Diagram sections — 28 (49 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER ANTENNA POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C-Heater System Wiring Diagram (With Automatic Transmission Wiring Diagram, A/T 1 Of for Audi 90 Quattro 1995 List of elements for Automatic A/C-Heater System Wiring Diagram (With Automatic Transmission Wiring Diagram, A/T 1 Of for Audi 90 Quattro 1995: 27 (left side of i/p) 1995 vftc c A/c control head Air flow flap motor Auxiliary relay panel 2 B10 Battery (30) C10 C11 Central flap motor potentiometer Data link connector Engine control module Footwell/defrost flap motor potentiometer Fuse 15a Fuse 25a Fuse 30a Fuse 5a Fuse 60a Fuse/ relay panel G202 (left side of i/p) Hot at all times Hot w/ lights on Hot w/ load reduction relay energized (x) Ignition (15) Interior temperature sensor fan Temp regulator flap motor potentiometer Transmission control module Automatic A/C-Heater System Wiring Diagram (With Automatic Transmission Wiring Diagram, A/T 2 Of for Audi 90 Quattro 1995 List of elements for Automatic A/C-Heater System Wiring Diagram (With Automatic Transmission Wiring Diagram, A/T 2 Of for Audi 90 Quattro 1995: 30 (in battery box) (left side of i/p) (left side of i/p) g202 (near compressor) 1995 vftc c A/c compressor clutch A/c compressor clutch relay A/c compressor speed sensor A/c refrigerant high pressure switch A/c refrigerant low pressure switch Ambient temperature sensor Blower motor Coolant fan control relay (in fuse/relay panel) Coolant fan control thermo switch Coolant fan resistors Coolant fans Digital outside air temperature display Electronic thermo switch Fresh air blower control module Fresh air duct temperature sensor Fresh air recirculating flap valve G202 G202 (left side of i/p) Instrument cluster Interior temperature sensor (headliner) Interior temperature sensor (instrument cluster) Low coolant switch Protection diode Second speed coolant fan control relay Third speed coolant fan control relay Automatic A/C-Heater System Wiring Diagram (With Manual Transmission Wiring Diagram, M/T 1 Of 2) for Audi 90 Quattro 1995 List of elements for Automatic A/C-Heater System Wiring Diagram (With Manual Transmission Wiring Diagram, M/T 1 Of 2) for Audi 90 Quattro 1995: 27 (left side of i/p) 1995 vftc c A/c control head Air flow flap motor Auxiliary relay panel 2 B10 Battery (30) C10 C11 Central flap motor potentiometer Data link connector Engine control module Footwell/defrost flap motor potentiometer Fuse 15a Fuse 25a Fuse 30a Fuse 5a Fuse 60a Fuse/ relay panel G202 (left side of i/p) Hot at all times Hot w/ lights on Hot w/ load reduction relay energized (x) Ignition (15) Interior temperature sensor fan Temp regulator flap motor potentiometer Transmission control module Automatic A/C-Heater System Wiring Diagram (With Manual Transmission Wiring Diagram, M/T 2 Of 2) for Audi 90 Quattro 1995 List of elements for Automatic A/C-Heater System Wiring Diagram (With Manual Transmission Wiring Diagram, M/T 2 Of 2) for Audi 90 Quattro 1995: 29 (in battery box) (left side of i/p) (left side of i/p) g202 (near compressor) 1995 vftc c A/c compressor clutch A/c compressor clutch relay A/c compressor speed sensor A/c refrigerant high pressure switch A/c refrigerant low pressure switch Ambient temperature sensor Blower motor Coolant fan control relay (in fuse/relay panel) Coolant fan control thermo switch Coolant fan resistors Coolant fans Digital outside air temperature display Electronic thermo switch Fresh air blower control module Fresh air duct temperature sensor Fresh air recirculating flap valve G202 G202 (left side of i/p) Instrument cluster Interior temperature sensor (headliner) Interior temperature sensor (instrument cluster) Low coolant switch Protection diode Second speed coolant fan control relay Manual A/C Wiring Diagram, A/T for Audi 90 Quattro 1995 List of elements for Manual A/C Wiring Diagram, A/T for Audi 90 Quattro 1995: 48 (behind left side of i/p) g202 (in battery box) g100 (near compressor) (not used) 1995 vftc c A/c clutch control module A/c compressor clutch A/c compressor speed sensor A/c flap solenoid A/c refrig- erant low pressure switch A/c refrigerant A/c refrigerant high pressure switch A/c switch Ambient temper- ature switch Auxiliary relay panel B10 Blower motor Blower resistors Blower switch C10 C11 Coolant fan Coolant fan control relay Coolant fan control series resistors Coolant fan control thermoswitch Data link connector Engine control module Engine coolant temperature electronic thermo switch Engine coolant temperature gauge Fuse 15a Fuse 25a Fuse 30a Fuse 60a Fuse/ relay panel G202 (behind left side of i/p) Heater fan High pressure switch Hot at all times Hot with load reduction relay