Diagram sections — 32 (108 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 3) for Audi S4 Quattro 2005 List of elements for Automatic A/C Wiring Diagram (1 of 3) for Audi S4 Quattro 2005: 28 13a 25a 26a 44a A/c compressor regulator valve A/c control head Acc Computer data lines system Defogger system Fresh air blower control module Fuse 10a Fuse 30a Fuse 5a Fuse holder G12 G33 G44 Hot at all times Hot in run or start Ignition/ starter switch Left vent temperature sensor Lock Off Right vent temperature sensor Seats system Solar cells Start W/ rear heated seats Automatic A/C Wiring Diagram (2 of 3) for Audi S4 Quattro 2005 List of elements for Automatic A/C Wiring Diagram (2 of 3) for Audi S4 Quattro 2005: 27 Air conditioning controls Air flow flap motor/ position sensor Air quality sensor (if equipped) Airbag spiral spring/ return spring w/ slip ring Central air flap motor/ position sensor Computer data lines system Defroster flap motor/ position sensor Early production Evaporator vent temperature sensor Fresh air intake duct temperature sensor G12 G33 G624 Heated front window High pressure sensor Late production Left footwell vent temperature sensor Left temperature flap actuator/ potentiometer Recirculation flap motor/ position sensor Red Right footwell vent temperature sensor Right temperature flap actuator/ potentiometer Steering column electronic systems control module Steering wheel control unit Sunlight photo sensor T16a Windshield heating voltage converter Automatic A/C Wiring Diagram (3 of 3) for Audi S4 Quattro 2005 List of elements for Automatic A/C Wiring Diagram (3 of 3) for Audi S4 Quattro 2005: 26 4-pin relay carrier Coolant fan Coolant fan 2 (w/ trailer socket) Coolant fan fuse 42 40a Coolant fc (fan control) control module Coolant fc (fan control) control module 2 Early production Engine control module (early production) Engine controls system Engine coolant temperature sensor Fuse 150a Fuse 5a Fuse holder Fuse strip (main fuse) G26 Hot at all times Late production Motronic engine control module (late production) Nca Radiator after-run fuse 214 40a Red Right coolant fan (early production) coolant fan 3 (late production) T2o T2p T6n T6o
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Audi S4 Quattro 2005 List of elements for Anti-lock Brakes Wiring Diagram for Audi S4 Quattro 2005: 54 13a 14a 42a Abs control module (w/ edl) Abs control module fuse 1 Abs return flow pump Acc Anti-slip control switch Anti-theft system Brake light switch Computer data lines system Data link connector (dlc) Fuse 10a Fuse 25a Fuse 50a Fuse holder G26 G33 Hot at all times Hot in on or start Ignition/ starter switch start Instrument cluster Instrument cluster system Interior lights system Left front abs inlet valve Left front abs outlet valve Left front abs wheel speed sensor Left rear abs inlet valve Left rear abs outlet valve Left rear abs wheel speed sensor Lock Navigation control module 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 Steering angle sensor Steering angle sensor 1 Steering column electronic systems control module T16a T26 T32 T32a Traction control high pressure switch valve 1 Traction control high pressure switch valve 2 Traction control pilot valve 1 Traction control pilot valve 2
ANTI-THEFT Anti-theft Wiring Diagram, with Convertible for Audi S4 Quattro 2005 List of elements for Anti-theft Wiring Diagram, with Convertible for Audi S4 Quattro 2005: 19 24a Central locking/ anti-theft alarm system antenna Comfort system central control module Computer data lines system Exterior lights system Front hood switch Fuse 20a Fuse holder G12 G33 G49 G661 Hot at all times Instrument cluster Nca Parking brake warning light switch T32 Trunk lid alarm switch Trunk lock alarm/central locking switch Anti-theft Wiring Diagram, without Convertible for Audi S4 Quattro 2005 List of elements for Anti-theft Wiring Diagram, without Convertible for Audi S4 Quattro 2005: 35 (early production) 24a 38a Alarm horn Antenna suppression filter Anti-lock brakes system Central locking/ anti-theft alarm system antenna Comfort system central control module Computer data lines system Defogger system Exterior lights system Front hood switch Fuse 15a Fuse 20a Fuse holder G12 G33 G44 G50 G53 G78 Hot at all times Instrument cluster Left rear broken window glass sensor Nca Parking brake warning light switch Rear window defogger (w/ radio) Right rear broken window glass sensor T12h T12i T16i T20g T32 Trunk lid alarm switch (avant) Trunk lock alarm/central locking switch (early production avant) (early production sedan)
BODY CONTROL MODULES Body Control Modules Wiring Diagram, without Convertible for Audi S4 Quattro 2005 List of elements for Body Control Modules Wiring Diagram, without Convertible for Audi S4 Quattro 2005: 31 24a 38a Anti-theft system Anti-theft, anti-lock brakes systems Comfort system central control module Computer data lines system Door locks system Driver side door control module Exterior lights system Fuse 15a Fuse 20a Fuse holder G49 Hot at all times Interior lights system Left rear door control module Nca Passenger side door control module Power sunroof control module Power tops system Right rear door control module Sound systems T10e T10f T10g T10h T12h T12i T16h T16i T20g
COMPUTER DATA LINES Data Link Connector Wiring Diagram for Audi S4 Quattro 2005 List of elements for Data Link Connector Wiring Diagram for Audi S4 Quattro 2005: 44 w/ conv early production (5-speed) (6-speed) (cvt) (w/ a/t) transmission control module (w/ conv) (w/o conv) (w/ convertible) (w/o convertible) 12a 31a A/c control head Abs control module Air bag control module Comfort system central control module Control module for navigation w/ cd-mechanism Data link connector Fuse 10a Fuse 15a Fuse holder G49 g33 Headlight range control module (w/ convertible late production) High/low bus circuit Hot at all times Hot in on or start Instrument cluster Left entry assistance control module (w/ conv) Memory seat control module Motronic engine control module Radio Right entry assistance control module (w/ conv) T12n T16i T32a T32e T32g T32h T42 T8e Telephone transceiver transceiver (w/o conv) Telephone/ telematic control module convertible top control module (w/ conv) Tire pressure monitoring control module W/ rns-e W/o conv late production W/o rns-e High/Low Bus Wiring Diagram for Audi S4 Quattro 2005 List of elements for High/Low Bus Wiring Diagram for Audi S4 Quattro 2005: 63 w/ convertible late production 6-speed a/t A/c control head Abs control module Air bag control module Comfort system central control module Control module for navigation w/ cd- mechanism Convertible top control module (w/ convertible) Cvt a/t Data link connector (w/o convertible late production) Driver side door control module Headlight range control module (w/o convertible late production) Instrument cluster Left entry assistance control module (w/ convertible) Left headlight assembly (w/o convertible late production) Left rear door control module (w/o convertible) Left rear window regulator motor (w/ convertible) Memory seat control module Motronic engine control module Navigation interface (w/o convertible) Parking aid control module Passenger side door control module Radio Right entry assistance control module (w/ convertible) Right headlight assembly (w/o convertible late production) Right rear door control module (w/o convertible) Right rear window regulator motor (w/ convertible) Satellite radio Speech input control module Steering column electronic systems control module T10e T10f T10g T10h T16a T16f T16i T16j T20d T20e T32 T32a T32b T32e T32g T32h T42 T8p Telephone transceiver Telephone/ telematic control module Tire pressure monitoring sensor Towing sensor control module Transmission control module Transmission control module (5-speed a/t) Vehicle electrical system control module Vehicle inclination sensor (w/o convertible) W/ convertible W/ convertible early production W/ rns-e W/o convertible W/o convertible early production W/o convertible late production W/o rns-e
COOLING FAN Cooling Fan Wiring Diagram for Audi S4 Quattro 2005 List of elements for Cooling Fan Wiring Diagram for Audi S4 Quattro 2005: 26 4-pin relay carrier Coolant fan Coolant fan 2 (w/ trailer socket) Coolant fan fuse 42 40a Coolant fc (fan control) control module Coolant fc (fan control) control module 2 Early production Engine control module (early production) Engine controls system Engine coolant temperature sensor Fuse 150a Fuse 5a Fuse holder Fuse strip (main fuse) G26 Hot at all times Late production Motronic engine control module (late production) Nca Radiator after-run fuse 214 40a Red Right coolant fan (early production) coolant fan 3 (late production) T2o T2p T6n T6o
CRUISE CONTROL Cruise Control Wiring Diagram for Audi S4 Quattro 2005 List of elements for Cruise Control Wiring Diagram for Audi S4 Quattro 2005: 24 (w/ convertible) (w/o convertible) 13a Acc Brake- light switch Clutch vacuum vent valve switch (m/t) Computer data lines system Cruise control switch Fuse 10a Fuse holder G33 G49 Hot at all times Hot in on or start Ignition/ starter switch Lock Motronic engine control module Nca Off Start Steering column electronic systems control module T16a Throttle position (tp) sensor & accelerator pedal position sensor 2 Throttle valve control module
DEFOGGERS Heated Mirrors Wiring Diagram for Audi S4 Quattro 2005 List of elements for Heated Mirrors Wiring Diagram for Audi S4 Quattro 2005: 16 22a A/c control head Computer data lines system Driver's side door control module Driver's side outside mirror Fuse 15a Fuse holder G43 G44 Hot at all times Passenger's side door control module Passenger's side outside mirror T10e T10f T16b T16c Rear Defogger Wiring Diagram, with Convertible for Audi S4 Quattro 2005 List of elements for Rear Defogger Wiring Diagram, with Convertible for Audi S4 Quattro 2005: 8 26a A/c control head Convertible top control module Fuse 30a Fuse holder G662 Heated rear window Hot at all times Rear Defogger Wiring Diagram, without Convertible for Audi S4 Quattro 2005 List of elements for Rear Defogger Wiring Diagram, without Convertible for Audi S4 Quattro 2005: 18 26a A/c control head Anti-theft system Avant Except avant Fuse 30a Fuse holder G52 G53 G58 G73 Heated rear window Hot at all times Nca Rear window defogger w/ window antenna Sound systems Windshield antenna suppression filter Windshield antenna suppression filter (w/ radio)
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Audi S4 Quattro 2005 List of elements for Electronic Power Steering Wiring Diagram for Audi S4 Quattro 2005: 14 Abs control module Acc Early production G44 Hot at all times Ignition/ starter switch Instrument cluster Late production Lock Off Servotronic control module Servotronic solenoid valve Start T32a
ENGINE PERFORMANCE
