All Wiring Diagrams for Audi A4 Quattro 2002

AIR CONDITIONING

Automatic A/C Wiring Diagram for Audi A4 Quattro 2002

List of elements for Automatic A/C Wiring Diagram for Audi A4 Quattro 2002:

• (left side of eng compt)
• (lower left "a" pillar)
• (lower right "a" pillar) g43
• 25a
• 26a
• A/c compressor regulator valve
• A/c control head
• Air flow flap motor/ position sensor
• Air quality sensor
• Central air flap motor/ position sensor
• Computer data lines system
• Defogger system
• Defroster flap motor/ position sensor
• Evaporator vent temperature sensor
• Fresh air blower control module
• Fresh air intake duct temperature sensor
• Fuse 10a
• Fuse 30a
• Fuse 5a
• Fuse holder
• G12
• G44
• High pressure sensor
• Hot at all times
• Hot in on or start
• Ignition/ starter switch
• Left footwell vent temperature sensor
• Left temperature flap actuator/ potentiometer
• Left vent temperature sensor
• Recirculation flap motor/ position sensor
• Right footwell vent temperature sensor
• Right temperature flap actuator/ potentiometer
• Right vent temperature sensor
• Seats system
• Solar cells
• Sunlight photo sensor

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Audi A4 Quattro 2002

List of elements for Anti-lock Brakes Wiring Diagram for Audi A4 Quattro 2002:

• (except quattro)
• (quattro)
• 13a
• 14a
• 42a
• 50a
• Abs control module
• Abs control module fuse 1
• Abs return flow pump
• Anti-slip control switch
• Anti-theft system
• Brake light switch
• Data link connector (dlc)
• Except quattro
• Fuse 10a
• Fuse 25a
• Fuse holder
• G12 (left side of eng compt)
• G43 (lower right "a" pillar)
• Hot at all times
• Hot in on or start
• Ignition/ starter switch
• Info not available
• Instrument cluster
• Interior lights system
• Left front abs wheel speed sensor
• Left rear abs wheel speed sensor
• Navigation control module for operating electronics
• Nca
• Parking brake warning light switch
• Quattro
• Red
• Right front abs wheel speed sensor
• 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

ANTI-THEFT

Anti-theft Wiring Diagram for Audi A4 Quattro 2002

List of elements for Anti-theft Wiring Diagram for Audi A4 Quattro 2002:

• 24a
• 38a
• A24
• A66
• A76
• Alarm horn
• Anti-lock brakes system
• Anti-theft warning ultra-sound sensor
• B154
• Backup lamps circuit
• Central locking/ anti-theft alarm system antenna
• Comfort system central control module
• Computer data lines system
• Data link connector (dlc)
• Front hood switch
• Fuse 15a
• Fuse 20a
• Fuse holder
• G12 (left side of eng compt)
• G43 (lower right "a" pillar)
• G44 (lower left "a" pillar)
• G50 (except avant) g52 (avant) (except avant-left side of luggage compt, avant-left rear lid)
• G78 (lower right "b" pillar)
• Hot at all times
• Instrument cluster
• Nca
• Parking brake warning light switch
• T32
• T32a
• Trunk lid alarm switch
• Trunk lock alarm/central locking switch

BODY CONTROL MODULES

Body Control Modules Wiring Diagram for Audi A4 Quattro 2002

List of elements for Body Control Modules Wiring Diagram for Audi A4 Quattro 2002:

• (lower left "a" pillar)
• 24a
• 38a
• Anti theft, anti-lock brakes systems
• Anti-theft system
• Comfort system central control module
• Computer data lines system
• Door locks system
• Driver side door control module
• Exterior lights system
• Fuse 20a
• Fuse holder
• G44
• Hot at all times
• Interior lights system
• Interior lights sytem
• Left rear door control module
• Nca
• Passenger side door control module
• Power tops system
• Right rear door control module
• Sound system
• T10e
• T10f
• T10g
• T10h

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Audi A4 Quattro 2002

List of elements for Data Link Connector Wiring Diagram for Audi A4 Quattro 2002:

• (5-speed a/t)
• (cvt)
• (lower right "a" pillar)
• 12a
• 31a
• A/c control head
• Abs control module
• Airbag control module
• Anti-theft warning ultra-sound sensor
• Comfort system central control module
• Contrl module for navigation w/ cd-mechanism
• Data link connector dlc
• Fuse 10a
• Fuse 15a
• Fuse holder
• G43
• Hot in on or start
• Instrument cluster
• Memory seat control module
• Motronic engine control module (ecm)
• Radio
• Servotronic control module
• T32a
• T32e
• T42
• T8e
• Telephone/ telematic control module
• Transmision control module (tcm)

High/Low Bus Wiring Diagram for Audi A4 Quattro 2002

List of elements for High/Low Bus Wiring Diagram for Audi A4 Quattro 2002:

• A/c control head
• Abs control module
• Airbag control module
• Comfort system central control module
• Driver side door control module
• Instrument cluster
• Left rear door control module
• Memory seat control module
• Motronic engine control module (ecm)
• Passenger side door control module
• Right rear door control module
• Servotronic control module
• Steering column electronic systems control module
• T10e
• T10f
• T10g
• T10h
• T16a
• T32
• T32a
• T32b
• T32e
• Vehicle electrical system control module

COOLING FAN

Cooling Fan Wiring Diagram for Audi A4 Quattro 2002

List of elements for Cooling Fan Wiring Diagram for Audi A4 Quattro 2002:

• (1.8l) (3.0l)
• 4-pin relay carrier
• Coolant fan fuse 42 40a 60a
• Coolant fc (fan control) control module
• Ecm relay
• Fuse 5a
• Fuse holder
• G26 (on front apron)
• Hot at all times
• Motronic engine control module (ecm)

DEFOGGERS

Heated Mirrors Wiring Diagram for Audi A4 Quattro 2002

List of elements for Heated Mirrors Wiring Diagram for Audi A4 Quattro 2002:

• (lower left "a" pillar)
• (lower right "a" pillar)
• 22a
• A/c control head
• Computer data lines system
• Driver side door control module
• Driver side outside mirror
• Fuse 15a
• Fuse holder
• G43
• G44
• Hot at all times
• Passenger side door control module
• Passenger side outside mirror
• T10e
• T10f
• T16b
• T16c

Rear Defogger Wiring Diagram for Audi A4 Quattro 2002

List of elements for Rear Defogger Wiring Diagram for Audi A4 Quattro 2002:

• 26a
• A/c control head
• Avant
• Except avant
• Fuse 30a
• Fuse holder
• G53 (right rear lid)
• G73 (rear roof bow)
• Heated rear window
• Hot at all times
• Nca
• Rear window defogger w/ window antenna
• Sound systems
• Windshield antenna suppression filter

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Audi A4 Quattro 2002

List of elements for Electronic Power Steering Wiring Diagram for Audi A4 Quattro 2002:

• Computer data lines system
• G44 (lower left "a" pillar)
• Ignition/ starter switch
• Instrument cluster
• Instrument cluster system
• Servotronic control module
• Servotronic solenoid valve
• T32a

ENGINE PERFORMANCE

1.8L

1.8L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2002

List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2002:

• (left rear of engine compt) e-box relay panel
• (left side of engine compt) g12
• Accelerator pedal position (app) sensor (above accelerator pedal)
• Brake- light switch
• Clutch vacuum vent valve switch (m/t) (above clutch pedal)
• Cooling fans system
• Fuse 10a
• Fuse 15a
• Fuse 40a
• Fuse panel
• G12 (left side of engine compt)
• Heated oxygen sensor (on exhaust system)
• Hot at all times
• Hot in run or start
• Ignition switch
• Mass airflow (maf) sensor (right side of engine compt)
• Motronic engine control module (in plenum chamber e-box)
• 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 (top of steering column)
• T16a
• Transmission control module (in plenum chamber e-box)

1.8L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2002

List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2002:

• (left front of engine compt) wastegate bypass regulator valve
• (right rear of engine compt) evaporative emission (evap) canister purge regulator valve
• Charge air pressure sensor (behind left headlight)
• Engine coolant temperature (ect) sensor (on radiator)
• Engine speed (rpm) sensor (on rear of engine)
• Fuse 15a
• Fuse holder
• Hot at all times
• Knock sensor (ks) 1 (left rear of engine)
• Knock sensor (ks) 2 (left front of engine)
• Leak detection pump (ldp) (left rear wheelwell)
• Map controlled engine cooling thermostat
• Nca
• Red
• Secondary air injection (air) solenoid valve (bottom of intake manifold)
• Turbocharger recirculating valve (bottom of intake manifold)

1.8L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2002

List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2002:

• (left rear of engine compt) e-box relay carrier
• (left side of engine compt)
• (left side of engine compt) brake system vacuum pump
• (mil)
• (rear of cylinder head) engine coolant temperature (ect) sensor
• (right side of master cylinder) brake booster pressure sensor
• Brake booster relay
• Camshaft adjustment valve 1
• Camshaft position sensor (left front of cylinder head)
• Coil
• Data link connector
• Fuse 15a
• Fuse 20a
• Fuse holder
• G12
• G12 (left side of engine compt)
• G18 (on engine block)
• Instrument cluster
• Intake air temperature sensor (near throttle body)
• 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 2002

List of elements for 1.8L, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Quattro 2002:

• 150a
• 9-pin relay carrier in instrument panel
• E-box relay carrier
• Fuel injectors
• Fuel pump motor
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse holder
• G78 (lower right "b" pillar)
• Hot at all times
• Main fuse (on battery positive terminal)
• Motronic engine control module (left rear of engine compt)
• Red
• Relay plate
• Throttle valve control module (on throttle body)
• Transmission control module
• W/ cvt
• W/o cvt

3.0L

3.0L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2002

List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Quattro 2002:

• (left side of engine compt) g12
• Brake- light switch
• Clutch vacuum vent valve switch (m/t)
• E-box relay panel
• Fuse 10a
• Fuse 15a
• Fuse 40a
• Fuse panel
• Heated oxygen sensor
• Heated oxygen sensor 2
• Hot at all times
• Hot in run or start
• Ignition switch
• Mass airflow (maf) sensor
• Motronic engine control module
• Off
• Oxygen sensor 2 behind twc
• 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
• Throttle position (tp) sensor
• Transmission control module

3.0L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2002

List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Quattro 2002:

• 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 (left side of engine compt)
• 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 2002

List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Quattro 2002:

• (left side of engine compt)
• (mil)
• Brake booster pressure sensor
• Brake booster relay
• Brake system vacuum pump
• Camshaft adjustment valve 1
• Camshaft adjustment valve 2
• Camshaft position sensor
• Camshaft position sensor 3
• Coil
• Data link connector
• E-box relay carrier
• Fuse 15a
• Fuse 20a
• Fuse holder
• G12
• G12 (left side of engine compt)
• G18 (on engine block)
• 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 2002

List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Quattro 2002:

• 150a
• 9-pin relay carrier in instrument panel
• Cooling fan system
• E-box relay carrier
• Fuel injectors
• Fuel pump motor
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse holder
• Hot at all times
• Main fuse (on battery positive terminal)
• Motronic engine control module
• Red
• Relay plate
• Throttle valve control module
• Transmission control module
• W/ cvt
• W/o cvt

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram, with A/T for Audi A4 Quattro 2002

List of elements for Backup Lamps Wiring Diagram, with A/T for Audi A4 Quattro 2002:

• 3/rf
• 31a
• 5/rf
• 6/b
• 7/15
• 7/b
• 8/r
• Cvt
• Except cvt
• Fuse holder
• Fuse s31 15a
• G43 (lower right "a" pillar)
• Hot in on or start
• Left back-up light
• Multi-function transmission range (tr) switch
• Park/neutral position (pnp) relay (relay carrier e-box)
• Right back-up light
• T10b
• T23
• Transmission control module (tcm)
• Vehicle electrical system control module

