Diagram sections — 32 (98 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL 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 (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Audi S4 Avant Quattro 2004: 33 (behind left kick panel) g44 (left center of fire- wall) g12 13a 150a 25a 26a 44a A/c compressor regulator valve A/c control head Acc Computer data lines system Defogger system Driver's seat heater Fresh air blower control module (behind right end of dash) Fuse 10a Fuse 30a Fuse 5a Fuse holder (left end of dash) G33 (behind right side of dash) Hot at all times Hot in run or start Ignition/ starter switch Left vent temperature sensor (behind left end of dash, in air duct) Main fuse (at battery positive terminal) Off Passenger's seat heater Red Right vent temperature sensor (behind right end of dash, in air duct) Run Seats system Solar cells (if equipped) Start W/ rear heated seats Automatic A/C Wiring Diagram (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Audi S4 Avant Quattro 2004: 25 (left center of firewall) g12 Air conditioning controls Air flow flap motor/ position sensor Air quality sensor (right rear of eng compt) Airbag spiral spring/ return spring w/ slip ring Central air flap motor/ position sensor Computer data lines system Defroster flap motor/ position sensor Evaporator vent temperature sensor (behind right end of dash) Fresh air intake duct temperature sensor (behind right end of dash) G33 (w/o conv) (behind right side of dash) G49 (w/ conv) (behind left side of dash) Heated front window High pressure sensor Left footwell vent temperature sensor (below center of dash) Left temperature flap actuator/ potentiometer Recirculation flap motor/ position sensor Red Right footwell vent temperature sensor (below center of dash) Right temperature flap actuator/ potentiometer Steering column electronic systems control module (at top of steering column) Steering wheel control unit Sunlight photo sensor (on top center of dash) T16a Windshield heating voltage converter (if equipped)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Anti-lock Brakes Wiring Diagram for Audi S4 Avant Quattro 2004: 58 (behind right side of dash) g33 (on left of firewall, near coolant reservoir) 13a 14a 42a Abs control module (on left side of engine compt) Abs control module fuse 1 Abs return flow pump Acc Anti-slip control switch Anti-theft system Brake light switch (above brake pedal, on bracket) Computer data lines system Data link connector (dlc) Fuse 10a Fuse 25a Fuse 50a Fuse holder (left end of dash) G12 G33 (w/o conv) (behind right side of dash) G49 (w/ conv) (behind left side of dash) High pressure switch valve 1 High pressure switch valve 2 Hot at all times Hot in on or start Ignition/ starter switch Instrument cluster Instrument cluster system Interior lights system Left front abs inlet valve Left front abs outlet valve Left front abs wheel speed sensor Left rear abs inlet valve Left rear abs outlet valve Left rear abs wheel speed sensor Navigation control module (w/o convertible) (at left rear of luggage compt) Nca Off Parking brake warning light switch Red Right front abs inlet valve Right front abs outlet valve Right front abs wheel speed sensor Right rear abs inlet valve Right rear abs outlet valve Right rear abs wheel speed sensor Rotation rate sender Run Start Steering angle sensor Steering angle sensor 1 (convertible) brake booster sender 1 (w/o convertible) Steering column electronic systems control module (in top of steering column) T16a T26 T32 T32a Traction control pilot valve 1 Traction control pilot valve 2
ANTI-THEFT Anti-theft Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004 List of elements for Anti-theft Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004: 31 24a 38a A66 A76 Alarm horn Anti-lock brakes system B154 Backup lamps circuit Central locking/ anti-theft alarm system antenna Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Data link connector (dlc) (under left side of dash) Front hood switch Fuse 15a Fuse 20a Fuse holder (left end of dash) G12 (on left center of firewall, near coolant reservoir) G33 (behind right side of dash) G49 (behind left side of dash) G662 (left rear side of vehicle) G663 (right rear side of vehicle) Hot at all times Instrument cluster Nca Parking brake warning light switch T2s T32 T32a T3f Trunk lid alarm switch Trunk lock alarm/central locking switch Anti-theft Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004 List of elements for Anti-theft Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004: 43 24a 38a A24 A66 A76 Alarm horn Antenna suppression filter Anti-lock brakes system Avant only B154 Backup lamps circuit Central locking/ anti-theft alarm system antenna Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Data link connector (dlc) (under left side of dash) Defogger system Front hood switch Fuse 15a Fuse 20a Fuse holder (left end of dash) G12 (on left center of firewall, near coolant reservoir) G33 (behind right side of dash) G44 (lower left "a" pillar) G50 (except avant) (left side of luggage compt) G52 (avant) (left rear trunk lid) G53 (right rear trunk lid) G78 (at base of right "b" pillar) Hot at all times Instrument cluster Left rear broken window glass sensor Nca Parking brake warning light switch Radar interior monitoring control module (at top center of roof, in interior light assembly) Rear window defogger Right rear broken window glass sensor T12h T12i T16i T20g T32 T32a Trunk lid alarm switch Trunk lock alarm/central locking switch
BODY CONTROL MODULES Body Control Modules Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004 List of elements for Body Control Modules Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004: 17 24a 38a Anti-theft system Anti-theft, anti-lock brakes systems Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Door locks system Exterior lights system Fuse 15a Fuse 20a Fuse holder (behind left end of dash) G49 (behind left side of dash) Hot at all times Interior lights system Nca Power tops system Sound system Body Control Modules Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004 List of elements for Body Control Modules Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004: 31 24a 38a Anti-theft system Anti-theft, anti-lock brakes systems Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Door locks system Driver side door control module Exterior lights system Fuse 15a Fuse 20a Fuse holder (behind left end of dash) G44 (lower left "a" pillar) Hot at all times Interior lights system Left rear door control module Nca Passenger side door control module Power tops system Right rear door control module Sound system Sunroof motor T10e T10f T10g T10h T12h T12i T16h T16i T20g
COMPUTER DATA LINES Data Link Connector Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Data Link Connector Wiring Diagram for Audi S4 Avant Quattro 2004: 35 (5-speed) (6-speed) (base of left seat) comfort system central control module (behind left side of dash) g49 (w/ conv) g33 (w/o conv) (cvt) (left rear of engine compt) (w/ a/t) transmission control module (left rear of engine compt) motronic engine control module (w/ conv) (w/o conv) 12a 31a A/c control head Abs control module (left side of engine compt) Air bag control module (below center console) Control module for navigation w/ cd-mechanism (left rear of luggage compt) Convertible top control module (w/ conv) (at right qtrpanel) Data link connector (under left side of dash) Fuse 10a Fuse 15a Fuse holder (left end of dash) Headlight range control module (behind glove box) Hot in on or start Instrument cluster Left entry assistance control module (w/ conv) Memory seat control module (under left seat) Radio Right entry assistance control module (w/ conv) T16i T32a T32e T32g T32h T42 T8e Telephone/ telematic control module (base of right seat) High/Low Bus Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for High/Low Bus Wiring Diagram for Audi S4 Avant Quattro 2004: 39 5-speed a/t 6-speed a/t A/c control head Abs control module (left side of engine compt) Airbag control module (below center console) Comfort system central control module (near base of left front seat) Control module for navigation w/ cd- mechanism Convertible top control module (w/ convertible) (at right quarterpanel, behind trim) Cvt a/t Driver side door control module (integral w/ window regulator motor) Instrument cluster Left entry assistance control module (w/ convertible) Left rear window regulator motor (w/ convertible) Memory seat control module (under left front seat) Motronic engine control module (left rear of engine compt) Parking aid control module (at left rear of luggage compt) Passenger side door control module (integral w/ window regulator motor) Radio Right entry assistance control module (w/ convertible) Right rear window regulator motor (w/ convertible) Steering column electronic systems control module (at top of steering column) T10e T10f T16a T16f T16i T20e T32 T32a T32b T32e T32h T42 Telephone/ telematic control module Towing sensor control module Transmission control module (left rear of engine compt) Vehicle electrical system control module (behind left side of dash) W/ convertible W/o convertible
COOLING FAN Cooling Fan Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Cooling Fan Wiring Diagram for Audi S4 Avant Quattro 2004: 22 (on top of radiator fan shroud) coolant fc (fan control) control module 2 4-pin relay carrier (behind left end of dash) Coolant fan Coolant fan 2 (w/ trailer socket) Coolant fan fuse 42 40a Coolant fc (fan control) control module (on top of radiator fan shroud) Engine controls system Fuse 150a Fuse 5a Fuse holder (left end of dash) Fuse strip (main fuse) G26 (left side of engine compt, under abs hydraulic unit) Hot at all times Motronic engine control module (in plenum chamber e-box, at left rear of engine compartment) Nca Radiator after-run fuse 214 40a Red Right coolant fan T2o T2p T6n T6o
CRUISE CONTROL Cruise Control Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Cruise Control Wiring Diagram for Audi S4 Avant Quattro 2004: 25 (behind left side of dash) (w/ convertible) g49 (w/o convertible) g33 (behind right side of dash) 1.8l 13a 4.2l Acc Acc run Brake- light switch Clutch vacuum vent valve switch (m/t) Computer data lines system Cruise control switch Fuse 10a Fuse panel (left end of dash) Hot at all times Hot in run or start Ignition/ starter switch Motronic engine control module (left rear of engine compartment) Nca Off Run Start Steering column electronic systems control module (top of steering column) T16a Throttle position (tp) sensor (above accelerator sensor) Throttle valve control module (on throttle body)
DEFOGGERS Heated Mirrors Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Heated Mirrors Wiring Diagram for Audi S4 Avant Quattro 2004: 17 (w/ conv: behind right kick panel) (w/o conv: lower right 'a" pillar) 22a A/c control head Computer data lines system Driver side door control module (integral with window regulator motor) Driver side outside mirror Fuse 15a Fuse holder (left end of dash) G43 G44 (w/ conv: behind left kick panel) (w/o conv: lower left 'a" pillar) Hot at all times Passenger side door control module (integral with window regulator motor) Passenger side outside mirror T10e T10f T16b T16c Rear Defogger Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004 List of elements for Rear Defogger Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004: 8 26a A/c control head Convertible top control module (at right quarterpanel behind trim) Fuse 30a Fuse holder (left end of dash) G662 (left rear side of vehicle) Heated rear window Hot at all times Rear Defogger Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004 List of elements for Rear Defogger Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004: 18 26a A/c control head Anti-theft system Avant Except avant Fuse 30a Fuse holder (left end of dash) G52 (left rear trunk lid) G53 (right rear trunk lid) G58 (near rear window wiper motor) G73 (center rear of roof) Heated rear window Hot at all times Nca Rear window defogger w/ window antenna Sound systems Windshield antenna suppression filter Windshield antenna suppression filter (w/ radio)