4.2L 4.2L, Engine Performance Wiring Diagram, Early Production (1 of 4) for Audi S4 Quattro 2005 List of elements for 4.2L, Engine Performance Wiring Diagram, Early Production (1 of 4) for Audi S4 Quattro 2005: 24 14a 43a Brake- light switch Clutch vacuum vent valve switch (m/t) E-box relay carrier Fuse 10a Fuse 15a Fuse 40a Fuse holder G12 Heated oxygen sensor Heated oxygen sensor 2 Hot at all times Hot in run or start Mass airflow (maf) sensor Motronic engine control module Oxygen sensor Oxygen sensor 2 Red Secondary air injection (air) pump relay Secondary air injection pump motor Steering column electronic systems control module T16a Throttle position (tp) & accelerator pedal position (app) sensors 4.2L, Engine Performance Wiring Diagram, Early Production (2 of 4) for Audi S4 Quattro 2005 List of elements for 4.2L, Engine Performance Wiring Diagram, Early Production (2 of 4) for Audi S4 Quattro 2005: 14 After-run coolant pump Coolant circulation pump relay Engine coolant temperature (ect) sensor Engine speed (rpm) sensor Evaporative emission (evap) canister purge regulator valve G12 Knock sensor (ks) 1 Knock sensor (ks) 2 Knock sensor (ks) 3 Knock sensor (ks) 4 Leak detection pump (ldp) Nca Red Secondary air injection (air) solenoid valve 4.2L, Engine Performance Wiring Diagram, Early Production (3 of 4) for Audi S4 Quattro 2005 List of elements for 4.2L, Engine Performance Wiring Diagram, Early Production (3 of 4) for Audi S4 Quattro 2005: 37 (mil) Acc Camshaft adjustment valve 1 Camshaft adjustment valve 2 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 Data link connector E-box relay carrier Exhaust flap valve Fuse 15a Fuse 20a Fuse holder G12 G19 Hot at all times Ignition switch Instrument cluster Lock Malfunction indicator lamp Nca Off Red Run Start T32a/12 T32a/13 T32a/23 To spark plug 4.2L, Engine Performance Wiring Diagram, Early Production (4 of 4) for Audi S4 Quattro 2005 List of elements for 4.2L, Engine Performance Wiring Diagram, Early Production (4 of 4) for Audi S4 Quattro 2005: 21 9-pin relay carrier Cooling fans system E-box relay carrier Fuel injectors Fuel pump motor Fuel pump relay Fuse 150a Fuse 15a Fuse 20a Fuse holder G78 Hot at all times Intake manifold change- over valve Left electro- hydraulic engine mount solenoid Main fuse Motronic engine control module Red Relay plate Right electro- hydraulic engine mount solenoid Throttle valve control module Transmission control module 4.2L, Engine Performance Wiring Diagram, Late Production (1 of 4) for Audi S4 Quattro 2005 List of elements for 4.2L, Engine Performance Wiring Diagram, Late Production (1 of 4) for Audi S4 Quattro 2005: 24 14a 43a Brake- light switch Clutch pedal switch (m/t) E-box relay carrier Engine control module Fuse 10a Fuse 15a Fuse 40a Fuse holder G12 Heated oxygen sensor Heated oxygen sensor 2 Hot at all times Hot in on or start Mass airflow (maf) sensor Oxygen sensor Oxygen sensor 2 Red Secondary air injection (air) pump relay Secondary air injection pump motor Steering column electronic systems control module T16a Throttle position (tp) & accelerator pedal position (app) sensors 4.2L, Engine Performance Wiring Diagram, Late Production (2 of 4) for Audi S4 Quattro 2005 List of elements for 4.2L, Engine Performance Wiring Diagram, Late Production (2 of 4) for Audi S4 Quattro 2005: 14 (if equipped) after-run coolant pump (if equipped) coolant circulation pump relay Engine coolant temperature (ect) sensor Engine speed (rpm) sensor Evaporative emission (evap) canister purge regulator valve G12 Knock sensor (ks) 1 Knock sensor (ks) 2 Knock sensor (ks) 3 Knock sensor (ks) 4 Leak detection pump (ldp) Nca Red Secondary air injection (air) solenoid valve 4.2L, Engine Performance Wiring Diagram, Late Production (3 of 4) for Audi S4 Quattro 2005 List of elements for 4.2L, Engine Performance Wiring Diagram, Late Production (3 of 4) for Audi S4 Quattro 2005: 34 (a/t) exhaust flap valve (mil) Acc Camshaft adjustment valve 1 Camshaft adjustment valve 2 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 Data link connector Fuse 20a Fuse holder G12 G19 Hot at all times Ignition switch Instrument cluster Lock Malfunction indicator lamp Nca Off Red Start T32a/12 T32a/13 T32a/23 To spark plug 4.2L, Engine Performance Wiring Diagram, Late Production (4 of 4) for Audi S4 Quattro 2005 List of elements for 4.2L, Engine Performance Wiring Diagram, Late Production (4 of 4) for Audi S4 Quattro 2005: 21 9-pin relay carrier Cooling fans system E-box relay carrier Engine control module Fuel injectors Fuel pump motor Fuel pump relay Fuse 150a Fuse 15a Fuse 20a Fuse holder G78 Hot at all times Intake manifold change- over valve Left electro- hydraulic engine mount solenoid Main fuse Red Relay plate Right electro- hydraulic engine mount solenoid Throttle valve control module Transmission control module
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Audi S4 Quattro 2005 List of elements for Back-up Lamps Wiring Diagram for Audi S4 Quattro 2005: 27 (5-speed) (6-speed) (6-speed) (6-speed) (5-speed) (early production) (late production) (late production) (early production) (w/ cvt) 31a A/t Back-up Back-up light switch Comfort system central control module Fuse 15a Fuse holder G50 G78 Hot in on or start Left taillamp assembly M/t Park/neutral position (pnp) relay Right taillamp assembly T12i T16i T23 T32b Transmission control module (tcm) Vehicle electrical system control module Exterior Lamps Wiring Diagram, Avant Early Production (High Line) for Audi S4 Quattro 2005 List of elements for Exterior Lamps Wiring Diagram, Avant Early Production (High Line) for Audi S4 Quattro 2005: 49 13a 14a Acc Brake light switch Computer data lines system Emergency flasher switch Filament bulb Fuse 10a Fuse 150a Fuse holder Fuse strip (main fuse) G26 G33 G43 G50 G52 G78 Headlights system High- mount brake light Hot at all times Ignition/ starter switch Left headlight assembly Left side turn signal light Left taillamp assembly License plate lights Light switch Lock Nca Off Park Rear fog Red Right headlight assembly Right side turn signal light Right taillamp assembly Start Steering column electronic systems control module Stop T10b T16a T23 T32b Tail Turn Turn signal switch Vehicle electrical system control module W/ 1 filament bulb W/ 2 W/ high intensity headlights Exterior Lamps Wiring Diagram, Avant Early Production (Low Line) for Audi S4 Quattro 2005 List of elements for Exterior Lamps Wiring Diagram, Avant Early Production (Low Line) for Audi S4 Quattro 2005: 46 13a 14a Acc Brake light switch Computer data lines system Emergency flasher switch Fuse 10a Fuse 150a Fuse holder Fuse strip (main fuse) G26 G33 G43 G50 G52 G78 Headlights system High- mount brake light Hot at all times Ignition/ starter switch Left headlight assembly Left side turn signal light Left taillamp assembly License plate lights Light switch Lock Nca Off Park Rear fog Red Right headlight assembly Right side turn signal light Right taillamp assembly Start Steering column electronic systems control module Stop T10b T16a T23 T32b Tail Turn Turn signal switch Vehicle electrical system control module W/ high intensity headlights Exterior Lamps Wiring Diagram, Avant Late Production for Audi S4 Quattro 2005 List of elements for Exterior Lamps Wiring Diagram, Avant Late Production for Audi S4 Quattro 2005: 46 13a 14a Acc Brake light switch Computer data lines system Emergency flasher switch Fuse 10a Fuse 150a Fuse holder Fuse strip (main fuse) G26 G33 G43 G50 G52 G78 High- mount brake light Hot at all times Ignition/ starter switch Left side turn signal light Left taillamp assembly Left turn/ stop assembly License plate lights Light switch Lock Nca Off Park Rear fog Red Right headlight assembly Right side turn signal light Right taillamp assembly Right turn/stop assembly Start Steering column electronic systems control module Stop Stop stop T10b T16a T23 T32b Tail Turn Turn signal switch Vehicle electrical system control module Exterior Lamps Wiring Diagram, Sedan Early Production, Convertible Early Production for Audi S4 Quattro 2005 List of elements for Exterior Lamps Wiring Diagram, Sedan Early Production, Convertible Early Production for Audi S4 Quattro 2005: 47 13a 14a Acc Brake light switch Computer data lines system Emergency flasher switch Fuse 10a Fuse 150a Fuse holder Fuse strip (main fuse) G26 G33 G43 G50 G78 Headlight assembly Headlights system High- mount brake light Hot at all times Ignition/ starter switch Left headlight assembly Left side turn signal light Left taillamp assembly License plate lights Light switch Lock Nca Off Park Rear fog Red Right Right side turn signal light Right taillamp assembly Start Steering column electronic systems control module Stop T10b T16a T23 T32b Tail Turn Turn signal switch Vehicle electrical system control module W/ high intensity headlights W/ light sensor Exterior Lamps Wiring Diagram, Sedan Late Production, Convertible Late Production for Audi S4 Quattro 2005 List of elements for Exterior Lamps Wiring Diagram, Sedan Late Production, Convertible Late Production for Audi S4 Quattro 2005: 47 13a 14a Acc Brake light switch Computer data lines system Emergency flasher switch Fuse 10a Fuse 150a Fuse holder Fuse strip (main fuse) G26 G33 G43 G50 G78 Headlights system High- mount brake light Hot at all times Ignition/ starter switch Left headlight assembly Left rear fog lamp Left side turn signal light Left taillamp assembly License plate lights Light switch Lock Nca Off Park Red Right headlight assembly Right rear fog lamp Right side turn signal light Right taillamp assembly Start Steering column electronic systems control module Stop T10b T16a T23 T32b Tail Turn Turn signal switch Vehicle electrical system control module W/ high intensity headlights W/ light sensor
