Diagram sections — 31 (65 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram for Audi A4 Avant Quattro 2002 List of elements for Automatic A/C Wiring Diagram for Audi A4 Avant Quattro 2002: 36 (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 Avant Quattro 2002 List of elements for Anti-lock Brakes Wiring Diagram for Audi A4 Avant Quattro 2002: 42 (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 Avant Quattro 2002 List of elements for Anti-theft Wiring Diagram for Audi A4 Avant Quattro 2002: 31 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 Avant Quattro 2002 List of elements for Body Control Modules Wiring Diagram for Audi A4 Avant Quattro 2002: 26 (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 Avant Quattro 2002 List of elements for Data Link Connector Wiring Diagram for Audi A4 Avant Quattro 2002: 28 (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 Avant Quattro 2002 List of elements for High/Low Bus Wiring Diagram for Audi A4 Avant Quattro 2002: 23 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 Avant Quattro 2002 List of elements for Cooling Fan Wiring Diagram for Audi A4 Avant Quattro 2002: 10 (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 Avant Quattro 2002 List of elements for Heated Mirrors Wiring Diagram for Audi A4 Avant Quattro 2002: 18 (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 Avant Quattro 2002 List of elements for Rear Defogger Wiring Diagram for Audi A4 Avant Quattro 2002: 14 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 Avant Quattro 2002 List of elements for Electronic Power Steering Wiring Diagram for Audi A4 Avant Quattro 2002: 8 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 Avant Quattro 2002 List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Avant Quattro 2002: 27 (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 Avant Quattro 2002 List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Avant Quattro 2002: 16 (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 Avant Quattro 2002 List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Avant Quattro 2002: 26 (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 Avant Quattro 2002 List of elements for 1.8L, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Avant Quattro 2002: 19 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 Avant Quattro 2002 List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 4) for Audi A4 Avant Quattro 2002: 27 (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 Avant Quattro 2002 List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 4) for Audi A4 Avant Quattro 2002: 18 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 Avant Quattro 2002 List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 4) for Audi A4 Avant Quattro 2002: 26 (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 Avant Quattro 2002 List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 4) for Audi A4 Avant Quattro 2002: 19 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 Avant Quattro 2002 List of elements for Backup Lamps Wiring Diagram, with A/T for Audi A4 Avant Quattro 2002: 21 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 Avant Quattro 2002 List of elements for Backup Lamps Wiring Diagram, with M/T for Audi A4 Avant Quattro 2002: 14 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 Avant Quattro 2002 List of elements for Exterior Lamps Wiring Diagram for Audi A4 Avant Quattro 2002: 46 (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 Avant Quattro 2002 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Audi A4 Avant Quattro 2002: 26 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 Avant Quattro 2002 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Audi A4 Avant Quattro 2002: 24 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 Avant Quattro 2002 List of elements for Headlights Wiring Diagram, Standard for Audi A4 Avant Quattro 2002: 25 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 Avant Quattro 2002 List of elements for Headlights Wiring Diagram, with High Intensity Gas Discharge Lamps for Audi A4 Avant Quattro 2002: 40 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 Avant Quattro 2002 List of elements for Horn Wiring Diagram for Audi A4 Avant Quattro 2002: 13 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 Avant Quattro 2002 List of elements for Instrument Cluster Wiring Diagram for Audi A4 Avant Quattro 2002: 61 (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 Avant Quattro 2002 List of elements for Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi A4 Avant Quattro 2002: 23 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 Avant Quattro 2002 List of elements for Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi A4 Avant Quattro 2002: 34 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 Avant Quattro 2002 List of elements for Courtesy Lamps Wiring Diagram, Except Avant (1 of 2) for Audi A4 Avant Quattro 2002: 23 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 Avant Quattro 2002 List of elements for Courtesy Lamps Wiring Diagram, Except Avant (2 of 2) for Audi A4 Avant Quattro 2002: 34 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 Avant Quattro 2002 List of elements for Instrument Illumination Wiring Diagram for Audi A4 Avant Quattro 2002: 32 (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 Avant Quattro 2002 List of elements for Memory Systems Wiring Diagram (1 of 2) for Audi A4 Avant Quattro 