagram, with A/T for Audi A4 Quattro 2008

List of elements for 3.2L, Starting Wiring Diagram, with A/T for Audi A4 Quattro 2008:

• 50b
• 6-spd a/t cvt
• Acc
• Battery
• Charging circuit
• Engine control module (ecm) (left rear of engine compt, in plenum chamber)
• Fuse 150a
• Fuse strip (main fuse)
• G11 (right rear of engine compt)
• G12 (left rear of engine compt)
• Ignition/ starter switch
• Lock
• Nca
• Red
• Start
• Starter
• Starter relay
• Starter relay 2
• Suppressor
• T1h
• T1j
• T94
• Tiptronic switch
• Transmission control module (tcm)

3.2L, Starting Wiring Diagram, with M/T for Audi A4 Quattro 2008

List of elements for 3.2L, Starting Wiring Diagram, with M/T for Audi A4 Quattro 2008:

• 50b
• Acc
• Battery
• Charging circuit
• Clutch pedal starter interlock switch (m/t)
• Engine control module (ecm)
• Fuse 150a
• Fuse strip (main fuse)
• G11 (right rear of engine compt)
• G12 (left rear of engine compt)
• G33
• Ignition/ starter switch
• Lock
• Nca
• Red
• Start
• Starter
• Starter relay
• Starter relay 2
• Suppressor
• T1h
• T1j
• T94

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram, Convertible (1 of 2) for Audi A4 Quattro 2008

List of elements for Supplemental Restraints Wiring Diagram, Convertible (1 of 2) for Audi A4 Quattro 2008:

• (if equipped) rear safety belt tensioner igniter (driver's side)
• Air bag control module
• Air bag spiral spring/return spring w/slip ring
• Driver's air bag igniter
• Driver's knee air bag igniter
• Driver's rollover protection solenoid
• Driver's safety belt tensioner igniter 1
• Driver's side air bag igniter
• Front passenger's air bag igniter
• Front passenger's knee air bag igniter
• Front passenger's rollover protection solenoid
• Front passenger's safety belt tensioner igniter 1
• Front passenger's side air bag igniter
• G109
• Igniter
• Igniter 1
• Igniter 2
• Nca
• Rear safety belt tensioner igniter (front passenger's side)
• Red
• Shorting contact
• Solid state

Supplemental Restraints Wiring Diagram, Convertible (2 of 2) for Audi A4 Quattro 2008

List of elements for Supplemental Restraints Wiring Diagram, Convertible (2 of 2) for Audi A4 Quattro 2008:

• (all)
• (if equipped)
• (if equipped) front passenger's air bag disabled indicator lamp
• * - information
• 11a
• Air bag control module
• Air bag malfunction indicator lamp (mil)
• B seat occupied recognition pressure sensor w/o bladder
• Comfort system central control module
• Computer data lines system
• Driver's front air bag crash sensor
• Driver's safety belt switch
• Driver's side air bag crash sensor
• Engine control module (ecm)
• Front passenger's front air bag crash sensor
• Front passenger's safety belt switch & seat occupied recognition safety belt force sensor
• Front passenger's seat occupied sensor (if equipped)
• Front passenger's side air bag crash sensor
• Fuse 10a
• Fuse/ relay panel
• G109
• Hot in on or start
• Instrument cluster
• Instrument cluster control module
• Not available
• Recognition pressure sensor bladder equipped
• Red
• Seat occupied a
• Seat occupied recognition control module (w/ seat occupied recognition pressure sensor (w/ bladder))
• Seat occupied recognition pressure sensor (if equipped)
• Solid state
• T32a

Supplemental Restraints Wiring Diagram, Except Convertible (1 of 2) for Audi A4 Quattro 2008

List of elements for Supplemental Restraints Wiring Diagram, Except Convertible (1 of 2) for Audi A4 Quattro 2008:

• (bns engine) battery interrupt igniter
• (if equipped) rear safety belt tensioner igniter (driver's side)
• (if equipped) rear safety belt tensioner igniter (front passenger's side)
• Air bag control module
• Air bag spiral spring/return spring w/slip ring
• Center rear safety belt tensioner igniter
• Driver's head curtain air bag igniter (if equipped)
• Driver's safety belt tensioner igniter 1
• Driver's side air bag igniter
• Driver's side air bag igniter (w/o rs4 seats)
• Front passenger's air bag igniter
• Front passenger's safety belt tensioner igniter 1
• Front passenger's side air bag igniter (w/o rs4 seats)
• G109
• Igniter
• Igniter 1
• Igniter 2
• Nca
• Rear passenger's side air bag igniter (driver's side) (if equipped)
• Rear passenger's side air bag igniter (front passenger's side) (if equipped)
• Red
• Shorting contact
• Solid state

Supplemental Restraints Wiring Diagram, Except Convertible (2 of 2) for Audi A4 Quattro 2008

List of elements for Supplemental Restraints Wiring Diagram, Except Convertible (2 of 2) for Audi A4 Quattro 2008:

• (all)
• (if equipped)
• * - information
• 11a
• Air bag control module
• Air bag malfunction indicator lamp (mil)
• B except seat occupied recognition pressure sensor equipped
• Comfort system central control module
• Computer data lines system
• Driver's front air bag crash sensor
• Driver's safety belt switch
• Driver's side air bag crash sensor
• Engine control module (ecm)
• Front passenger's air bag disabled indicator lamp
• Front passenger's front air bag crash sensor
• Front passenger's head curtain air bag igniter (if equipped)
• Front passenger's safety belt switch & seat occupied recognition safety belt force sensor
• Front passenger's seat occupied sensor (if equipped)
• Front passenger's side air bag crash sensor
• Fuse 10a
• Fuse/ relay panel
• G109
• Hot in on or start
• Instrument cluster
• Instrument cluster control module
• Nca
• Not available
• Rear side air bag crash sensor (driver's side)
• Rear side air bag crash sensor (front passenger's side)
• Recognition pressure sensor equipped
• Red
• Seat occupied a
• Seat occupied recognition control module (w/ seat occupied recognition pressure sensor (bladder mat))
• Seat occupied recognition pressure sensor (if equipped)
• Shorting contact
• Solid state
• T32a

TRANSMISSION

A/T Wiring Diagram, 6 Speed A/T for Audi A4 Quattro 2008

List of elements for A/T Wiring Diagram, 6 Speed A/T for Audi A4 Quattro 2008:

• 2.0l
• 2.0l & 3.2l
• 31a
• 4.2l
• Acc
• Automatic transmission after-run fuse
• Computer data lines system
• Convertible
• Data link connector (under left side of dash)
• Except convertible
• Exterior lights system
• Fuse 10a
• Fuse 15a
• Fuse holder
• G12 (left rear of engine compt)
• G33
• Hot at all times
• Hot w/ ecm relay energized
• Ignition/ starter switch
• Instrument cluster
• Interior lights system
• Lock
• Motronic engine control module
• Off
• Park/ neutral position (pnp) relay
• Shift lock solenoid
• Start
• Starting interlock relay
• Starting/ charging system
• T121
• T32a
• T94
• Tiptronic switch
• Transmission control module (tcm) (at rear of transmission)

A/T Wiring Diagram, with CVT for Audi A4 Quattro 2008

List of elements for A/T Wiring Diagram, with CVT for Audi A4 Quattro 2008:

• 31a
• Acc
• Automatic transmission after-run fuse
• Computer data lines system
• Convertible
• Data link connector (under left side of dash)
• Except convertible
• Exterior lights system
• Fuse 10a
• Fuse 15a
• Fuse holder
• G12 (left rear of engine compt)
• G33
• Hot at all times
• Hot w/ ecm relay energized
• Ignition/ starter switch
• Instrument cluster
• Interior lights system
• Lock
• Motronic engine control module
• Off
• Park/ neutral position (pnp) relay
• Shift lock solenoid
• Start
• Starting interlock relay
• Starting/ charging system
• T32a
• T94
• Tiptronic switch
• Transmission control module (tcm) (at rear of transmission)