GROUND DISTRIBUTION Ground Distribution Wiring Diagram, without Convertible (1 of 2) for Audi S4 Quattro 2005 List of elements for Ground Distribution Wiring Diagram, without Convertible (1 of 2) for Audi S4 Quattro 2005: 36 3.0l Battery Center instrument panel vent illumination, right instrument panel vent illumination, storage compartment illumination, cup holder illumination, coin holder illumination (w/o front parking aid), rear center ashtray light, tiptronic switch, ashtray light, glove compartment light switch (early production), anti-slip control switch, rear window shade switch, a/c control head (early production), fresh air blower control module, shift lock solenoid, headlight range control module, clutch vacuum vent valve switch (m/t), center armrest illumination, climate control module (late production), tire pressure monitoring control module, esp sensor unit (late production), clutch pedal starter interlock switch & headlight adjuster Coolant fc (fan control) control module, coolant fc (fan control) control module 2 (4.2l) & abs control module (w/ edl) Driver's backrest heating element & driver's seat side bolster heater sensor G11 G18 (1.8l & 3.0l) G19 (4.2l) G26 G32 G33 G43 G44 G52 (avant) G53 G58 (avant) G624 G653 G654 Headlight washer pump (early production) & driver side door control module Headlight washer pump (late production), left headlight assembly, left side turn signal light, left front brake pad wear sensor & left dynamic cornering light motor Ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage, ignition coil 5 w/ power output stage (3.0l) & ignition coil 6 w/ power output stage (3.0l) Ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage, ignition coil 5 w/ power output stage, ignition coil 6 w/ power output stage, ignition coil 7 w/ power output stage & ignition coil 8 w/ power output stage Left front fog light, right front fog light, high tone horn, low tone horn & garage door opener control module Load reduction relay (late production), horn relay (late production), rear window defogger relay (late production), panel vent illumination, comfort system central control module, servotronic control module & rear/center central locking switch Luggage compartment light (late production), high mount brake light (avant), license plate light (avant), rear lid lock cylinder unlocking switch, rear lid unlock motor, trunk lid alarm switch & trunk lock alarm/ central locking switch (early production) Passenger side door control module Rain/light recognition sensor (late production), radar interior monitoring control module 1, garage door opener control head, telematic control head, automatic day/ night interior mirror, luggage compartment light (early production), solar cells, front interior light assembly, left make-up mirror light switch, right make-up mirror light switch & power sunroof control module Rear windshield wiper motor & rear window defogger (w/ window antenna) Right headlight assembly, right side turn signal light, right dynamic cornering light motor & low tone horn (late production) Vehicle electrical system control module, light switch, emergency flasher switch, cigarette lighter, instrument panel, steering column electronic systems control module, parking brake warning light switch (early production) & data link connector (dlc) Windshield antenna suppression filter Windshield antenna suppression filter (sedan) Windshield antenna suppression filter (w/ radio only) Windshield heating voltage converter Windshield wiper motor, left washer nozzle heater (w/ heated spray jet), right washer nozzle heater (w/ heated spray jet), brake fluid level warning switch & air quality sensor Ground Distribution Wiring Diagram, without Convertible (2 of 2) for Audi S4 Quattro 2005 List of elements for Ground Distribution Wiring Diagram, without Convertible (2 of 2) for Audi S4 Quattro 2005: 28 4.2l Amplifier shields Driver's power seat switch, driver's seat lumbar support adjustment switch (early production), memory seat control module & driver's side side air bag igniter Driver's side side air bag crash sensor, passenger's side side air bag crash sensor, driver's side rear side air bag crash sensor, passenger's side rear side air bag crash sensor, driver's front air bag crash sensor, passenger's front air bag crash sensor, air bag control module, left/ right seat belt switches, front passenger's air bag igniter 2, front passenger's air bag igniter 1, driver's side side air bag igniter, passenger side side air bag igniter, driver's side rear side air bag igniter, passenger side rear side air bag igniter & front passenger's side air bag igniter Front passenger seat lumbar support adjustment switch (early production) & passenger power seat switch Front passenger's head curtain air bag igniter (sedan), front passenger seat lumbar support adjustment switch (late production), right taillight assembly, left rear heated seat temperature sensor, left rear backrest heating element, right rear heated seat control module, right rear heated seat temperature sensor, right rear backrest heating element, socket, fuel pump, alarm horn, right rear central locking lock unit, right rear door warning light, right rear door opener lighting & right rear entry light (late production) G12 G50 G610 G637 G77 G78 Inside microphone shield Late production Left rear door control module Left rear fog lamp (sedan), right rear fog lamp (sedan), rear lid unlock motor (avant), trunk lid alarm switch (avant), trunk lock alarm/central locking switch (except avant), rear lid lock cylinder switch (avant) & license plate light (avant) Left taillight assembly, rear window shade control module & high-mount brake light (avant) Motronic engine control module (ecm) (1.8l & 3.0l), after-run coolant pump (3.0l), brake system vacuum pump (a/t), ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage, ignition coil 5 w/ power output stage (3.0l), ignition coil 6 w/ power output stage (3.0l), speedometer vehicle speed sensor, oil level thermal sensor, transmission control module (tcm) (1.8l & 3.0l), multi-function transmission range (tr) switch (5-spd a/t) & a/c compressor regulator valve Motronic engine control module (ecm), after-run coolant pump, ignition coil 1 w/ power output stage, ignition coil 2 w/ power output stage, ignition coil 3 w/ power output stage, ignition coil 4 w/ power output stage, ignition coil 5 w/ power output stage, ignition coil 6 w/ power output stage, ignition coil 7 w/ power output stage, ignition coil 8 w/ power output stage & transmission control module (tcm) (1.8l) Passenger's seat side bolster heater & passenger's backrest heating element Radio & control module for navigation w/ cd-mechanism Right rear door control module Right rear door opener lighting (early production), left rear entry light, left rear door warning light, left rear door opener lighting, left rear central locking lock unit, driver's head curtain airbag igniter (sedan), driver's seat lumbar support adjustment switch (late production), right rear entry light (early production) & left front safety belt microswitch (late production) Satellite radio shield Seat occupied recognition control module & right safety belt switch Secondary air injection (air) pump motor, high pressure sensor & front hood switch Telephone control module for operating electronics, control module for navigation w/ cd-mechanism (w/ bose speaker), radio (w/ bose), amplifier, telephone amplifier, telephone transceiver, cd changer unit & satellite radio Telephone/ telematic control module
HEADLIGHTS Headlights Wiring Diagram, with Convertible with High Intensity Gas Discharge Headlights for Audi S4 Quattro 2005 List of elements for Headlights Wiring Diagram, with Convertible with High Intensity Gas Discharge Headlights for Audi S4 Quattro 2005: 52 (w/ light sensor) 10a 56a 56b Acc Anti-lock brakes system Battery Computer data lines system Fog light switch Fuse 150a Fuse 5a Fuse holder Fuse strip (main fuse) G12 G43 G49 G50 Headlight range control module Headlight switch High intensity gas discharge lamp Hot at all times Hot in run or start Ignition switch Instrument cluster system Interior lights system Left front fog light Left front level control system sensor Left headlight assembly Left headlight beam adjusting motor Left high beam head- light Left rear fog light Left rear level control system sensor Light switch Lock Nca Off Red Right front fog light Right headlight assembly Right headlight beam adjusting motor Right high beam head- light Right rear fog light Run Start Starting/ charging system Steering column electronic systems control module T16a T23 T32b Turn signal switch (headlight dimmer switch) Vehicle electrical system control module W/ light sensor Headlights Wiring Diagram, with Convertible with Standard Headlights for Audi S4 Quattro 2005 List of elements for Headlights Wiring Diagram, with Convertible with Standard Headlights for Audi S4 Quattro 2005: 36 56a 56b Acc Battery Computer data lines system Fog light switch Fuse 150a Fuse strip (main fuse) G12 G43 G49 G50 Headlight switch Hot at all times Ignition switch Interior lights system Left front fog light Left headlight assembly Left rear fog light Light switch Lock Nca Off Red Right front fog light Right headlight assembly Right rear fog light Run Start Steering column electronic systems control module T16a T23 T32b Turn signal switch (headlight dimmer switch) Vehicle electrical system control module W/ light sensor Headlights, without Convertible with Bi-Xenon & Cornering Headlights Wiring Diagram for Audi S4 Quattro 2005 List of elements for Headlights, without Convertible with Bi-Xenon & Cornering Headlights Wiring Diagram for Audi S4 Quattro 2005: 46 (w/ light sensor) 10a 18a 56a 56b Battery Computer data lines system Day time running light Dynamic cornering light motor Early production Fog light switch Fuse 150a Fuse 5a Fuse holder Fuse strip (main fuse) G12 G26 G33 G43 G50 Headlight range control module Headlight switch High intensity gas discharge lamp High/ low beam switch- over solenoid Hot in run or start Instrument cluster system Interior lights system Late production Left front fog light Left front level control system sensor Left headlight assembly Left rear fog light Left rear level control system sensor Light switch Nca Red Right front fog light Right headlight assembly Right rear fog light Steering column electronic systems control module T16a T23 T32b Turn signal switch (headlight dimmer switch) Vehicle electrical system control module W/ light sensor Headlights, without Convertible with Bi-Xenon Headlights Wiring Diagram for Audi S4 Quattro 2005 List of elements for Headlights, without Convertible with Bi-Xenon Headlights Wiring Diagram for Audi S4 Quattro 2005: 46 (w/ light sensor) 10a 56a 56b Battery Computer data lines system Day time running light Early production Fog light switch Fuse 150a Fuse 5a Fuse holder Fuse strip (main fuse) G12 G26 G33 G43 G50 Headlight beam adjusting motor Headlight range control module Headlight switch High intensity gas discharge lamp High/ low beam switch- over solenoid Hot in run or start Instrument cluster system Interior lights system Late production Left front fog light Left front level control system sensor Left headlight assembly Left rear fog light Left rear level control system sensor Light switch Nca Red Right front fog light Right headlight assembly Right rear fog light Steering column electronic systems control module T16a T23 T32b Tfl Turn signal switch (headlight dimmer switch) Vehicle electrical system control module W/ light sensor Headlights Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights High Option Content for Audi S4 Quattro 2005 List of elements for Headlights Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights High Option Content for Audi S4 Quattro 2005: 55 (w/ light sensor) 10a 56a 56b Acc Anti-lock brakes system Battery Computer data lines system Early production Exterior lights system Fog light switch Fuse 150a Fuse 5a Fuse holder Fuse strip (main fuse) G26 G33 G43 G50 Headlight range control module Headlight switch High intensity gas discharge lamp Hot at all times Hot in run or start Ignition switch Instrument cluster system Interior lights system Late production Left front fog light Left front level control system sensor Left headlight assembly Left headlight beam adjusting motor Left high beam head- light Left rear fog light Left rear level control system sensor Light switch Lock Nca Off Red Right front fog light Right headlight assembly Right headlight beam adjusting motor Right high beam head- light Right rear fog light Run Start Starting/ charging system Steering column electronic systems control module