All Wiring Diagrams for Audi A4 Quattro 2005 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Audi A4 Quattro 2005

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Audi A4 Quattro 2005:

• (1.8l)
• (3.0l)
• 13a
• 25a
• 26a
• 4-pin relay carrier
• 44a
• A/c compressor regulator valve
• A/c control head
• Acc
• Computer data lines system
• Coolant fan fuse 42 40a (or 60a)
• Coolant fc (fan control) control module
• Defogger system
• Engine controls system
• Engine coolant temperature sensor
• Fresh air blower control module
• Fuse 10a
• Fuse 150a
• Fuse 30a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G12
• G26
• G33
• G44
• Hot at all times
• Hot in on or start
• Ignition/ starter switch
• Left vent temperature sensor
• Lock
• Motronic engine control module (ecm)
• Off
• Red
• Right vent temperature sensor
• Seats system
• Solar cells (w/o convertible)
• Start
• W/o convertible

Automatic A/C Wiring Diagram (2 of 2) for Audi A4 Quattro 2005

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Audi A4 Quattro 2005:

• Air conditioning controls
• Air flow flap motor/ position sensor
• Air quality sensor (if equipped)
• Airbag spiral spring/ return spring w/ slip ring
• Central air flap motor/ position sensor
• Computer data lines system
• Defroster flap motor/ position sensor
• Evaporator vent temperature sensor
• Except w/o convertible late production
• Fresh air intake duct temperature sensor
• G12
• G33 (w/o convertible)
• G49 (w/ convertible)
• G624
• Heated front window (w/o convertible)
• High pressure sensor
• 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
• Steering column electronic systems control module
• Steering wheel control unit
• Sunlight photo sensor
• T16a
• W/o convertible late production
• Windshield heating voltage converter (w/o convertible)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram, without Convertible Early Production, with Convertible for Audi A4 Quattro 2005

List of elements for Anti-lock Brakes Wiring Diagram, without Convertible Early Production, with Convertible for Audi A4 Quattro 2005:

• (except quattro)
• (quattro)
• (w/o
• 13a
• 14a
• 42a
• Abs control module (w/ edl)
• Abs control module fuse 1
• Abs return flow pump
• Acc
• Anti-slip control switch
• Anti-theft system
• Brake light switch
• Convertible)
• Data link connector (dlc)
• Except quattro
• Fuse 10a
• Fuse 25a
• Fuse 50a
• Fuse holder
• G33
• G33 (w/o convertible)
• G49 (w/ convertible)
• Hot at all times
• Hot in on or start
• Ignition/ starter switch start
• Instrument cluster
• Instrument cluster system
• 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
• Navigation control module
• Nca
• Off
• Parking brake warning light switch
• Quattro
• 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
• Rotation rate sender
• Steering angle sensor
• Steering angle sensor 1
• Steering column electronic systems control module
• T16a
• T26
• T32
• T32a
• Traction control high pressure switch valve 1
• Traction control high pressure switch valve 2
• Traction control pilot valve 1
• Traction control pilot valve 2

Anti-lock Brakes Wiring Diagram, without Convertible Late Production for Audi A4 Quattro 2005

List of elements for Anti-lock Brakes Wiring Diagram, without Convertible Late Production for Audi A4 Quattro 2005:

• (info not available)
• (or red)
• 13a
• 14a
• 42a
• Abs control module
• Abs control module fuse 1
• Abs return flow pump
• Acc
• Anti-slip control switch
• Brake light switch
• Computer data lines system
• Driving dynamic regulation high pressure switch valve 1
• Driving dynamic regulation high pressure switch valve 2
• Driving dynamic regulation switch valve 1
• Driving dynamic regulation switch valve 2
• Esp sensor unit
• Fuse 10a
• Fuse 25a
• Fuse 40a
• Fuse holder
• G26
• G33
• Hot at all times
• Hot in on or start
• Ignition/ starter switch start
• Instrument cluster
• Instrument cluster system
• 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
• Off
• 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
• Steering angle sensor
• Steering column electronic systems control module
• T16a
• T32
• T32a

ANTI-THEFT

Anti-theft Wiring Diagram, with Convertible for Audi A4 Quattro 2005

List of elements for Anti-theft Wiring Diagram, with Convertible for Audi A4 Quattro 2005:

• 24a
• Central locking/ anti-theft alarm system antenna
• Comfort system central control module
• Computer data lines system
• Exterior lights system
• Front hood switch
• Fuse 20a
• Fuse holder
• G12
• G33
• G49
• G661
• Hot at all times
• Instrument cluster
• Nca
• Parking brake warning light switch
• T32
• Trunk lid alarm switch
• Trunk lock alarm/central locking switch

Anti-theft Wiring Diagram, without Convertible for Audi A4 Quattro 2005

List of elements for Anti-theft Wiring Diagram, without Convertible for Audi A4 Quattro 2005:

• (early production)
• 24a
• 38a
• Alarm horn
• Antenna suppression filter
• Anti-lock brakes system
• Central locking/ anti-theft alarm system antenna
• Comfort system central control module
• Computer data lines system
• Defogger system
• Exterior lights system
• Front hood switch
• Fuse 15a
• Fuse 20a
• Fuse holder
• G12
• G33
• G44
• G50
• G53
• G78
• Hot at all times
• Instrument cluster
• Left rear broken window glass sensor
• Nca
• Parking brake warning light switch
• Rear window defogger (w/ radio)
• Right rear broken window glass sensor
• T12h
• T12i
• T16i
• T20g
• T32
• Trunk lid alarm switch (avant)
• Trunk lock alarm/central locking switch (early production avant) (early production sedan)

BODY CONTROL MODULES

Body Control Modules Wiring Diagram, with Convertible for Audi A4 Quattro 2005

List of elements for Body Control Modules Wiring Diagram, with Convertible for Audi A4 Quattro 2005:

• 24a
• 38a
• Anti-theft system
• Anti-theft, anti-lock brakes systems
• Comfort system central control module
• Computer data lines system
• Door locks system
• Exterior lights system
• Fuse 15a
• Fuse 20a
• Fuse holder
• G49
• Hot at all times
• Interior lights system
• Navigation system
• Nca
• Power tops system
• Sound systems

Body Control Modules Wiring Diagram, without Convertible for Audi A4 Quattro 2005

List of elements for Body Control Modules Wiring Diagram, without Convertible for Audi A4 Quattro 2005:

• 24a
• 38a
• Anti-theft system
• Anti-theft, anti-lock brakes systems
• 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

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Audi A4 Quattro 2005

List of elements for Data Link Connector Wiring Diagram for Audi A4 Quattro 2005:

• w/ conv early production
• (5-speed)
• (6-speed)
• (cvt)
• (w/ a/t) transmission control module
• (w/ conv) (w/o conv)
• (w/ convertible)
• (w/o convertible)
• 12a
• 31a
• A/c control head
• Abs control module
• Air bag control module
• Comfort system central control module
• Control module for navigation w/ cd-mechanism
• Data link connector
• Fuse 10a
• Fuse 15a
• Fuse holder
• G49 g33
• Headlight range control module (w/ convertible late production)
• High/low bus circuit
• Hot at all times
• Hot in on or start
• Instrument cluster
• Left entry assistance control module (w/ conv)
• Memory seat control module
• Motronic engine control module
• Radio
• Right entry assistance control module (w/ conv)
• T12n
• T16i
• T32a
• T32e
• T32g
• T32h
• T42
• T8e
• Telephone transceiver transceiver (w/o conv)
• Telephone/ telematic control module convertible top control module (w/ conv)
• Tire pressure monitoring control module
• W/ rns-e
• W/o conv late production
• W/o rns-e

High/Low Bus Wiring Diagram for Audi A4 Quattro 2005

List of elements for High/Low Bus Wiring Diagram for Audi A4 Quattro 2005:

• w/ convertible late production
• 6-speed a/t
• A/c control head
• Abs control module
• Air bag control module
• Comfort system central control module
• Control module for navigation w/ cd- mechanism
• Convertible top control module (w/ convertible)
• Cvt a/t
• Data link connector (w/o convertible late production)
• Driver side door control module
• Headlight range control module (w/o convertible late production)
• Instrument cluster
• Left entry assistance control module (w/ convertible)
• Left headlight assembly (w/o convertible late production)
• Left rear door control module (w/o convertible)
• Left rear window regulator motor (w/ convertible)
• Memory seat control module
• Motronic engine control module
• Navigation interface (w/o convertible)
• Parking aid control module
• Passenger side door control module
• Radio
• Right entry assistance control module (w/ convertible)
• Right headlight assembly (w/o convertible late production)
• Right rear door control module (w/o convertible)
• Right rear window regulator motor (w/ convertible)
• Satellite radio
• Speech input control module
• Steering column electronic systems control module
• T10e
• T10f
• T10g
• T10h
• T16a
• T16f
• T16i
• T16j
• T20d
• T20e
• T32
• T32a
• T32b
• T32e
• T32g
• T32h
• T42
• T8p
• Telephone transceiver
• Telephone/ telematic control module
• Tire pressure monitoring sensor
• Towing sensor control module
• Transmission control module
• Transmission control module (5-speed a/t)
• Vehicle electrical system control module
• Vehicle inclination sensor (w/o convertible)
• W/ convertible
• W/ convertible early production
• W/ rns-e
• W/o convertible
• W/o convertible early production
• W/o convertible late production
• W/o rns-e

COOLING FAN

Cooling Fan Wiring Diagram for Audi A4 Quattro 2005

List of elements for Cooling Fan Wiring Diagram for Audi A4 Quattro 2005:

• 1.8l
• 3.0l
• 4-pin relay carrier
• Coolant fan fuse 42 40a (or 60a)
• Coolant fc (fan control) control module
• Engine controls system
• Engine coolant temperature sensor
• Fuse 150a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G26
• Hot at all times
• Motronic engine control module (ecm)
• Red

CRUISE CONTROL

Cruise Control Wiring Diagram for Audi A4 Quattro 2005

List of elements for Cruise Control Wiring Diagram for Audi A4 Quattro 2005:

• (w/ convertible)
• (w/o convertible)
• 13a
• Acc
• Brake- light switch
• Clutch vacuum vent valve switch (m/t)
• Computer data lines system
• Cruise control switch
• Fuse 10a
• Fuse holder
• G33
• G49
• Hot at all times
• Hot in on or start
• Ignition/ starter switch
• Lock
• Motronic engine control module
• Nca
• Off
• Start
• Steering column electronic systems control module
• T16a
• Throttle position (tp) sensor & accelerator pedal position sensor 2
• Throttle valve control module

DEFOGGERS

Heated Mirrors Wiring Diagram for Audi A4 Quattro 2005

List of elements for Heated Mirrors Wiring Diagram for Audi A4 Quattro 2005:

• 22a
• A/c control head
• Computer data lines system
• Driver's side door control module
• Driver's side outside mirror
• Fuse 15a
• Fuse holder
• G43
• G44
• Hot at all times
• Passenger's side door control module
• Passenger's side outside mirror
• T10e
• T10f
• T16b
• T16c

Rear Defogger Wiring Diagram, with Convertible for Audi A4 Quattro 2005

List of elements for Rear Defogger Wiring Diagram, with Convertible for Audi A4 Quattro 2005:

• 26a
• A/c control head
• Convertible top control module
• Fuse 30a
• Fuse holder
• G662
• Heated rear window
• Hot at all times

Rear Defogger Wiring Diagram, without Convertible for Audi A4 Quattro 2005

List of elements for Rear Defogger Wiring Diagram, without Convertible for Audi A4 Quattro 2005:

• 26a
• A/c control head
• Anti-theft system
• Avant
• Except avant
• Fuse 30a
• Fuse holder
• G52
• G53
• G58
• G73
• Heated rear window
• Hot at all times
• Nca
• Rear window defogger w/ window antenna
• Sound systems
• Windshield antenna suppression filter
• Windshield antenna suppression filter (w/ radio)

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Audi A4 Quattro 2005

List of elements for Electronic Power Steering Wiring Diagram for Audi A4 Quattro 2005:

• Abs control module
• Acc
• Early production
• G44
• Hot at all times
• Ignition/ starter switch
• Instrument cluster
• Late production
• Lock
• Off
• Servotronic control module
• Servotronic solenoid valve
• Start
• T32a

ENGINE PERFORMANCE

1.8L

1.8L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2005

List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2005:

• Acc
• Accelerator pedal position (app) sensor
• Brake- light switch
• Clutch vacuum vent valve switch (m/t)
• Cooling fans system
• E-box relay carrier
• Fuse 10a
• Fuse 15a
• Fuse 40a
• Fuse holder
• G12
• Generator
• Heated oxygen sensor
• Hot at all times
• Hot in run or start
• Ignition switch
• Lock
• Mass airflow (maf) sensor
• Motronic engine control module
• Off
• Oxygen sensor behind twc
• Red
• Run
• Secondary air injection (air) pump relay
• Secondary air injection pump motor
• Start
• Steering column electronic systems control module
• T16a
• Transmission control module (w/ cvt)

1.8L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2005

List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2005:

• Charge air pressure sensor
• Engine coolant temperature (ect) sensor
• Engine speed (rpm) sensor
• Evaporative emission (evap) canister purge regulator valve
• Fuse 15a
• Fuse holder
• Hot at all times
• Knock sensor (ks) 1
• Knock sensor (ks) 2
• Leak detection pump (ldp)
• Map controlled engine cooling thermostat
• Nca
• Red
• Secondary air injection (air) solenoid valve
• Turbocharger recirculating valve
• Wastegate bypass regulator valve