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Electronic Power Steering Wiring Diagram for Audi S4 Avant Quattro 2004: 12 Abs control module (left side of engine compt) Acc run G44 (w/ conv: behind left kick panel) (w/o conv: lower left "a" pillar) Hot at all times Ignition/ starter switch Instrument cluster Off Servotronic control module (on 9-pin relay carrier) Servotronic solenoid valve Start T32a W/o convertible
ENGINE PERFORMANCE
4.2L 4.2L, Engine Performance Wiring Diagram (1 of 4) for Audi S4 Avant Quattro 2004 List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 4) for Audi S4 Avant Quattro 2004: 23 (left center of firewall) g12 (left rear of engine compt) e-box relay carrier Brake- light switch Clutch vacuum vent valve switch (m/t) Fuse 10a Fuse 15a Fuse 40a Fuse holder (left end of dash) G12 (left center of firewall) Heated oxygen sensor (on exhaust system) Heated oxygen sensor 2 (on exhaust system) Hot at all times Hot in run or start Mass airflow (maf) sensor (right rear of engine compt) Motronic engine control module (left rear of engine compt) Oxygen sensor (behind twc) Oxygen sensor 2 (behind twc) Red Secondary air injection (air) pump relay Secondary air injection pump motor Steering column electronic systems control module (top of steering column) T16a Throttle position (tp) & accelerator pedal position (app) sensors (above accelerator pedal) 4.2L, Engine Performance Wiring Diagram (2 of 4) for Audi S4 Avant Quattro 2004 List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 4) for Audi S4 Avant Quattro 2004: 14 (if equipped) after-run coolant pump (left center of firewall) g12 (on e-box relay carrier) (if equipped) coolant circulation pump relay (on engine) engine coolant temperature (ect) sensor (right rear of engine compt) evaporative emission (evap) canister purge regulator valve Engine speed (rpm) sensor (left rear of engine) Knock sensor (ks) 1 Knock sensor (ks) 2 Knock sensor (ks) 3 Knock sensor (ks) 4 Leak detection pump (ldp) (left rear wheelwell) Nca Red Secondary air injection (air) solenoid valve (top left rear of engine) 4.2L, Engine Performance Wiring Diagram (3 of 4) for Audi S4 Avant Quattro 2004 List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 4) for Audi S4 Avant Quattro 2004: 35 (front of left cylinder head) camshaft adjustment valve 2 (front of right cylinder head) camshaft adjustment valve 1 (left rear of engine compt) e-box relay carrier (mil) (under left side of dash) data link connector Camshaft position sensor Camshaft position sensor 2 Coil 1 Coil 2 Coil 3 Coil 4 Coil 5 Coil 6 Coil 7 Coil 8 Computer data lines system Exhaust flap valve Fuse 15a Fuse 20a Fuse holder (left end of dash) G12 (left center of firewall) G19 (near ignition coil) Hot at all times Ignition switch Instrument cluster Malfunction indicator lamp Nca Off Red Run Start T32a/12 T32a/13 T32a/23 To spark plug 4.2L, Engine Performance Wiring Diagram (4 of 4) for Audi S4 Avant Quattro 2004 List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 4) for Audi S4 Avant Quattro 2004: 21 150a 9-pin relay carrier (behind left side of dash) Cooling fans system E-box relay carrier (left rear of engine compt) Fuel injectors Fuel pump motor Fuel pump relay Fuse 15a Fuse 20a Fuse holder (left end of dash) G78 (lower right "b" pillar) Hot at all times Intake manifold change- over valve Left electro- hydraulic engine mount solenoid Main fuse (on battery positive terminal) Motronic engine control module (left rear of engine compt) Red Relay plate Right electro- hydraulic engine mount solenoid Throttle valve control module (on throttle body) Transmission control module (left rear of engine compt)
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Backup Lamps Wiring Diagram for Audi S4 Avant Quattro 2004: 18 31a A/t Back-up Back-up light switch Comfort system central control module (near base of left front seat, in electronics box) Fuse 15a Fuse holder (left end of dash) G50 (left side of luggage compt) G78 (at base of right "b" pillar) Hot in run or start Left taillamp assembly M/t Park/neutral position (pnp) relay (relay carrier e-box) Right taillamp assembly T23 T32b Transmission control module (tcm) (in plenum chamber e-box, at left rear of eng compt) Vehicle electrical system control module (behind left side of dash) Exterior Lamps Wiring Diagram, Avant (High Line) for Audi S4 Avant Quattro 2004 List of elements for Exterior Lamps Wiring Diagram, Avant (High Line) for Audi S4 Avant Quattro 2004: 50 (behind right side of dash) g33 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) G33 (behind right side of dash) G43 (lower right "a" pillar) G50 (left side of luggage compt) G52 (left rear trunk lid) G78 (at base of right "b" pillar) Headlights system High- mount brake light Hot at all times Ignition/ starter switch Left headlight assembly Left side turn signal light Left taillamp assembly License plate lights Light switch 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 W/ high intensity headlights Exterior Lamps Wiring Diagram, Avant (Low Line) for Audi S4 Avant Quattro 2004 List of elements for Exterior Lamps Wiring Diagram, Avant (Low Line) for Audi S4 Avant Quattro 2004: 47 (behind right side of dash) g33 13a 14a Acc Acc run Brake light switch (above brake pedal, on bracket) Computer data lines system Emergency flasher switch Fuse 10a Fuse 150a Fuse holder (left end of dash) Fuse strip (main fuse) G12 (on left center of firewall, near coolant reservoir) G33 (behind right side of dash) G43 (lower right "a" pillar) G50 (left side of luggage compt) G52 (left rear trunk lid) G78 (at base of right "b" pillar) Headlights system High- mount brake light Hot at all times Ignition/ starter switch Left headlight assembly Left side turn signal light Left taillamp assembly License plate lights Light switch 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/ high intensity headlights Exterior Lamps Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004 List of elements for Exterior Lamps Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004: 46 (behind left side of dash) g49 13a 14a Acc Acc run Brake light switch (above brake pedal, on bracket) Computer data lines system Emergency flasher switch Fuse 10a Fuse 150a Fuse holder (left end of dash) Fuse strip (main fuse) G12 (on left center of firewall, near coolant reservoir) G33 (behind right side of dash) G43 (behind right kick panel) G44 (behind left kick panel) G661 (on convertible top housing) G662 (left rear side of vehicle) G663 (right rear side of vehicle) High- mount brake light Hot at all times Ignition/ starter switch Left headlight assembly Left side turn signal light Left taillamp assembly License plate lights Light switch 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) Exterior Lamps Wiring Diagram, without Convertible, Sedan for Audi S4 Avant Quattro 2004 List of elements for Exterior Lamps Wiring Diagram, without Convertible, Sedan for Audi S4 Avant Quattro 2004: 47 (behind right side of dash) g33 13a 14a Acc Acc run Brake light switch (above brake pedal, on bracket) Computer data lines system Emergency flasher switch Fuse 10a Fuse 150a Fuse holder (left end of dash) Fuse strip (main fuse) G12 (on left center of firewall, near coolant reservoir) G33 (behind right side of dash) G43 (lower right "a" pillar) G50 (left side of luggage compt) G78 (at base of right "b" pillar) Headlight assembly Headlights system High- mount brake light Hot at all times Ignition/ starter switch Left headlight assembly Left side turn signal light Left taillamp assembly License plate lights Light switch Nca Off Park Red Right 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/ high intensity headlights
GROUND DISTRIBUTION Ground Distribution Wiring Diagram, with Convertible (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Ground Distribution Wiring Diagram, with Convertible (1 of 2) for Audi S4 Avant Quattro 2004: 21 Battery Convertible top control module, convertible top operation hydraulic unit, high mount brake light, license plate light Coolant fc (fan control) control module Driver's backrest heating element, driver's heated seat side bolster heater G11 (at rear of engine compt, near battery box) G18 (on front of right valve cover) G26 (on left side of eng compt, under abs hydraulic unit) G32 (behind left kick panel) G43 (behind right kick panel) G44 (behind left kick panel) G49 (behind left side of dash) G661 (on convertible top housing) Headlight washer pump, driver side door control module Ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage ignition coil 5 w/ power output stage (3.0l), ignition coil 6 w/ power output stage (3.0l) Left instrument panel vent illumination, center instrument panel vent illumination, right instrument panel vent illumination, storage compartment illumination, cup holder illumination, coin holder illumination, tiptronic switch, clutch pedal position switch (m/t), shift lock Passenger side door control module Right headlight assembly, right side turn signal light Servotronic control module, front interior light, automatic day/night mirror, vehicle electronic system control module, left/right make-up mirror lights, headlight adjuster Solenoid (01j a/t), headlight range control module, rear center ashtray light Vehicle electrical system control module, light switch, data link connector (dlc), steering column electronic systems control module, comfort system central control module Windshield wiper motor, left washer nozzle heater, right washer nozzle heater, brake fluid level warning switch, air quality sensor Ground Distribution Wiring Diagram, with Convertible (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Ground Distribution Wiring Diagram, with Convertible (2 of 2) for Audi S4 Avant Quattro 2004: 23 Airbag control module, left/ right seat belt switches, driver's side side airbag crash sensor, passenger side side airbag crash sensor, drivers front airbag crash sensor, passengers front airbag crash sensor Convertible top operation switch, convertible top operation hydraulic unit, convertible top compartment latch switch (unlock), left convertible top compartment cover switch, right compartment cover locked switch, convertible top compartment enclosure position switch, compartment cover open position switch, convertible top open/closed top lock switches, convertible top open position, convertible top closed position switch, right convertible top lock switch Driver's seat adjustment switch, left entry assistance control module, driver's seat lumber support adjustment switch, memory seat control module Driver's side side airbag igniter, passenger side side airbag igniter G12 (on left center of firewall, near coolant reservoir) G33 (behind right side of dash) G610 (under center console, behind shift lever) G637 G662 (left rear side of vehicle) G663 (right rear side of vehicle) Heated rear window Instrument panel, emergency flasher switch, cigarette lighter, ashtray light, anti slip control switch, glove compartment light switch, park brake warning light switch, fresh air blower control module, a/c control head Left front fog light, right front fog light, high tone horn, low tone horn, garage door opener control module Left headlight assembly, left side turn signal light, left front brake pad