2002: 17 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 Avant Quattro 2002 List of elements for Memory Systems Wiring Diagram (2 of 2) for Audi A4 Avant Quattro 2002: 22 (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 Avant Quattro 2002 List of elements for Navigation Wiring Diagram for Audi A4 Avant Quattro 2002: 24 (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 Avant Quattro 2002 List of elements for Power Distribution Wiring Diagram (1 of 2) for Audi A4 Avant Quattro 2002: 78 (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 Avant Quattro 2002 List of elements for Power Distribution Wiring Diagram (2 of 2) for Audi A4 Avant Quattro 2002: 38 (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 Avant Quattro 2002 List of elements for Power Door Locks Wiring Diagram (1 of 2) for Audi A4 Avant Quattro 2002: 34 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 Avant Quattro 2002 List of elements for Power Door Locks Wiring Diagram (2 of 2) for Audi A4 Avant Quattro 2002: 24 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 Avant Quattro 2002 List of elements for Automatic Day/Night Mirror Wiring Diagram for Audi A4 Avant Quattro 2002: 11 (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 Avant Quattro 2002 List of elements for Exterior Power Mirror Wiring Diagram, with Fold-Back Mirrors for Audi A4 Avant Quattro 2002: 22 (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 Avant Quattro 2002 List of elements for Exterior Power Mirror Wiring Diagram, without Fold-Back Mirrors for Audi A4 Avant Quattro 2002: 22 (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 Avant Quattro 2002 List of elements for Heated Seats Wiring Diagram for Audi A4 Avant Quattro 2002: 24 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 Avant Quattro 2002 List of elements for Power Seats Wiring Diagram for Audi A4 Avant Quattro 2002: 22 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 Avant Quattro 2002 List of elements for Power Top/Sunroof Wiring Diagram for Audi A4 Avant Quattro 2002: 12 (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 Avant Quattro 2002 List of elements for Power Windows Wiring Diagram for Audi A4 Avant Quattro 2002: 44 (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 Avant Quattro 2002 List of elements for Rear Window Sun Shade Wiring Diagram for Audi A4 Avant Quattro 2002: 12 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 Avant Quattro 2002 List of elements for Radio Wiring Diagram, Bose for Audi A4 Avant Quattro 2002: 36 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 Avant Quattro 2002 List of elements for Radio Wiring Diagram, with Amplifier for Audi A4 Avant Quattro 2002: 37 (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 Avant Quattro 2002 List of elements for Radio Wiring Diagram, without Amplifier for Audi A4 Avant Quattro 2002: 33 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 Avant Quattro 2002 List of elements for Shift Interlock Wiring Diagram, with CVT for Audi A4 Avant Quattro 2002: 8 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 Avant Quattro 2002 List of elements for Shift Interlock Wiring Diagram, with Tiptronic for Audi A4 Avant Quattro 2002: 8 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 Avant Quattro 2002 List of elements for Charging Wiring Diagram for Audi A4 Avant Quattro 2002: 14 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 Avant Quattro 2002 List of elements for Starting Wiring Diagram, 5 Speed A/T for Audi A4 Avant Quattro 2002: 14 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 Avant Quattro 2002 List of elements for Starting Wiring Diagram, M/T for Audi A4 Avant Quattro 2002: 12 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 Avant Quattro 2002 List of elements for Starting Wiring Diagram, with CVT for Audi A4 Avant Quattro 2002: 15 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 Avant Quattro 2002 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Audi A4 Avant Quattro 2002: 28 (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 Avant Quattro 2002 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Audi A4 Avant Quattro 2002: 20 (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 Avant Quattro 2002 List of elements for A/T Wiring Diagram, with CVT for Audi A4 Avant Quattro 2002: 28 (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 Avant Quattro 2002 List of elements for A/T Wiring Diagram, without CVT for Audi A4 Avant Quattro 2002: 37 (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 Avant Quattro 2002 List of elements for Trunk Release Wiring Diagram for Audi A4 Avant Quattro 2002: 4 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 Avant Quattro 2002 List of elements for Warning Systems Wiring Diagram for Audi A4 Avant Quattro 2002: 16 (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 Avant Quattro 2002 List of elements for Headlamp Washer Wiring Diagram for Audi A4 Avant Quattro 2002: 4 G44 lower left "a" pillar) Headlight washer pump T10b Vehicle electrical system control module Jet Heater Wiring Diagram for Audi A4 Avant Quattro 2002 List of elements for Jet Heater Wiring Diagram for Audi A4 Avant Quattro 2002: 5 Fuse 5a Fuse holder G43 (lower right "a" pillar) Hot in on Left washer nozzle heater Wiper/Washer Wiring Diagram for Audi A4 Avant Quattro 2002 List of elements for Wiper/Washer Wiring Diagram for Audi A4 Avant Quattro 2002: 33 (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