Backup Lamps Wiring Diagram, with M/T for Audi A4 Quattro 2002

List of elements for Backup Lamps Wiring Diagram, with M/T for Audi A4 Quattro 2002:

• 1/rf
• 31a
• 5/rf
• Back-up light switch
• Comfort system central control module
• Fuse holder
• Fuse s31 15a
• G43 (lower right "a" pillar)
• Hot in on or start
• Left back-up light
• Right back-up light
• T10b
• T23
• Vehicle electrical system control module

Exterior Lamps Wiring Diagram for Audi A4 Quattro 2002

List of elements for Exterior Lamps Wiring Diagram for Audi A4 Quattro 2002:

• (lower right "a" pillar) g43
• 13a
• 14a
• Acc
• Acc run
• Brake light switch (above brake pedal, on bracket)
• Computer data lines system
• Emergency flasher switch
• Filament bulb
• Fuse 10a
• Fuse 150a
• Fuse holder (left end of dash)
• Fuse strip (main fuse)
• G12 (on left center of firewall, near coolant reservoir)
• G43 (lower right "a" pillar)
• G50 (left side of luggage compt)
• G78 (at base of right "b" pillar)
• High- mount brake light
• Hot at all times
• Ignition/ starter switch
• Left headlight assembly
• Left side turn signal light
• Left taillamp assembly
• License plate light
• Light switch
• Nca
• Off
• Park
• Red
• Right headlight assembly
• Right side turn signal light
• Right taillamp assembly
• Run
• Start
• Steering column electronic systems control module (top of steering column)
• Stop
• T10b
• T16a
• T23
• T32b
• Tail
• Turn
• Turn signal switch
• Vehicle electrical system control module (behind left side of dash, below 9 pin relay carrier)
• W/ 1 filament bulb
• W/ 2

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 2) for Audi A4 Quattro 2002

List of elements for Ground Distribution Wiring Diagram (1 of 2) for Audi A4 Quattro 2002:

• Ashtray light, glove compartment light, headlight adjuster, passenger side door control module
• Battery
• Center instrument panel vent illumination, right instrument panel vent illumination, storage compartment illumination, cup holder illumination, coin holder illumination, rear center ashtray light, tiptronic switch, passenger side airbag key switch, glove compartment light, anti-slip control switch, rear window shade switch, a/c control head, fresh air blower control module, shift lock solenoid, headlight range control module
• Cooant fc (fan control) control module
• Driver's backrest heating element, driver's heated seat temperature sensor
• G11 (battery box)
• G18 (engine block)
• G26 (on front apron)
• G43 (lower right "a" pillar)
• G44 (lower left "a" pillar)
• G52 (left rear lid)
• G53 (right rear lid)
• G73 (rear roof bow)
• G78 (lower right "b" pillar)
• Headlight washer pump, driver side door control module
• Headlight washer pump, telematic control head, automatic day/ night interior mirror, luggage compartment light, solar cells, anti-theft warning ultra-sound sensor, front interior light, left make-up mirror light switch, right make-up mirror light switch, sunroof motor
• High mount brake light (avant), license plate light (avant), rear lid lock cylinder unlocking switch, rear lid unlock motor, trunk lid alarm switch, trunk lid alarm/ central locking switch
• Ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage
• Left instrument panel vent illumination, comfort system central control module, servotronic control module
• Rear windshield wiper motor, rear window defogger (w/ window antenna), windshield antenna suppression filter
• Right brake light, socket, fuel pump, passenger power seat switch, front passenger seat lumbar support adjustment switch, alarm horn
• Right headlight assembly
• Right rear door control module
• Steering column electronic systems control module, vehicle electrical system control module, light switch, emergency flasher switch, cigarette lighter, control module w/ indicator unit in instrument panel insert, steering column electronic systems control module, parking brake warning light switch, data link connector (dlc)
• Windshield antenna suppression filter
• Windshield wiper motor, left washer nozzle heater, right washer nozzle heater, brake fluid level warning switch, left front brake pad wear sensor, air quality sensor

Ground Distribution Wiring Diagram (2 of 2) for Audi A4 Quattro 2002

List of elements for Ground Distribution Wiring Diagram (2 of 2) for Audi A4 Quattro 2002:

• Airbag control module, passenger side airbag key switch, driver's side side airbag ignitor, passenger side side airbag ignitor, driver's side side airbag crash sensor, passenger side side airbag crash sensor, driver's side rear side airbag crash sensor, passenger side rear side airbag crash sensor, driver's side rear side airbag ignitor, passenger side rear side airbag ignitor, drivers front airbag crash sensor, passengers front airbag crash sensor
• Driver side head airbag ignitor, left rear central locking lock unit
• Driver's power seat switch, driver's seat lumbar support adjustment switch, memory seat control module
• G12 (left side of eng compt)
• G50 (left side of luggage compt)
• G610 (under front center console)
• G77 (lower left "b" pillar)
• G78 (lower right "b" pillar)
• Left brake light, high-mount brake light, rear window shade control module, rear lid unlock motor, rear lid lock cylinder unlocking switch, trunk lid alarm switch, trunk lock alarm/central locking switch
• Left front fog light, right front fog light, high tone horn, low tone horn
• Left headlight assembly, data link connector (dlc)
• Left rear central locking lock unit
• Left rear door control module
• Left rear entry light, left rear door warning light, left rear door opener lighting
• Motronic engine control module (ecm), after-run coolant pump, brake system vacuum 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, speedometer vehicle speed sensor, oil level thermal sensor, transmission control module (tcm), multi-function transmission range (tr) switch
• Oil level thermal sensor, speedometer vehicle speed sensor
• Passenger side head airbag ignitor, right brake light (avant), right rear central locking lock unit, passenger's heated seat temperatire sensor, passenger's backrest heating element, left rear heated seat temperature sensor, left rear backrest heating element, right rear heated seat control module, left rear heated seat temperature sensor, right rear backrest heating element
• Radio
• Radio connector iii, clutch vacuum vent valve switch
• Right rear central locking lock unit
• Right rear door warning light, right rear door opener lighting, right rear entry light
• Secondary air injection (air) pump motor, abs control module (w/ edl), high pressure sensor, a/c compressor regulator valve, front hood switch
• Telephone control module for operating electronics, telephone amplifier, control module for navigation w/ cd-mechanism, radio, amplifier
• Telephone/telematic control module