wear sensor Left taillight assembly, trunk lock alarm/central locking switch, left rear window motor, left front seatbelt microswitch Motronic engine control module (ecm), after-run coolant pump (3.0l), brake system vacuum pump (a/t), ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage, ignition coil 5 w/ power output stage (3.0l), ignition coil 6 w/ power output stage (3.0l), oil level thermal sensor, transmission control module (tcm), multi-function transmission range switch (ag5 a/t), a/c compressor regulator valve Passenger power seat switch, front passenger seat lumbar support adjustment switch, right entry assistance control module Passenger's seat side bolster heater, passenger's backrest heating element Radio Radio (w/bose), telephone transceiver, telephone amplifier, control module for navigation w/ cd-mechanism, amplifier, amplifier shields (w/bose), Right rear window motor Right taillight assembly, fuel tank lock switch, socket, fuel pump, alarm horn Secondary air injection (air) pump motor, abs control module (w/ edl), high pressure sensor, front hood switch Ground Distribution Wiring Diagram, without Convertible (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Ground Distribution Wiring Diagram, without Convertible (1 of 2) for Audi S4 Avant Quattro 2004: 30 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, ashtray light, glove compartment light switch, anti-slip control switch, rear window shade switch, a/c control head, fresh air blower control module, shift lock solenoid, headlight range control module, clutch vacuum vent valve switch (m/t), center armrest illumination Coolant fc (fan control) control module, coolant fc (fan control) control module (4.2l), Driver's backrest heating element, driver's heated seat temperature sensor G11 (at rear of engine compt, near battery box) G18 (1.8l & 3.0l) (1.8l: at front of engine, near oil filler) (3.0l: on front of right valve cover) G19 (4.2l) (near ignition coil) G26 (left side of engine compt, under abs hydraulic unit) G32 (behind leftside of dash) G33 (behind right side of dash) G43 (lower right "a" pillar) G44 (lower left "a" pillar G52 (avant) (left rear trunk lid) G53 (right rear trunk lid) G58 (avant) (near rear window wiper motor) G73 (center rear of roof) Headlight washer pump, driver side door control module High mount brake light (avant), license plate light (avant), rear lid lock cylinder unlocking switch, rear lid unlock motor, trunk lid alarm switch, trunk lock alarm/ central locking switch Ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage ignition coil 5 w/ power output stage (3.0l), ignition coil 6 w/ power output stage (3.0l) Ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage ignition coil 5 w/ power output stage, ignition coil 6 w/ power output stage, ignition coil 7 w/ power output stage, ignition coil 8 w/ power output stage Left instrument panel vent illumination, comfort system central control module, servotronic control module, rear/center central locking switch Passenger side door control module Rear windshield wiper motor, rear window defogger (w/ window antenna), Right headlight assembly, right side turn signal light 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 Vehicle electrical system control module, light switch, emergency flasher switch, cigarette lighter, instrument panel, steering column electronic systems control module, parking brake warning light switch, data link connector (dlc) Windshield antenna suppression filter Windshield antenna suppression filter (w/ radio only) Windshield heating voltage converter Windshield wiper motor, left washer nozzle heater, right washer nozzle heater, brake fluid level warning switch, air quality sensor Ground Distribution Wiring Diagram, without Convertible (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Ground Distribution Wiring Diagram, without Convertible (2 of 2) for Audi S4 Avant Quattro 2004: 28 4.2l Airbag control module, left/ right seat belt switches 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, drivers front airbag crash sensor, passengers front airbag crash sensor Amplifier shields Driver's power seat switch, driver's seat lumbar support adjustment switch, memory seat control module Driver's side side airbag igniter, passenger side side airbag igniter, driver's side rear side airbag igniter, passenger side rear side airbag igniter Except avant Front passenger seat lumbar support adjustment switch, passenger power seat switch G12 (on left center of firewall, near coolant reservoir) G50 (left side of luggage compt) G610 (under center console, behind shift lever) G637 G77 (at base of left "b" pillar) G78 (at base of right "b" pillar) High-mount brake light, rear lid unlock motor, trunk lid alarm switch, trunk lock alarm/central locking switch, rear lid lock cylinder switch, license plate light Left front fog light, right front fog light, high tone horn, low tone horn, garage door opener control module Left headlight assembly, left side turn signal light, left front brake pad wear sensor Left rear door control module Left rear entry light, left rear door warning light, left rear door opener lighting, left rear central locking lock unit, left front seat belt micro switch Left taillight assembly, rear window shade control module, high-mount brake light (except avant) Motronic engine control module (ecm) (1.8l & 3.0l), after-run coolant pump (3.0l), brake system vacuum pump (a/t), ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage, ignition coil 5 w/ power output stage (3.0l), ignition coil 6 w/ power output stage (3.0l), speedometer vehicle speed sensor, oil level thermal sensor, transmission control module (tcm) (1.8l & 3.0l), multi-function transmission range (tr) switch (5-spd a/t), a/c compressor regulator valve Motronic engine control module (ecm), after-run coolant pump, ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage, ignition coil 5 w/ power output stage, ignition coil 6 w/ power output stage, ignition coil 7 w/ power output stage, ignition coil 8 w/ power output stage, transmission control module (tcm) Passenger's seat heating element, passenger's backrest heating element Radio Right rear door control module Right taillight assembly, left rear heated seat temperature sensor, left rear backrest heating element, right rear heated seat control module, right rear heated seat temperature sensor, right rear backrest heating element, socket, fuel pump, alarm horn, right rear central locking lock unit, right rear door warning light, right rear door opener lighting, right rear entry light Secondary air injection (air) pump motor, abs control module (w/ edl), high pressure sensor, front hood switch Telephone control module for operating electronics, control module for navigation w/ cd-mechanism, radio (w/ bose), amplifier Telephone/ telematic control module
HEADLIGHTS Headlights Wiring Diagram, with Convertible with High Intensity Gas Discharge Headlights for Audi S4 Avant Quattro 2004 List of elements for Headlights Wiring Diagram, with Convertible with High Intensity Gas Discharge Headlights for Audi S4 Avant Quattro 2004: 53 (w/ light sensor) 10a 56a 56b 9-pin relay carrier (in instrument panel) Acc Anti-lock brakes system Battery Computer data lines system Fog light switch Fuse 10a Fuse 150a Fuse holder (left end of dash) Fuse strip (main fuse) G12 (on left center of firewall, near coolant reservoir) G43 (behind right kick panel) G49 (behind left side of dash) G662 (left rear side of vehicle) Headlight range control module (behind glove box) Headlight switch High intensity gas discharge lamp Hot at all times Hot in run or start Ignition switch Instrument cluster system Interior lights system Left front fog light Left front level control system sensor (on left front suspension assembly, in wheelwell) Left headlight assembly Left headlight beam adjusting motor Left high beam head- light Left rear fog light Left rear level control system sensor (on left rear suspension assembly, in wheelwell) Light switch Load reduction relay Nca Off Red Right front fog light Right headlight assembly Right headlight beam adjusting motor Right high beam head- light Run Start Starting/ charging system Steering column electronic systems control module (top of steering column) T16a T23 T32b Transmissions system Turn signal switch (headlight dimmer switch) Vehicle electrical system control module (behind left side of dash) W/ light sensor Headlights Wiring Diagram, with Convertible with Standard Headlights for Audi S4 Avant Quattro 2004 List of elements for Headlights Wiring Diagram, with Convertible with Standard Headlights for Audi S4 Avant Quattro 2004: 35 56a 56b 9-pin relay carrier (in instrument panel) Acc Battery Computer data lines system Fog light switch Fuse 150a Fuse strip (main fuse) G12 (on left center of firewall, near coolant reservoir) G43 (behind right kick panel) G49 (behind left side of dash) G662 (left rear side of vehicle) Headlight switch Hot at all times Ignition switch Interior lights system Left front fog light Left headlight assembly Left rear fog light Light switch Load reduction relay Nca Off Red Right front fog light Right headlight assembly Run Start Steering column electronic systems control module (top of steering column) T23 T32b Turn signal switch (headlight dimmer switch) Vehicle electrical system control module (behind left side of dash) W/ light sensor Headlights Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights High Option Content for Audi S4 Avant Quattro 2004 List of elements for Headlights Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights High Option Content for Audi S4 Avant Quattro 2004: 53 (w/ light sensor) 10a 56a 56b 9-pin relay carrier (in instrument panel) Acc Anti-lock brakes system Battery Computer data lines system Fog light switch Fuse 10a Fuse 150a Fuse holder (left end of dash) Fuse strip (main fuse) G12 (on left center of firewall, near coolant reservoir) G33 (behind right side of dash) G43 (lower right "a" pillar) G662 (left rear side of vehicle) Headlight range control module (behind glove box) Headlight switch High intensity gas discharge lamp Hot at all times Hot in run or start Ignition switch Instrument cluster system Interior lights system Left front fog light Left front level control system sensor (on left front suspension assembly, in wheelwell) Left headlight assembly Left headlight beam adjusting motor Left high beam head- light Left rear fog light Left rear level control system sensor (on left rear suspension assembly, in wheelwell) Light switch Load reduction relay Nca Off Red Right front fog light Right headlight assembly Right headlight beam adjusting motor Right high beam head- light Run Start Starting/ charging system Steering column electronic systems control module (top of steering column) T16a T23 T32b Transmissions system Turn signal switch (headlight dimmer switch) Vehicle electrical system control module (behind left side of dash) W/ light sensor Headlights Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights Low Option Content for Audi S4 Avant Quattro 2004 List of elements for Headlights Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights Low Option Content for Audi S4 Avant Quattro 2004: 56 (w/ light sensor) 10a 20a 21a 56a 56b 9-pin relay carrier (in instrument panel) Acc Anti-lock brakes system Battery Computer data lines system Fog light switch Fuse 10a Fuse 150a Fuse 15a Fuse holder (left end of dash) Fuse strip (main fuse) G12 (on left center of firewall, near coolant reservoir) G33 (behind right side of dash) G43 (lower right "a" pillar) G662 (left rear side of vehicle) Headlight range control module (behind glove box) Headlight switch High intensity gas discharge lamp Hot at