1.8L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2005

List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2005:

• (a/t) brake booster pressure sensor
• (a/t) brake booster relay
• (mil)
• Brake system vacuum pump
• Camshaft adjustment valve 1
• Camshaft position sensor
• Coil
• Computer data lines system
• Data link connector
• E-box relay carrier
• Engine coolant temperature (ect) sensor
• Fuse 15a
• Fuse 20a
• Fuse holder
• G12
• G18
• Instrument cluster
• Intake air temperature sensor
• Malfunction indicator lamp
• Nca
• Red
• T32a/12
• T32a/13
• T32a/23
• To spark plug

1.8L, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Quattro 2005

List of elements for 1.8L, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Quattro 2005:

• (5-speed) w/o cvt
• 9-pin relay carrier
• E-box relay carrier
• Fuel injectors
• Fuel pump motor
• Fuel pump relay
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse holder
• G663
• Hot at all times
• Main fuse
• Motronic engine control module
• Red
• Relay plate
• Throttle valve control module
• Transmission control module
• W/ cvt

3.0L

3.0L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2005

List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2005:

• 14a
• Acc
• Brake- light switch
• Clutch vacuum vent valve switch (m/t)
• E-box relay carrier
• Fuse 10a
• Fuse 15a
• Fuse 40a
• Fuse holder
• G12
• Heated oxygen sensor
• Heated oxygen sensor 2
• Hot at all times
• Hot in on or start
• Ignition switch
• Lock
• Mass airflow (maf) sensor
• Motronic engine control module
• Off
• Oxygen sensor
• Oxygen sensor 2
• Red
• Secondary air injection (air) pump relay
• Secondary air injection pump motor
• Start
• Steering column electronic systems control module
• T16a
• Throttle position (tp) sensor
• Trans- mission control module (w/ cvt)

3.0L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2005

List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2005:

• After-run coolant pump
• Camshaft position sensor 2
• Camshaft position sensor 4
• Coolant circulation pump relay
• Engine coolant temperature (ect) sensor
• Engine speed (rpm) sensor
• Evaporative emission (evap) canister purge regulator valve
• Fuse 15a
• Fuse holder
• G12
• Hot at all times
• Intake manifold change-over valve
• Knock sensor (ks) 1
• Knock sensor (ks) 2
• Leak detection pump (ldp)
• Nca
• Red
• Secondary air injection (air) solenoid valve

3.0L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2005

List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2005:

• (a/t) brake booster pressure sensor
• (a/t) brake booster relay
• (mil)
• Brake system vacuum pump
• Camshaft adjustment valve 1
• Camshaft adjustment valve 2
• Camshaft position sensor
• Camshaft position sensor 3
• Coil
• Computer data lines system
• Data link connector
• E-box relay carrier
• Fuse 15a
• Fuse 20a
• Fuse holder
• G12
• G18
• Instrument cluster
• Malfunction indicator lamp
• Nca
• Red
• T32a/12
• T32a/13
• T32a/23
• To spark plug

3.0L, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Quattro 2005

List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Quattro 2005:

• (5 speed) w/o cvt
• 9-pin relay carrier
• Cooling fans system
• E-box relay carrier
• Fuel injectors
• Fuel pump motor
• Fuel pump relay
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse holder
• G663
• Hot at all times
• Main fuse
• Motronic engine control module
• Red
• Relay plate
• Throttle valve control module
• Transmission control module
• W/ cvt

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram, Avant Early Production (High Line) for Audi A4 Quattro 2005

List of elements for Back-up Lamps Wiring Diagram, Avant Early Production (High Line) for Audi A4 Quattro 2005:

• (5-speed) (6-speed)
• (6-speed) (5-speed)
• 31a
• A/t
• Back-up
• Back-up light switch
• Comfort system central control module
• Fuse 15a
• Fuse holder
• G50
• G78
• Hot in on or start
• Iii
• Left taillamp assembly
• M/t
• Multi- function transmission range (tr) switch
• Right taillamp assembly
• T23
• T32b
• Vehicle electrical system control module

Back-up Lamps Wiring Diagram, Avant Early Production (Low Line) for Audi A4 Quattro 2005

List of elements for Back-up Lamps Wiring Diagram, Avant Early Production (Low Line) for Audi A4 Quattro 2005:

• (5-speed) (6-speed)
• (6-speed) (5-speed)
• 31a
• A/t
• Back-up
• Back-up light switch
• Fuse 15a
• Fuse holder
• G50
• G78
• Hot in run or start
• Left taillamp assembly
• M/t
• Multi-function transmission range (tr) switch
• Right taillamp assembly

Back-up Lamps Wiring Diagram, Avant Late Production for Audi A4 Quattro 2005

List of elements for Back-up Lamps Wiring Diagram, Avant Late Production for Audi A4 Quattro 2005:

• (5-speed) (6-speed)
• (6-speed) (5-speed)
• 31a
• A/t
• Back-up
• Back-up light switch
• Comfort system central control module
• Fuse 15a
• Fuse holder
• G50
• G78
• Hot in on or start
• Left taillamp assembly
• M/t
• Multi- function transmission range (tr) switch
• Right taillamp assembly
• T12i
• T16i
• T23
• T32b
• Vehicle electrical system control module

Back-up Lamps Wiring Diagram, Convertible for Audi A4 Quattro 2005

List of elements for Back-up Lamps Wiring Diagram, Convertible for Audi A4 Quattro 2005:

• 31a
• Back-up
• Comfort system central control module
• Fuse 15a
• Fuse holder
• G662
• G663
• Hot in on or start
• Iii
• Left taillamp assembly
• Park/neutral position (pnp) relay
• Right taillamp assembly
• T23
• T32b
• Transmission control module (tcm)
• Vehicle electrical system control module

Back-up Lamps Wiring Diagram, Sedan for Audi A4 Quattro 2005

List of elements for Back-up Lamps Wiring Diagram, Sedan for Audi A4 Quattro 2005:

• (5-speed) (6-speed)
• (6-speed)
• (6-speed) (5-speed)
• (early production)
• (late production)
• (late production) (early production)
• (w/ cvt)
• 31a
• A/t w/ cvt
• A/t w/o cvt
• Back-up
• Back-up light switch
• Comfort system central control module
• Fuse 15a
• Fuse holder
• G50
• G78
• Hot in on or start
• Left taillamp assembly
• M/t
• Multi- function transmission range (tr) switch
• Park/neutral position (pnp) relay
• Right taillamp assembly
• T12i
• T16i
• T23
• T32b
• Transmission control module (tcm)
• Vehicle electrical system control module

Exterior Lamps Wiring Diagram, Avant Early Production (High Line) for Audi A4 Quattro 2005

List of elements for Exterior Lamps Wiring Diagram, Avant Early Production (High Line) for Audi A4 Quattro 2005:

• 13a
• 14a
• Acc
• Brake light switch
• Computer data lines system
• Emergency flasher switch
• Filament bulb
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G26
• G33
• G43
• G50
• G52
• G78
• Headlights system
• High- mount brake light
• Hot at all times
• Ignition/ starter switch
• Left headlight assembly
• Left side turn signal light
• Left taillamp assembly
• License plate lights
• Light switch
• Lock
• Nca
• Off
• Park
• Rear fog
• Red
• Right headlight assembly
• Right side turn signal light
• Right taillamp assembly
• Start
• Steering column electronic systems control module
• Stop
• T10b
• T16a
• T23
• T32b
• Tail
• Turn
• Turn signal switch
• Vehicle electrical system control module
• W/ 1 filament bulb
• W/ 2
• W/ high intensity headlights

Exterior Lamps Wiring Diagram, Avant Early Production (Low Line) for Audi A4 Quattro 2005

List of elements for Exterior Lamps Wiring Diagram, Avant Early Production (Low Line) for Audi A4 Quattro 2005:

• 13a
• 14a
• Acc
• Brake light switch
• Computer data lines system
• Emergency flasher switch
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G26
• G33
• G43
• G50
• G52
• G78
• Headlights system
• High- mount brake light
• Hot at all times
• Ignition/ starter switch
• Left headlight assembly
• Left side turn signal light
• Left taillamp assembly
• License plate lights
• Light switch
• Lock
• Nca
• Off
• Park
• Rear fog
• Red
• Right headlight assembly
• Right side turn signal light
• Right taillamp assembly
• Start
• Steering column electronic systems control module
• Stop
• T10b
• T16a
• T23
• T32b
• Tail
• Turn
• Turn signal switch
• Vehicle electrical system control module
• W/ high intensity headlights

Exterior Lamps Wiring Diagram, Avant Late Production for Audi A4 Quattro 2005

List of elements for Exterior Lamps Wiring Diagram, Avant Late Production for Audi A4 Quattro 2005:

• 13a
• 14a
• Acc
• Brake light switch
• Computer data lines system
• Emergency flasher switch
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G26
• G33
• G43
• G50
• G52
• G78
• High- mount brake light
• Hot at all times
• Ignition/ starter switch
• Left side turn signal light
• Left taillamp assembly
• Left turn/ stop assembly
• License plate lights
• Light switch
• Lock
• Nca
• Off
• Park
• Rear fog
• Red
• Right headlight assembly
• Right side turn signal light
• Right taillamp assembly
• Right turn/stop assembly
• Start
• Steering column electronic systems control module
• Stop
• Stop stop
• T10b
• T16a
• T23
• T32b
• Tail
• Turn
• Turn signal switch
• Vehicle electrical system control module

Exterior Lamps Wiring Diagram, Convertible for Audi A4 Quattro 2005

List of elements for Exterior Lamps Wiring Diagram, Convertible for Audi A4 Quattro 2005:

• 13a
• 14a
• Acc
• Brake light switch
• Computer data lines system
• Emergency flasher switch
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G12
• G33
• G43
• G44
• G49
• G661
• G662
• G663
• Headlight assembly
• High- mount brake light
• Hot at all times
• Ignition/ starter switch
• Left headlight assembly
• Left side turn signal light
• Left taillamp assembly
• License plate lights
• Light switch
• Lock
• Nca
• Off
• Park
• Rear fog
• Red
• Right
• Right side turn signal light
• Right taillamp assembly
• Start
• Steering column electronic systems control module
• Stop
• T10b
• T16a
• T23
• T32b
• Tail
• Turn
• Turn signal switch
• Vehicle electrical system control module

Exterior Lamps Wiring Diagram, Sedan Early Production, Convertible Early Production for Audi A4 Quattro 2005

List of elements for Exterior Lamps Wiring Diagram, Sedan Early Production, Convertible Early Production for Audi A4 Quattro 2005:

• 13a
• 14a
• Acc
• Brake light switch
• Computer data lines system
• Emergency flasher switch
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G26
• G33
• G43
• G50
• G78
• Headlight assembly
• Headlights system
• High- mount brake light
• Hot at all times
• Ignition/ starter switch
• Left headlight assembly
• Left side turn signal light
• Left taillamp assembly
• License plate lights
• Light switch
• Lock
• Nca
• Off
• Park
• Rear fog
• Red
• Right
• Right side turn signal light
• Right taillamp assembly
• Start
• Steering column electronic systems control module
• Stop
• T10b
• T16a
• T23
• T32b
• Tail
• Turn
• Turn signal switch
• Vehicle electrical system control module
• W/ high intensity headlights
• W/ light sensor

Exterior Lamps Wiring Diagram, Sedan Late Production, Convertible Late Production for Audi A4 Quattro 2005

List of elements for Exterior Lamps Wiring Diagram, Sedan Late Production, Convertible Late Production for Audi A4 Quattro 2005:

• 13a
• 14a
• Acc
• Brake light switch
• Computer data lines system
• Emergency flasher switch
• Fuse 10a
• Fuse 150a
• Fuse holder
• Fuse strip (main fuse)
• G26
• G33
• G43
• G50
• G78
• Headlights system
• High- mount brake light
• Hot at all times
• Ignition/ starter switch
• Left headlight assembly
• Left rear fog lamp
• Left side turn signal light
• Left taillamp assembly
• License plate lights
• Light switch
• Lock
• Nca
• Off
• Park
• Red
• Right headlight assembly
• Right rear fog lamp
• Right side turn signal light
• Right taillamp assembly
• Start
• Steering column electronic systems control module
• Stop
• T10b
• T16a
• T23
• T32b
• Tail
• Turn
• Turn signal switch
• Vehicle electrical system control module
• W/ high intensity headlights
• W/ light sensor

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram, with Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Ground Distribution Wiring Diagram, with Convertible (1 of 2) for Audi A4 Quattro 2005:

• (3.0l)
• Battery
• Convertible top control module
• Coolant fc (fan control) control module & coolant fc (fan control) control module 2 (4.2l)
• Driver's backrest heating element & driver's seat heating element
• G11
• G18
• G26
• G32
• G43
• G44
• G49
• G661
• Headlight washer pump & driver side door control module
• High mount brake light, license plate light, rear lid unlock motor, rear lid lock cylinder switch, trunk lid alarm switch & trunk lock alarm/ central locking switch, convertible top hydraulic pump relay & relay 2
• 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 (3.0l) & ignition coil 6 w/ power output stage (3.0l)
• Left instrument panel vent illumination, center instrument panel vent illumination, right instrument panel vent illumination, storage compartment illumination, cup holder illumination, coin holder illumination, tiptronic switch, clutch pedal position switch (m/t), shift lock
• Passenger side door control module
• Right headlight assembly & right side turn signal light
• Servotronic control module, 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
• Solenoid (01j a/t), headlight range control module& rear center ashtray light
• Vehicle electrical system control module, light switch, data link connector (dlc), steering column electronic systems control modulem & 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, with Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Ground Distribution Wiring Diagram, with Convertible (2 of 2) for Audi A4 Quattro 2005:

• Airbag control module, driver's side side airbag crash sensor, passenger side side airbag crash sensor, drivers front airbag crash sensor, passengers front airbag crash sensor & left & right safety belt switch
• Driver's seat adjustment switch, left entry assistance control module, driver's seat lumber support adjustment switch & memory seat control module
• Driver's side side airbag igniter & passenger side side airbag igniter
• Front passenger's seat heating element & front passenger's backrest heating element
• G12
• G33
• G610
• G637
• G662
• G663
• Heated rear window
• Instrument panel, 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 & a/c control head
• Left front fog light, right front fog light, high tone horn, low tone horn & garage door opener control module
• Left headlight assembly, left front turn signal light & left front brake pad wear sensor
• Motronic engine control module (ecm), after-run coolant pump (3.0l), brake system vacuum pump (a/t), 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 (3.0l), ignition coil 6 w/ power output stage (3.0l), oil level thermal sensor, transmission control module (tcm), multi-function transmission range switch (ag5 a/t) & a/c compressor regulator valve
• 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 stop 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 top lock switches, convertible top open position, convertible top closed position switch & right convertible top lock switch
• Radio
• Radio (w/bose), telephone transceiver, telephone amplifier, control module for navigation w/ cd-mechanism, amplifier & amplifier shields (w/bose),
• Right rear window regulator motor
• Right taillight assembly, fuel tank lock switch, socket, fuel pump & alarm horn
• Satellite radio
• Secondary air injection (air) pump motor, abs control module (w/ edl), high pressure sensor & front hood switch
• Tire pressure monitoring control module, left taillight assembly, trunk lock alarm/central locking switch, left rear window regulator motor & left front safety belt microswitch
• Transmission control module

Ground Distribution Wiring Diagram, without Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Ground Distribution Wiring Diagram, without Convertible (1 of 2) for Audi A4 Quattro 2005:

• 3.0l
• 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 (early production), anti-slip control switch, rear window shade switch, a/c control head (early production), fresh air blower control module, shift lock solenoid, headlight range control module, clutch vacuum vent valve switch (m/t), center armrest illumination, climate control module (late production), tire pressure monitoring control module, esp sensor unit (late production), clutch pedal starter interlock switch & headlight adjuster
• Coolant fc (fan control) control module, coolant fc (fan control) control module 2 (4.2l) & abs control module (w/ edl)
• Driver's backrest heating element & driver's seat side bolster heater sensor
• G11
• G18 (1.8l & 3.0l)
• G19 (4.2l)
• G26
• G32
• G33
• G43
• G44
• G52 (avant)
• G53
• G58 (avant)
• G624
• G653
• G654
• Headlight washer pump (early production) & driver side door control module
• Headlight washer pump (late production), left headlight assembly, left side turn signal light, left front brake pad wear sensor & left dynamic cornering light motor
• 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 (3.0l) & ignition coil 6 w/ power output stage (3.0l)
• 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, ignition coil 7 w/ power output stage & ignition coil 8 w/ power output stage
• Left front fog light, right front fog light, high tone horn, low tone horn & garage door opener control module
• Load reduction relay (late production), horn relay (late production), rear window defogger relay (late production), panel vent illumination, comfort system central control module, servotronic control module & rear/center central locking switch
• Luggage compartment light (late production), high mount brake light (avant), license plate light (avant), rear lid lock cylinder unlocking switch, rear lid unlock motor, trunk lid alarm switch & trunk lock alarm/ central locking switch (early production)
• Passenger side door control module
• Rain/light recognition sensor (late production), radar interior monitoring control module 1, garage door opener control head, telematic control head, automatic day/ night interior mirror, luggage compartment light (early production), solar cells, front interior light assembly, left make-up mirror light switch, right make-up mirror light switch & power sunroof control module
• Rear windshield wiper motor & rear window defogger (w/ window antenna)
• Right headlight assembly, right side turn signal light, right dynamic cornering light motor & low tone horn (late production)
• Vehicle electrical system control module, light switch, emergency flasher switch, cigarette lighter, instrument panel, steering column electronic systems control module, parking brake warning light switch (early production) & data link connector (dlc)
• Windshield antenna suppression filter
• Windshield antenna suppression filter (sedan)
• 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, without Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Ground Distribution Wiring Diagram, without Convertible (2 of 2) for Audi A4 Quattro 2005:

• 4.2l
• Amplifier shields
• Driver's power seat switch, driver's seat lumbar support adjustment switch (early production), memory seat control module & driver's side side air bag igniter
• Driver's side side air bag crash sensor, passenger's side side air bag crash sensor, driver's side rear side air bag crash sensor, passenger's side rear side air bag crash sensor, driver's front air bag crash sensor, passenger's front air bag crash sensor, air bag control module, left/ right seat belt switches, front passenger's air bag igniter 2, front passenger's air bag igniter 1, driver's side side air bag igniter, passenger side side air bag igniter, driver's side rear side air bag igniter, passenger side rear side air bag igniter & front passenger's side air bag igniter
• Front passenger seat lumbar support adjustment switch (early production) & passenger power seat switch
• Front passenger's head curtain air bag igniter (sedan), front passenger seat lumbar support adjustment switch (late production), right taillight assembly, left rear heated seat temperature sensor, left rear backrest heating element, right rear heated seat control module, right rear heated seat temperature sensor, right rear backrest heating element, socket, fuel pump, alarm horn, right rear central locking lock unit, right rear door warning light, right rear door opener lighting & right rear entry light (late production)
• G12
• G50
• G610
• G637
• G77
• G78
• Inside microphone shield
• Late production
• Left rear door control module
• Left rear fog lamp (sedan), right rear fog lamp (sedan), rear lid unlock motor (avant), trunk lid alarm switch (avant), trunk lock alarm/central locking switch (except avant), rear lid lock cylinder switch (avant) & license plate light (avant)
• Left taillight assembly, rear window shade control module & high-mount brake light (avant)
• Motronic engine control module (ecm) (1.8l & 3.0l), after-run coolant pump (3.0l), brake system vacuum pump (a/t), 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 (3.0l), ignition coil 6 w/ power output stage (3.0l), speedometer vehicle speed sensor, oil level thermal sensor, transmission control module (tcm) (1.8l & 3.0l), multi-function transmission range (tr) switch (5-spd a/t) & a/c compressor regulator valve
• Motronic engine control module (ecm), 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, ignition coil 7 w/ power output stage, ignition coil 8 w/ power output stage & transmission control module (tcm) (1.8l)
• Passenger's seat side bolster heater & passenger's backrest heating element
• Radio & control module for navigation w/ cd-mechanism
• Right rear door control module
• Right rear door opener lighting (early production), left rear entry light, left rear door warning light, left rear door opener lighting, left rear central locking lock unit, driver's head curtain airbag igniter (sedan), driver's seat lumbar support adjustment switch (late production), right rear entry light (early production) & left front safety belt microswitch (late production)
• Satellite radio shield
• Seat occupied recognition control module & right safety belt switch
• Secondary air injection (air) pump motor, high pressure sensor & front hood switch
• Telephone control module for operating electronics, control module for navigation w/ cd-mechanism (w/ bose speaker), radio (w/ bose), amplifier, telephone amplifier, telephone transceiver, cd changer unit & satellite radio
• Telephone/ telematic control module

HEADLIGHTS

Headlamps & Fog Lamps Wiring Diagram, with Convertible with High Intensity Gas Discharge Headlights for Audi A4 Quattro 2005

List of elements for Headlamps & Fog Lamps Wiring Diagram, with Convertible with High Intensity Gas Discharge Headlights for Audi A4 Quattro 2005:

• (w/ light sensor)
• 10a
• 56a
• 56b
• Acc
• Anti-lock brakes system
• Battery
• Computer data lines system
• Fog light switch
• Fuse 150a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G12
• G43
• G49
• G50
• Headlight range control module
• Headlight switch
• High intensity gas discharge lamp
• Hot at all times
• Hot in run or start
• Ignition switch
• Instrument cluster system
• Interior lights system
• Left front fog light
• Left front level control system sensor
• Left headlight assembly
• Left headlight beam adjusting motor
• Left high beam head- light
• Left rear fog light
• Left rear level control system sensor
• Light switch
• Lock
• Nca
• Off
• Red
• Right front fog light
• Right headlight assembly
• Right headlight beam adjusting motor
• Right high beam head- light
• Right rear fog light
• Run
• Start
• Starting/ charging system
• Steering column electronic systems control module
• T16a
• T23
• T32b
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, with Convertible with Standard Headlights for Audi A4 Quattro 2005

List of elements for Headlamps & Fog Lamps Wiring Diagram, with Convertible with Standard Headlights for Audi A4 Quattro 2005:

• 56a
• 56b
• Acc
• Battery
• Computer data lines system
• Fog light switch
• Fuse 150a
• Fuse strip (main fuse)
• G12
• G43
• G49
• G50
• Headlight switch
• Hot at all times
• Ignition switch
• Interior lights system
• Left front fog light
• Left headlight assembly
• Left rear fog light
• Light switch
• Lock
• Nca
• Off
• Red
• Right front fog light
• Right headlight assembly
• Right rear fog light
• Run
• Start
• Steering column electronic systems control module
• T16a
• T23
• T32b
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, without Convertible with Bi-Xenon & Cornering Headlights Wiring Diagram for Audi A4 Quattro 2005

List of elements for Headlamps & Fog Lamps Wiring Diagram, without Convertible with Bi-Xenon & Cornering Headlights Wiring Diagram for Audi A4 Quattro 2005:

• (w/ light sensor)
• 10a
• 18a
• 56a
• 56b
• Battery
• Computer data lines system
• Day time running light
• Dynamic cornering light motor
• Early production
• Fog light switch
• Fuse 150a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G12
• G26
• G33
• G43
• G50
• Headlight range control module
• Headlight switch
• High intensity gas discharge lamp
• High/ low beam switch- over solenoid
• Hot in run or start
• Instrument cluster system
• Interior lights system
• Late production
• Left front fog light
• Left front level control system sensor
• Left headlight assembly
• Left rear fog light
• Left rear level control system sensor
• Light switch
• Nca
• Red
• Right front fog light
• Right headlight assembly
• Right rear fog light
• Steering column electronic systems control module
• T16a
• T23
• T32b
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, without Convertible with Bi-Xenon Headlights Wiring Diagram for Audi A4 Quattro 2005

List of elements for Headlamps & Fog Lamps Wiring Diagram, without Convertible with Bi-Xenon Headlights Wiring Diagram for Audi A4 Quattro 2005:

• (w/ light sensor)
• 10a
• 56a
• 56b
• Battery
• Computer data lines system
• Day time running light
• Early production
• Fog light switch
• Fuse 150a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G12
• G26
• G33
• G43
• G50
• Headlight beam adjusting motor
• Headlight range control module
• Headlight switch
• High intensity gas discharge lamp
• High/ low beam switch- over solenoid
• Hot in run or start
• Instrument cluster system
• Interior lights system
• Late production
• Left front fog light
• Left front level control system sensor
• Left headlight assembly
• Left rear fog light
• Left rear level control system sensor
• Light switch
• Nca
• Red
• Right front fog light
• Right headlight assembly
• Right rear fog light
• Steering column electronic systems control module
• T16a
• T23
• T32b
• Tfl
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights High Option Content for Audi A4 Quattro 2005

List of elements for Headlamps & Fog Lamps Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights High Option Content for Audi A4 Quattro 2005:

• (w/ light sensor)
• 10a
• 56a
• 56b
• Acc
• Anti-lock brakes system
• Battery
• Computer data lines system
• Early production
• Exterior lights system
• Fog light switch
• Fuse 150a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G26
• G33
• G43
• G50
• Headlight range control module
• Headlight switch
• High intensity gas discharge lamp
• Hot at all times
• Hot in run or start
• Ignition switch
• Instrument cluster system
• Interior lights system
• Late production
• Left front fog light
• Left front level control system sensor
• Left headlight assembly
• Left headlight beam adjusting motor
• Left high beam head- light
• Left rear fog light
• Left rear level control system sensor
• Light switch
• Lock
• Nca
• Off
• Red
• Right front fog light
• Right headlight assembly
• Right headlight beam adjusting motor
• Right high beam head- light
• Right rear fog light
• Run
• Start
• Starting/ charging system
• Steering column electronic systems control module
• T16a
• T23
• T32b
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights Low Option Content for Audi A4 Quattro 2005

List of elements for Headlamps & Fog Lamps Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights Low Option Content for Audi A4 Quattro 2005:

• (w/ light sensor)
• 10a
• 20a
• 21a
• 56a
• 56b
• Acc
• Anti-lock brakes system
• Battery
• Computer data lines system
• Early production
• Exterior lights system
• Fog light switch
• Fuse 150a
• Fuse 15a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G26
• G33
• G43
• G50
• Headlight range control module
• Headlight switch
• High intensity gas discharge lamp
• Hot at all times
• Hot in run or start
• Ignition switch
• Instrument cluster system
• Interior lights system
• Late production
• Left front fog light
• Left front level control system sensor
• Left headlight assembly
• Left headlight beam adjusting motor
• Left high beam head- light
• Left rear fog light
• Left rear level control system sensor
• Light switch
• Lock
• Nca
• Off
• Red
• Right front fog light
• Right headlight assembly
• Right headlight beam adjusting motor
• Right high beam head- light
• Right rear fog light
• Run
• Start
• Starting/ charging system
• Steering column electronic systems control module
• T16a
• T23
• T32b
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, without Convertible with Standard Headlights for Audi A4 Quattro 2005

List of elements for Headlamps & Fog Lamps Wiring Diagram, without Convertible with Standard Headlights for Audi A4 Quattro 2005:

• 56a
• 56b
• Acc
• Battery
• Computer data lines system
• Early production
• Exterior lights system
• Fog light switch
• Fuse 150a
• Fuse strip (main fuse)
• G26
• G33
• G43
• G50
• Headlight switch
• Hot at all times
• Ignition switch
• Interior lights system
• Late production
• Left front fog light
• Left headlight assembly
• Left rear fog light
• Light switch
• Lock
• Nca
• Off
• Red
• Right front fog light
• Right headlight assembly
• Right rear fog light
• Run
• Start
• Steering column electronic systems control module
• T16a
• T23
• T32b
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module
• W/ light sensor

HORN

Horn Wiring Diagram, with Convertible for Audi A4 Quattro 2005

List of elements for Horn Wiring Diagram, with Convertible for Audi A4 Quattro 2005:

• 40a
• Computer data lines system
• Fuse 25a
• Fuse holder
• G12
• High tone horn
• Horn relay
• Horn switch
• Hot at all times
• Low tone horn
• Nca
• Steering column electronic systems control module
• T16a
• T32b
• Vehicle electrical system control module

Horn Wiring Diagram, without Convertible for Audi A4 Quattro 2005

List of elements for Horn Wiring Diagram, without Convertible for Audi A4 Quattro 2005:

• 40a
• Computer data lines system
• Fuse 25a
• Fuse holder
• G26
• G43
• G49
• High tone horn
• Horn relay
• Horn switch
• Hot at all times
• Low tone horn
• Nca
• Steering column electronic systems control module
• T16a
• T32b
• Vehicle electrical system control module

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram, with Convertible for Audi A4 Quattro 2005

List of elements for Instrument Cluster Wiring Diagram, with Convertible for Audi A4 Quattro 2005:

• 15a
• Abs control module
• Acc
• Air bag control module
• Air bag mil
• Ambient temperature switch
• Anti-lock brakes system
• Anti-theft immobilizer reading coil
• Board computer function selector switch ii
• Brake fluid level warning switch
• Computer data lines system
• Ect gauge
• Engine coolant level (ecl) warning switch
• Engine coolant temperature (ect) sensor
• Fuel gauge
• Fuel gauge sender
• Fuel level sensor 2 (quattro only)
• Fuel tank lock switch (if equipped)
• Fuse 10a
• Fuse holder
• G12
• G33
• G49
• G662
• G663
• Gen warn ind
• Headlight range control module
• Hot at all times
• Hot in run or start
• Ignition/ starter switch
• Instrument cluster
• Interior lights system
• Key switch
• Left front safety belt microswitch
• Lock
• Motronic engine control module
• Off
• Oil level thermal sensor
• Oil pressure switch
• Radio frequency controlled clock receiver (if equipped)
• Red
• Run
• Speedo- meter
• Start
• Starting/charging system
• Steering column electronic systems control module
• T16a
• T32
• T32a
• T4m
• Tacho- meter
• Tiptronic switch
• Warning system
• Windshield washer fluid level warning switch

Instrument Cluster Wiring Diagram, without Convertible for Audi A4 Quattro 2005

List of elements for Instrument Cluster Wiring Diagram, without Convertible for Audi A4 Quattro 2005:

• (late production)
• 15a
• Abs control module
• Acc
• Air bag control module
• Air bag mil
• Ambient temperature switch
• Anti-lock brakes system
• Anti-theft immobilizer reading coil
• Anti-theft system
• Board computer function selector switch ii
• Brake fluid level warning switch
• Computer data lines system
• Ect gauge
• Engine coolant level (ecl) warning switch
• Engine coolant temperature (ect) sensor
• Fuel gauge
• Fuel gauge sender
• Fuel level sensor 2 (quattro only)
• Fuse 10a
• Fuse holder
• G12
• G33
• G43
• G77
• Gen warn ind
• Headlight range control module
• Hot at all times
• Hot in run or start
• Ignition/ starter switch
• Instrument cluster
• Interior lights system
• Key switch
• Left front seat belt micro switch
• Lock
• Motronic engine control module
• Off
• Oil level thermal sensor
• Oil pressure switch
• Radio frequency controlled clock receiver (if equipped)
• Red
• Run
• Servotronic control module
• Speedo- meter
• Start
• Starting/charging system
• Steering column electronic systems control module
• T16a
• T18
• T32
• T32a
• T4m
• Tacho- meter
• Telephone control module for operating electronics
• Tiptronic switch
• Warning system
• Windshield washer fluid level warning switch

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi A4 Quattro 2005

List of elements for Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi A4 Quattro 2005:

• (not used)
• Automatic day/night mirror
• Comfort system central control module
• Computer data lines system
• Early
• Early production
• Front interior light assembly
• Fuse 5a
• Fuse holder
• G33
• G44
• G49
• Glove compartment light
• Glove compartment light switch
• Hot at all times
• Instrument illumination circuit
• Late
• Left footwell light
• Left make-up mirror light
• Left make-up mirror light switch
• Left rear footwell light
• Luggage compartment light
• Passenger side air bag off ind
• Production
• 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
• T32b
• Vehicle electrical system control module

Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi A4 Quattro 2005

List of elements for Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi A4 Quattro 2005:

• Comfort system central control module
• Computer data lines system
• Driver door control module
• Driver side central locking unit (door contact switch)
• Driver side door warning light
• G77
• G78
• Left front entry light
• Left rear central locking unit (door contact switch)
• Left rear door control module
• Left rear door warning light
• Left rear entry light
• Passenger compartment monitoring switch
• Passenger side central locking unit (door contact switch)
• Passenger side door control module
• Passenger side door warning light
• Power windows, mirrors, door locks systems & instrument illumination circuit
• Right front entry light
• Right rear central locking unit (door contact switch)
• Right rear door control module
• 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 2005

List of elements for Courtesy Lamps Wiring Diagram, Convertible for Audi A4 Quattro 2005:

• Automatic day/night mirror
• Comfort system central control module
• Computer data lines system
• Door
• Driver door control module
• Driver side central locking unit (door contact switch)
• Driver side door warning light
• Front interior light assembly
• Fuse 5a
• Fuse holder
• G33
• G44
• G49
• Glove compartment light
• Glove compartment light switch
• Hot at all times
• Instrument illumination circuit
• Left footwell light
• Left front entry light
• Left luggage compartment light
• Left make-up mirror light
• Left make-up mirror light switch
• Left rear footwell light
• Off
• Passenger compartment monitoring switch
• Passenger door control module
• Passenger side air bag off ind
• Passenger side central locking unit (door contact switch)
• Passenger side door warning light
• Power windows, mirrors, door locks systems & instrument illumination circuit
• 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
• T1e
• T32c
• T32d

Courtesy Lamps Wiring Diagram, Sedan, Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Courtesy Lamps Wiring Diagram, Sedan, Convertible (1 of 2) for Audi A4 Quattro 2005:

• Automatic day/night mirror
• Comfort system central control module
• Computer data lines system
• Early production
• Front interior light assembly
• Fuse 5a
• Fuse holder
• G33
• G44
• G49
• Glove compartment light
• Glove compartment light switch
• Hot at all times
• Instrument illumination circuit
• Left footwell light
• Left luggage compartment light
• Left make-up mirror light
• Left make-up mirror light switch
• Left rear footwell light
• Passenger side air bag off ind
• Rear crtsy
• Rear reading/ courtesy light
• Right footwell light
• Right luggage compartment light
• Right make-up mirror light
• Right make-up mirror light switch
• Right rear footwell light
• T12h
• T16h
• T16i
• T32b
• Vehicle electrical system control module

Courtesy Lamps Wiring Diagram, Sedan, Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Courtesy Lamps Wiring Diagram, Sedan, Convertible (2 of 2) for Audi A4 Quattro 2005:

• control module
• Comfort system central control module
• Computer data lines system
• Driver door control module
• Driver side central locking unit (door contact switch)
• Driver side door warning light
• G77
• G78
• Left front entry light
• Left rear central locking unit (door contact switch)
• Left rear door control module
• Left rear door warning light
• Left rear entry light
• Passenger compartment monitoring switch
• Passenger side central locking unit (door contact switch)
• Passenger side door
• Passenger side door warning light
• Power windows, mirrors, door locks systems & instrument illumination circuit
• Right front entry light
• Right rear central locking unit (door contact switch)
• Right rear door control module
• 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, with Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Instrument Illumination Wiring Diagram, with Convertible (1 of 2) for Audi A4 Quattro 2005:

• Anti-slip control switch
• Ashtray light
• Battery
• Board computer function selector switch ii
• Center instrument panel vent illumination
• Cigarette lighter
• Coin holder illumination
• Comfort system central control module
• Computer data lines system
• Convertible top operation switch
• Cup holder illumination
• Front interior light assembly
• Fuse 150a
• Fuse strip (main fuse)
• G33
• G43
• G44
• G49
• G663
• Garage door opener control head
• Instrument cluster
• Instrument cluster system
• Left instrument panel vent illumination
• Light switch
• Nca
• Rear center ashtray light
• Red
• Right instrument panel vent illumination
• Steering column electronic systems control module
• Storage compartment illumination
• T16a
• T32
• T32a
• T32b
• Vehicle electrical system control module

Instrument Illumination Wiring Diagram, with Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Instrument Illumination Wiring Diagram, with Convertible (2 of 2) for Audi A4 Quattro 2005:

• Computer data lines system
• Driver door window regulator switches
• Driver side door control module
• Driver side door opener lighting
• Driver side interior lock switch
• Driver's seat memory program switch
• Mirror adjustment switch
• Passenger compartment monitoring switch
• Passenger door control module
• Passenger door window regulator switch
• Passenger side door opener lighting
• Passenger side interior lock switch
• Power windows, mirrors, door locks systems & courtesy lamps circuit
• T10e
• T10f
• T32c
• T32d
• Trunk lid release switch

Instrument Illumination Wiring Diagram, without Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Instrument Illumination Wiring Diagram, without Convertible (1 of 2) for Audi A4 Quattro 2005:

• Anti-slip control switch
• Ashtray light
• Battery
• Board computer function selector switch ii
• Center armrest illumination
• Center instrument panel vent illumination
• Cigarette lighter
• Coin holder illumination
• Comfort system central control module
• Computer data lines system
• Cup holder illumination
• Front interior light assembly
• Fuse 150a
• Fuse strip (main fuse)
• G33
• G44
• G77
• G78
• Garage door opener control head
• Instrument cluster
• Instrument cluster system
• Left instrument panel vent illumination
• Left rear door opener lighting
• Left rear heated seat control module
• Light switch
• Luggage compartment light (avant)
• Nca
• Radio connector
• Rear center ashtray light
• Rear window shade switch
• Red
• Right instrument panel vent illumination
• Right rear door opener lighting
• Right rear heated seat control module
• Steering column electronic systems control module
• Storage compartment illumination
• T16a
• T16i
• T32
• T32a
• T32b
• Vehicle electrical system control module

Instrument Illumination Wiring Diagram, without Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Instrument Illumination Wiring Diagram, without Convertible (2 of 2) for Audi A4 Quattro 2005:

• Computer data lines system
• Driver door window regulator switches
• Driver side door control module
• Driver side door opener lighting
• Driver side interior lock switch
• Driver's seat memory program switch
• Mirror adjustment switch
• Passenger compartment monitoring switch
• Passenger door control module
• Passenger door window regulator switch
• Passenger side door opener lighting
• Passenger side interior lock switch
• Power windows, mirrors, door locks systems & courtesy lamps circuit
• Rear lid release switch
• T10e
• T10f
• T32c
• T32d

MEMORY SYSTEMS

Memory Systems Wiring Diagram, with Convertible (1 of 4) for Audi A4 Quattro 2005

List of elements for Memory Systems Wiring Diagram, with Convertible (1 of 4) for Audi A4 Quattro 2005:

• 4-pin relay carrier
• Backrest adjust
• Computer data lines system
• Driver's power seat switch
• Driver's seat headrest adjustment latch 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
• Driver's seat lumbar support height adjustment motor
• Driver's seat seatback adjustment motor/sensor assembly
• Fore/aft adjust
• G662
• Headrest adjust
• Hot at all times
• Memory seat control module
• Power seat fuse 45 30a
• Seat height adjust
• Slope adjust
• T10v
• T12g
• T32e
• T6n

Memory Systems Wiring Diagram, with Convertible (2 of 4) for Audi A4 Quattro 2005

List of elements for Memory Systems Wiring Diagram, with Convertible (2 of 4) for Audi A4 Quattro 2005:

• Computer data lines system
• Driver's seat fore/aft adjustment motor/sensor assembly
• Driver's seat headrest adjustment motor/sensor assembly
• Driver's seat seatback latch switch
• G662
• Left entry assistance control module
• Passenger's seat fore/aft adjustment motor/sensor assembly
• Passenger's seat headrest adjustment motor/sensor assembly
• Rear window shade switch (rear)
• Red
• T12h
• T32g

Memory Systems Wiring Diagram, with Convertible (3 of 4) for Audi A4 Quattro 2005

List of elements for Memory Systems Wiring Diagram, with Convertible (3 of 4) for Audi A4 Quattro 2005:

• 4-pin relay carrier
• Backrest adjust
• Computer data lines system
• Fore/aft adjust
• G663
• Headrest adjust
• Hot at all times
• Passenger's entry assistance switch
• Passenger's power seat switch
• Passenger's seat headrest adjustment latch 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
• Passenger's seat lumbar support height adjustment motor
• Passenger's seat seatback adjustment motor
• Passenger's seat seatback latch switch
• Power seat fuse 46 30a
• Red
• Right entry assistance control module
• Seat height adjust
• T10w
• T12i
• T32h
• T6o
• Tilt adjust

Memory Systems Wiring Diagram, with Convertible (4 of 4) for Audi A4 Quattro 2005

List of elements for Memory Systems Wiring Diagram, with Convertible (4 of 4) for Audi A4 Quattro 2005:

• 22a
• 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
• G44
• 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

Memory Systems Wiring Diagram, without Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Memory Systems Wiring Diagram, without Convertible (1 of 2) for Audi A4 Quattro 2005:

• 4-pin relay carrier
• Computer data lines system
• 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
• Driver's seat lumbar support height adjustment motor
• Driver's seat seatback adjustment motor/switch assembly
• G77
• Hot at all times
• Memory seat control module
• Power seat fuse 30a
• Red
• T12g
• T32e

Memory Systems Wiring Diagram, without Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Memory Systems Wiring Diagram, without Convertible (2 of 2) for Audi A4 Quattro 2005:

• 22a
• 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
• G44
• 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, without RNS-E for Audi A4 Quattro 2005

List of elements for Navigation Wiring Diagram, without RNS-E for Audi A4 Quattro 2005:

• 15a
• Board computer function selector switch ii
• Computer data lines system
• Control module for navigation w/ cd-mechanism
• Exterior lights system
• Fuse 10a
• Fuse holder
• G610
• Gps antenna
• Hot at all times
• Hot in on or start
• Instrument cluster
• Instrument cluster system
• Interior lights system
• Nca
• Radio
• T10i
• T20d
• T20e
• T32
• T32a
• T42
• T8e
• Telephone transceiver
• Telephone/telematic control module
• W/ convertible
• W/o convertible

POWER DISTRIBUTION

Power Distribution Wiring Diagram, with Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Power Distribution Wiring Diagram, with Convertible (1 of 2) for Audi A4 Quattro 2005:

• 10a
• 16a
• 17a
• 22a
• 243a
• 30a
• 31a
• 33a
• 36a
• 37a
• 38a
• 4.2l
• 50b
• 86s
• 9-pin relay carrier
• A/c control head
• Abs control module (w/ edl)
• Abs control module fuse 1
• Acc
• Air quality sensor & high pressure sensor
• Airbag control module
• Back-up light switch, automatic day/night interior mirror, data link connector (dlc), shift lock solenoid, multi-function transmission range (tr) switch, transmission control module & park/neutral position relay
• Battery
• Brake booster relay
• Brake light switch, clutch vacuum vent valve switch, abs control module (w/ edl) & anti-slip control switch
• Cigarette lighter
• Conver- tible top fuse 40a
• Convertible top control module
• Convertible top operation hydraulic unit
• Driver side door control module
• E-box relay carrier
• Fuel pump (fp) relay
• Fuse 10a
• Fuse 150a
• Fuse 15a
• Fuse 25a
• Fuse 30a
• Fuse 40a
• Fuse 50a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G11
• G33
• Garage door opener control head & garage door opener control module
• Generator
• Headlight adjuster & headlight range control module
• Ignition/starter switch
• Instrument cluster
• Instrument cluster & steering column electronic systems control module
• Light switch
• Load reduction relay
• Lock
• Motronic engine control module (ecm)
• Nca
• Off
• Oil level thermal sensor, board computer function selector switch ii, tiptronic switch & control module for navigation w/ cd-mechanism
• On off
• Passenger side door control module
• Radar interior monitoring control module 1 & 2, alarm horn & comfort system central control module
• Red
• Red b
• Secondary air injection (air) pump relay
• Servotronic control module
• Start
• Starter
• Starter, starter locking relay (clutch pedal switch), starter interlock alarm system relay & park/neutral position relay
• Steering column electronic systems control module
• T10b
• T32b
• Telephone amplifier
• Telephone transceiver
• Tire pressure monitoring control module
• To 4-pin relay carrier (diagram 2 of 2)
• To fuse holder (diagram 2 of 2)
• Transmission control module (tcm)
• Vehicle electrical system control module
• Washer nozzle heater (left/right)

Power Distribution Wiring Diagram, with Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Power Distribution Wiring Diagram, with Convertible (2 of 2) for Audi A4 Quattro 2005:

• (except 600w) (600w)
• 12a
• 13a
• 14a
• 15a
• 24a
• 25a
• 26a
• 35a
• 39a
• 4-pin relay carrier
• 40a
• 42a
• 44a
• A/c control head
• Abs control module
• Brake light switch
• Comfort system central control module
• Control module for navigation w/ cd mechanism & instrument cluster
• Coolant fan fuse 40a 60a
• Coolant fc (fan control) module (4.2l)
• Coolant fc (fan control) module (except 4.2l)
• Data link connector (dlc)
• Driver side door control module & passenger side door control module
• Driver's seat lumbar support adjustment switch, memory seat 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)
• Fuel pump relay
• Fuse 10a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 5a
• Fuse holder
• G663
• Horn relay
• Left/right footwell light & left/right rear footwell light
• Left/right rear power window motors
• Passenger's power seat switch, front passenger seat lumbar support adjustment switch & right entry assistance control module
• Power seat fuse 30a
• Power window fuse 2 30a
• Power window fuse 30a
• Radiator after run fuse 40a
• Radio, amplifier & satellite radio
• Red
• Socket
• Steering column electronic systems control module

Power Distribution Wiring Diagram, without Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Power Distribution Wiring Diagram, without Convertible (1 of 2) for Audi A4 Quattro 2005:

• (diagram 2 of 2)
• (w/ rear heated seat) windshield heating voltage converter
• 10a
• 11a
• 16a
• 18a
• 22a
• 243a
• 30a
• 31a
• 33a
• 36a
• 37a
• 38a
• 50b
• 86s
• 9-pin relay carrier (behind left side of dash)
• A/c control head & climate control module
• A/c control head & climatronic control module
• Abs control module (w/edl)
• Abs control module fuse 1
• Acc
• Air quality sensor & high pressure sensor
• Airbag control module
• Back-up light switch, data link connector (dlc), shift lock solenoid, multi-function transmission range (tr) switch, transmission control module, park/neutral position relay, automatic day/ night interior mirror & (late production) mass air flow sensor
• Battery
• Brake booster relay
• Brake light switch, clutch vacuum vent valve switch, abs control module (w/ edl), anti-slip control switch, esp-sensor & brake pedal switch
• Cigarette lighter
• Driver side door control module
• Driver side door control module & front passenger side door control module
• E-box relay carrier (left rear of engine compt)
• Fuel pump (fp) relay
• Fuse 10a
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse 25a 30a
• Fuse 30a
• Fuse 40a
• Fuse 40a 50a
• Fuse 5a
• Fuse holder (left end of dash)
• Fuse strip (main fuse)
• G11
• G33 (behind right side of dash)
• G41
• 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, head lamp range/corning lamp control module & right headlight power output stage
• Ignition/starter switch
• Instrument cluster
• Instrument cluster & steering column electronic systems control module
• Late production early production
• Left headlamp power output stage
• Light switch
• Load reduction relay
• Lock
• Motronic engine control module (ecm)
• Motronic engine control module (ecm) & wastegate bypass regulator valve (1.8l)
• Multi-function transmission range (tr) switch & transmission control module
• Navigation w/ cd-mechanism control module
• Nca
• Off
• Oil level thermal sensor, telephone/telematic control module, board computer function selector switch ii, tiptronic switch, rear window shade switch, telephone control module for operating electronics, control module for navigation w/ cd-mechanism, left rear heated seat control module, oil pressure switch & right rear heated seat control module
• On off
• Passenger's side airbag off warning light
• Radar interior monitoring control module, alarm horn & comfort system central control module
• Rear shade circuit breaker 10a
• Rear window shade control module
• Rear windshield wiper motor
• Red
• Red b
• Seat occupied recognition pressure sensor & front passenger's airbag disabled indicator lamp air bag control module
• Secondary air injection (air) pump relay
• Servotronic control module
• Start
• Starter
• Starter, starter interlock relay, clutch pedal switch, starter interlock alarm system relay, starter lock/clutch pedal switch relay & park/neutral position relay
• Steering column electronic systems control module
• Sunroof motor
• T10b
• T10b t10b
• T32b
• Telephone amplifier
• Telephone/ telematic control module, telephone control module for operating electronics & telephone transceiver
• To 4-pin relay carrier (diagram 2 of 2)
• To fuse holder (diagram 2 of 2)
• To fuse holder j
• Transmission control module (tcm)
• Vehicle electrical system control module
• Washer nozzle heater (left/right)

Power Distribution Wiring Diagram, without Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Power Distribution Wiring Diagram, without Convertible (2 of 2) for Audi A4 Quattro 2005:

• 12a
• 12v socket
• 13a
• 14a
• 15a
• 17a
• 23a
• 24a
• 25a
• 26a
• 34a
• 35a
• 39a
• 4-pin relay carrier
• 40a
• 42a
• 44a
• A/c control head & climatronic control module
• A/c control head & rear window defogger relay
• Abs control module
• Brake light switch & brake pedal switch
• Comfort system central control module
• Control module for navigation w/ cd mechanism & instrument cluster
• Coolant fan (fc) control module 2 (except 4.2l: late production)
• Coolant fan fuse 40a
• Coolant fc (fan control) module (4.2l: late production)
• Coolant fc (fan control) module (except 4.2l: late production) coolant fc (fan control) module 2 (4.2l: late production)
• Data link connector (dlc)
• Driver side door control module & passenger side door control module
• Driver's power seat switch, driver's seat lumbar support adjustment switch, memory seat control module, driver's seat tilt adjustment switch, driver's seat height adjustment switch & front passenger seat lumbar support 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)
• Fuel pump (fp) relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 20a 30a
• Fuse 25a
• Fuse 30a
• Fuse 5a
• Fuse holder
• G78
• Horn relay
• Late production early production
• 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 & a/c control head
• Left/right footwell light, left rear footwell light & right rear footwell light
• Passenger's power seat switch & front passenger seat lumbar support adjustment switch
• Power seat fuse 30a
• Power window fuse 2 30a
• Power window fuse 30a
• Radiator after-run fuse (4.2l) 40a
• Radio amplifier & satellite radio
• Red
• Right rear door control module
• Socket
• Steering column electronic systems control module
• Tire pressure monitoring control

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, with Convertible for Audi A4 Quattro 2005

List of elements for Power Door Locks Wiring Diagram, with Convertible for Audi A4 Quattro 2005:

• 22a
• 24a
• 38a
• 9-pin 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
• Driver side interior lock switch
• Driver's side door control module
• Fuel tank lid unlock motor
• Fuse 15a
• Fuse 20a
• Fuse holder
• G43
• G44
• G49
• G661
• Glove box lock motor
• Hot at all times
• Mirrors system, interior lights system, power windows system, memory system
• Mirrors, power windows, interior lights systems
• Nca
• Passenger compartment monitoring switch
• Passenger side central locking lock unit
• Passenger's side door control module
• Power window fuse 37 30a
• Rear lid lock cylinder unlocking switch
• Rear lid unlock motor
• Red
• T10e
• T10f
• T12
• T12a
• T32c
• Trunk, tailgate, fuel doors system

Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (1 of 2) for Audi A4 Quattro 2005

List of elements for Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (1 of 2) for Audi A4 Quattro 2005:

• 22a
• 24a
• 38a
• 9-pin relay carrier
• Central locking warning light (safe)
• Central locking/ anti-theft alarm system antenna
• Comfort system central control module
• Computer data lines system
• Driver side central locking lock unit
• Driver side door control module
• Driver side interior lock switch
• Early production
• Fuel tank lid unlock motor
• Fuse 15a
• Fuse 20a
• Fuse holder
• G44
• G50
• Hot at all times
• Interior lights system
• Late production
• Mirrors, power windows, interior lights systems
• Nca
• Passenger compartment monitoring switch
• Power window fuse 37 30a
• Rear lid lock cylinder unlocking switch (avant)
• Rear lid unlock motor & alarm switch (avant)
• Rear/center central locking switch (if equipped)
• Red
• T10e
• T12
• T12h
• T16i
• T20g
• T32c
• T42
• Telephone/telematic control module
• Trunk, tailgate fuel doors system

Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (2 of 2) for Audi A4 Quattro 2005

List of elements for Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (2 of 2) for Audi A4 Quattro 2005:

• (if equipped) passenger side interior lock switch
• 23a
• 9-pin relay carrier
• Fuse 15a
• Fuse holder
• G43
• G77
• G78
• Hot at all times
• Left rear central locking lock unit
• Left rear door control module
• Mirrors, power windows, interior lights systems
• Passenger side central locking lock unit
• Passenger side door control module
• Power window fuse 2 30a
• Right rear central locking lock unit
• Right rear door control module
• T10f
• T10g
• T10h
• T12a
• T12b
• T12c
• T32d

Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (1 of 2) for Audi A4 Quattro 2005

List of elements for Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (1 of 2) for Audi A4 Quattro 2005:

• 22a
• 24a
• 38a
• 9-pin relay carrier
• Central locking warning light (safe)
• Central locking/ anti-theft alarm system antenna
• Comfort system central control module
• Computer data lines system
• Driver side central locking lock unit
• Driver side door control module
• Driver side interior lock switch
• Early production
• Fuel tank lid unlock motor
• Fuse 15a
• Fuse 20a
• Fuse holder
• G44
• G50
• Hot at all times
• Interior lights system
• Late production
• Mirrors, power windows, interior lights systems
• Nca
• Passenger compartment monitoring switch
• Power window fuse 37 30a
• Rear lid lock cylinder unlocking switch (avant)
• Rear lid unlock motor & alarm switch (avant)
• Rear/center central locking switch (if equipped)
• Red
• T10e
• T12
• T12h
• T16i
• T20g
• T32c
• T42
• Telephone/telematic control module
• Trunk, tailgate fuel doors system

Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (2 of 2) for Audi A4 Quattro 2005

List of elements for Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (2 of 2) for Audi A4 Quattro 2005:

• (if equipped) passenger side interior lock switch
• Comfort system central control module
• G43
• G77
• G78
• Left rear central locking lock unit
• Mirrors, power windows, interior lights systems
• Passenger side central locking lock unit
• Passenger side door control module
• Right rear central locking lock unit
• T10f
• T12a
• T16h
• T20g
• T32d

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram, with Convertible for Audi A4 Quattro 2005

List of elements for Automatic Day/Night Mirror Wiring Diagram, with Convertible for Audi A4 Quattro 2005:

• Automatic day/night interior mirror
• Driver side door control module
• Front interior light
• G44
• G49
• Light recognition sensor
• Light switch
• Passenger side door control module
• T10e
• T10f
• T1e
• T32b
• Vehicle electrical system control module

Automatic Day/Night Mirror Wiring Diagram, without Convertible for Audi A4 Quattro 2005

List of elements for Automatic Day/Night Mirror Wiring Diagram, without Convertible for Audi A4 Quattro 2005:

• Automatic day/night interior mirror
• Driver side door control module
• Front interior light
• G33
• G44
• Light recognition sensor
• Light switch
• Passenger side door control module
• T10e
• T10f
• T32b
• Vehicle electrical system control module

Power Mirror Wiring Diagram for Audi A4 Quattro 2005

List of elements for Power Mirror Wiring Diagram for Audi A4 Quattro 2005:

• 22a
• De- fog
• Defogger system
• Door locks, interior lights systems
• Driver side mirror
• Driver's side door control module
• Front passenger's side door control module
• Fuse 15a
• Fuse holder
• G43
• G44
• 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, with Convertible for Audi A4 Quattro 2005

List of elements for Front Seat Heater Wiring Diagram, with Convertible for Audi A4 Quattro 2005:

• 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
• Fuse 30a
• Fuse holder
• G44
• G663
• Heated seat temp sensor
• Heated steering wheel (if equipped)
• Hot at all times
• Nca
• Passenger's backrest heating element
• Passenger's seat heater
• Seat heater
• Side bolster heater
• Steering column electronic systems control module (if equipped)
• Steering wheel control unit
• T16a

Front Seat Heater Wiring Diagram, without Convertible for Audi A4 Quattro 2005

List of elements for Front Seat Heater Wiring Diagram, without Convertible for Audi A4 Quattro 2005:

• 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
• Fuse 30a
• Fuse holder
• G44
• G78
• Heated seat temp sensor
• Heated steering wheel (if equipped)
• Hot at all times
• Nca
• Passenger's backrest heating element
• Passenger's seat heater
• Seat heater
• Side bolster heater
• Steering column electronic systems control module (if equipped)
• Steering wheel control unit
• T16a

Lumbar Wiring Diagram for Audi A4 Quattro 2005

List of elements for Lumbar Wiring Diagram for Audi A4 Quattro 2005:

• 4-pin relay carrier
• Driver seat lumbar support adjustment switch
• Driver seat lumbar support curvature adjusting motor
• Driver seat lumbar support height adjusting motor
• G77
• G78
• 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
• Power seat fuse 45 10a

Power Seat Wiring Diagram, with Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Power Seat Wiring Diagram, with Convertible (1 of 2) for Audi A4 Quattro 2005:

• 4-pin relay carrier
• Backrest adjust
• Computer data lines system
• Driver's entry assistance button
• Driver's power seat switch
• Driver's seat fore/aft motor/ sensor
• Driver's seat headrest latch
• Driver's seat headrest motor/ sensor
• Driver's seat height motor
• Driver's seat inclination motor
• Driver's seat seatback latch
• Driver's seat seatback motor
• Fore/aft adjust
• G662
• Headrest adjust
• Height adjust
• Hot at all times
• Inclination adjust
• Left entry assistance control module
• Power seat fuse 45 30a
• Red
• T10v
• T12h
• T32g
• T6n

Power Seat Wiring Diagram, with Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Power Seat Wiring Diagram, with Convertible (2 of 2) for Audi A4 Quattro 2005:

• 4-pin relay carrier
• Backrest adjust
• Computer data lines system
• Fore/aft adjust
• G663
• Headrest adjust
• Height adjust
• Hot at all times
• Inclination adjust
• Passenger's entry assistance button
• Passenger's power seat switch
• Passenger's seat fore/aft motor/ sensor
• Passenger's seat headrest latch
• Passenger's seat headrest motor/ sensor
• Passenger's seat height motor
• Passenger's seat inclination motor
• Passenger's seat seatback latch
• Passenger's seat seatback motor
• Power seat fuse 46 30a
• Red
• Right entry assistance control module
• T10w
• T12i
• T32h
• T6o

Power Seat Wiring Diagram, without Convertible for Audi A4 Quattro 2005

List of elements for Power Seat Wiring Diagram, without Convertible for Audi A4 Quattro 2005:

• 4-pin relay carrier
• 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
• G77
• G78
• Hot at all times
• Passenger's power seat switch
• Passenger's seat fore/aft adjustment motor
• Passenger's seat height adjustment motor
• Passenger's seat inclination adjustment motor
• Passenger's seat seatback adjustment motor
• Power seat fuse 45 30a
• Power seat fuse 46 30a

Rear Seat Heater Wiring Diagram for Audi A4 Quattro 2005

List of elements for Rear Seat Heater Wiring Diagram for Audi A4 Quattro 2005:

• 44a
• Fuse 10a
• Fuse 30a
• Fuse holder
• G78
• Heated seat temp sensor
• Hot at all times
• Hot in run or start
• Interior lights system
• Left rear backrest heating element
• Left rear heated seat control module
• Left rear seat heater
• Nca
• Right rear backrest heating element
• Right rear heated seat control module
• Right rear seat heater
• Seat heater
• Seat occupied sensor

POWER TOP/SUNROOF

Convertible Top Wiring Diagram (1 of 2) for Audi A4 Quattro 2005

List of elements for Convertible Top Wiring Diagram (1 of 2) for Audi A4 Quattro 2005:

• 30a
• Computer data lines system
• Convertible top compartment cover locking motor
• Convertible top compartment latch switch
• Convertible top control module
• Convertible top frame position sensor
• Convertible top lock switch (closed)
• Convertible top lock switch (open)
• Convertible top locking motor
• Convertible top operation switch
• Defogger system
• Fuse 30a
• Fuse holder
• G661
• G663
• Hot at all times
• Interior lights system
• Nca

Convertible Top Wiring Diagram (2 of 2) for Audi A4 Quattro 2005

List of elements for Convertible Top Wiring Diagram (2 of 2) for Audi A4 Quattro 2005:

• 3-pin relay carrier
• Comfort system central control module
• Compartment cover open position switch
• Convertible top closed position switch
• Convertible top compartment enclosure position switch
• Convertible top front lock switch
• Convertible top fuse 40a
• Convertible top hydraulic pump
• Convertible top hydraulic pump relay
• Convertible top hydraulic pump relay 2
• Convertible top open position switch
• Convertible top operation hydraulic unit
• Convertible top right lock switch
• G661
• G663
• Hot at all times
• Left convertible top cover compartment cover switch
• Nca
• Power convertible top valve 1
• Power convertible top valve 2
• Power convertible top valve 3
• Right compartment cover locked switch 1

Sunroof Wiring Diagram for Audi A4 Quattro 2005

List of elements for Sunroof Wiring Diagram for Audi A4 Quattro 2005:

• 30a
• Abs control module
• Comfort system central control module
• Early production late production
• Front interior light
• Fuse 20a
• Fuse holder
• G44
• Hot at all times
• Instrument cluster system
• Nca
• Power sunroof control module
• Power windows system
• Sunroof switch
• T12h
• T12i

POWER WINDOWS

Power Windows Wiring Diagram, with Convertible for Audi A4 Quattro 2005

List of elements for Power Windows Wiring Diagram, with Convertible for Audi A4 Quattro 2005:

• 22a
• 4-pin relay carrier
• Comfort system central control module
• Computer data lines system
• Door locks, mirrors & interior lights systems
• Driver's side door control module
• Front passenger's side door control module
• Fuse 15a
• Fuse holder
• G43
• G44
• G662
• G663
• Hot at all times
• Interior lights systems
• Interior lights, mirrors & 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
• Power window fuse 2 30a
• Power window fuse 37 30a
• Right front window regulator switch
• Right rear window regulator motor
• Right rear window regulator switch
• Right window motor
• T10e
• T10f
• T32c
• T32d
• Window regulator central switch

Power Windows Wiring Diagram, without Convertible for Audi A4 Quattro 2005

List of elements for Power Windows Wiring Diagram, without Convertible for Audi A4 Quattro 2005:

• 22a
• 23a
• 4-pin relay carrier
• Comfort system central control module
• Computer data lines system
• Door locks, mirrors & interior lights systems
• Driver's side door control module
• Front passenger's side door control module
• Fuse 15a
• Fuse holder
• G43
• G44
• G77
• G78
• Hot at all times
• Interior lights system
• Interior lights systems
• Interior lights, mirrors & door locks systems
• Left front window regulator switch
• Left rear door control module
• 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
• Power window fuse 2 30a
• Power window fuse 37 30a
• Rear window safety regulator switch
• Right front window regulator switch
• Right rear door control module
• 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

Rear Window Sun Shade Wiring Diagram, without Convertible for Audi A4 Quattro 2005

List of elements for Rear Window Sun Shade Wiring Diagram, without Convertible for Audi A4 Quattro 2005:

• 9-pin relay carrier
• Fuse 10a
• Fuse holder
• G50
• Hot at all times
• Hot in on or start
• Interior lights system
• Nca
• Rear shade circuit breaker 10a
• Rear window shade control module
• Rear window shade motor
• Rear window shade switch

RADIO

Bose Symphony Concert Wiring Diagram, without Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2005

List of elements for Bose Symphony Concert Wiring Diagram, without Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2005:

• 39a
• Cd changer unit
• Comfort system central control module
• Computer data lines system
• Fuse 20a
• Fuse holder
• G43
• G610
• Hot at all times
• Inside loudspeaker (center speaker)
• Left front bass speaker
• Left front midrange speaker
• Left rear bass speaker
• Left rear midrange speaker
• Nca
• Pnk
• Radio
• Right front bass speaker
• Right front midrange speaker
• Right rear bass speaker
• Right rear midrange speaker
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• T10i
• T20d
• T20g
• T42
• T8a
• T8o
• T8p
• Telephone/ telematic control module
• W/ satellite radio
• W/o satellite radio

Bose Symphony Concert Wiring Diagram, without Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2005

List of elements for Bose Symphony Concert Wiring Diagram, without Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2005:

• (sedan) antenna section control module
• Air bag spiral spring/ return spring w/ slip ring
• Amplifier
• Avant
• Bass loudspeaker
• Cluster
• Comfort system central control module
• Computer data lines system
• G610
• Instrument
• Left antenna module (avant)
• Left rear bass speaker
• Left rear midrange speaker
• Left rear side window antenna
• Nca
• Radio controls
• Rear window defogger w/ window antenna
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window antenna
• Sedan
• Steering column electronic systems control module (if equipped)
• Steering wheel control unit
• T16a
• T16j
• T32
• T32a

Bose Symphony Concert Wiring Diagram, without Convertible with Bose (1 of 2) for Audi A4 Quattro 2005

List of elements for Bose Symphony Concert Wiring Diagram, without Convertible with Bose (1 of 2) for Audi A4 Quattro 2005:

• 39a
• Cd changer unit
• Comfort system central control module
• Computer data lines system
• Fuse 20a
• Fuse holder
• G43
• G610
• Hot at all times
• Inside loudspeaker (center speaker)
• Left front bass speaker
• Left front midrange speaker
• Left rear bass speaker
• Left rear midrange speaker
• Nca
• Pnk
• Radio
• Right front bass speaker
• Right front midrange speaker
• Right rear bass speaker
• Right rear midrange speaker
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• T10i
• T20d
• T20g
• T42
• T8a
• T8o
• T8p
• Telephone/ telematic control module
• W/ satellite radio
• W/o satellite radio