T16a T23 T32b Turn signal switch (headlight dimmer switch) Vehicle electrical system control module W/ light sensor Headlights Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights Low Option Content for Audi S4 Quattro 2005 List of elements for Headlights Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights Low Option Content for Audi S4 Quattro 2005: 58 (w/ light sensor) 10a 20a 21a 56a 56b Acc Anti-lock brakes system Battery Computer data lines system Early production Exterior lights system Fog light switch Fuse 150a Fuse 15a Fuse 5a Fuse holder Fuse strip (main fuse) G26 G33 G43 G50 Headlight range control module Headlight switch High intensity gas discharge lamp Hot at all times Hot in run or start Ignition switch Instrument cluster system Interior lights system Late production Left front fog light Left front level control system sensor Left headlight assembly Left headlight beam adjusting motor Left high beam head- light Left rear fog light Left rear level control system sensor Light switch Lock Nca Off Red Right front fog light Right headlight assembly Right headlight beam adjusting motor Right high beam head- light Right rear fog light Run Start Starting/ charging system Steering column electronic systems control module T16a T23 T32b Turn signal switch (headlight dimmer switch) Vehicle electrical system control module W/ light sensor Headlights Wiring Diagram, without Convertible with Standard Headlights for Audi S4 Quattro 2005 List of elements for Headlights Wiring Diagram, without Convertible with Standard Headlights for Audi S4 Quattro 2005: 39 56a 56b Acc Battery Computer data lines system Early production Exterior lights system Fog light switch Fuse 150a Fuse strip (main fuse) G26 G33 G43 G50 Headlight switch Hot at all times Ignition switch Interior lights system Late production Left front fog light Left headlight assembly Left rear fog light Light switch Lock Nca Off Red Right front fog light Right headlight assembly Right rear fog light Run Start Steering column electronic systems control module T16a T23 T32b Turn signal switch (headlight dimmer switch) Vehicle electrical system control module W/ light sensor
HORN Horn Wiring Diagram, without Convertible for Audi S4 Quattro 2005 List of elements for Horn Wiring Diagram, without Convertible for Audi S4 Quattro 2005: 17 40a Computer data lines system Fuse 25a Fuse holder G26 G43 G49 High tone horn Horn relay Horn switch Hot at all times Low tone horn Nca Steering column electronic systems control module T16a T32b Vehicle electrical system control module
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram, with Convertible for Audi S4 Quattro 2005 List of elements for Instrument Cluster Wiring Diagram, with Convertible for Audi S4 Quattro 2005: 54 15a Abs control module Acc Air bag control module Air bag mil Ambient temperature switch Anti-lock brakes system Anti-theft immobilizer reading coil Board computer function selector switch ii Brake fluid level warning switch Computer data lines system Ect gauge Engine coolant level (ecl) warning switch Engine coolant temperature (ect) sensor Fuel gauge Fuel gauge sender Fuel level sensor 2 (quattro only) Fuel tank lock switch (if equipped) Fuse 10a Fuse holder G12 G33 G49 G662 G663 Gen warn ind Headlight range control module Hot at all times Hot in run or start Ignition/ starter switch Instrument cluster Interior lights system Key switch Left front safety belt microswitch Lock Motronic engine control module Off Oil level thermal sensor Oil pressure switch Radio frequency controlled clock receiver (if equipped) Red Run Speedo- meter Start Starting/charging system Steering column electronic systems control module T16a T32 T32a T4m Tacho- meter Tiptronic switch Warning system Windshield washer fluid level warning switch Instrument Cluster Wiring Diagram, without Convertible for Audi S4 Quattro 2005 List of elements for Instrument Cluster Wiring Diagram, without Convertible for Audi S4 Quattro 2005: 57 (late production) 15a Abs control module Acc Air bag control module Air bag mil Ambient temperature switch Anti-lock brakes system Anti-theft immobilizer reading coil Anti-theft system Board computer function selector switch ii Brake fluid level warning switch Computer data lines system Ect gauge Engine coolant level (ecl) warning switch Engine coolant temperature (ect) sensor Fuel gauge Fuel gauge sender Fuel level sensor 2 (quattro only) Fuse 10a Fuse holder G12 G33 G43 G77 Gen warn ind Headlight range control module Hot at all times Hot in run or start Ignition/ starter switch Instrument cluster Interior lights system Key switch Left front seat belt micro switch Lock Motronic engine control module Off Oil level thermal sensor Oil pressure switch Radio frequency controlled clock receiver (if equipped) Red Run Servotronic control module Speedo- meter Start Starting/charging system Steering column electronic systems control module T16a T18 T32 T32a T4m Tacho- meter Telephone control module for operating electronics Tiptronic switch Warning system Windshield washer fluid level warning switch
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi S4 Quattro 2005 List of elements for Courtesy Lamps Wiring Diagram, Avant (1 of 2) for Audi S4 Quattro 2005: 36 (not used) Automatic day/night mirror Comfort system central control module Computer data lines system Early Early production Front interior light assembly Fuse 5a Fuse holder G33 G44 G49 Glove compartment light Glove compartment light switch Hot at all times Instrument illumination circuit Late Left footwell light Left make-up mirror light Left make-up mirror light switch Left rear footwell light Luggage compartment light Passenger side air bag off ind Production Rear crtsy Rear lid light Rear reading/ courtesy light Right footwell light Right make-up mirror light Right make-up mirror light switch Right rear footwell light T12h T16h T16i T32b Vehicle electrical system control module Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi S4 Quattro 2005 List of elements for Courtesy Lamps Wiring Diagram, Avant (2 of 2) for Audi S4 Quattro 2005: 39 Comfort system central control module Computer data lines system Driver door control module Driver side central locking unit (door contact switch) Driver side door warning light G77 G78 Left front entry light Left rear central locking unit (door contact switch) Left rear door control module Left rear door warning light Left rear entry light Passenger compartment monitoring switch Passenger side central locking unit (door contact switch) Passenger side door control module Passenger side door warning light Power windows, mirrors, door locks systems & instrument illumination circuit Right front entry light Right rear central locking unit (door contact switch) Right rear door control module Right rear door warning light Right rear entry light T10e T10f T10g T10h T12 T12a T12b T12c T16d T16e T16h T16i T20g T32c T32d W/ rear power windows W/o rear power windows Courtesy Lamps Wiring Diagram, Sedan, Convertible (1 of 2) for Audi S4 Quattro 2005 List of elements for Courtesy Lamps Wiring Diagram, Sedan, Convertible (1 of 2) for Audi S4 Quattro 2005: 32 Automatic day/night mirror Comfort system central control module Computer data lines system Early production Front interior light assembly Fuse 5a Fuse holder G33 G44 G49 Glove compartment light Glove compartment light switch Hot at all times Instrument illumination circuit Left footwell light Left luggage compartment light Left make-up mirror light Left make-up mirror light switch Left rear footwell light Passenger side air bag off ind Rear crtsy Rear reading/ courtesy light Right footwell light Right luggage compartment light Right make-up mirror light Right make-up mirror light switch Right rear footwell light T12h T16h T16i T32b Vehicle electrical system control module Courtesy Lamps Wiring Diagram, Sedan, Convertible (2 of 2) for Audi S4 Quattro 2005 List of elements for Courtesy Lamps Wiring Diagram, Sedan, Convertible (2 of 2) for Audi S4 Quattro 2005: 40 control module Comfort system central control module Computer data lines system Driver door control module Driver side central locking unit (door contact switch) Driver side door warning light G77 G78 Left front entry light Left rear central locking unit (door contact switch) Left rear door control module Left rear door warning light Left rear entry light Passenger compartment monitoring switch Passenger side central locking unit (door contact switch) Passenger side door Passenger side door warning light Power windows, mirrors, door locks systems & instrument illumination circuit Right front entry light Right rear central locking unit (door contact switch) Right rear door control module Right rear door warning light Right rear entry light T10e T10f T10g T10h T12 T12a T12b T12c T16d T16e T16h T16i T20g T32c T32d W/ rear power windows W/o rear power windows Instrument Illumination Wiring Diagram, without Convertible (1 of 2) for Audi S4 Quattro 2005 List of elements for Instrument Illumination Wiring Diagram, without Convertible (1 of 2) for Audi S4 Quattro 2005: 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 Comfort system central control module Computer data lines system Cup holder illumination Front interior light assembly Fuse 150a Fuse strip (main fuse) G33 G44 G77 G78 Garage door opener control head Instrument cluster Instrument cluster system Left instrument panel vent illumination Left rear door opener lighting Left rear heated seat control module Light switch Luggage compartment light (avant) Nca Radio connector Rear center ashtray light Rear window shade switch Red Right instrument panel vent illumination Right rear door opener lighting Right rear heated seat control module Steering column electronic systems control module Storage compartment illumination T16a T16i T32 T32a T32b Vehicle electrical system control module Instrument Illumination Wiring Diagram, without Convertible (2 of 2) for Audi S4 Quattro 2005 List of elements for Instrument Illumination Wiring Diagram, without Convertible (2 of 2) for Audi S4 Quattro 2005: 18 Computer data lines system Driver door window regulator switches Driver side door control module Driver side door opener lighting Driver side interior lock switch Driver's seat memory program switch Mirror adjustment switch Passenger compartment monitoring switch Passenger door control module Passenger door window regulator switch Passenger side door opener lighting Passenger side interior lock switch Power windows, mirrors, door locks systems & courtesy lamps circuit Rear lid release switch T10e T10f T32c T32d