all times Hot in run or start Ignition switch Instrument cluster system Interior lights system Left front fog light Left front level control system sensor (on left front suspension assembly, in wheelwell) Left headlight assembly Left headlight beam adjusting motor Left high beam head- light Left rear fog light Left rear level control system sensor (on left rear suspension assembly, in wheelwell) Light switch Load reduction relay Nca Off Red Right front fog light Right headlight assembly Right headlight beam adjusting motor Right high beam head- light Run Start Starting/ charging system Steering column electronic systems control module (top of steering column) T16a T23 T32b Transmissions system Turn signal switch (headlight dimmer switch) Vehicle electrical system control module (behind left side of dash) W/ light sensor Headlights Wiring Diagram, without Convertible with Standard Headlights for Audi S4 Avant Quattro 2004 List of elements for Headlights Wiring Diagram, without Convertible with Standard Headlights for Audi S4 Avant Quattro 2004: 35 56a 56b 9-pin relay carrier (in instrument panel) Acc Battery Computer data lines system Fog light switch Fuse 150a Fuse strip (main fuse) G12 (on left center of firewall, near coolant reservoir) G33 (behind right side of dash) G43 (lower right "a" pillar) G662 (left rear side of vehicle) Headlight switch Hot at all times Ignition switch Interior lights system Left front fog light Left headlight assembly Left rear fog light Light switch Load reduction relay Nca Off Red Right front fog light Right headlight assembly Run Start Steering column electronic systems control module (top of steering column) T23 T32b Turn signal switch (headlight dimmer switch) Vehicle electrical system control module (behind left side of dash) W/ light sensor
HORN Horn Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Horn Wiring Diagram for Audi S4 Avant Quattro 2004: 17 40a Computer data lines system Fuse 25a Fuse holder (left end of dash) G12 (on left center of firewall, near coolant reservoir) High tone horn Horn relay (9-pin relay carrier) Horn switch Hot at all times Low tone horn Nca Steering column electronic systems control module (in top of steering column) T16a T32b T42 Telephone/telematic control module (near base of right front seat) Vehicle electrical system control module (behind left side of dash)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004 List of elements for Instrument Cluster Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004: 65 (at base of right front seat) (behind right side of dash) (left center of firewall) (left rear side of vehicle) g662 (right rear side of vehicle) g663 15a Abs control module (on left side of engine compartment) Acc Air bag mil Airbag control module (below center console) Ambient temperature switch (behind lower left center of front bumper) Anti-lock brakes system Anti-theft immobilzer induction coil Anti-theft system Board computer function selector switch ii Brake fluid level warning switch (on brake fluid reservoir) Buzzer Clock Computer data lines system Control module for navigation w/ cd-mechanism Driver's seat contact strip Ect gauge Engine coolant level (ecl) warning switch Engine coolant temperature (ect) sensor Fuel gauge Fuel gauge gauge sender Fuel level sensor 2 (quattro only) Fuel tank lock switch (if equipped) Fuse 10a Fuse holder (left end of dash) G12 G33 G49 (behind left side of dash) Gen warn ind Headlight range control module (behind glove box) Hot at all times Hot in run or start Ignition switch Instrument cluster Interior lights system Key switch Motronic engine control module (in plenum chamber e-box, at left rear engine compt) Off Oil level thermal sensor Oil pressure switch Radio Radio frequency controlled clock receiver (if equipped) Red Run Speedo- meter Start Starting/charging system Steering column electronic systems control module (in top of steering column) T16a T20d T20e T32 T32a T4m Tacho- meter Telephone/ telematic control module Tiptronic switch Transmission control module (left rear of eng compt) (w/o cvt) Warnings system Windshield washer fluid level warning switch Instrument Cluster Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004 List of elements for Instrument Cluster Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004: 67 (2003) (at base of left "b" pillar) g77 (at base of right front seat) (left side of eng compt) 15a Abs control module (on left side of engine compartment) Acc Air bag mil Airbag control module (below center console) Ambient temperature switch (behind lower left center of front bumper) Anti-lock brakes system Anti-theft immobilzer induction coil Anti-theft system Board computer function selector switch ii Brake fluid level warning switch (on brake fluid reservoir) Buzzer Clock Computer data lines system Computer data-lines system Control module for navigation w/ cd-mechanism Ect gauge Engine coolant level (ecl) warning switch Engine coolant temperature (ect) sensor Fuel gauge Fuel gauge gauge sender Fuel level sensor 2 (quattro only) Fuse 10a Fuse holder (left end of dash) G12 G33 (behind right side of dash) G43 (behind right kick panel) Gen warn ind Headlight range control module (behind glove box) Hot at all times Hot in run or start Ignition switch Instrument cluster Interior lights system Key switch Left front seat belt micro switch Motronic engine control module (in plenum chamber e-box, at left rear engine compt) Off Oil level thermal sensor Oil pressure switch Radio Radio frequency controlled clock receiver (if equipped) Red Run Servotronic control module (on 9 pin relay carrier) Speedo- meter Start Starting/charging system Steering column electronic systems control module (in top of steering column) T16a T18 T20d T20e T32 T32a T4m Tacho- meter Telephone control module for operating electronics Telephone/ telematic control module Tiptronic switch Transmission control module (left rear of eng compt) (w/o cvt) Warnings system Windshield washer fluid level warning switch
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi S4 Avant Quattro 2004: 32 (lower left "a" pillar) g44 Automatic day/night mirror Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Front interior light assembly Fuse 5a Fuse holder (left end of dash) G33 (behind right side of dash) G44 (lower left "a" pillar) Glove compartment light Glove compartment light switch Hot at all times Instrument illumination circuit Interior lights system (instrument illumination circuit) Left footwell light Left make-up mirror light Left make-up mirror light switch Left rear footwell light Luggage compartment light Pass side air bag off ind Rear crtsy Rear lid light Rear reading/ courtesy light Right footwell light Right make-up mirror light Right make-up mirror light switch Right rear footwell light T12h T16h T16i T32b Vehicle electrical system control module Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi S4 Avant Quattro 2004: 39 Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Driver door control module (integral with window regulator motor) Driver side central locking unit (door contact switch) Driver side door warning light G77 (at base of left "b" pillar) G78 (at base of right "b" pillar) Left front entry light Left rear central locking unit (door contact switch) Left rear door control module (integral with window regulator motor) Left rear door warning light Left rear entry light Passenger compartment monitoring switch (if equipped) Passenger side central locking unit (door contact switch) Passenger side door control module (integral with window regulator motor) Passenger side door warning light Power windows, mirrors, door locks systems, instrument illumination Right front entry light Right rear central locking unit (door contact switch) Right rear door control module (integral with window regulator motor) Right rear door warning light Right rear entry light T10e T10f T10g T10h T12 T12a T12b T12c T16d T16e T16h T16i T20g T32c T32d W/ rear power windows W/o rear power windows Courtesy Lamps Wiring Diagram, Convertible for Audi S4 Avant Quattro 2004 List of elements for Courtesy Lamps Wiring Diagram, Convertible for Audi S4 Avant Quattro 2004: 45 (behind left side of dash) g49 A194 A29 Automatic day/night mirror Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Door Driver door control module (integral with window regulator motor) Driver side central locking unit (door contact switch) Driver side door warning light Front interior light assembly Fuse 5a Fuse holder (left end of dash) G33 (behind right side of dash) G44 (behind left kick panel) Glove compartment light Glove compartment light switch Hot at all times Interior lights system (instrument illumination circuit) Left footwell light Left front entry light Left luggage compartment light Left make-up mirror light Left make-up mirror light switch Left rear footwell light Off Pass side air bag off ind Passenger compartment monitoring switch Passenger door control module (integral with window regulator motor) Passenger side central locking unit (door contact switch) Passenger side door warning light Power windows, mirrors, door locks systems, instrument illumination Right footwell light Right front entry light Right luggage compartment light Right make-up mirror light Right make-up mirror light switch Right rear footwell light T10e T10f T12 T12a T1e T32c T32d Courtesy Lamps Wiring Diagram, Sedan (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Courtesy Lamps Wiring Diagram, Sedan (1 of 2) for Audi S4 Avant Quattro 2004: 31 (lower left "a" pillar) g44 Automatic day/night mirror Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Front interior light assembly Fuse 5a Fuse holder (left end of dash) G33 (behind right side of dash) G44 (lower left "a" pillar) Glove compartment light Glove compartment light switch Hot at all times Interior lights system (instrument illumination circuit) Left footwell light Left luggage compartment light Left make-up mirror light Left make-up mirror light switch Left rear footwell light Pass side air bag off ind Rear crtsy Rear reading/ courtesy light Right footwell light Right luggage compartment light Right make-up mirror light Right make-up mirror light switch Right rear footwell light T12h T16h T16i T32b Vehicle electrical system control module Courtesy Lamps Wiring Diagram, Sedan (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Courtesy Lamps Wiring Diagram, Sedan (2 of 2) for Audi S4 Avant Quattro 2004: 41 control module (integral with window regulator motor) Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Driver door control module (integral with window regulator motor) Driver side central locking unit (door contact switch) Driver side door warning light G77 (at base of left "b" pillar) G78 (at base of right "b" pillar) Left front entry light Left rear central locking unit (door contact switch) Left rear door control module (integral with window regulator motor) Left rear door warning light Left rear entry light Passenger compartment monitoring switch (if equipped) Passenger side central locking unit (door contact switch) Passenger side door Passenger side door warning light Power windows, mirrors, door locks systems, instrument illumination Right front entry light Right rear central locking unit (door contact switch) Right rear door control module (integral with window regulator motor) Right rear door warning light Right rear entry light T10e T10f T10g T10h T12 T12a T12b T12c T16d T16e T16h T16i T20g T32c T32d W/ rear power windows W/o rear power windows Instrument Illumination Wiring Diagram, with Convertible (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Instrument Illumination Wiring Diagram, with Convertible (1 of 2) for Audi S4 Avant