Bose Symphony Concert Wiring Diagram, without Convertible with Bose (2 of 2) for Audi A4 Quattro 2005

List of elements for Bose Symphony Concert Wiring Diagram, without Convertible with Bose (2 of 2) for Audi A4 Quattro 2005:

• (sedan) antenna section control module
• Air bag spiral spring/ return spring w/ slip ring
• Amplifier
• Avant
• Bass loudspeaker
• Cluster
• Comfort system central control module
• Computer data lines system
• G610
• Inside loudspeaker
• Inside microphone
• Instrument
• Left antenna module (avant)
• Left front bass speaker
• Left front midrange speaker
• Left rear side window antenna
• Nca
• Radio controls
• Rear window defogger w/ 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 (if equipped)
• Steering wheel control unit
• T16a
• T16j
• T32
• T32a

Bose Symphony Concert Wiring Diagram, without Convertilbe without Amplifier for Audi A4 Quattro 2005

List of elements for Bose Symphony Concert Wiring Diagram, without Convertilbe without Amplifier for Audi A4 Quattro 2005:

• (pins 3 to 8 not used)
• 39a
• Air bag spiral spring/ return spring w/ slip ring
• Antenna
• Avant
• Cd changer unit
• Comfort system central control module
• Computer data lines system
• Fuse 20a
• Fuse holder
• G610
• Hot at all times
• Instrument cluster
• Left antenna module
• Left front bass speaker
• Left front midrange speaker
• Left rear bass speaker
• Left rear midrange speaker
• Nca
• Pnk
• Radio
• Radio controls
• Rear window defogger w/ window antenna
• Right front bass speaker
• Right front midrange speaker
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window antenna
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• Sedan
• Steering column electronic systems control module (if equipped)
• Steering wheel control unit
• T16a
• T20d
• T20g
• T32
• T32a
• T8a
• T8o
• T8p
• W/ satellite radio
• W/o satellite radio

Bose Symphony II Wiring Diagram, with Convertible with Bose for Audi A4 Quattro 2005

List of elements for Bose Symphony II Wiring Diagram, with Convertible with Bose for Audi A4 Quattro 2005:

• 39a
• Airbag spiral spring/ return spring w/ slip ring
• Amplifier
• Cd changer unit
• Comfort system central control module
• Computer data lines system
• Control module for navigation w/ cd-mechanism
• Fuse 20a
• Fuse holder
• G610
• Hot at all times
• Inside loud speaker (center speaker)
• Instrument cluster
• Left antenna module
• Left front bass speaker
• Left front dsp midrange speaker
• Left front treble speaker
• Left rear speaker
• Nca
• Pnk
• Radio
• Radio controls
• Red
• Right antenna module
• Right front bass speaker
• Right front dsp midrange speaker
• Right front treble speaker
• Right rear speaker
• Steering column electronic systems control module
• Steering wheel control unit
• T10i
• T16a
• T20d
• T20e
• T32
• T32a
• Telephone preparation wiring (if equipped)

Bose Symphony II Wiring Diagram, without Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2005

List of elements for Bose Symphony II Wiring Diagram, without Convertible with Amplifier (1 of 2) for Audi A4 Quattro 2005:

• 39a
• Cd changer unit
• Comfort system central control module
• Computer data lines system
• Fuse 20a
• Fuse holder
• G43
• G610
• Hot at all times
• Inside loudspeaker
• Left front bass speaker
• Left front midrange speaker
• Nca
• Pnk
• Radio
• Right front bass speaker
• Right front midrange speaker
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• T10i
• T20d
• T20g
• T42
• T8a
• T8o
• T8p
• Telephone/ telematic control module
• W/ satellite radio
• W/o satellite radio

Bose Symphony II Wiring Diagram, without Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2005

List of elements for Bose Symphony II Wiring Diagram, without Convertible with Amplifier (2 of 2) for Audi A4 Quattro 2005:

• (sedan) antenna section control module
• Air bag spiral spring/ return spring w/ slip ring
• Amplifier
• Avant
• Bass loudspeaker
• Cluster
• Comfort system central control module
• Computer data lines system
• G610
• Instrument
• Left antenna module (avant)
• Left rear bass speaker
• Left rear midrange speaker
• Left rear side window antenna
• Nca
• Radio controls
• Rear window defogger w/ window antenna
• Right antenna module (avant)
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window antenna
• Sedan
• Steering column electronic systems control module (if equipped)
• Steering wheel control unit
• T16a
• T16j
• T32
• T32a

Bose Symphony II Wiring Diagram, without Convertible with Bose (1 of 2) for Audi A4 Quattro 2005

List of elements for Bose Symphony II Wiring Diagram, without Convertible with Bose (1 of 2) for Audi A4 Quattro 2005:

• 39a
• Cd changer unit
• Comfort system central control module
• Computer data lines system
• Fuse 20a
• Fuse holder
• G43
• G610
• Hot at all times
• Left rear bass speaker
• Left rear midrange speaker
• Nca
• Pnk
• Radio
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• T10i
• T20d
• T20g
• T42
• T8o
• T8p
• Telephone/ telematic control module
• W/ satellite radio
• W/o satellite radio

Bose Symphony II Wiring Diagram, without Convertible with Bose (2 of 2) for Audi A4 Quattro 2005

List of elements for Bose Symphony II Wiring Diagram, without Convertible with Bose (2 of 2) for Audi A4 Quattro 2005:

• (sedan) antenna section control module
• Air bag spiral spring/ return spring w/ slip ring
• Amplifier
• Avant
• Bass loudspeaker
• Cluster
• Comfort system central control module
• Computer data lines system
• G610
• Inside loudspeaker
• Inside microphone
• Instrument
• Left antenna module (avant)
• Left front bass speaker
• Left front midrange speaker
• Left rear side window antenna
• Nca
• Radio controls
• Rear window defogger w/ window antenna
• Right antenna module (avant)
• 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 (if equipped)
• Steering wheel control unit
• T16a
• T16j
• T32
• T32a

Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Amplifier (1 of 2) for Audi A4 Quattro 2005

List of elements for Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Amplifier (1 of 2) for Audi A4 Quattro 2005:

• 39a
• Cd changer unit
• Comfort system central control module
• Control module for navigation w/ cd mechanism
• Fuse 20a
• Fuse holder
• G43
• G610
• Gps
• Hot at all times
• Inside loudspeaker
• Left front bass speaker
• Left front midrange speaker
• Nca
• Right front bass speaker
• Right front midrange speaker
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• T12m
• T12n
• T16j
• T20g
• T8o
• T8p
• T8q
• W/ satellite radio
• W/o satellite radio

Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Amplifier (2 of 2) for Audi A4 Quattro 2005

List of elements for Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Amplifier (2 of 2) for Audi A4 Quattro 2005:

• (sedan) antenna section control module
• (w/ voice control) telephone transceiver
• Air bag spiral spring/ return spring w/ slip ring
• Amplifier
• Avant
• Bass loudspeaker
• Cluster
• Comfort system central control module
• Computer data lines system
• G610
• Gps antenna splitter
• Instrument
• Left antenna module (avant)
• Left rear bass speaker
• Left rear midrange speaker
• Left rear side window antenna
• Navigation system antenna
• Nca
• Radio controls
• Rear window defogger w/ window antenna
• Right antenna module (avant)
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window antenna
• Sedan
• Steering column electronic systems control module (if equipped)
• Steering wheel control unit
• T16a
• T16j
• T32
• T32a
• Telephone microphone

Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Bose (1 of 2) for Audi A4 Quattro 2005

List of elements for Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Bose (1 of 2) for Audi A4 Quattro 2005:

• (w/ voice control) telephone transceiver
• 39a
• Cd changer unit
• Comfort system central control module
• Control module for navigation w/ cd mechanism
• Fuse 20a
• Fuse holder
• G43
• G610
• Gps
• Hot at all times
• Inside loudspeaker
• Left front bass speaker
• Left front midrange speaker
• Left rear bass speaker
• Left rear midrange speaker
• Nca
• Right front bass speaker
• Right front midrange speaker
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• T12m
• T12n
• T16j
• T20g
• T8o
• T8p
• T8q
• Telephone microphone
• W/ satellite radio
• W/o satellite radio

Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Bose (2 of 2) for Audi A4 Quattro 2005

List of elements for Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Bose (2 of 2) for Audi A4 Quattro 2005:

• (sedan) antenna section control module
• Air bag spiral spring/ return spring w/ slip ring
• Amplifier
• Avant
• Bass loudspeaker
• Cluster
• Comfort system central control module
• Computer data lines system
• G610
• Gps antenna splitter
• Inside loudspeaker
• Inside microphone
• Instrument
• Left antenna module (anant)
• Left front bass speaker
• Left front midrange speaker
• Left rear side window antenna
• Navigation system antenna
• Nca
• Radio controls
• Rear window defogger w/ window antenna
• Right antenna module (anant)
• 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 (if equipped)
• Steering wheel control unit
• T16a
• T16j
• T32
• T32a

Symphony II Wiring Diagram, with Convertible with Amplifier (Late Production) for Audi A4 Quattro 2005

List of elements for Symphony II Wiring Diagram, with Convertible with Amplifier (Late Production) for Audi A4 Quattro 2005:

• (pins 3 to 8 not used)
• (pins 8 to 11 not used)
• 39a
• Airbag spiral spring/ return spring w/ slip ring
• Amplifier
• Cd changer unit
• Comfort system central control module (w/ alarm system)
• Computer data lines system
• Fuse 20a
• Fuse holder
• G310 g610
• G43
• G610
• Hot at all times
• Inside loud speaker
• Instrument cluster
• Left antenna module
• Left front bass speaker
• Left front midrange speaker
• Left front treble speaker
• Left rear midrange speaker
• Nca
• Pnk
• Radio
• Radio controls
• Right antenna module
• Right front bass speaker
• Right front midrange speaker
• Right front treble speaker
• Right rear midrange speaker
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• Steering column electronic systems control module (if equipped)
• Steering wheel control unit
• T10i
• T16a
• T20d
• T20g
• T32
• T32a
• T8a
• T8o
• T8p
• Telephone preparation wiring (if equipped)
• W/ cd changer unit &
• W/ satellite radio
• W/o satellite radio

Symphony II Wiring Diagram, with Convertible with Bose (Late Production) for Audi A4 Quattro 2005

List of elements for Symphony II Wiring Diagram, with Convertible with Bose (Late Production) for Audi A4 Quattro 2005:

• (pins 3 to 8 not used)
• 39a
• Airbag spiral spring/ return spring w/ slip ring
• Amplifier
• Cd changer unit
• Comfort system central control module (w/ alarm system)
• Computer data lines system
• Fuse 20a
• Fuse holder
• G310
• G43
• G610
• Hot at all times
• Inside loudspeaker
• Inside microphone
• Instrument cluster
• Left antenna module
• Left front bass speaker
• Left front midrange speaker
• Left front treble speaker
• Left rear speaker
• Nca
• Pnk
• Radio
• Radio controls
• Right antenna module
• Right front bass speaker
• Right front midrange speaker
• Right front treble speaker
• Right rear speaker
• Satellite antenna
• Satellite radio
• Satellite tuner antenna
• Steering column electronic systems control module (if equipped)
• Steering wheel control unit
• T10i
• T16a
• T20d
• T20g
• T32
• T32a
• T8o
• T8p
• Telephone preparation wiring (if equipped)
• W/ cd changer unit &
• W/ satellite radio
• W/o satellite radio

Symphony II Wiring Diagram, with Convertible without Bose (Early Production) for Audi A4 Quattro 2005

List of elements for Symphony II Wiring Diagram, with Convertible without Bose (Early Production) for Audi A4 Quattro 2005:

• 39a
• Airbag spiral spring/ return spring w/ slip ring
• Amplifier
• Cd changer unit
• Comfort system central control module
• Computer data lines system
• Control module for navigation w/ cd-mechanism
• Fuse 20a
• Fuse holder
• G610
• Hot at all times
• Inside loud speaker (center speaker)
• Instrument cluster
• Left antenna module
• Left front bass speaker
• Left front dsp midrange speaker
• Left front treble speaker
• Left rear speaker
• Nca
• Pnk
• Radio
• Radio controls
• Red
• Right antenna module
• Right front bass speaker
• Right front dsp midrange speaker
• Right front treble speaker
• Right rear speaker
• Steering column electronic systems control module (if equipped)
• Steering wheel control unit
• T10i
• T16a
• T20d
• T20e
• T32
• T32a
• T8a
• Telephone preparation wiring (if equipped)

SHIFT INTERLOCK

Shift Interlock Wiring Diagram, 5 Speed A/T for Audi A4 Quattro 2005

List of elements for Shift Interlock Wiring Diagram, 5 Speed A/T for Audi A4 Quattro 2005:

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

Shift Interlock Wiring Diagram, 6 Speed A/T for Audi A4 Quattro 2005

List of elements for Shift Interlock Wiring Diagram, 6 Speed A/T for Audi A4 Quattro 2005:

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

Shift Interlock Wiring Diagram, CVT for Audi A4 Quattro 2005

List of elements for Shift Interlock Wiring Diagram, CVT for Audi A4 Quattro 2005:

• After-run auto transmission fuse
• Fuse s286 15a
• G43
• Hot w/ ecm relay energized
• Shift lock solenoid
• Tiptronic switch
• Transmission control module (tcm)