MEMORY SYSTEMS Memory Systems Wiring Diagram, with Convertible (1 of 4) for Audi S4 Quattro 2005 List of elements for Memory Systems Wiring Diagram, with Convertible (1 of 4) for Audi S4 Quattro 2005: 23 4-pin relay carrier Backrest adjust Computer data lines system Driver's power seat switch Driver's seat headrest adjustment latch switch Driver's seat height adjustment motor/sensor assembly Driver's seat inclination adjustment motor/ sensor assembly Driver's seat lumbar support adjustment switch Driver's seat lumbar support curvature adjustment motor Driver's seat lumbar support height adjustment motor Driver's seat seatback adjustment motor/sensor assembly Fore/aft adjust G662 Headrest adjust Hot at all times Memory seat control module Power seat fuse 45 30a Seat height adjust Slope adjust T10v T12g T32e T6n Memory Systems Wiring Diagram, with Convertible (2 of 4) for Audi S4 Quattro 2005 List of elements for Memory Systems Wiring Diagram, with Convertible (2 of 4) for Audi S4 Quattro 2005: 12 Computer data lines system Driver's seat fore/aft adjustment motor/sensor assembly Driver's seat headrest adjustment motor/sensor assembly Driver's seat seatback latch switch G662 Left entry assistance control module Passenger's seat fore/aft adjustment motor/sensor assembly Passenger's seat headrest adjustment motor/sensor assembly Rear window shade switch (rear) Red T12h T32g Memory Systems Wiring Diagram, with Convertible (3 of 4) for Audi S4 Quattro 2005 List of elements for Memory Systems Wiring Diagram, with Convertible (3 of 4) for Audi S4 Quattro 2005: 26 4-pin relay carrier Backrest adjust Computer data lines system Fore/aft adjust G663 Headrest adjust Hot at all times Passenger's entry assistance switch Passenger's power seat switch Passenger's seat headrest adjustment latch switch Passenger's seat height adjustment motor Passenger's seat inclination adjustment motor Passenger's seat lumbar support adjustment switch Passenger's seat lumbar support curvature adjustment motor Passenger's seat lumbar support height adjustment motor Passenger's seat seatback adjustment motor Passenger's seat seatback latch switch Power seat fuse 46 30a Red Right entry assistance control module Seat height adjust T10w T12i T32h T6o Tilt adjust Memory Systems Wiring Diagram, with Convertible (4 of 4) for Audi S4 Quattro 2005 List of elements for Memory Systems Wiring Diagram, with Convertible (4 of 4) for Audi S4 Quattro 2005: 24 22a Computer data lines system De- fog Driver side door control module Driver's seat memory program control Driver's side outside folding mirror Fold- away Fuse 15a Fuse holder G43 G44 Hot at all times Mirror adjustment switch Mirror fold away switch Mirror selector switch Nca Passenger side door control module Passenger's side outside folding mirror Position T10e T10f T16b T16c T32c Memory Systems Wiring Diagram, without Convertible (1 of 2) for Audi S4 Quattro 2005 List of elements for Memory Systems Wiring Diagram, without Convertible (1 of 2) for Audi S4 Quattro 2005: 17 4-pin relay carrier Computer data lines system Driver's power seat switch Driver's seat fore/aft motor/ switch assembly Driver's seat height adjustment motor/switch assembly Driver's seat inclination adjustment motor/switch assembly Driver's seat lumbar support adjustment switch Driver's seat lumbar support curvature adjustment motor Driver's seat lumbar support height adjustment motor Driver's seat seatback adjustment motor/switch assembly G77 Hot at all times Memory seat control module Power seat fuse 30a Red T12g T32e Memory Systems Wiring Diagram, without Convertible (2 of 2) for Audi S4 Quattro 2005 List of elements for Memory Systems Wiring Diagram, without Convertible (2 of 2) for Audi S4 Quattro 2005: 25 22a Computer data lines system De- fog Driver side door control module Driver's seat memory program control Driver's side outside folding mirror Fold- away Fuse 15a Fuse holder G43 G44 Hot at all times Interior lights system Mirror adjustment switch Mirror fold away switch Mirror selector switch Nca Passenger side door control module Passenger's side outside folding mirror Position T10e T10f T16b T16c T32c
NAVIGATION Navigation Wiring Diagram, without RNS-E for Audi S4 Quattro 2005 List of elements for Navigation Wiring Diagram, without RNS-E for Audi S4 Quattro 2005: 27 15a Board computer function selector switch ii Computer data lines system Control module for navigation w/ cd-mechanism Exterior lights system Fuse 10a Fuse holder G610 Gps antenna Hot at all times Hot in on or start Instrument cluster Instrument cluster system Interior lights system Nca Radio T10i T20d T20e T32 T32a T42 T8e Telephone transceiver Telephone/telematic control module W/ convertible W/o convertible
POWER DISTRIBUTION Power Distribution Wiring Diagram, without Convertible (1 of 2) for Audi S4 Quattro 2005 List of elements for Power Distribution Wiring Diagram, without Convertible (1 of 2) for Audi S4 Quattro 2005: 92 (diagram 2 of 2) (w/ rear heated seat) windshield heating voltage converter 10a 11a 16a 18a 22a 243a 30a 31a 33a 36a 37a 38a 50b 86s 9-pin relay carrier (behind left side of dash) A/c control head & climate control module A/c control head & climatronic control module Abs control module (w/edl) Abs control module fuse 1 Acc Air quality sensor & high pressure sensor Airbag control module Back-up light switch, data link connector (dlc), shift lock solenoid, multi-function transmission range (tr) switch, transmission control module, park/neutral position relay, automatic day/ night interior mirror & (late production) mass air flow sensor Battery Brake booster relay Brake light switch, clutch vacuum vent valve switch, abs control module (w/ edl), anti-slip control switch, esp-sensor & brake pedal switch Cigarette lighter Driver side door control module Driver side door control module & front passenger side door control module E-box relay carrier (left rear of engine compt) Fuel pump (fp) relay Fuse 10a Fuse 150a Fuse 15a Fuse 20a Fuse 25a 30a Fuse 30a Fuse 40a Fuse 40a 50a Fuse 5a Fuse holder (left end of dash) Fuse strip (main fuse) G11 G33 (behind right side of dash) G41 Garage door opener control head & garage door opener control module Generator Headlight range control module, headlight adjuster, left headlight beam adjusting motor, right headlight beam adjusting motor, head lamp range/corning lamp control module & right headlight power output stage Ignition/starter switch Instrument cluster Instrument cluster & steering column electronic systems control module Late production early production Left headlamp power output stage Light switch Load reduction relay Lock Motronic engine control module (ecm) Motronic engine control module (ecm) & wastegate bypass regulator valve (1.8l) Multi-function transmission range (tr) switch & transmission control module Navigation w/ cd-mechanism control module Nca Off Oil level thermal sensor, telephone/telematic control module, board computer function selector switch ii, tiptronic switch, rear window shade switch, telephone control module for operating electronics, control module for navigation w/ cd-mechanism, left rear heated seat control module, oil pressure switch & right rear heated seat control module On off Passenger's side airbag off warning light Radar interior monitoring control module, alarm horn & comfort system central control module Rear shade circuit breaker 10a Rear window shade control module Rear windshield wiper motor Red Red b Seat occupied recognition pressure sensor & front passenger's airbag disabled indicator lamp air bag control module Secondary air injection (air) pump relay Servotronic control module Start Starter Starter, starter interlock relay, clutch pedal switch, starter interlock alarm system relay, starter lock/clutch pedal switch relay & park/neutral position relay Steering column electronic systems control module Sunroof motor T10b T10b t10b T32b Telephone amplifier Telephone/ telematic control module, telephone control module for operating electronics & telephone transceiver To 4-pin relay carrier (diagram 2 of 2) To fuse holder (diagram 2 of 2) To fuse holder j Transmission control module (tcm) Vehicle electrical system control module Washer nozzle heater (left/right) Power Distribution Wiring Diagram, without Convertible (2 of 2) for Audi S4 Quattro 2005 List of elements for Power Distribution Wiring Diagram, without Convertible (2 of 2) for Audi S4 Quattro 2005: 61 12a 12v socket 13a 14a 15a 17a 23a 24a 25a 26a 34a 35a 39a 4-pin relay carrier 40a 42a 44a A/c control head & climatronic control module A/c control head & rear window defogger relay Abs control module Brake light switch & brake pedal switch Comfort system central control module Control module for navigation w/ cd mechanism & instrument cluster Coolant fan (fc) control module 2 (except 4.2l: late production) Coolant fan fuse 40a Coolant fc (fan control) module (4.2l: late production) Coolant fc (fan control) module (except 4.2l: late production) coolant fc (fan control) module 2 (4.2l: late production) Data link connector (dlc) Driver side door control module & passenger side door control module Driver's power seat switch, driver's seat lumbar support adjustment switch, memory seat control module, driver's seat tilt adjustment switch, driver's seat height adjustment switch & front passenger seat lumbar support adjustment switch Fresh air blower control module From battery (diagram 1 of 2) From fuse holder fuse 30 (diagram 1 of 2) From fuse holder fuse 33 (diagram 1 of 2) Fuel pump (fp) relay Fuse 10a Fuse 15a Fuse 20a Fuse 20a 30a Fuse 25a Fuse 30a Fuse 5a Fuse holder G78 Horn relay Late production early production Left rear door control module Left rear door control module & right rear door control module Left rear heated seat control module, right rear heated seat control module & a/c control head Left/right footwell light, left rear footwell light & right rear footwell light Passenger's power seat switch & front passenger seat lumbar support adjustment switch Power seat fuse 30a Power window fuse 2 30a Power window fuse 30a Radiator after-run fuse (4.2l) 40a Radio amplifier & satellite radio Red Right rear door control module Socket Steering column electronic systems control module Tire pressure monitoring control