Quattro 2004: 37 A175 Anti-slip control switch Ashtray light Battery Board computer function selector switch ii Center instrument panel vent illumination Cigarette lighter Coin holder illumination Computer data lines system Convertible top operation switch Cup holder illumination Front interior light assembly Fuse 150a Fuse strip (main fuse) G33 (behind right side of dash) G43 (behind right kick panel) G44 (behind left kick panel) G49 (behind left side of dash) G663 (right rear side of vehicle) Garage door opener control head Instrument cluster Instrument cluster system Left instrument panel vent illumination Light switch Nca Rear center ashtray light Red Right instrument panel vent illumination Steering column electronic systems control module (in top of steering column) Storage compartment illumination T10j T16a T32 T32a T32b Tiptronic switch (if equipped) Vehicle electrical system control module (behind left side of dash) Instrument Illumination Wiring Diagram, with Convertible (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Instrument Illumination Wiring Diagram, with Convertible (2 of 2) for Audi S4 Avant Quattro 2004: 20 Computer data lines system Driver door window regulator switches Driver side door control module (integral with window regulator motor) Driver side door opener lighting Driver side interior lock switch Driver's seat memory program switch Mirror adjustment switch Passenger compartment monitoring switch Passenger door control module (integral with window regulator motor) Passenger door window regulator switch Passenger side door opener lighting Passenger side interior lock switch Power windows, mirrors, door locks systems, courtesy lamps circuit R52 R53 T10e T10f T32c T32d Trunk lid release switch Instrument Illumination Wiring Diagram, without Convertible (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Instrument Illumination Wiring Diagram, without Convertible (1 of 2) for Audi S4 Avant Quattro 2004: 42 Anti-slip control switch Ashtray light Battery Board computer function selector switch ii Center armrest illumination Center instrument panel vent illumination Cigarette lighter Coin holder illumination Computer data lines system Cup holder illumination Front interior light assembly Fuse 150a Fuse strip (main fuse) G33 (behind right side of dash) G44 (lower left "a" pillar) G77 (base of left "b" pillar) G78 (base of right "b" pillar) Garage door opener control head Instrument cluster Instrument cluster system Left instrument panel vent illumination Left rear door opener lighting Left rear heated seat control module Light switch Luggage compartment light (avant) Nca Radio connector Rear center ashtray light Rear window shade switch Red Right instrument panel vent illumination Right rear door opener lighting Right rear heated seat control module Steering column electronic systems control module (in top of steering column) Storage compartment illumination T10j T16a T32 T32a T32b Tiptronic switch (if equipped) Vehicle electrical system control module (behind left side of dash) Instrument Illumination Wiring Diagram, without Convertible (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Instrument Illumination Wiring Diagram, without Convertible (2 of 2) for Audi S4 Avant Quattro 2004: 20 Computer data lines system Driver door window regulator switches Driver side door control module (integral with window regulator motor) Driver side door opener lighting Driver side interior lock switch Driver's seat memory program switch Mirror adjustment switch Passenger compartment monitoring switch Passenger door control module (integral with window regulator motor) Passenger door window regulator switch Passenger side door opener lighting Passenger side interior lock switch Power windows, mirrors, door locks systems, courtesy lamps circuit R52 R53 Rear lid release switch T10e T10f T32c T32d
MEMORY SYSTEMS Memory Systems Wiring Diagram, with Convertible (1 of 4) for Audi S4 Avant Quattro 2004 List of elements for Memory Systems Wiring Diagram, with Convertible (1 of 4) for Audi S4 Avant Quattro 2004: 23 4-pin relay carrier (behind left end of dash) Backrest adjust Computer data lines system Driver's power seat switch Driver's seat headrest adjustment latch switch 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 Fore/aft adjust G662 (left rear side of vehicle) Headrest adjust Hot at all times Memory seat control module (under left front seat) Power seat fuse 45 30a Seat height adjust Slope adjust T10v T12g T32e T6n Memory Systems Wiring Diagram, with Convertible (2 of 4) for Audi S4 Avant Quattro 2004 List of elements for Memory Systems Wiring Diagram, with Convertible (2 of 4) for Audi S4 Avant Quattro 2004: 12 (left rear side of vehicle) g662 Computer data lines system Driver's seat fore/aft adjustment motor Driver's seat headrest adjustment motor Driver's seat seatback latch switch Left entry assistance control module Passenger's seat fore/aft adjustment motor Passenger's seat headrest adjustment motor Rear window shade switch (rear) Red T12h T32g Memory Systems Wiring Diagram, with Convertible (3 of 4) for Audi S4 Avant Quattro 2004 List of elements for Memory Systems Wiring Diagram, with Convertible (3 of 4) for Audi S4 Avant Quattro 2004: 27 (right rear side of vehicle) g663 4-pin relay carrier (behind left end of dash) Backrest adjust Computer data lines system Fore/aft adjust G663 (right rear side of vehicle) Headrest adjust Hot at all times Passenger's entry assistance switch Passenger's power seat switch Passenger's seat headrest adjustment latch switch Passenger's seat height adjustment motor Passenger's seat inclination adjustment motor Passenger's seat lumbar support adjustment switch Passenger's seat lumbar support curvature adjustment motor Passenger's seat lumbar support height adjustment motor Passenger's seat seatback adjustment motor Passenger's seat seatback latch switch Power seat fuse 46 30a Red Right entry assistance control module Seat height adjust T10w T12i T32h T6o Tilt adjust Memory Systems Wiring Diagram, with Convertible (4 of 4) for Audi S4 Avant Quattro 2004 List of elements for Memory Systems Wiring Diagram, with Convertible (4 of 4) for Audi S4 Avant Quattro 2004: 24 22a Computer data lines system De- fog Driver side door control module module (integral with window regulator motor) Driver's seat memory program control Driver's side outside folding mirror Fold- away Fuse 15a Fuse holder (left end of dash) G43 (behind right kick panel) G44 (behind left kick panel) Hot at all times Mirror adjustment switch Mirror fold away switch Mirror selector switch Nca Passenger side door control module (integral with window regulator motor) Passenger's side outside folding mirror Position T10e T10f T16b T16c T32c Memory Systems Wiring Diagram, without Convertible (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Memory Systems Wiring Diagram, without Convertible (1 of 2) for Audi S4 Avant Quattro 2004: 17 4-pin relay carrier (behind left end of dash) 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 (at base of left "b" pillar) Hot at all times Memory seat control module (under left front seat) Power seat fuse 30a Red T12g T32e Memory Systems Wiring Diagram, without Convertible (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Memory Systems Wiring Diagram, without Convertible (2 of 2) for Audi S4 Avant Quattro 2004: 25 22a Computer data lines system De- fog Driver side door control module module (integral with window regulator motor) Driver's seat memory program control Driver's side outside folding mirror Fold- away Fuse 15a Fuse holder (left end of dash) G43 (lower right "a" pillar) G44 (lower left "a" pillar) Hot at all times Interior lights system Mirror adjustment switch Mirror fold away switch Mirror selector switch Nca Passenger side door control module (integral with window regulator motor) Passenger's side outside folding mirror Position T10e T10f T16b T16c T32c
NAVIGATION Navigation Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Navigation Wiring Diagram for Audi S4 Avant Quattro 2004: 23 Backup lamps circuit Board computer function selector switch ii Computer data lines system Control module for navigation w/ cd-mechanism (at left rear of luggage compartment) Fuse 10a Fuse holder (left end of dash) G610 (under center console, behind shift lever) 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 (if equipped) (near base of right front seat)
POWER DISTRIBUTION Power Distribution Wiring Diagram, with Convertible (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Power Distribution Wiring Diagram, with Convertible (1 of 2) for Audi S4 Avant Quattro 2004: 82 10a 16a 22a 243a 30a 31a 33a 36a 37a 38a 50b 86s 9-pin relay carrier (behind left side of dash) A/c control head A32 A33 A34 A52 A57 Abs control module (w/edl) Abs control module fuse 1 Acc Acc run Air quality sensor, high pressure sensor Airbag control module Back-up light switch, automatic day/night interior mirror, data link connector (dlc), shift lock solenoid, multi-function transmission range (tr) switch, transmission control module, park/neutral position relay Battery Brake booster relay Brake light switch, clutch vacuum vent valve switch, abs control module (w/ edl), anti-slip control switch Cigarette lighter Convertible top control module Convertible top fuse 40a Convertible top operation hydraulic unit D50 Driver side door control module E-box relay carrier (left rear of engine compt) Fuel pump (fp) relay Fuse 10a Fuse 150a Fuse 15a Fuse 25a Fuse 30a Fuse 40a Fuse 50a Fuse 5a Fuse holder (left end of dash) Fuse strip (main fuse) G33 (behind right side of dash) Garage door opener control head, garage door opener control module Generator Headlight range control module Ignition/starter switch Instrument panel Instrument panel, steering column electronic systems control module Light switch Load reduction relay Motronic engine control module (ecm) Nca Off Oil level thermal sensor, telephone/telematic control module, board computer function selector switch ii, tiptronic switch, telephone control module for operating electronics, control module for navigation w/ cd-mechanism Passenger side airbag off indicator Passenger side door control module Radar interior monitoring control module, alarm horn, comfort system central control module Red Red b Run Secondary air injection (air) pump relay Servotronic control module Start Starter Starter, starter locking relay (clutch pedal switch), starter interlock alarm system relay, park/neutral position relay Steering column electronic systems control module T10b T32b Telephone amplifier Telephone/ 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, with Convertible (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Power Distribution Wiring Diagram, with Convertible (2 of 2) for Audi S4 Avant Quattro 2004: 48 12a 13a 14a 15a 24a 25a 26a 35a 39a 4-pin relay carrier (behind left end of dash) 40a 42a 44a A/c control head A98 Abs control module Brake light switch Comfort system central control module Control module for navigation w/ cd mechanism, instrument panel Coolant fan fuse 42 40a Coolant fc (fan control) module Data link connector (dlc) Driver side door control module, passenger side door control module Driver's seat lumbar support adjustment switch, memory seat control module, left entry assistance control module Fresh air blower control module From battery (diagram 1 of 2) From fuse holder fuse 30 (diagram 1 of 2) From fuse holder fuse 33 (diagram 1 of 2) Fuel pump relay Fuse 10a Fuse 20a Fuse 25a Fuse 30a Fuse 5a Fuse holder (left end of dash) G663 (right rear side of vehicle) Horn relay Left/right footwell light, left/right rear footwell light Left/right rear power window motors