STARTING/CHARGING

Charging Wiring Diagram for Audi A4 Quattro 2005

List of elements for Charging Wiring Diagram for Audi A4 Quattro 2005:

• 1.8l
• Acc
• Battery
• Fuse 150a
• Fuse strip (main fuse)
• G11
• Generator
• Generator warning light
• Ignition/ starter switch
• Instrument cluster
• Lock
• Motronic engine control module
• Nca
• Off
• Red
• Start
• Starter
• T32a

Starting Wiring Diagram, 5 Speed A/T for Audi A4 Quattro 2005

List of elements for Starting Wiring Diagram, 5 Speed A/T for Audi A4 Quattro 2005:

• 50b
• 50z
• Acc
• Battery
• Charging circuit
• Fuse 150a
• Fuse strip (main fuse)
• G11
• G12
• Ignition/ starter switch
• Lock
• Multi-function transmission range (tr) switch
• Nca
• Off
• Red
• Start
• Starter
• Starter interlock alarm system relay

Starting Wiring Diagram, 6 Speed A/T for Audi A4 Quattro 2005

List of elements for Starting Wiring Diagram, 6 Speed A/T for Audi A4 Quattro 2005:

• 50a
• 50b
• 50z
• Acc
• Battery
• Charging circuit
• Fuse 150a
• Fuse strip (main fuse)
• G11
• Ignition/ starter switch
• Lock
• Nca
• Off
• P/n
• Park/ neutral position (pnp) relay
• Red
• Start
• Starter
• Transmission control module (tcm)

Starting Wiring Diagram, M/T for Audi A4 Quattro 2005

List of elements for Starting Wiring Diagram, M/T for Audi A4 Quattro 2005:

• 50b
• Acc
• Battery
• Charging circuit
• Clutch vacuum vent valve switch
• Fuse 150a
• Fuse strip (main fuse)
• G11
• G43
• Ignition/ starter switch
• Lock
• Nca
• Off
• Red
• Start
• Starter
• Starter locking relay (clutch pedal switch)

Starting Wiring Diagram, with CVT for Audi A4 Quattro 2005

List of elements for Starting Wiring Diagram, with CVT for Audi A4 Quattro 2005:

• 50a
• 50b
• 50z
• Acc
• Battery
• Charging circuit
• Fuse 150a
• Fuse strip (main fuse)
• G11
• Ignition/ starter switch
• Lock
• Nca
• Off
• P/n
• Park/ neutral position (pnp) relay
• Red
• Start
• Starter
• Transmission control module (tcm)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram, Early Production without Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Supplemental Restraints Wiring Diagram, Early Production without Convertible (1 of 2) for Audi A4 Quattro 2005:

• 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
• Driver's safety belt tensioner igniter 1
• Driver's side air bag igniter
• Driver's side rear passenger's side air bag igniter
• Driver's side rear safety belt tensioner igniter
• Front passenger's air bag igniter
• Front passenger's safety belt tensioner igniter 1
• Front passenger's side air bag igniter
• Front passenger's side rear passenger's side air bag igniter
• Front passenger's side rear safety belt tensioner igniter
• G637
• G77
• Igniter 1
• Igniter 2
• Nca
• Red
• Sedan
• Shorting contact
• Solid state
• Steering column electronic systems control module

Supplemental Restraints Wiring Diagram, Early Production without Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Supplemental Restraints Wiring Diagram, Early Production without Convertible (2 of 2) for Audi A4 Quattro 2005:

• 11a
• Air bag control module
• Air bag malfunction indicator lamp (mil)
• Comfort system central control module
• Computer data lines system
• Driver's front air bag crash sensor
• Driver's side air bag crash sensor
• Driver's side rear side air bag crash sensor
• Front passenger's side air bag crash sensor
• Front passenger's head curtain air bag igniter
• Front passenger's seat occupied sensor (if equipped)
• Front passenger's side rear side air bag crash sensor
• Fuse 5a
• Fuse holder
• G637
• G77
• Hot in on or start
• Instrument cluster
• Left seat belt switch
• Motronic engine control module (ecm)
• Nca
• Passenger's front air bag crash sensor
• Red
• Right seat belt switch
• Seat occupied recognition control module (w/ bladder mat)
• Seat occupied recognition pressure sensor
• Seat occupied recognition safety belt force sensor
• Sedan
• Shorting contact
• Solid state
• T32a
• W/ bladder mat
• W/o bladder mat

Supplemental Restraints Wiring Diagram, Late Production without Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Supplemental Restraints Wiring Diagram, Late Production without Convertible (1 of 2) for Audi A4 Quattro 2005:

• Acc
• Air bag control module
• Air bag spiral spring/return spring w/slip ring
• Comfort system central control module
• Driver side rear seat belt tensioner igniter
• Driver's rear side air bag igniter
• Driver's side air bag igniter
• Driver's side head air bag igniter
• Front passenger's air bag igniter
• Front passenger's head air bag igniter
• Front passenger's side air bag igniter
• G637
• G77
• G78
• Hot at all times
• Igniter 1
• Igniter 2
• Ignition/ starter switch
• Lock
• Motronic engine control module (ecm)
• Nca
• Nca +
• Nca -
• Off
• Passenger side rear seat belt tensioner igniter
• Passenger's rear side air bag igniter
• Red
• Run
• Sedan
• Shorting contact
• Solid state
• Start
• Steering column electronic systems control module
• Telephone/telematic control module

Supplemental Restraints Wiring Diagram, Late Production without Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Supplemental Restraints Wiring Diagram, Late Production without Convertible (2 of 2) for Audi A4 Quattro 2005:

• 11a
• Air bag control module
• Air bag malfunction indicator lamp (mil)
• Computer data lines system
• Data link connector (dlc)
• Driver's front air bag crash sensor
• Driver's seat belt tensioner igniter 1
• Driver's side air bag crash sensor
• Driver's side rear side air bag crash sensor
• Front passenger's seat belt tensioner igniter 1
• Fuse 5a
• Fuse holder
• G637
• G77
• Hot in on or start
• Instrument cluster
• Left safety belt switch
• Micro- switch
• Nca
• Passenger's front air bag crash sensor
• Passenger's side air bag crash sensor
• Passenger's side rear side air bag crash sensor
• Rear center seat belt tensioner igniter
• Red
• Right seat belt switch
• Seat occupied recognition control module
• Seat occupied recognition pressure sensor
• Seat occupied recognition safety belt force sensor
• Shorting contact
• Solid state
• T32a

Supplemental Restraints Wiring Diagram, with Convertible (1 of 2) for Audi A4 Quattro 2005

List of elements for Supplemental Restraints Wiring Diagram, with Convertible (1 of 2) for Audi A4 Quattro 2005:

• Acc
• Air bag control module
• Air bag spiral spring/return spring w/slip ring
• Comfort system central control module
• Driver's side air bag igniter
• Driver's side side air bag igniter
• G637
• High bus
• Hot at all times
• Ignition/ starter switch
• Left rear seat belt tensioner igniter
• Lock
• Low bus
• Motronic engine control module (ecm)
• Nca
• Off
• Passenger's side air bag igniter 1
• Passenger's side side air bag igniter
• Red
• Right rear seat belt tensioner igniter
• Shorting contact
• Solid state
• Start
• Steering column electronic systems control module
• Telephone/telematic control module

Supplemental Restraints Wiring Diagram, with Convertible (2 of 2) for Audi A4 Quattro 2005

List of elements for Supplemental Restraints Wiring Diagram, with Convertible (2 of 2) for Audi A4 Quattro 2005:

• Air bag control module
• Air bag malfunction indicator lamp (mil)
• Computer
• Data lines
• Data link connector (dlc)
• Driver's front air bag crash sensor
• Driver's seat belt tensioner igniter 1
• Driver's side air bag crash sensor
• G637
• Instrument cluster
• Left rollover solenoid
• Left safety belt switch
• Nca
• Passenger's front air bag crash sensor
• Passenger's seat belt tensioner igniter 2
• Passenger's side air bag crash sensor
• Red
• Right rollover solenoid
• Right safety belt switch
• Shorting contact
• Solid state
• System
• T32a

TRANSMISSION

A/T Wiring Diagram, 5 Speed A/T for Audi A4 Quattro 2005

List of elements for A/T Wiring Diagram, 5 Speed A/T for Audi A4 Quattro 2005:

• (pins 56-84 not used)
• (w/ conv) g43 g33 (w/o conv)
• 31a
• Acc
• Computer data lines system
• Data link connector
• Exterior lights system
• Fuse 10a
• Fuse 150a
• Fuse 15a
• Fuse holder
• Fuse strip (main fuse)
• G12
• Hot at all times
• Ignition/ starter switch
• Instrument cluster
• Interior lights system
• Lock
• Motronic engine control module
• Multi-function transmission range switch
• Off
• Pressure control valves
• Red
• Shift lock solenoid
• Solenoid valves
• Start
• Starting/ charging system
• T32a
• Tiptronic switch
• Transmission control module (tcm)
• Transmission fluid temperature sensor
• Transmission output speed sensor
• Transmission speed sensor
• Valve body

A/T Wiring Diagram, 6 Speed A/T for Audi A4 Quattro 2005

List of elements for A/T Wiring Diagram, 6 Speed A/T for Audi A4 Quattro 2005:

• 1.8l & 3.0l
• 31a
• 4.2l
• Acc
• Automatic transmission after-run fuse
• Computer data lines system
• Data link connector
• Exterior lights system
• Fuse 10a
• Fuse 15a
• Fuse holder
• G12
• 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/ charging system
• T32a
• Tiptronic switch
• Transmission control module (tcm)
• W/ convertible
• W/o convertible

A/T Wiring Diagram, with CVT for Audi A4 Quattro 2005

List of elements for A/T Wiring Diagram, with CVT for Audi A4 Quattro 2005:

• 31a
• Acc
• Automatic transmission after-run fuse
• Computer data lines system
• Data link connector
• Exterior lights system
• Fuse 10a
• Fuse 15a
• Fuse holder
• G12
• G33 (w/o conv)
• G43 (w/ conv)
• 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/ charging system
• T32a
• Tiptronic switch
• Transmission control module (tcm)

TRUNK, TAILGATE, FUEL DOOR

Trunk & Fuel Door Release Wiring Diagram, with Convertible for Audi A4 Quattro 2005

List of elements for Trunk & Fuel Door Release Wiring Diagram, with Convertible for Audi A4 Quattro 2005:

• (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
• Fuel tank switch
• G661
• G663
• Instrument cluster
• Interior lights system
• Rear lid remote control release switch
• Rear lid unlock motor
• Red
• T10e
• T32
• T32a
• T32c

Trunk & Fuel Door Release Wiring Diagram, without Convertible Early Production for Audi A4 Quattro 2005

List of elements for Trunk & Fuel Door Release Wiring Diagram, without Convertible Early Production for Audi A4 Quattro 2005:

• Comfort system central control module
• Computer data lines system
• Driver side door control module
• Fuel tank lid unlock motor
• G50
• Interior lights system
• Rear lid lock cylinder switch
• Rear lid remote control release switch
• Rear lid unlock motor & trunk lid alarm switch
• Red
• Remote power fuel tank lid release info not available
• T10e
• T12h
• T16i
• T32c

Trunk & Fuel Door Release Wiring Diagram, without Convertible Late Production for Audi A4 Quattro 2005

List of elements for Trunk & Fuel Door Release Wiring Diagram, without Convertible Late Production for Audi A4 Quattro 2005:

• Comfort system central control module
• Computer data lines system
• Driver side door control module
• Fuel tank lid unlock motor
• G50
• 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
• T12h
• T16i
• T32c
• Trunk lid alarm switch

WARNING SYSTEMS

Brake Wear Sensor Wiring Diagram for Audi A4 Quattro 2005

List of elements for Brake Wear Sensor Wiring Diagram for Audi A4 Quattro 2005:

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

Tire Pressure Monitoring Wiring Diagram for Audi A4 Quattro 2005

List of elements for Tire Pressure Monitoring Wiring Diagram for Audi A4 Quattro 2005:

• (w/o convertible)
• 17a
• Computer data lines system
• Function selector switch 2
• Fuse 10a
• Fuse holder
• G33
• G662 (w/ convertible)
• Hot at all times
• Hot in on or start
• Instrument cluster
• Instrument cluster system
• Interior lights system
• Left front tire pressure monitoring sensor
• Left rear tire pressure monitoring sensor
• Right front tire pressure monitoring sensor
• Right rear tire pressure monitoring sensor
• T32
• T32a
• Tire pressure monitoring antenna
• Tire pressure monitoring control module

WIPER/WASHER

Jet Heater Wiring Diagram for Audi A4 Quattro 2005

List of elements for Jet Heater Wiring Diagram for Audi A4 Quattro 2005:

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

Wiper/Washer Wiring Diagram for Audi A4 Quattro 2005

List of elements for Wiper/Washer Wiring Diagram for Audi A4 Quattro 2005:

• (avant)
• (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 25a
• Fuse 30a
• Fuse holder
• Fuse strip (main fuse)
• G44
• G53
• 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
• Off
• Rear windshield wiper motor (avant)
• Red
• Start
• Steering column electronic systems control module
• T10b
• T16a
• T23
• T32
• T32a
• T32b
• Vehicle electrical system control module
• W/ avant
• W/ convertible
• W/o convertible
• Windshield washer fluid level warning switch
• Windshield washer pump
• Windshield wiper motor
• Windshield wiper/washer switch