TRUNK, TAILGATE, FUEL DOOR

Trunk, Tailgate, Fuel Door Wiring Diagram, with Convertible for Audi A4 Quattro 2008

List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram, with Convertible for Audi A4 Quattro 2008:

• (below driver's seat) comfort system central control module
• (integrated in driver's door window regulator motor) driver's door control module
• Computer data lines system
• Fuel tank lid unlock motor
• G661
• Interior lights system
• Rear lid lock cylinder switch
• Rear lid remote control release switch
• Rear lid unlock motor
• Red
• Remote power fuel tank lid release info not available
• T10e
• T16i
• T32c

Trunk, Tailgate, Fuel Door Wiring Diagram, without Convertible for Audi A4 Quattro 2008

List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram, without Convertible for Audi A4 Quattro 2008:

• (below driver's seat) comfort system central control module
• (integrated in driver's door window regulator motor) driver side door control module
• Computer data lines system
• Fuel tank lid unlock motor
• G50 (left side of luggage compartment)
• Interior lights system
• Rear lid lock cylinder switch
• Rear lid unlock motor
• Rear lid/ fuel tank flap remote control release switch
• Red
• T10e
• T12h
• T16i
• T32c
• Trunk lid alarm switch

WARNING SYSTEMS

Brake Wear Sensor Wiring Diagram for Audi A4 Quattro 2008

List of elements for Brake Wear Sensor Wiring Diagram for Audi A4 Quattro 2008:

• 15a
• 86s
• Acc
• Fuse 10a
• Fuse holder
• G12 (left rear of engine compt) (w/ convertible)
• G26 (left side of engine compt) (w/o convertible)
• G33
• Hot at all times
• Ignition/ starter switch
• Instrument cluster
• Key switch
• Left front brake pad wear sensor
• Lock
• Nca
• Red
• Right front brake pad wear sensor
• Start
• T32
• T32a

WIPER/WASHER

Jet Heater Wiring Diagram for Audi A4 Quattro 2008

List of elements for Jet Heater Wiring Diagram for Audi A4 Quattro 2008:

• (w/ convertible) g49
• (w/o convertible) g33
• Fuse 5a
• Fuse holder
• Hot in acc or on
• Left washer nozzle heater
• Right washer nozzle heater

Wiper/Washer Wiring Diagram for Audi A4 Quattro 2008

List of elements for Wiper/Washer Wiring Diagram for Audi A4 Quattro 2008:

• (avant)
• (w/ convertible) (above left kick panel) g44
• (w/ convertible) g49
• (w/ convertible) g49 g33 (w/o convertible)
• (w/o convertible) g33
• 13a
• 15a
• 36a
• 37a
• Acc
• Computer data lines system
• Fuse 10a
• Fuse 150a
• Fuse 30a
• Fuse holder
• Fuse strip (main fuse)
• G12 (left rear of engine compt) (w/ convertible) g26 (left side of engine compt) (w/o convertible)
• G33
• G654
• Headlight washer pump
• Hot at all times
• Hot w/ load reduction relay energized
• Ignition/ starter switch
• Instrument cluster control module
• Instrument cluster system
• Lock
• Nca
• Power distribution system
• Rear windshield wiper motor (avant)
• Red
• Start
• Steering column electronic systems control module (on steering column, behind steering wheel)
• T10b
• T16a
• T23
• T32
• T32a
• T32b
• Vehicle electrical system control module (at left side of dash)
• W/ avant
• Windshield washer fluid level warning switch
• Windshield washer pump
• Windshield wiper motor
• Windshield wiper/washer switch