Passenger's power seat switch, front passenger seat lumbar support adjustment switch, right entry assistance control module Power seat fuse 45 30a Power seat fuse 46 30a Power window fuse 2 30a Power window fuse 37 30a Radio, amplifier Red Socket Steering column electronic systems control module Power Distribution Wiring Diagram, without Convertible (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Power Distribution Wiring Diagram, without Convertible (1 of 2) for Audi S4 Avant Quattro 2004: 80 10a 16a 22a 243a 30a 31a 33a 36a 37a 38a 50b 86s 9-pin relay carrier (behind left side of dash) A/c control head Abs control module (w/edl) Abs control module fuse 1 Acc Acc run Air quality sensor, high pressure sensor Airbag control module Back-up light switch, data link connector (dlc), shift lock solenoid, multi-function transmission range (tr) switch, transmission control module, park/neutral position relay Battery Brake booster relay Brake light switch, clutch vacuum vent valve switch, abs control module (w/ edl), anti-slip control switch Cigarette lighter Driver side door control module E-box relay carrier (left rear of engine compt) Fuel pump (fp) relay Fuse 10a Fuse 150a Fuse 15a Fuse 20a Fuse 25a Fuse 30a Fuse 40a Fuse 50a Fuse 5a Fuse holder (left end of dash) Fuse strip (main fuse) G33 (behind right side of dash) Garage door opener control head, garage door opener control module Generator Headlight range control module Ignition/starter switch Instrument panel Instrument panel, steering column electronic systems control module Light switch Load reduction relay Motronic engine control module (ecm) Motronic engine control module (ecm), wastegate bypass regulator valve (1.8l) Multi-function transmission range (tr) switch, transmission control module Nca Off Oil level thermal sensor, telephone/telematic control module, board computer function selector switch ii, tiptronic switch, rear window shade switch, telephone control module for operating electronics, control module for navigation w/ cd-mechanism, left rear heated seat control module, right rear heated seat control module Passenger side airbag off indicator Passenger side door control module Radar interior monitoring control module, alarm horn, comfort system central control module Rear shade circuit breaker 10a Rear window shade control module Rear windshield wiper motor Red Red b Run Secondary air injection (air) pump relay Servotronic control module Start Starter Starter, starter locking relay (clutch pedal switch), starter interlock alarm system relay, park/neutral position relay Steering column electronic systems control module 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, without Convertible (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Power Distribution Wiring Diagram, without Convertible (2 of 2) for Audi S4 Avant Quattro 2004: 54 12a 13a 14a 15a 23a 24a 25a 26a 35a 39a 4-pin relay carrier (behind left end of dash) 40a 42a 44a A/c control head Abs control module Brake light switch Comfort system central control module Control module for navigation w/ cd mechanism, instrument panel Coolant fan (fc) control module 2 Coolant fan fuse 42 40a Coolant fc (fan control) module Data link connector (dlc) Driver side door control module, passenger side door control module Driver's power seat switch, driver's seat lumbar support adjustment switch, memory seat control module Fresh air blower control module From battery (diagram 1 of 2) From fuse holder fuse 30 (diagram 1 of 2) From fuse holder fuse 33 (diagram 1 of 2) Fuel pump (fp) relay Fuse 10a Fuse 15a Fuse 20a Fuse 25a Fuse 30a Fuse 5a Fuse holder (left end of dash) G78 (at base of right "b" pillar) Horn relay Left rear door control module Left rear door control module, right rear door control module Left rear heated seat control module, right rear heated seat control module, a/c control head Left/right footwell light 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 Radiator after-run fuse 14 (4.2l) 40a Radio, amplifier Red Right rear door control module Socket Steering column electronic systems control module
POWER DOOR LOCKS Power Door Locks Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004 List of elements for Power Door Locks Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004: 43 22a 24a 38a 9-pin relay carrier A146 A147 A66 B110 B207 Central locking warning light (safe) (driver side door) Central locking warning light (safe) (passenger side door) Central locking/ anti-theft alarm system antenna Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Driver side central locking lock unit Driver side door control module (integral with window regulator motor) Driver side interior lock switch Fuel tank lid unlock motor Fuse 15a Fuse 20a Fuse holder (left end of dash) G43 (behind right kick panel) G44 (behind left kick panel) G49 (behind left side of dash) G662 (left rear side of vehicle) Glove box lock motor Hot at all times Mirrors system, interior lights system, power windows system, memory system Mirrors, power windows, interior lights systems Nca Passenger compartment monitoring switch Passenger side central locking lock unit Passenger side door control module (integral with window regulator motor) Power window fuse 37 30a Rear lid lock cylinder unlocking switch Rear lid unlock motor Red T10e T10f T12 T12a T32c Trunk, tailgate, fuel doors system Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (1 of 2) for Audi S4 Avant Quattro 2004: 41 22a 24a 38a 9-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 (near base of left front seat, in electronics box) Computer data lines system Driver side central locking lock unit Driver side door control module (integral with window regulator motor) Driver side interior lock switch Fuel tank lid unlock motor Fuse 15a Fuse 20a Fuse holder (left end of dash) G44 (lower left "a" pillar) G50 (left side of luggage compt) Hot at all times Interior lights 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 Rear/center central locking switch (if equipped) Red T10e T12 T12h T16i T20g T32c T42 Telephone/telematic control module (near base of right front seat) Trunk, tailgate fuel doors system Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (2 of 2) for Audi S4 Avant Quattro 2004: 24 (if equipped) passenger side interior lock switch (integral with window regulator motor) passenger side door control module 23a 9-pin relay carrier (behind left side of dash) Fuse 15a Fuse holder (left end of dash) G43 (behind right kick panel) G77 (at base of left "b" pillar) G78 (at base of right "b" pillar) Hot at all times Left rear central locking lock unit Left rear door control module (integral with window regulator motor) Mirrors, power windows, interior lights systems Passenger side central locking lock unit Power window fuse 2 30a Right rear central locking lock unit Right rear door control module (integral with window regulator motor) T10f T10g T10h T12a T12b T12c T32d Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (1 of 2) for Audi S4 Avant Quattro 2004: 36 22a 24a 38a 9-pin relay carrier Central locking warning light (safe) Central locking/ anti-theft alarm system antenna Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Driver side central locking lock unit Driver side door control module (integral with window regulator motor) Driver side interior lock switch Fuel tank lid unlock motor Fuse 15a Fuse 20a Fuse holder (left end of dash) G44 (lower left "a" pillar) G50 (left side of luggage compt) Hot at all times Interior lights 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 Rear/center central locking switch (if equipped) Red T10e T12 T12h T16i T20g T32c T42 Telephone/telematic control module (near base of right front seat) Trunk, tailgate fuel doors system Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (2 of 2) for Audi S4 Avant Quattro 2004: 15 (if equipped) passenger side interior lock switch (integral with window regulator motor) passenger side door control module Comfort system central control module (near base of left front seat, in electronics box) G43 (behind right kick panel) G77 (at base of left "b" pillar) G78 (at base of right "b" pillar) Left rear central locking lock unit Mirrors, power windows, interior lights systems Passenger side central locking lock unit Right rear central locking lock unit T10f T12a T16h T20g T32d
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004 List of elements for Automatic Day/Night Mirror Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004: 14 (behind left kick panel) Automatic day/night interior mirror Driver side door control module (integral with window regulator motor) Front interior light G44 G49 (behind left side of dash) Light recognition sensor Light switch Passenger side door control module (integral with window regulator motor) T10e T10f T1e T32b Vehicle electrical system control module (behind left side of dash) Automatic Day/Night Mirror Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004 List of elements for Automatic Day/Night Mirror Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004: 13 (lower left "a" pillar) Automatic day/night interior mirror Driver side door control module (integral with window regulator motor) Front interior light G33 (behind right side of dash) G44 Light recognition sensor Light switch Passenger side door control module (integral with window regulator motor) T10e T10f T32b Vehicle electrical system control module (behind left side of dash) Power Mirror Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Power Mirror Wiring Diagram for Audi S4 Avant Quattro 2004: 21 22a De- fog Defogger system Door locks, interior lights systems Driver side door control module (integral with window regulator motor) Driver side mirror Fuse 15a Fuse holder (left end of dash) G43 (w/ conv: behind right kick panel) (w/o conv: lower right "a" pillar) G44 (w/ conv: behind left kick panel) (w/o conv: lower left "a" pillar) Hot at all times Mirror adjustment switch Mirror selector switch Passenger side door control module (integral with window regulator motor) Passenger side mirror Red T10e T10f T16b T16c T32c