HEADLIGHTS

Headlights Wiring Diagram, Standard for Audi A4 Quattro 2002

List of elements for Headlights Wiring Diagram, Standard for Audi A4 Quattro 2002:

• 150a
• 56a
• 56b
• 58d
• 9-pin relay carrier (in instrument panel)
• Battery
• Fuse strip (main fuse)
• G12 (left side of eng compt)
• G43 (lower right "a" pillar)
• Ignition switch
• Interior lights system
• Left front fog light
• Left headlight assembly
• Light switch
• Load reduction relay
• Nca
• Nsl
• Red
• Right front fog light
• Right headlight assembly
• T23
• T32b
• Tfl
• Transmissions system
• Vehicle electrical system control module

Headlights Wiring Diagram, with High Intensity Gas Discharge Lamps for Audi A4 Quattro 2002

List of elements for Headlights Wiring Diagram, with High Intensity Gas Discharge Lamps for Audi A4 Quattro 2002:

• 150a
• 56a
• 56b
• 58d
• 9-pin relay carrier (in instrument panel)
• Anti-lock brakes system
• Battery
• Computer data lines system
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• G12 (left side of eng compt)
• G43 (lower right "a" pillar)
• Headlight range control module
• High intensity gas discharge lamp
• Hot in on 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 headlight
• Left rear level control system sensor
• Light switch
• Load reduction relay
• Nca
• Nsl
• Red
• Right front fog light
• Right headlight assembly
• Right headlight beam adjusting motor
• Right high beam headlight
• Starting/ charging system
• T23
• T32b
• Tfl
• Transmissions system
• Vehicle electrical system control module

HORN

Horn Wiring Diagram for Audi A4 Quattro 2002

List of elements for Horn Wiring Diagram for Audi A4 Quattro 2002:

• 40a
• Fuse 25a
• Fuse holder
• G12 (left side of eng compt)
• High tone horn
• Horn relay (9-pin relay carrier)
• Horn switch info not available
• Info not available
• Low tone horn
• T32b
• T42
• Telephone/telematic control module
• Vehicle electrical system control module

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Audi A4 Quattro 2002

List of elements for Instrument Cluster Wiring Diagram for Audi A4 Quattro 2002:

• (left side of eng compt)
• (lower right "a" pillar)
• 12a
• 86s
• Air conditioning, memory, power windows, door locks, systems
• Airbag control module
• Airbag malfunction indicator lamp (mil)
• Ambient temperature switch
• Anti-lock brakes system
• Anti-theft immobilzer induction coil
• Anti-theft system
• Board computer function selector switch ii
• Brake fluid level warning switch
• Computer data-lines system
• Control module for navigation w/ cd-mechanism
• Control module w/ indicator unit in instrument panel insert
• Engine coolant level (ecl) warning switch
• Engine coolant temperature (ect) gauge
• Engine coolant temperature (ect) sensor
• Fuel gauge
• Fuel gauge gauge sender
• Fuse 10a
• Fuse holder
• G12
• G12 (left side of eng compt)
• G43
• G43 (lower right "a" pillar)
• Generator (gen) warning light
• Headlight range control module
• Hot at all times
• Hot in on or start
• Ignition switch
• Instrument cluster
• Interior lights system
• Motronic engine control module (ecm)
• Oil level thermal sensor
• Oil pressure switch
• Radio
• Radio frequency controlled clock
• Radio frequency controlled clock receiver
• Red
• Servotronic control module
• Speedometer
• Speedometer vehicle speed sensor
• Starting/charging system
• Steering column electronic systems control module
• T16a
• T18
• T20d
• T20e
• T32
• T32a
• T42
• T4m
• Tachometer
• Telephone control module for operating electronics
• Telephone/ telematic control module
• Tiptronic switch
• Transmission control module (tcm)
• Warnings system
• Windshield washer fluid level warning switch

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi A4 Quattro 2002

List of elements for Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi A4 Quattro 2002:

• A175
• A29
• B250
• B270
• Comfort system central control module
• Computer data lines system
• Front reading light assembly
• Fuse 5a
• Fuse holder
• G43 (lower right "a" pillar)
• G44 (lower left "a" pillar)
• Glove compartment light
• Glove compartment light switch
• Hot at all times
• Instrument illumination circuit
• Left footwell light
• Left make-up mirror light switch
• Luggage compartment light
• Make-up mirror light
• Rear lid light
• Rear map/reading/ courtesy light
• Right footwell light
• Right make-up mirror light switch

Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi A4 Quattro 2002

List of elements for Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi A4 Quattro 2002:

• Computer data lines system
• Driver side door control module
• Driver side door opener lighting
• Driver side door warning light
• Left front entry light
• Left rear door control module
• Left rear door opener lighting
• Left rear door warning light
• Left rear entry light
• Passenger compartment monitoring switch
• Passenger door control module
• Passenger side door opener lighting
• Passenger side door warning light
• Power windows system
• Power windows, mirrors systems
• Power windows, mirrors, door locks systems
• R52
• R53
• R54
• R55
• R56
• R57
• Right front entry light
• Right rear door control module
• Right rear door opener lighting
• Right rear door warning light
• Right rear entry light
• T10e
• T10g
• T10h
• T16d
• T16e
• T32c
• T32d