POWER DOOR LOCKS Power Door Locks Wiring Diagram, with Convertible for Audi S4 Quattro 2005 List of elements for Power Door Locks Wiring Diagram, with Convertible for Audi S4 Quattro 2005: 38 22a 24a 38a 9-pin relay carrier Central locking warning light (safe) (driver side door) Central locking warning light (safe) (passenger side door) Central locking/ anti-theft alarm system antenna Comfort system central control module Computer data lines system Driver side central locking lock unit Driver side interior lock switch Driver's side door control module Fuel tank lid unlock motor Fuse 15a Fuse 20a Fuse holder G43 G44 G49 G661 Glove box lock motor Hot at all times Mirrors system, interior lights system, power windows system, memory system Mirrors, power windows, interior lights systems Nca Passenger compartment monitoring switch Passenger side central locking lock unit Passenger's side door control module Power window fuse 37 30a Rear lid lock cylinder unlocking switch Rear lid unlock motor Red T10e T10f T12 T12a T32c Trunk, tailgate, fuel doors system Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (1 of 2) for Audi S4 Quattro 2005 List of elements for Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (1 of 2) for Audi S4 Quattro 2005: 38 22a 24a 38a 9-pin relay carrier Central locking warning light (safe) Central locking/ anti-theft alarm system antenna Comfort system central control module Computer data lines system Driver side central locking lock unit Driver side door control module Driver side interior lock switch Early production Fuel tank lid unlock motor Fuse 15a Fuse 20a Fuse holder G44 G50 Hot at all times Interior lights system Late production Mirrors, power windows, interior lights systems Nca Passenger compartment monitoring switch Power window fuse 37 30a Rear lid lock cylinder unlocking switch (avant) Rear lid unlock motor & alarm switch (avant) Rear/center central locking switch (if equipped) Red T10e T12 T12h T16i T20g T32c T42 Telephone/telematic control module Trunk, tailgate fuel doors system Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (2 of 2) for Audi S4 Quattro 2005 List of elements for Power Door Locks Wiring Diagram, without Convertible, with Rear Power Windows (2 of 2) for Audi S4 Quattro 2005: 24 (if equipped) passenger side interior lock switch 23a 9-pin relay carrier Fuse 15a Fuse holder G43 G77 G78 Hot at all times Left rear central locking lock unit Left rear door control module Mirrors, power windows, interior lights systems Passenger side central locking lock unit Passenger side door control module Power window fuse 2 30a Right rear central locking lock unit Right rear door control module T10f T10g T10h T12a T12b T12c T32d Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (1 of 2) for Audi S4 Quattro 2005 List of elements for Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (1 of 2) for Audi S4 Quattro 2005: 38 22a 24a 38a 9-pin relay carrier Central locking warning light (safe) Central locking/ anti-theft alarm system antenna Comfort system central control module Computer data lines system Driver side central locking lock unit Driver side door control module Driver side interior lock switch Early production Fuel tank lid unlock motor Fuse 15a Fuse 20a Fuse holder G44 G50 Hot at all times Interior lights system Late production Mirrors, power windows, interior lights systems Nca Passenger compartment monitoring switch Power window fuse 37 30a Rear lid lock cylinder unlocking switch (avant) Rear lid unlock motor & alarm switch (avant) Rear/center central locking switch (if equipped) Red T10e T12 T12h T16i T20g T32c T42 Telephone/telematic control module Trunk, tailgate fuel doors system Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (2 of 2) for Audi S4 Quattro 2005 List of elements for Power Door Locks Wiring Diagram, without Convertible, without Rear Power Windows (2 of 2) for Audi S4 Quattro 2005: 15 (if equipped) passenger side interior lock switch Comfort system central control module G43 G77 G78 Left rear central locking lock unit Mirrors, power windows, interior lights systems Passenger side central locking lock unit Passenger side door control module Right rear central locking lock unit T10f T12a T16h T20g T32d
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram, without Convertible for Audi S4 Quattro 2005 List of elements for Automatic Day/Night Mirror Wiring Diagram, without Convertible for Audi S4 Quattro 2005: 12 Automatic day/night interior mirror Driver side door control module Front interior light G33 G44 Light recognition sensor Light switch Passenger side door control module T10e T10f T32b Vehicle electrical system control module Power Mirror Wiring Diagram for Audi S4 Quattro 2005 List of elements for Power Mirror Wiring Diagram for Audi S4 Quattro 2005: 21 22a De- fog Defogger system Door locks, interior lights systems Driver side mirror Driver's side door control module Front passenger's side door control module Fuse 15a Fuse holder G43 G44 Hot at all times Mirror adjustment switch Mirror selector switch Passenger side mirror Red T10e T10f T16b T16c T32c
POWER SEATS Front Seat Heater Wiring Diagram, with Convertible for Audi S4 Quattro 2005 List of elements for Front Seat Heater Wiring Diagram, with Convertible for Audi S4 Quattro 2005: 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 G44 G663 Heated seat temp sensor Heated steering wheel (if equipped) Hot at all times Nca Passenger's backrest heating element Passenger's seat heater Seat heater Side bolster heater Steering column electronic systems control module (if equipped) Steering wheel control unit T16a Front Seat Heater Wiring Diagram, without Convertible for Audi S4 Quattro 2005 List of elements for Front Seat Heater Wiring Diagram, without Convertible for Audi S4 Quattro 2005: 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 G44 G78 Heated seat temp sensor Heated steering wheel (if equipped) Hot at all times Nca Passenger's backrest heating element Passenger's seat heater Seat heater Side bolster heater Steering column electronic systems control module (if equipped) Steering wheel control unit T16a Lumbar Wiring Diagram for Audi S4 Quattro 2005 List of elements for Lumbar Wiring Diagram for Audi S4 Quattro 2005: 13 4-pin relay carrier Driver seat lumbar support adjustment switch Driver seat lumbar support curvature adjusting motor Driver seat lumbar support height adjusting motor G77 G78 Hot at all times Lumbar curv- ature Lumbar height Passenger seat lumbar support adjustment switch Passenger seat lumbar support curvature adjusting motor Passenger seat lumbar support height adjusting motor Power seat fuse 45 10a Power Seat Wiring Diagram, with Convertible (1 of 2) for Audi S4 Quattro 2005 List of elements for Power Seat Wiring Diagram, with Convertible (1 of 2) for Audi S4 Quattro 2005: 25 4-pin relay carrier Backrest adjust Computer data lines system Driver's entry assistance button Driver's power seat switch Driver's seat fore/aft motor/ sensor Driver's seat headrest latch Driver's seat headrest motor/ sensor Driver's seat height motor Driver's seat inclination motor Driver's seat seatback latch Driver's seat seatback motor Fore/aft adjust G662 Headrest adjust Height adjust Hot at all times Inclination adjust Left entry assistance control module Power seat fuse 45 30a Red T10v T12h T32g T6n Power Seat Wiring Diagram, with Convertible (2 of 2) for Audi S4 Quattro 2005 List of elements for Power Seat Wiring Diagram, with Convertible (2 of 2) for Audi S4 Quattro 2005: 25 4-pin relay carrier Backrest adjust Computer data lines system Fore/aft adjust G663 Headrest adjust Height adjust Hot at all times Inclination adjust Passenger's entry assistance button Passenger's power seat switch Passenger's seat fore/aft motor/ sensor Passenger's seat headrest latch Passenger's seat headrest motor/ sensor Passenger's seat height motor Passenger's seat inclination motor Passenger's seat seatback latch Passenger's seat seatback motor Power seat fuse 46 30a Red Right entry assistance control module T10w T12i T32h T6o Power Seat Wiring Diagram, without Convertible for Audi S4 Quattro 2005 List of elements for Power Seat Wiring Diagram, without Convertible for Audi S4 Quattro 2005: 16 4-pin relay carrier Driver's power seat switch Driver's seat fore/aft adjustment motor Driver's seat height adjustment motor Driver's seat inclination adjustment motor Driver's seat seatback adjustment motor G77 G78 Hot at all times Passenger's power seat switch Passenger's seat fore/aft adjustment motor Passenger's seat height adjustment motor Passenger's seat inclination adjustment motor Passenger's seat seatback adjustment motor Power seat fuse 45 30a Power seat fuse 46 30a Rear Seat Heater Wiring Diagram for Audi S4 Quattro 2005 List of elements for Rear Seat Heater Wiring Diagram for Audi S4 Quattro 2005: 18 44a Fuse 10a Fuse 30a Fuse holder G78 Heated seat temp sensor Hot at all times Hot in run or start Interior lights system Left rear backrest heating element Left rear heated seat control module Left rear seat heater Nca Right rear backrest heating element Right rear heated seat control module Right rear seat heater Seat heater Seat occupied sensor
POWER TOP/SUNROOF Convertible Top Wiring Diagram (1 of 2) for Audi S4 Quattro 2005 List of elements for Convertible Top Wiring Diagram (1 of 2) for Audi S4 Quattro 2005: 18 30a Computer data lines system Convertible top compartment cover locking motor Convertible top compartment latch switch Convertible top control module Convertible top frame position sensor Convertible top lock switch (closed) Convertible top lock switch (open) Convertible top locking motor Convertible top operation switch Defogger system Fuse 30a Fuse holder G661 G663 Hot at all times Interior lights system Nca Convertible Top Wiring Diagram (2 of 2) for Audi S4 Quattro 2005 List of elements for Convertible Top Wiring Diagram (2 of 2) for Audi S4 Quattro 2005: 22 3-pin relay carrier Comfort system central control module Compartment cover open position switch Convertible top closed position switch Convertible top compartment enclosure position switch Convertible top front lock switch Convertible top fuse 40a Convertible top hydraulic pump Convertible top hydraulic pump relay Convertible top hydraulic pump relay 2 Convertible top open position switch Convertible top operation hydraulic unit Convertible top right lock switch G661 G663 Hot at all times Left convertible top cover compartment cover switch Nca Power convertible top valve 1 Power convertible top valve 2 Power convertible top valve 3 Right compartment cover locked switch 1 Sunroof Wiring Diagram for Audi S4 Quattro 2005 List of elements for Sunroof Wiring Diagram for Audi S4 Quattro 2005: 16 30a Abs control module Comfort system central control module Early production late production Front interior light Fuse 20a Fuse holder G44 Hot at all times Instrument cluster system Nca Power sunroof control module Power windows system Sunroof switch T12h T12i
POWER WINDOWS Power Windows Wiring Diagram, with Convertible for Audi S4 Quattro 2005 List of elements for Power Windows Wiring Diagram, with Convertible for Audi S4 Quattro 2005: 33 22a 4-pin relay carrier Comfort system central control module Computer data lines system Door locks, mirrors & interior lights systems Driver's side door control module Front passenger's side door control module Fuse 15a Fuse holder G43 G44 G662 G663 Hot at all times Interior lights systems Interior lights, mirrors & door locks systems Left front window regulator switch Left rear window regulator motor Left rear window regulator switch Left window motor Master power window switch Passenger door window regulator switch Power window fuse 2 30a Power window fuse 37 30a Right front window regulator switch Right rear window regulator motor Right rear window regulator switch Right window motor T10e T10f T32c T32d Window regulator central switch Power Windows Wiring Diagram, without Convertible for Audi S4 Quattro 2005 List of elements for Power Windows Wiring Diagram, without Convertible for Audi S4 Quattro 2005: 45 22a 23a 4-pin relay carrier Comfort system central control module Computer data lines system Door locks, mirrors & interior lights systems Driver's side door control module Front passenger's side door control module Fuse 15a Fuse holder G43 G44 G77 G78 Hot at all times Interior lights system Interior lights systems Interior lights, mirrors & door locks systems Left front window regulator switch Left rear door control module Left rear window motor Left rear window regulator switch Left rear window switch Left window motor Master power window switch Passenger door window regulator switch Power window fuse 2 30a Power window fuse 37 30a Rear window safety regulator switch Right front window regulator switch Right rear door control module Right rear window motor Right rear window regulator switch Right rear window switch Right window motor T10e T10f T10g T10h T12h T16d T16e T16i T32c T32d Rear Window Sun Shade Wiring Diagram, without Convertible for Audi S4 Quattro 2005 List of elements for Rear Window Sun Shade Wiring Diagram, without Convertible for Audi S4 Quattro 2005: 12 9-pin relay carrier Fuse 10a Fuse holder G50 Hot at all times Hot in on or start Interior lights system Nca Rear shade circuit breaker 10a Rear window shade control module Rear window shade motor Rear window shade switch