POWER SEATS Front Seat Heater Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004 List of elements for Front Seat Heater Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004: 22 44a A/c control head Air conditioning system Airbag spiral spring/ return spring w/ slip ring Computer data lines system Driver's backrest heating element Driver's seat heater Fuse 30a Fuse holder (left end of dash) G44 (behind left kick panel) G663 (right rear side of vehicle) Heated seat temp sensor Heated steering wheel (if equipped) Hot at all times Nca Passenger's backrest heating element Passenger's seat heater Seat heater Side bolster heater Steering column electronic systems control module (if equipped) (top of column) Steering wheel control unit T16a Front Seat Heater Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004 List of elements for Front Seat Heater Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004: 22 44a A/c control head Air conditioning system Airbag spiral spring/ return spring w/ slip ring Computer data lines system Driver's backrest heating element Driver's seat heater Fuse 30a Fuse holder (left end of dash) G44 (lower left "a" pillar) G78 (at base of right "b" pillar) Heated seat temp sensor Heated steering wheel (if equipped) Hot at all times Nca Passenger's backrest heating element Passenger's seat heater Seat heater Side bolster heater Steering column electronic systems control module (if equipped) (top of column) Steering wheel control unit T16a Lumbar Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Lumbar Wiring Diagram for Audi S4 Avant Quattro 2004: 13 4-pin relay carrier (behind left end of dash) Driver seat lumbar support adjustment switch Driver seat lumbar support curvature adjusting motor Driver seat lumbar support height adjusting motor G77 (at base of left "b" pillar) G78 (at base of right "b" pillar) Hot at all times Lumbar curv- ature Lumbar height Passenger seat lumbar support adjustment switch Passenger seat lumbar support curvature adjusting motor Passenger seat lumbar support height adjusting motor Power seat fuse 45 30a Power Seat Wiring Diagram, with Convertible (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Power Seat Wiring Diagram, with Convertible (1 of 2) for Audi S4 Avant Quattro 2004: 27 (left rear side of vehicle) 4-pin relay carrier (behind left end of dash) Backrest adjust Computer data lines system Driver's entry assistance button Driver's power seat switch Driver's seat fore/aft motor/ sensor Driver's seat headrest latch Driver's seat headrest motor/ sensor Driver's seat height motor Driver's seat inclination motor Driver's seat seatback latch Driver's seat seatback motor Fore/aft adjust G662 G662 (left rear side of vehicle) Headrest adjust Height adjust Hot at all times Inclination adjust Left entry assistance control module Power seat fuse 45 30a Red T10v T12h T32g T6n Power Seat Wiring Diagram, with Convertible (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Power Seat Wiring Diagram, with Convertible (2 of 2) for Audi S4 Avant Quattro 2004: 27 (right rear side of vehicle) 4-pin relay carrier (behind left end of dash) Backrest adjust Computer data lines system Fore/aft adjust G663 G663 (right rear side of vehicle) Headrest adjust Height adjust Hot at all times Inclination adjust Passenger's entry assistance button Passenger's power seat switch Passenger's seat fore/aft motor/ sensor Passenger's seat headrest latch Passenger's seat headrest motor/ sensor Passenger's seat height motor Passenger's seat inclination motor Passenger's seat seatback latch Passenger's seat seatback motor Power seat fuse 46 30a Red Right entry assistance control module T10w T12i T32h T6o Power Seat Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004 List of elements for Power Seat Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004: 16 4-pin relay carrier (behind left end of dash) Driver's power seat switch Driver's seat fore/aft adjustment motor Driver's seat height adjustment motor Driver's seat inclination adjustment motor Driver's seat seatback adjustment motor G77 (at base of left "b" pillar) G78 (at base of 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 Rear Seat Heater Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Rear Seat Heater Wiring Diagram for Audi S4 Avant Quattro 2004: 18 44a Fuse 10a Fuse 30a Fuse holder (left end of dash) G78 (at base of right "b" pillar) Heated seat temp sensor Hot at all times Hot in run or start Interior lights system Left rear backrest heating element Left rear heated seat control module (behind center console) Left rear seat heater Nca Right rear backrest heating element Right rear heated seat control module (behind center console) Right rear seat heater Seat heater Seat occupied sensor
POWER TOP/SUNROOF Convertible Top Wiring Diagram (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Convertible Top Wiring Diagram (1 of 2) for Audi S4 Avant Quattro 2004: 18 30a Computer data lines system Convertible top compartment cover locking motor Convertible top compartment latch switch Convertible top frame position sensor Convertible top lock switch (closed) Convertible top lock switch (open) Convertible top locking motor Convertible top operation control module (at right quarterpanel, behind trim) Convertible top operation switch Defogger system Fuse 30a Fuse holder (left end of dash) G661 (on convertible top housing) G663 (right rear side of vehicle) Hot at all times Interior lights system Nca Convertible Top Wiring Diagram (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Convertible Top Wiring Diagram (2 of 2) for Audi S4 Avant Quattro 2004: 22 3-pin relay carrier (behind left side of dash) Comfort system central control module (near base of left front seat) Compartment cover open position switch Convertible top closed position switch Convertible top compartment enclosure position switch Convertible top front lock switch Convertible top fuse 40a Convertible top hydraulic pump Convertible top hydraulic pump relay Convertible top hydraulic pump relay 2 Convertible top open position switch Convertible top operation hydraulic unit (at left rear of vehicle) Convertible top right lock switch G661 (on convertible top housing) G663 (right rear side of vehicle) Hot at all times Left convertible top cover compartment cover switch Nca Power convertible top valve 1 Power convertible top valve 2 Power convertible top valve 3 Right compartment cover locked switch 1 Sunroof Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Sunroof Wiring Diagram for Audi S4 Avant Quattro 2004: 13 30a Comfort system central control module (near base of left front seat, in electronics box) Front interior light Fuse 20a Fuse holder (left end of dash) G33 (lower left side of dash) Hot at all times Nca Power windows system Sunroof motor assembly (at front center of roof, above interior lights) Sunroof switch T12h T12i
POWER WINDOWS Power Windows Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004 List of elements for Power Windows Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004: 33 22a 4-pin relay carrier (behind left end of dash) Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Door locks, mirrors, interior lights systems Driver side door control module (integral with window regulator motor) Fuse 15a Fuse holder (left end of dash) G43 (behind right kick panel) G44 (behind left kick panel) G662 (left rear side of vehicle) G663 (right rear side of vehicle) Hot at all times Interior lights systems Interior lights, mirrors, door locks systems Left front window regulator switch Left rear window regulator motor Left rear window regulator switch Left window motor Master power window switch Passenger door window regulator switch Passenger side door control module (integral with window regulator motor) Power window fuse 2 30a Power window fuse 37 30a Right front window regulator switch Right rear window regulator motor Right rear window regulator switch Right window motor T10e T10f T32c T32d Window regulator central switch Power Windows Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004 List of elements for Power Windows Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004: 44 22a 23a 4-pin relay carrier (behind left end of dash) Comfort system central control module (near base of left front seat, in electronics box) Computer data lines system Door locks, mirrors, interior lights systems Driver side door control module (integral with window regulator motor) Fuse 15a Fuse holder (left end of dash) G43 (lower right "a" pillar) G44 (lower left "a" pillar) G77 (at base of left "b" pillar) G78 (at base of right "b" pillar) Hot at all times Interior lights system Interior lights systems Interior lights, mirrors, door locks systems Left front window regulator switch Left rear door control module (integral with window regulator motor) Left rear window motor Left rear window regulator switch Left rear window switch Left window motor Master power window switch Passenger door window regulator switch Passenger side door control module (integral with window regulator motor) Power window fuse 2 30a Power window fuse 37 30a Rear window safety regulator switch Right front window regulator switch Right rear door control module (integral with window regulator motor) Right rear window motor Right rear window regulator switch Right rear window switch Right window motor T10e T10f T10g T10h T12h T16d T16e T32c T32d Rear Window Sun Shade Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Rear Window Sun Shade Wiring Diagram for Audi S4 Avant Quattro 2004: 12 9-pin relay carrier (behind left side of dash) Fuse 10a Fuse holder (left end of dash) 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 (under left side of rear shelf) Rear window shade motor Rear window shade switch
RADIO Radio Wiring Diagram, with Convertible, with Bose for Audi S4 Avant Quattro 2004 List of elements for Radio Wiring Diagram, with Convertible, with Bose for Audi S4 Avant Quattro 2004: 38 (under center console) g610 39a Airbag spiral spring/ return spring w/ slip ring Amplifier Cd changer unit Comfort system central control module (near base of left front seat, in e-box) Computer data lines system Control module for navigation w/ cd-mechanism (left rear of luggage compt) Fuse 20a Fuse holder (left end of dash) G610 (under center console) Hot at all times Inside loudspeaker (center speaker) Instrument cluster Left antenna module Left front bass speaker Left front dsp midrange speaker Left front treble speaker Left rear speaker Nca Pnk Radio Radio controls Red Right antenna module Right front bass speaker Right front dsp midrange speaker Right front treble speaker Right rear speaker Steering column electronic systems control module (at top of steering column) Steering wheel control unit T10i T16a T20d T20e T32 T32a Telephone preparation wiring (if equipped) Radio Wiring Diagram, with Convertible, without Bose for Audi S4 Avant Quattro 2004 List of elements for Radio Wiring Diagram, with Convertible, without Bose for Audi S4 Avant Quattro 2004: 39 (under center console) g610 39a Airbag spiral spring/ return spring w/ slip ring Amplifier Cd changer unit Comfort system central control module (near base of left front seat, in e-box) Computer data lines system Control module for navigation w/ cd-mechanism (left rear of luggage compt) Fuse 20a Fuse holder (left end of dash) G610 (under center console) Hot at all times Inside loudspeaker (center speaker) Instrument cluster Left antenna module Left front bass speaker Left front dsp midrange speaker Left front treble speaker Left rear speaker Nca Pnk Radio Radio controls Red Right antenna module Right front bass speaker Right front dsp midrange speaker Right front treble speaker Right rear speaker Steering column electronic systems control module (if equipped) (top of column) Steering wheel control unit T10i T16a T20d T20e T32 T32a T8a Telephone preparation wiring (if equipped) Radio Wiring Diagram, without Convertible, with Amplifier for Audi S4 Avant Quattro 2004 List of elements for Radio Wiring Diagram, without Convertible, with Amplifier for Audi S4 Avant Quattro 2004: 45 39a Airbag spiral spring/ return spring w/ slip ring Amplifier Antenna Avant Bass loudspeaker Cd changer unit Comfort system central control module (near base of left front seat, in e-box) Computer data lines system Control module for navigation w/ cd-mechanism (left rear of luggage compt) Except avant Fuse 20a Fuse holder (left end of dash) G610 (under center console) Hot at all times Inside loudspeaker (center speaker) Instrument cluster Left antenna module Left front bass speaker Left front midrange speaker Left rear bass speaker Left rear midrange speaker Left rear side window Nca Pnk Radio Radio controls 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 Steering column electronic systems control module (if equipped) (top of column) Steering wheel control unit T10i T16a T20d T20e T20g T32 T32a T8a Telephone preparation wiring (if equipped) Radio Wiring Diagram, without Convertible, with Bose for Audi S4 Avant Quattro 2004 List of elements for Radio Wiring Diagram, without Convertible, with Bose for Audi S4 Avant Quattro 2004: 45 (under center console) g610 39a Airbag spiral spring/ return spring w/ slip ring Amplifier Antenna Avant Bass loudspeaker Cd changer unit Comfort system central control module (near base of left front seat, in e-box) Computer data lines system Control module for navigation w/ cd-mechanism (left rear of luggage compt) Except avant Fuse 20a Fuse holder (left end of dash) G610 (under center console) Hot at all times Inside loudspeaker (center speaker) Instrument cluster Left antenna module Left front bass speaker Left front midrange speaker Left rear bass speaker Left rear midrange speaker Left rear side window Nca Pnk Radio Radio controls 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 Steering column electronic systems control module (if equipped) (top of column) Steering wheel control unit T10i T16a T20d T20e T20g T32 T32a Telephone preparation wiring (if equipped) Radio Wiring Diagram, without Convertible, without Amplifier for Audi S4 Avant Quattro 2004 List of elements for Radio Wiring Diagram, without Convertible, without Amplifier for Audi S4 Avant Quattro 2004: 42 39a Airbag spiral spring/ return spring w/ slip ring Antenna Avant Cd changer unit Comfort system central control module (near base of left front seat, in e-box) Computer data lines system Control module for navigation w/ cd-mechanism (left rear of luggage compt) Except avant Fuse 20a Fuse holder (left end of dash) G610 (under center console) Hot at all times Instrument cluster Left antenna module Left front bass speaker Left front midrange speaker Left rear bass speaker Left rear midrange speaker Left rear side window Nca Pnk Radio Radio controls 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 Steering column electronic systems control module (if equipped) (top of column) Steering wheel control unit T10i T16a T20d T20e T20g T32 T32a T8a Telephone preparation wiring (if equipped)