Courtesy Lamps Wiring Diagram, Except Avant (1 of 2) for Audi A4 Quattro 2002

List of elements for Courtesy Lamps Wiring Diagram, Except Avant (1 of 2) for Audi A4 Quattro 2002:

• A175
• A29
• B250
• B270
• Comfort system central control module
• Computer data lines system
• Front reading light assembly
• Fuse 5a
• Fuse holder
• G43 (lower right "a" pillar)
• G44 (lower left "a" pillar)
• 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 switch
• Make-up mirror light
• Rear map/reading/ courtesy light
• Right footwell light
• Right luggage compartment light
• Right make-up mirror light switch

Courtesy Lamps Wiring Diagram, Except Avant (2 of 2) for Audi A4 Quattro 2002

List of elements for Courtesy Lamps Wiring Diagram, Except Avant (2 of 2) for Audi A4 Quattro 2002:

• Computer data lines system
• Driver side door control module
• Driver side door opener lighting
• Driver side door warning light
• Left front entry light
• Left rear door control module
• Left rear door opener lighting
• Left rear door warning light
• Left rear entry light
• Passenger compartment monitoring switch
• Passenger door control module
• Passenger side door opener lighting
• Passenger side door warning light
• Power windows system
• Power windows, mirrors systems
• Power windows, mirrors, door locks systems
• R52
• R53
• R54
• R55
• R56
• R57
• Right front entry light
• Right rear door control module
• Right rear door opener lighting
• Right rear door warning light
• Right rear entry light
• T10e
• T10g
• T10h
• T16d
• T16e
• T32c
• T32d

Instrument Illumination Wiring Diagram for Audi A4 Quattro 2002

List of elements for Instrument Illumination Wiring Diagram for Audi A4 Quattro 2002:

• (lower left "b" pillar) g77
• (lower right "b" pillar) g78
• A175
• Anti-slip control switch
• Ashtray light
• B270
• Board computer function selector switch ii
• Center instrument panel vent illumination
• Cigarette lighter
• Coin holder illumination
• Cup holder illumination
• Front reading light assembly
• G43 (lower right "a" pillar)
• G44 (lower left "a" pillar)
• 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 switch
• Rear center ashtray light
• Rear window shade switch
• Right instrument panel vent illumination
• Right rear door opener lighting
• Right rear heated seat control module
• Storage compartment illumination
• T18
• T32
• T32a
• Telematic control head
• Telephone control module for operating electronics

MEMORY SYSTEMS

Memory Systems Wiring Diagram (1 of 2) for Audi A4 Quattro 2002

List of elements for Memory Systems Wiring Diagram (1 of 2) for Audi A4 Quattro 2002:

• 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 (lower left "b" pillar)
• Hot at all times
• Memory seat control module
• Power seat fuse 30a
• Red
• T12g
• T32e

Memory Systems Wiring Diagram (2 of 2) for Audi A4 Quattro 2002

List of elements for Memory Systems Wiring Diagram (2 of 2) for Audi A4 Quattro 2002:

• (lower left "a" pillar)
• (lower right "a" pillar)
• 22a
• Computer data lines system
• Defogger system
• Driver side door control module
• Driver's seat memory program control
• Driver's side outside folding mirror
• Fuse 15a
• Fuse holder
• G43
• G44
• Hot at all times
• Mirror adjustment switch
• Nca
• Passenger side door control module
• Passenger's side outside folding mirror
• T10e
• T10f
• T16b
• T16c
• T32c

NAVIGATION

Navigation Wiring Diagram for Audi A4 Quattro 2002

List of elements for Navigation Wiring Diagram for Audi A4 Quattro 2002:

• (under front center console)
• Backup lamps circuit
• Board computer function selector switch ii
• Computer data lines system
• Control module for navigation w/ cd-mechanism
• 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/ telematic control module

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 2) for Audi A4 Quattro 2002

List of elements for Power Distribution Wiring Diagram (1 of 2) for Audi A4 Quattro 2002:

• (1.8l) (3.0l)
• (lower right "a" pillar)
• (lower right "b" pillar)
• 10a
• 12a
• 14a
• 150a
• 22a
• 243a
• 30a
• 31a
• 33a
• 35a
• 36a
• 37a
• 50a
• 50b
• 86s
• 9-pin relay carrier (in instrument panel)
• A/c control head
• Abs control module (w/edl)
• Abs control module fuse 1
• 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
• Battery
• Brake booster relay
• Brake light switch
• Brake light switch, clutch vacuum vent valve switch, abs control module
• Cigarette lighter
• Control module w/ indicator unit instrument panel insert
• Control module w/ indicator unit instrument panel insert, steering column electronic systems control module
• Data link connector (dlc)
• Driver side door control module
• Fuel pump (fp) relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 50a 40a
• Fuse 5a
• Fuse holder
• Fuse strip (main fuse)
• Generator
• Headlight range control module
• Ignition/starter switch
• Light switch
• Load reduction relay
• Motronic engine control module (ecm)
• Nca
• Oil level thermal sensor, telephone/telematic control module, board computer function selector switch ii, tiptronic switch, transmission control module, multi-function transmission range (tr) switch, rear window shade switch, telephone control module for operating electronics, control module for navigation w/ cd-mechanism, left rear heated seat control module, right rear heated seat control module
• Park/neutral position (pnp) relay
• Passenger side door control module
• Rear shade circuit breaker 10a
• Rear window shade control module
• Rear windshield wiper motor
• Red
• Red b
• Red c
• Red d
• Relay carrier e-box
• Secondary air injection (air) pump relay
• Servotronic control module
• Socket
• Starter
• Starter, locking relay for starter (clutch pedal switch), starter interlock alarm system relay
• Steering column electronic systems control module
• Sunroof motor
• T10b
• T32b
• Telephone amplifier
• Telephone/ telematic control module, telephone control module for operating electronics
• To 4-pin relay carrier (diagram 2 of 2)
• To fuse (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 (2 of 2) for Audi A4 Quattro 2002