RADIO Bose Symphony Concert Wiring Diagram, without Convertible with Amplifier (1 of 2) for Audi S4 Quattro 2005 List of elements for Bose Symphony Concert Wiring Diagram, without Convertible with Amplifier (1 of 2) for Audi S4 Quattro 2005: 34 39a Cd changer unit Comfort system central control module Computer data lines system Fuse 20a Fuse holder G43 G610 Hot at all times Inside loudspeaker (center speaker) Left front bass speaker Left front midrange speaker Left rear bass speaker Left rear midrange speaker Nca Pnk Radio Right front bass speaker Right front midrange speaker Right rear bass speaker Right rear midrange speaker Satellite antenna Satellite radio Satellite tuner antenna T10i T20d T20g T42 T8a T8o T8p Telephone/ telematic control module W/ satellite radio W/o satellite radio Bose Symphony Concert Wiring Diagram, without Convertible with Amplifier (2 of 2) for Audi S4 Quattro 2005 List of elements for Bose Symphony Concert Wiring Diagram, without Convertible with Amplifier (2 of 2) for Audi S4 Quattro 2005: 27 (sedan) antenna section control module Air bag spiral spring/ return spring w/ slip ring Amplifier Avant Bass loudspeaker Cluster Comfort system central control module Computer data lines system G610 Instrument Left antenna module (avant) Left rear bass speaker Left rear midrange speaker Left rear side window antenna Nca Radio controls Rear window defogger w/ window antenna Right rear bass speaker Right rear midrange speaker Right rear side window antenna Sedan Steering column electronic systems control module (if equipped) Steering wheel control unit T16a T16j T32 T32a Bose Symphony Concert Wiring Diagram, without Convertible with Bose (1 of 2) for Audi S4 Quattro 2005 List of elements for Bose Symphony Concert Wiring Diagram, without Convertible with Bose (1 of 2) for Audi S4 Quattro 2005: 34 39a Cd changer unit Comfort system central control module Computer data lines system Fuse 20a Fuse holder G43 G610 Hot at all times Inside loudspeaker (center speaker) Left front bass speaker Left front midrange speaker Left rear bass speaker Left rear midrange speaker Nca Pnk Radio Right front bass speaker Right front midrange speaker Right rear bass speaker Right rear midrange speaker Satellite antenna Satellite radio Satellite tuner antenna T10i T20d T20g T42 T8a T8o T8p Telephone/ telematic control module W/ satellite radio W/o satellite radio Bose Symphony Concert Wiring Diagram, without Convertible with Bose (2 of 2) for Audi S4 Quattro 2005 List of elements for Bose Symphony Concert Wiring Diagram, without Convertible with Bose (2 of 2) for Audi S4 Quattro 2005: 31 (sedan) antenna section control module Air bag spiral spring/ return spring w/ slip ring Amplifier Avant Bass loudspeaker Cluster Comfort system central control module Computer data lines system G610 Inside loudspeaker Inside microphone Instrument Left antenna module (avant) Left front bass speaker Left front midrange speaker Left rear side window antenna Nca Radio controls Rear window defogger w/ window antenna Right front bass speaker Right front midrange speaker Right rear bass speaker Right rear midrange speaker Right rear side window antenna Sedan Steering column electronic systems control module (if equipped) Steering wheel control unit T16a T16j T32 T32a Bose Symphony Concert Wiring Diagram, without Convertilbe without Amplifier for Audi S4 Quattro 2005 List of elements for Bose Symphony Concert Wiring Diagram, without Convertilbe without Amplifier for Audi S4 Quattro 2005: 44 (pins 3 to 8 not used) 39a Air bag spiral spring/ return spring w/ slip ring Antenna Avant Cd changer unit Comfort system central control module Computer data lines system Fuse 20a Fuse holder G610 Hot at all times Instrument cluster Left antenna module Left front bass speaker Left front midrange speaker Left rear bass speaker Left rear midrange speaker Nca Pnk Radio Radio controls Rear window defogger w/ window antenna Right front bass speaker Right front midrange speaker Right rear bass speaker Right rear midrange speaker Right rear side window antenna Satellite antenna Satellite radio Satellite tuner antenna Sedan Steering column electronic systems control module (if equipped) Steering wheel control unit T16a T20d T20g T32 T32a T8a T8o T8p W/ satellite radio W/o satellite radio Bose Symphony II Wiring Diagram, without Convertible with Amplifier (1 of 2) for Audi S4 Quattro 2005 List of elements for Bose Symphony II Wiring Diagram, without Convertible with Amplifier (1 of 2) for Audi S4 Quattro 2005: 30 39a Cd changer unit Comfort system central control module Computer data lines system Fuse 20a Fuse holder G43 G610 Hot at all times Inside loudspeaker Left front bass speaker Left front midrange speaker Nca Pnk Radio Right front bass speaker Right front midrange speaker Satellite antenna Satellite radio Satellite tuner antenna T10i T20d T20g T42 T8a T8o T8p Telephone/ telematic control module W/ satellite radio W/o satellite radio Bose Symphony II Wiring Diagram, without Convertible with Amplifier (2 of 2) for Audi S4 Quattro 2005 List of elements for Bose Symphony II Wiring Diagram, without Convertible with Amplifier (2 of 2) for Audi S4 Quattro 2005: 28 (sedan) antenna section control module Air bag spiral spring/ return spring w/ slip ring Amplifier Avant Bass loudspeaker Cluster Comfort system central control module Computer data lines system G610 Instrument Left antenna module (avant) Left rear bass speaker Left rear midrange speaker Left rear side window antenna Nca Radio controls Rear window defogger w/ window antenna Right antenna module (avant) Right rear bass speaker Right rear midrange speaker Right rear side window antenna Sedan Steering column electronic systems control module (if equipped) Steering wheel control unit T16a T16j T32 T32a Bose Symphony II Wiring Diagram, without Convertible with Bose (1 of 2) for Audi S4 Quattro 2005 List of elements for Bose Symphony II Wiring Diagram, without Convertible with Bose (1 of 2) for Audi S4 Quattro 2005: 26 39a Cd changer unit Comfort system central control module Computer data lines system Fuse 20a Fuse holder G43 G610 Hot at all times Left rear bass speaker Left rear midrange speaker Nca Pnk Radio Satellite antenna Satellite radio Satellite tuner antenna T10i T20d T20g T42 T8o T8p Telephone/ telematic control module W/ satellite radio W/o satellite radio Bose Symphony II Wiring Diagram, without Convertible with Bose (2 of 2) for Audi S4 Quattro 2005 List of elements for Bose Symphony II Wiring Diagram, without Convertible with Bose (2 of 2) for Audi S4 Quattro 2005: 32 (sedan) antenna section control module Air bag spiral spring/ return spring w/ slip ring Amplifier Avant Bass loudspeaker Cluster Comfort system central control module Computer data lines system G610 Inside loudspeaker Inside microphone Instrument Left antenna module (avant) Left front bass speaker Left front midrange speaker Left rear side window antenna Nca Radio controls Rear window defogger w/ window antenna Right antenna module (avant) Right front bass speaker Right front midrange speaker Right rear bass speaker Right rear midrange speaker Right rear side window antenna Sedan Steering column electronic systems control module (if equipped) Steering wheel control unit T16a T16j T32 T32a Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Amplifier (1 of 2) for Audi S4 Quattro 2005 List of elements for Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Amplifier (1 of 2) for Audi S4 Quattro 2005: 28 39a Cd changer unit Comfort system central control module Control module for navigation w/ cd mechanism Fuse 20a Fuse holder G43 G610 Gps Hot at all times Inside loudspeaker Left front bass speaker Left front midrange speaker Nca Right front bass speaker Right front midrange speaker Satellite antenna Satellite radio Satellite tuner antenna T12m T12n T16j T20g T8o T8p T8q W/ satellite radio W/o satellite radio Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Amplifier (2 of 2) for Audi S4 Quattro 2005 List of elements for Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Amplifier (2 of 2) for Audi S4 Quattro 2005: 32 (sedan) antenna section control module (w/ voice control) telephone transceiver Air bag spiral spring/ return spring w/ slip ring Amplifier Avant Bass loudspeaker Cluster Comfort system central control module Computer data lines system G610 Gps antenna splitter Instrument Left antenna module (avant) Left rear bass speaker Left rear midrange speaker Left rear side window antenna Navigation system antenna Nca Radio controls Rear window defogger w/ window antenna Right antenna module (avant) Right rear bass speaker Right rear midrange speaker Right rear side window antenna Sedan Steering column electronic systems control module (if equipped) Steering wheel control unit T16a T16j T32 T32a Telephone microphone Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Bose (1 of 2) for Audi S4 Quattro 2005 List of elements for Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Bose (1 of 2) for Audi S4 Quattro 2005: 32 (w/ voice control) telephone transceiver 39a Cd changer unit Comfort system central control module Control module for navigation w/ cd mechanism Fuse 20a Fuse holder G43 G610 Gps Hot at all times Inside loudspeaker Left front bass speaker Left front midrange speaker Left rear bass speaker Left rear midrange speaker Nca Right front bass speaker Right front midrange speaker Satellite antenna Satellite radio Satellite tuner antenna T12m T12n T16j T20g T8o T8p T8q Telephone microphone W/ satellite radio W/o satellite radio Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Bose (2 of 2) for Audi S4 Quattro 2005 List of elements for Radio/Navigation Wiring Diagram, without Convertible with RNS-E with Bose (2 of 2) for Audi S4 Quattro 2005: 34 (sedan) antenna section control module Air bag spiral spring/ return spring w/ slip ring Amplifier Avant Bass loudspeaker Cluster Comfort system central control module Computer data lines system G610 Gps antenna splitter Inside loudspeaker Inside microphone Instrument Left antenna module (anant) Left front bass speaker Left front midrange speaker Left rear side window antenna Navigation system antenna Nca Radio controls Rear window defogger w/ window antenna Right antenna module (anant) Right front bass speaker Right front midrange speaker Right rear bass speaker Right rear midrange speaker Right rear side window antenna Sedan Steering column electronic systems control module (if equipped) Steering wheel control unit T16a T16j T32 T32a