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Shift Interlock Wiring Diagram for Audi S4 Avant Quattro 2004: 7 31a Fuse 15a Fuse holder (left end of dash) Hot in run or start Shift lock solenoid (on shift lever assembly) Tiptronic switch Transmission control module (tcm) (in plenum chamber e-box, at left rear of eng compt)
STARTING/CHARGING Charging Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Charging Wiring Diagram for Audi S4 Avant Quattro 2004: 18 1.8l only Acc Battery Fuse 150a Fuse strip (main fuse) G11 (at rear of engine compt, at base of windshield) Generator Generator warning light Ignition/ starter switch Instrument cluster Motronic engine control module (in plenum chamber e-box, at left rear of eng compt) Nca Off Red Run Start Starter T32a Starting Wiring Diagram, 5 Speed A/T for Audi S4 Avant Quattro 2004 List of elements for Starting Wiring Diagram, 5 Speed A/T for Audi S4 Avant Quattro 2004: 17 50z Acc Battery Charging circuit Fuse 150a Fuse strip (main fuse) G11 (at rear of eng compt, near base of windshield) G12 (on left center of firewall, near coolant reservoir) Ignition/ starter switch Multi-function transmission range (tr) switch Nca Off Red Run Start Starter Starter interlock alarm system relay Starting Wiring Diagram, 6 Speed A/T for Audi S4 Avant Quattro 2004 List of elements for Starting Wiring Diagram, 6 Speed A/T for Audi S4 Avant Quattro 2004: 18 50a 50z Acc Battery Charging circuit Fuse 150a Fuse strip (main fuse) G11 (at rear of eng compt, near base of windshield) Ignition/ starter switch Nca Off P/n Park/ neutral position (pnp) relay Red Run Start Starter Transmission control module (tcm) (in plenum chamber e-box, at left rear of eng compt) Starting Wiring Diagram, M/T for Audi S4 Avant Quattro 2004 List of elements for Starting Wiring Diagram, M/T for Audi S4 Avant Quattro 2004: 16 (behind right kick panel) g43 (w/ conv) g33 (w/o conv) (behind right side of dash) Acc Battery Charging circuit Clutch vacuum vent valve switch Fuse 150a Fuse strip (main fuse) G11 (at rear of eng compt, near base of windshield) Ignition/ starter switch Nca Off Red Run Start Starter Starter locking relay (clutch pedal switch) Starting Wiring Diagram, with CVT for Audi S4 Avant Quattro 2004 List of elements for Starting Wiring Diagram, with CVT for Audi S4 Avant Quattro 2004: 18 50a 50z Acc Battery Charging circuit Fuse 150a Fuse strip (main fuse) G11 (at rear of eng compt, near base of windshield) Ignition/ starter switch Nca Off P/n Park/ neutral position (pnp) relay Red Run Start Starter Transmission control module (tcm) (in plenum chamber e-box, at left rear of eng compt)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram, with Convertible (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Supplemental Restraints Wiring Diagram, with Convertible (1 of 2) for Audi S4 Avant Quattro 2004: 24 Acc Air bag control module (below center console) Air bag spiral spring/return spring w/slip ring Comfort system central control module (near base of left front seat, in e box) Driver's side air bag igniter Driver's side side air bag igniter G109 High bus Hot at all times Ignition starter/ switch Left rear seat belt tensioner igniter Low bus Motronic engine control module (ecm) (in plenum chamber e box, at left rear of eng compt) Nca Off Passenger's side air bag igniter 1 Passenger's side side air bag igniter Red Right rear seat belt tensioner igniter Run Shorting contact Solid state Start Telephone/telematic control module (near base of right front seat, in e box) Supplemental Restraints Wiring Diagram, with Convertible (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Supplemental Restraints Wiring Diagram, with Convertible (2 of 2) for Audi S4 Avant Quattro 2004: 21 Air bag control module (below center console) Air bag malfunction indicator lamp (mil) Data link connector (dlc) (under left side of dash) Driver's front air bag crash sensor (near left headlight) Driver's seat belt tensioner igniter 1 Driver's side side air bag crash sensor (inside left "b" pillar) G109 Instrument cluster Left rollover solenoid Left seat belt switch Nca Pass side air bag off ind Passenger's front air bag crash sensor (near right headlight) Passenger's seat belt tensioner igniter 2 Passenger's side side air bag crash sensor (inside right "b" pillar) Red Right rollover solenoid Right seat belt switch Shorting contact Solid state T32a Supplemental Restraints Wiring Diagram, without Convertible (1 of 2) for Audi S4 Avant Quattro 2004 List of elements for Supplemental Restraints Wiring Diagram, without Convertible (1 of 2) for Audi S4 Avant Quattro 2004: 31 (at base of right "b" pillar) g78 (at base of left "b" pillar) g77 Acc Air bag control module (below center console) Air bag spiral spring/return spring w/slip ring Comfort system central control module (near base of left front seat, in e box) 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 G109 High bus Hot at all times Ignition starter/ switch Left rear seat belt tensioner igniter Low bus Motronic engine control module (ecm) (in plenum chamber e box, at left rear of eng compt) 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 Right rear seat belt tensioner igniter Run Sedan only Shorting contact Solid state Start Telephone/telematic control module (near base of right front seat, in e box) Supplemental Restraints Wiring Diagram, without Convertible (2 of 2) for Audi S4 Avant Quattro 2004 List of elements for Supplemental Restraints Wiring Diagram, without Convertible (2 of 2) for Audi S4 Avant Quattro 2004: 23 Air bag control module (below center console) Air bag malfunction indicator lamp (mil) Center rear seat belt tensioner igniter Data link connector (dlc) (under left side of dash) Driver's front air bag crash sensor (near left headlight) Driver's seat belt tensioner igniter 1 Driver's side side air bag crash sensor (inside left "b" pillar) Driver's side side rear air bag crash sensor (behind left outer bolster of rear seat) Front interior light G109 Instrument cluster Left seat belt switch Nca Pass side air bag off ind Passenger's front air bag crash sensor (near right headlight) Passenger's seat belt tensioner igniter 2 Passenger's side side air bag crash sensor (inside right "b" pillar) Passenger's side side rear air bag crash sensor (behind right outer bolster of rear seat) Red Right seat belt switch Shorting contact Solid state T32a
TRANSMISSION A/T Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for A/T Wiring Diagram for Audi S4 Avant Quattro 2004: 28 31a 50b Acc Computer data lines system Data link connector (below Exterior lights system (backup lights) Fuse 10a Fuse 15a Fuse for automatic transmission Fuse holder (left end of dash) G12 (left center of firewall, near coolant reservoir) G33 (behind right side of dash) Hot at all times Hot w/ ecm relay energized Ignition switch Instrument cluster Interior lights system Left side of dash) Motronic engine control module (in plenum chamber e-box, left rear of engine compt) Off Park/ neutral position (pnp) relay (on e-box relay carrier) Run Shift lock solenoid (on shift lever assembly) Start Starting system (starter) T32a Tiptronic switch (in shift mechanism cover) Transmission control module (tcm)
TRUNK, TAILGATE, FUEL DOOR Trunk & Fuel Door Release Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004 List of elements for Trunk & Fuel Door Release Wiring Diagram, with Convertible for Audi S4 Avant Quattro 2004: 16 (integral with window regulator motor) driver side door control module (near base of left front seat, in electronics box) comfort system central control module Computer data lines system Fuel tank lid unlock motor Fuel tank switch G661 (on the convertible top housing) G663 (right rear side of vehicle) Instrument cluster Interior lights system Rear lid remote control release switch Rear lid unlock motor Red T10e T32 T32a T32c Trunk & Fuel Door Release Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004 List of elements for Trunk & Fuel Door Release Wiring Diagram, without Convertible for Audi S4 Avant Quattro 2004: 15 (integral with window regulator motor) driver side door control module (near base of left front seat, in electronics box) comfort system central control module Computer data lines system Fuel tank lid unlock motor G50 (left side of luggage compt) Interior lights system Rear lid lock cylinder switch Rear lid remote control release switch Rear lid unlock motor Red Remote power fuel tank lid release info not available T10e T12h T16i T32c
WARNING SYSTEMS Warning Systems Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Warning Systems Wiring Diagram for Audi S4 Avant Quattro 2004: 21 (w/o convertible) g33 (behind right side of dash) 15a Acc Buzzer Fuse 10a Fuse holder (left end of dash) G12 (on left center of firewall, near coolant reservoir) G49 (w/ convertible) (behind left side of dash) Hot at all times Ignition switch Instrument cluster Key switch Left front brake pad wear sensor Nca Off Red Right front brake pad wear sensor Run Start T32 T32a
WIPER/WASHER Jet Heater Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Jet Heater Wiring Diagram for Audi S4 Avant Quattro 2004: 7 (w/ convertible) g49 (behind left side of dash) Fuse 5a Fuse holder (left end of dash) G33 (w/o convertible) (behind right side of dash) Hot in run Left washer nozzle heater Right washer nozzle heater Wiper/Washer Wiring Diagram for Audi S4 Avant Quattro 2004 List of elements for Wiper/Washer Wiring Diagram for Audi S4 Avant Quattro 2004: 41 (avant) (behind left side of dash) (w/ convertible) g49 (w/ convertible) (w/o convertible) (w/o convertible) g33 (behind right side of dash) (w/o convertible) g44 (lower left "a" pillar) 13a 36a 37a Acc Acc run Computer data lines system Fuse 10a Fuse 150a Fuse 25a Fuse 30a Fuse holder (left end of dash) Fuse strip (main fuse) G44 (w/ convertible) (behind left kick panel) G49 (w/ convertible) (behind left side of dash) G53 (right rear trunk lid) Headlight washer pump 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