List of elements for Power Distribution Wiring Diagram (2 of 2) for Audi A4 Quattro 2002:

• (1.8l)
• 23a
• 24a
• 25a
• 26a
• 38a
• 4-pin relay carrier
• 44a
• A/c control head
• Comfort system central control module
• Control module for navigation w/ cd mechanism
• Coolant fan fuse 42 40a 60a (3.0l)
• Coolant fc (fan control) module
• 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
• 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)
• From ignition/ starter switch (diagram 1 of 2)
• Fuel pump (fp) relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse holder
• 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
• Nca
• Passenger's power seat switch, front passenger seat lumbar support adjustment switch
• Power seat fuse 45 30a
• Power seat fuse 46 30a
• Power window fuse 2 30a
• Power window fuse 37 30a
• Red
• Right rear door control module
• Ultra-sound sensor for anti-theft warning, alarm horn

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 2) for Audi A4 Quattro 2002

List of elements for Power Door Locks Wiring Diagram (1 of 2) for Audi A4 Quattro 2002:

• 22a
• 24a
• 38a
• 4-pin relay carrier
• A146
• A147
• A66
• B110
• B207
• 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
• Fuse 15a
• Fuse 20a
• Fuse holder
• G44 (lower left "a" pillar)
• G50 (left side of luggage compt)
• Hot at all times
• Mirrors system
• Mirrors, power windows, interior lights systems
• Nca
• Passenger compartment monitoring switch
• Power window fuse 37 30a
• Rear lid lock cylinder unlocking switch
• Rear lid unlock motor
• T10e
• T12
• T32c
• T42
• Telephone/telematic control module

Power Door Locks Wiring Diagram (2 of 2) for Audi A4 Quattro 2002

List of elements for Power Door Locks Wiring Diagram (2 of 2) for Audi A4 Quattro 2002:

• 23a
• 4-pin relay carrier
• Fuse 15a
• Fuse holder
• G43 (lower right "a" pillar)
• G77 (lower left "b" pillar)
• G78 (lower right "b" pillar)
• Hot at all times
• Kl31
• Left rear central locking lock unit
• Left rear door control module
• 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
• Safe
• T10f
• T10g
• T10h
• T12a
• T12b
• T12c
• Verr

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for Audi A4 Quattro 2002

List of elements for Automatic Day/Night Mirror Wiring Diagram for Audi A4 Quattro 2002:

• (lower left "a" pillar)
• 31a
• Automatic day/night interior mirror
• Back-up light switch
• Driver side door control module
• Front interior light
• Fuse 15a
• Fuse holder
• G44
• Hot in on or start
• Passenger side door control module

Exterior Power Mirror Wiring Diagram, with Fold-Back Mirrors for Audi A4 Quattro 2002

List of elements for Exterior Power Mirror Wiring Diagram, with Fold-Back Mirrors for Audi A4 Quattro 2002:

• (lower left "a" pillar)
• (lower right "a" pillar)
• 22a
• Defogger system
• Door locks system
• Door locks, interior lights systems
• Driver side door control module
• Driver's side outside folding mirror
• Fuse 15a
• Fuse holder
• G43
• G44
• Hot at all times
• Mirror adjustment switch
• Nca
• Passenger side door control module
• Passenger's side outside folding mirror
• T10e
• T10f
• T16b
• T16c
• T32c

Exterior Power Mirror Wiring Diagram, without Fold-Back Mirrors for Audi A4 Quattro 2002

List of elements for Exterior Power Mirror Wiring Diagram, without Fold-Back Mirrors for Audi A4 Quattro 2002:

• (lower left "a" pillar)
• (lower right "a" pillar)
• 22a
• Defogger system
• Door locks system
• Door locks, interior lights systems
• Driver side door control module
• Driver's side outside mirror
• Fuse 15a
• Fuse holder
• G43
• G44
• Hot at all times
• Mirror adjustment switch
• Nca
• Passenger side door control module
• Passenger's side outside mirror
• T10e
• T10f
• T16b
• T16c
• T32c

POWER SEATS

Heated Seats Wiring Diagram for Audi A4 Quattro 2002

List of elements for Heated Seats Wiring Diagram for Audi A4 Quattro 2002:

• 44a
• A/c control head
• Driver's backrest heating element
• Driver's seat heater
• Fuse 10a
• Fuse 30a
• Fuse holder
• G44 (lower left "a" pillar)
• G78 (lower left "b" pillar)
• G78 (lower right "b" pillar)
• Hot at all times
• Hot in on or start
• Interior lights system
• Left rear backrest heating element
• Left rear heated seat control module
• Left rear seat heater
• Left vent temperature sensor
• Nca
• Passenger's backrest heating element
• Passenger's seat heater
• Right rear backrest heating element
• Right rear heated seat control module
• Right rear seat heater
• Right vent temperature sensor

Power Seats Wiring Diagram for Audi A4 Quattro 2002

List of elements for Power Seats Wiring Diagram for Audi A4 Quattro 2002:

• 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 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
• Front passenger seat lumbar support adjustment switch
• Front passenger seat lumbar support curvature adjustment motor
• Front passenger seat lumbar support height adjustment motor
• G77 (lower left "b" pillar)
• G78 (lower right "b" pillar)
• 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

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Audi A4 Quattro 2002

List of elements for Power Top/Sunroof Wiring Diagram for Audi A4 Quattro 2002:

• (lower left "a" pillar)
• 30a
• Comfort system central control module
• Front interior light
• Fuse 20a
• Fuse holder
• G44
• Hot at all times
• Nca
• Power windows system
• Sunroof motor assembly
• Sunroof switch

POWER WINDOWS

Power Windows Wiring Diagram for Audi A4 Quattro 2002

List of elements for Power Windows Wiring Diagram for Audi A4 Quattro 2002:

• (lower left "a" pillar)
• (lower left "b" pillar)
• (lower right "a" pillar)
• (lower right "b" pillar)
• 22a
• 23a
• 4-pin relay carrier
• Comfort system central control module
• Computer data lines system
• Door locks, mirrors, interior lights systems
• Driver side door control module
• Fuse 15a
• Fuse holder
• G43
• G44
• G77
• G78
• Hot at all times
• Interior lights system
• Interior lights, mirrors systems
• Interior lights, mirrors, door locks systems
• Kisi
• Kisif
• Left rear door control module
• Left rear window motor
• Left rear window switch
• Left window motor
• Master power window switch
• Passenger door window regulator switch
• Passenger side door control module
• Power window fuse 2 30a
• Power window fuse 37 30a
• Right rear door control module
• Right rear window motor
• Right rear window switch
• Right window motor
• T10e
• T10f
• T10g
• T10h
• T16d
• T16e
• T32c
• T32d

Rear Window Sun Shade Wiring Diagram for Audi A4 Quattro 2002

List of elements for Rear Window Sun Shade Wiring Diagram for Audi A4 Quattro 2002:

• 9-pin relay carrier
• Fuse 10a
• Fuse holder
• G50 (left side of luggage compt)
• 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

Radio Wiring Diagram, Bose for Audi A4 Quattro 2002

List of elements for Radio Wiring Diagram, Bose for Audi A4 Quattro 2002:

• 39a
• Amplifier
• Antenna
• Avant
• Bass loudspeaker
• Cd changer unit
• Comfort system central control module
• Computer data lines system
• Control module for navigation w/ cd-mechanism
• Except avant
• Fuse 30a
• Fuse holder
• G610 (under front center console)
• Info not available
• Inside loudspeaker (center speaker)
• Left antenna module
• Left front bass speaker
• Left front midrange speaker
• Left rear bass speaker
• Left rear midrange speaker
• Left rear side window
• Nca
• Radio
• Rear window defogger w/ window antenna
• Red
• Right front bass speaker
• Right front midrange speaker
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window
• T10i
• T20d
• T20e
• T8a
• Telephone circuit
• W/ alarm system

Radio Wiring Diagram, with Amplifier for Audi A4 Quattro 2002

List of elements for Radio Wiring Diagram, with Amplifier for Audi A4 Quattro 2002:

• (under front center console) g610
• 39a
• Amplifier
• Antenna
• Avant
• Bass loudspeaker
• Cd changer unit
• Comfort system central control module
• Computer data lines system
• Control module for navigation w/ cd-mechanism
• Except avant
• Fuse 30a
• Fuse holder
• G610 (under front center console)
• Info not available
• Inside loudspeaker (center speaker)
• Left antenna module
• Left front bass speaker
• Left front midrange speaker
• Left rear bass speaker
• Left rear midrange speaker
• Left rear side window
• Nca
• Radio
• Rear window defogger w/ window antenna
• Red
• Right front bass speaker
• Right front midrange speaker
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window
• T10i
• T20d
• T20e
• T8a
• Telephone circuit
• W/ alarm system

Radio Wiring Diagram, without Amplifier for Audi A4 Quattro 2002

List of elements for Radio Wiring Diagram, without Amplifier for Audi A4 Quattro 2002:

• 39a
• Antenna
• Avant
• Cd changer unit
• Comfort system central control module
• Computer data lines system
• Control module for navigation w/ cd-mechanism
• Except avant
• Fuse 30a
• Fuse holder
• G610 (under front center console)
• Info not available
• Left antenna module
• Left front bass speaker
• Left front midrange speaker
• Left rear bass speaker
• Left rear midrange speaker
• Left rear side window
• Nca
• Radio
• Rear window defogger w/ window antenna
• Red
• Right front bass speaker
• Right front midrange speaker
• Right rear bass speaker
• Right rear midrange speaker
• Right rear side window
• T10i
• T20d
• T20e
• T8a
• Telephone circuit
• W/ alarm system

SHIFT INTERLOCK

Shift Interlock Wiring Diagram, with CVT for Audi A4 Quattro 2002

List of elements for Shift Interlock Wiring Diagram, with CVT for Audi A4 Quattro 2002:

• 31a
• After-run auto transmission fuse
• Fuse s286 15a
• G238
• Hot w/ ecm relay energized
• Shift lock solenoid
• Tiptronic switch
• Transmission control module (tcm)

Shift Interlock Wiring Diagram, with Tiptronic for Audi A4 Quattro 2002

List of elements for Shift Interlock Wiring Diagram, with Tiptronic for Audi A4 Quattro 2002:

• 31a
• Exterior lights system
• Fuse 15a
• Fuse holder/ relay panel
• Info not available
• Shift lock solenoid
• Tiptronic switch
• Transmission control module (tcm)

STARTING/CHARGING

Charging Wiring Diagram for Audi A4 Quattro 2002

List of elements for Charging Wiring Diagram for Audi A4 Quattro 2002:

• 150a
• 86s
• Battery
• Fuse strip (main fuse)
• G11 (battery box)
• Generator
• Generator warning light
• Ignition/ starter switch
• Instrument cluster
• Nca
• Red
• Starter
• T32
• T32a

Starting Wiring Diagram, 5 Speed A/T for Audi A4 Quattro 2002

List of elements for Starting Wiring Diagram, 5 Speed A/T for Audi A4 Quattro 2002:

• 150a
• 50b
• 50z
• Battery
• Charging circuit
• Fuse strip (main fuse)
• G11 (battery box)
• G12 (left side of eng compt)
• Ignition/ starter switch
• Multi-function transmission range (tr) switch
• Nca
• Red
• Starter
• Starter interlock alarm system relay

Starting Wiring Diagram, M/T for Audi A4 Quattro 2002

List of elements for Starting Wiring Diagram, M/T for Audi A4 Quattro 2002:

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

Starting Wiring Diagram, with CVT for Audi A4 Quattro 2002

List of elements for Starting Wiring Diagram, with CVT for Audi A4 Quattro 2002:

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

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Audi A4 Quattro 2002

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Audi A4 Quattro 2002:

• (in left luggage compartment)
• (lower right "b" pillar)
• (no connection)
• 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 head air bag igniter (if equipped)
• Driver's side side air bag igniter
• Driver's side side rear air bag igniter
• High bus
• Hot at all times
• Ignition starter/ switch
• Low bus
• Motronic engine control module (ecm)
• Nca
• Off
• Passenger's side air bag igniter 1
• Passenger's side head air bag igniter (if equipped)
• Passenger's side side air bag igniter
• Passenger's side side rear air bag igniter
• Red
• Run
• Shorting contact
• Solid state
• Start
• Telephone/telematic control module

Supplemental Restraints Wiring Diagram (2 of 2) for Audi A4 Quattro 2002

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Audi A4 Quattro 2002:

• (in left luggage compartment)
• Air bag control module
• Air bag malfunction indicator lamp (mil)
• Data link connector (dlc) (partial)
• Driver's front air bag crash sensor
• Driver's seat belt tensioner igniter 1
• Driver's side side air bag crash sensor
• Driver's side side rear air bag crash sensor
• Front interior light
• Instrument cluster
• Interior lights system
• Key switch for switching off passenger side air bag (if equipped)
• Nca
• Passenger's front air bag crash sensor
• Passenger's seat belt tensioner igniter 2
• Passenger's side side air bag crash sensor
• Passenger's side side rear air bag crash sensor
• Red
• Solid state
• T32a

TRANSMISSION

A/T Wiring Diagram, with CVT for Audi A4 Quattro 2002

List of elements for A/T Wiring Diagram, with CVT for Audi A4 Quattro 2002:

• (left side of engine compt)
• (lower right "a" pillar) g43
• 31a
• 50b
• Computer data lines system
• Data link connector (below
• Engine control module
• Exterior lights system (backup lights)
• Fuse 10a
• Fuse 15a
• Fuse for automatic transmission
• Fuse holder (left kick panel)
• G12
• Hot at all times
• Hot w/ ecm relay energized
• Ignition switch
• Instrument cluster
• Interior lights system
• Left side of dash)
• Off
• Park/ neutral position (pnp) relay (in e-box plenum chamber)
• Run
• Shift lock solenoid (under center console)
• Start
• Starting system (starter)
• T32a
• Tiptronic switch (in shift mechanism cover)
• Transmission control module (tcm) (back end of transmission)

A/T Wiring Diagram, without CVT for Audi A4 Quattro 2002

List of elements for A/T Wiring Diagram, without CVT for Audi A4 Quattro 2002:

• (in shift meachanism cover) tiptronic switch
• (lower
• (pins 56-84 not used)
• (under center console) shift lock solenoid
• 31a
• Computer data lines system
• Data link connector (below left side of dash)
• Engine compt)
• Engine control module (left plenum chamber, in e-box)
• Exterior lights system (backup)
• Fuse 10a
• Fuse 15a
• Fuse holder (left kick panel)
• G12 (left side
• G12 (left side of
• G43
• Hot at all times
• If equipped
• Ignition switch
• Instrument cluster
• Interior lights system
• Multifunction transmission range switch (left side of transmission)
• Of engine compt)
• Off
• Pressure control valves
• Red
• Right "a" pillar)
• Run
• Solenoid valves
• Start
• Starting system (interlock relay)
• T32a
• Transmission control module (tcm) (left plenum chamber, in e-box)
• Transmission fluid temperature sensor
• Transmission output speed sensor (on trans housing)
• Transmission speed sensor (on trans housing)
• Valve body

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Audi A4 Quattro 2002

List of elements for Trunk Release Wiring Diagram for Audi A4 Quattro 2002:

• Comfort system central control module
• G50 (left side of luggage compt)
• Rear lid unlock motor
• Remote power trunk lid release switch info not available

WARNING SYSTEMS

Warning Systems Wiring Diagram for Audi A4 Quattro 2002

List of elements for Warning Systems Wiring Diagram for Audi A4 Quattro 2002:

• (lower right "a" pillar)
• 12a
• 86s
• Fuse 10a
• Fuse holder
• G12 (left side of eng compt)
• G43
• Hot at all times
• Ignition switch
• Instrument cluster
• Left front brake pad wear sensor
• Nca
• Red
• Right front brake pad wear sensor
• T32
• T32a

WIPER/WASHER

Headlamp Washer Wiring Diagram for Audi A4 Quattro 2002

List of elements for Headlamp Washer Wiring Diagram for Audi A4 Quattro 2002:

• G44 lower left "a" pillar)
• Headlight washer pump
• T10b
• Vehicle electrical system control module

Jet Heater Wiring Diagram for Audi A4 Quattro 2002

List of elements for Jet Heater Wiring Diagram for Audi A4 Quattro 2002:

• Fuse 5a
• Fuse holder
• G43 (lower right "a" pillar)
• Hot in on
• Left washer nozzle heater

Wiper/Washer Wiring Diagram for Audi A4 Quattro 2002

List of elements for Wiper/Washer Wiring Diagram for Audi A4 Quattro 2002:

• (avant)
• 13a
• 36a
• 37a
• Acc
• Acc run
• Computer data lines system
• Fuse 10a
• Fuse 150a
• Fuse 25a
• Fuse holder
• Fuse strip (main fuse)
• G43 (lower right "a" pillar)
• G53 (right rear lid)
• Hot at all times
• Hot with load reduction relay energized
• Ignition/ starter switch
• Nca
• Off
• Rear windshield wiper motor (avant)
• Red
• Run
• Start
• Steering column electronic systems control module (top of steering column)
• T10b
• T16a
• T23
• T32b
• Vehicle electrical system control module (behind left side of dash, below 9 pin relay carrier)
• W/ avant
• Windshield washer pump
• Windshield wiper motor
• Windshield wiper/washer switch