SHIFT INTERLOCK Shift Interlock Wiring Diagram, 5 Speed A/T for Audi S4 Quattro 2005 List of elements for Shift Interlock Wiring Diagram, 5 Speed A/T for Audi S4 Quattro 2005: 7 31a Fuse 15a Fuse holder Hot in run or start Shift lock solenoid Tiptronic switch Transmission control module (tcm) Shift Interlock Wiring Diagram, 6 Speed A/T for Audi S4 Quattro 2005 List of elements for Shift Interlock Wiring Diagram, 6 Speed A/T for Audi S4 Quattro 2005: 7 31a Fuse 15a Fuse holder Hot in run or start Shift lock solenoid Tiptronic switch Transmission control module (tcm) Shift Interlock Wiring Diagram, CVT for Audi S4 Quattro 2005 List of elements for Shift Interlock Wiring Diagram, CVT for Audi S4 Quattro 2005: 7 After-run auto transmission fuse Fuse s286 15a G43 Hot w/ ecm relay energized Shift lock solenoid Tiptronic switch Transmission control module (tcm)
STARTING/CHARGING Charging Wiring Diagram for Audi S4 Quattro 2005 List of elements for Charging Wiring Diagram for Audi S4 Quattro 2005: 18 1.8l Acc Battery Fuse 150a Fuse strip (main fuse) G11 Generator Generator warning light Ignition/ starter switch Instrument cluster Lock Motronic engine control module Nca Off Red Start Starter T32a Starting Wiring Diagram, 5 Speed A/T for Audi S4 Quattro 2005 List of elements for Starting Wiring Diagram, 5 Speed A/T for Audi S4 Quattro 2005: 18 50b 50z Acc Battery Charging circuit Fuse 150a Fuse strip (main fuse) G11 G12 Ignition/ starter switch Lock Multi-function transmission range (tr) switch Nca Off Red Start Starter Starter interlock alarm system relay Starting Wiring Diagram, 6 Speed A/T for Audi S4 Quattro 2005 List of elements for Starting Wiring Diagram, 6 Speed A/T for Audi S4 Quattro 2005: 21 50a 50b 50z Acc Battery Charging circuit Fuse 150a Fuse strip (main fuse) G11 Ignition/ starter switch Lock Mass air flow (maf) sensor Nca Neutral position (pnp) relay Off P/n Park/ 50z Red Start Starter Transmission control module (tcm) Starting Wiring Diagram, M/T for Audi S4 Quattro 2005 List of elements for Starting Wiring Diagram, M/T for Audi S4 Quattro 2005: 17 50b Acc Battery Charging circuit Clutch vacuum vent valve switch Fuse 150a Fuse strip (main fuse) G11 G43 Ignition/ starter switch Lock Nca Off Red Start Starter Starter locking relay (clutch pedal switch) Starting Wiring Diagram, with CVT for Audi S4 Quattro 2005 List of elements for Starting Wiring Diagram, with CVT for Audi S4 Quattro 2005: 19 50a 50b 50z Acc Battery Charging circuit Fuse 150a Fuse strip (main fuse) G11 Ignition/ starter switch Lock Nca Off P/n Park/ neutral position (pnp) relay Red Start Starter Transmission control module (tcm)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram, Early Production without Convertible (1 of 2) for Audi S4 Quattro 2005 List of elements for Supplemental Restraints Wiring Diagram, Early Production without Convertible (1 of 2) for Audi S4 Quattro 2005: 23 Air bag control module Air bag spiral spring/return spring w/slip ring Center rear safety belt tensioner igniter Driver's head curtain air bag igniter Driver's safety belt tensioner igniter 1 Driver's side air bag igniter Driver's side rear passenger's side air bag igniter Driver's side rear safety belt tensioner igniter Front passenger's air bag igniter Front passenger's safety belt tensioner igniter 1 Front passenger's side air bag igniter Front passenger's side rear passenger's side air bag igniter Front passenger's side rear safety belt tensioner igniter G637 G77 Igniter 1 Igniter 2 Nca Red Sedan Shorting contact Solid state Steering column electronic systems control module Supplemental Restraints Wiring Diagram, Early Production without Convertible (2 of 2) for Audi S4 Quattro 2005 List of elements for Supplemental Restraints Wiring Diagram, Early Production without Convertible (2 of 2) for Audi S4 Quattro 2005: 33 11a Air bag control module Air bag malfunction indicator lamp (mil) Comfort system central control module Computer data lines system Driver's front air bag crash sensor Driver's side air bag crash sensor Driver's side rear side air bag crash sensor Front passenger's side air bag crash sensor Front passenger's head curtain air bag igniter Front passenger's seat occupied sensor (if equipped) Front passenger's side rear side air bag crash sensor Fuse 5a Fuse holder G637 G77 Hot in on or start Instrument cluster Left seat belt switch Motronic engine control module (ecm) Nca Passenger's front air bag crash sensor Red Right seat belt switch Seat occupied recognition control module (w/ bladder mat) Seat occupied recognition pressure sensor Seat occupied recognition safety belt force sensor Sedan Shorting contact Solid state T32a W/ bladder mat W/o bladder mat Supplemental Restraints Wiring Diagram, Late Production without Convertible (1 of 2) for Audi S4 Quattro 2005 List of elements for Supplemental Restraints Wiring Diagram, Late Production without Convertible (1 of 2) for Audi S4 Quattro 2005: 34 Acc Air bag control module Air bag spiral spring/return spring w/slip ring Comfort system central control module Driver side rear seat belt tensioner igniter Driver's rear side air bag igniter Driver's side air bag igniter Driver's side head air bag igniter Front passenger's air bag igniter Front passenger's head air bag igniter Front passenger's side air bag igniter G637 G77 G78 Hot at all times Igniter 1 Igniter 2 Ignition/ starter switch Lock Motronic engine control module (ecm) Nca Nca + Nca - Off Passenger side rear seat belt tensioner igniter Passenger's rear side air bag igniter Red Run Sedan Shorting contact Solid state Start Steering column electronic systems control module Telephone/telematic control module Supplemental Restraints Wiring Diagram, Late Production without Convertible (2 of 2) for Audi S4 Quattro 2005 List of elements for Supplemental Restraints Wiring Diagram, Late Production without Convertible (2 of 2) for Audi S4 Quattro 2005: 31 11a Air bag control module Air bag malfunction indicator lamp (mil) Computer data lines system Data link connector (dlc) Driver's front air bag crash sensor Driver's seat belt tensioner igniter 1 Driver's side air bag crash sensor Driver's side rear side air bag crash sensor Front passenger's seat belt tensioner igniter 1 Fuse 5a Fuse holder G637 G77 Hot in on or start Instrument cluster Left safety belt switch Micro- switch Nca Passenger's front air bag crash sensor Passenger's side air bag crash sensor Passenger's side rear side air bag crash sensor Rear center seat belt tensioner igniter Red Right seat belt switch Seat occupied recognition control module Seat occupied recognition pressure sensor Seat occupied recognition safety belt force sensor Shorting contact Solid state T32a
TRANSMISSION A/T Wiring Diagram, 6 Speed A/T for Audi S4 Quattro 2005 List of elements for A/T Wiring Diagram, 6 Speed A/T for Audi S4 Quattro 2005: 30 1.8l & 3.0l 31a 4.2l Acc Automatic transmission after-run fuse Computer data lines system Data link connector Exterior lights system Fuse 10a Fuse 15a Fuse holder G12 G33 Hot at all times Hot w/ ecm relay energized Ignition/ starter switch Instrument cluster Interior lights system Lock Motronic engine control module Off Park/ neutral position (pnp) relay Shift lock solenoid Start Starting/ charging system T32a Tiptronic switch Transmission control module (tcm) W/ convertible W/o convertible
TRUNK, TAILGATE, FUEL DOOR Trunk & Fuel Door Release Wiring Diagram, without Convertible Early Production for Audi S4 Quattro 2005 List of elements for Trunk & Fuel Door Release Wiring Diagram, without Convertible Early Production for Audi S4 Quattro 2005: 15 Comfort system central control module Computer data lines system Driver side door control module Fuel tank lid unlock motor G50 Interior lights system Rear lid lock cylinder switch Rear lid remote control release switch Rear lid unlock motor & trunk lid alarm switch Red Remote power fuel tank lid release info not available T10e T12h T16i T32c Trunk & Fuel Door Release Wiring Diagram, without Convertible Late Production for Audi S4 Quattro 2005 List of elements for Trunk & Fuel Door Release Wiring Diagram, without Convertible Late Production for Audi S4 Quattro 2005: 16 Comfort system central control module Computer data lines system Driver side door control module Fuel tank lid unlock motor G50 Interior lights system Rear lid lock cylinder switch Rear lid remote control release switch Rear lid unlock motor Red Remote power fuel tank lid release info not available T10e T12h T16i T32c Trunk lid alarm switch
WARNING SYSTEMS Brake Wear Sensor Wiring Diagram for Audi S4 Quattro 2005 List of elements for Brake Wear Sensor Wiring Diagram for Audi S4 Quattro 2005: 21 15a 86s Acc Fuse 10a Fuse holder G12 (w/ convertible) G26 (w/o convertible) G33 Hot at all times Ignition/ starter switch Instrument cluster Key switch Left front brake pad wear sensor Lock Nca Off Red Right front brake pad wear sensor Start T32 T32a Tire Pressure Monitoring Wiring Diagram for Audi S4 Quattro 2005 List of elements for Tire Pressure Monitoring Wiring Diagram for Audi S4 Quattro 2005: 21 (w/o convertible) 17a Computer data lines system Function selector switch 2 Fuse 10a Fuse holder G33 G662 (w/ convertible) Hot at all times Hot in on or start Instrument cluster Instrument cluster system Interior lights system Left front tire pressure monitoring sensor Left rear tire pressure monitoring sensor Right front tire pressure monitoring sensor Right rear tire pressure monitoring sensor T32 T32a Tire pressure monitoring antenna Tire pressure monitoring control module
WIPER/WASHER Jet Heater Wiring Diagram for Audi S4 Quattro 2005 List of elements for Jet Heater Wiring Diagram for Audi S4 Quattro 2005: 7 (w/ convertible) g49 (w/o convertible) g33 Fuse 5a Fuse holder Hot in run Left washer nozzle heater Right washer nozzle heater Wiper/Washer Wiring Diagram for Audi S4 Quattro 2005 List of elements for Wiper/Washer Wiring Diagram for Audi S4 Quattro 2005: 45 (avant) (w/ convertible) g49 (w/ convertible) g49 g33 (w/o convertible) (w/o convertible) g33 13a 15a 36a 37a Acc Computer data lines system Fuse 10a Fuse 150a Fuse 25a Fuse 30a Fuse holder Fuse strip (main fuse) G44 G53 Headlight washer pump Hot at all times Hot w/ load reduction relay energized Ignition/ starter switch Instrument cluster control module Instrument cluster system Lock Nca Off Rear windshield wiper motor (avant) Red Start Steering column electronic systems control module T10b T16a T23 T32 T32a T32b Vehicle electrical system control module W/ avant W/ convertible W/o convertible Windshield washer fluid level warning switch Windshield washer pump Windshield wiper motor Windshield wiper/washer switch