energized (x) Ignition (15) Interior lights system Off Protection diode Relay Second speed coolant fan control relay Third speed coolant fan control relay Transmission control module Wire distributor Manual A/C Wiring Diagram, M/T for Audi 90 Quattro 1995 List of elements for Manual A/C Wiring Diagram, M/T for Audi 90 Quattro 1995: 46 (behind left side of i/p) (left side i/p) (left side of i/p) (near compressor) 1995 vftc c A/c compressor clutch A/c compressor clutch control module A/c compressor speed sensor A/c flap solenoid A/c refrig- erant low pressure switch A/c refrigerant A/c refrigerant high pressure switch A/c switch Auxiliary relay panel B10 Blower motor Blower resistors Blower switch C10 C11 Coolant fan control relay (in fuse/ relay panel) Coolant fan resistors Coolant fan thermo switch Data link connector Diode Electronic thermo switch Engine control module Fuse 15a Fuse 30a Fuse 60a Fuse/ relay panel G202 G202 (behind left side of i/p) Heater fan relay (in fuse/ relay panel) Hot at all times Hot with load reduction relay energized (x) Ignition (15) Instru- ment cluster Interior lights system Low coolant switch Off Outside temp switch Pressure safety switch Protection diode Third speed coolant fan ctrl relay Trans- mission control module
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram, FWD for Audi 90 Quattro 1995 List of elements for Anti-lock Brakes Wiring Diagram, FWD for Audi 90 Quattro 1995: 33 (behind left side of i/p) (below left (left firewall) Abs Abs return flow pump Abs return flow pump relay Abs solenoid relay Abs solenoid valves Abs warning ind. All times Brake lamp switch Control Data link connector (near relay panel) Fuse 12 15a Fuse 29 10a Fuse 31 15a Fuse/relay panel (left side plenum tray) G202 Hot at Hot at all times Hot in on or start Hydraulic Instrument cluster Left front wheel sensor Left rear wheel sensor Module Nca Rear seat) Red Red red Right front wheel sensor Right rear wheel sensor Unit Anti-lock Brakes Wiring Diagram, Quattro for Audi 90 Quattro 1995 List of elements for Anti-lock Brakes Wiring Diagram, Quattro for Audi 90 Quattro 1995: 42 (behind left side of i/p) (below left (left firewall) (left side Abs Abs control module Abs return flow pump Abs return flow pump relay Abs solenoid valve relay Abs solenoid valves Abs warning ind All times Brake lamp Data link connector (near relay panel) Differential lock control module Differential lock switch Display unit Fuse 12 15a Fuse 29 10a Fuse 31 15a Fuse/relay panel (left side plenum tray) G202 G202 (left side of i/p) Hot at Hot at all times Hot in on or start Hydraulic Instrument cluster Interior lights system Left front wheel sensor Left rear wheel sensor Nca Of i/p) Rear diff lock ind Rear differential lock switch Rear seat) Red Red red Right front wheel sensor Right rear wheel sensor Speedometer Unit
ANTI-THEFT Anti-theft & Central Locking Wiring Diagram (1 of 2) for Audi 90 Quattro 1995 List of elements for Anti-theft & Central Locking Wiring Diagram (1 of 2) for Audi 90 Quattro 1995: 52 (left side 3/k 7/30 86s A/t only Acc Alarm horn Alarm switch All times Auxiliary C15a Central locking/ alarm system/ interior light delay control module Control Driver door central locking system switch Driver door handle alarm switch E50a F30al F50z Front interior light Function Fuse 12a Fuse 15a G202 (behind left G404 (near left Hood Hot at Hot in on or start Ignition Key switch L30 Module (tcm) Multi- Nca Off Park/ neutral position relay Passenger door central locking system switch Passenger door handle alarm switch Plenum tray) Radio Rear fog light switch Red Relay panel Side of i/p) Start Starter Switch Taillight) Transmission Transmission range switch Trunk lid alarm switch Trunk lock alarm/ central locking switch Turn/ hazard lights Anti-theft & Central Locking Wiring Diagram (2 of 2) for Audi 90 Quattro 1995 List of elements for Anti-theft & Central Locking Wiring Diagram (2 of 2) for Audi 90 Quattro 1995: 7 Left front door contact switch Left infrared central locking system sensor Left rear door contact switch Nca Right front door contact switch Right infrared central locking system sensor Right rear door contact switch
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Audi 90 Quattro 1995 List of elements for Computer Data Lines Wiring Diagram for Audi 90 Quattro 1995: 23 (01n) (behind left side of i/p) (left side plenum tray) 3/d A/c compressor clutch control module A/c control head Abs control module Airbag control module C12 C13 Data link (dlc) connector Data link connector (dlc) Engine control module (ecm) Fuse 10a Fuse/relay panel G202 Hot at all times M30ac T2x T2z Trans- mission control module (tcm) W/ auto a/c W/ manual a/c
COOLING FAN Cooling Fan Wiring Diagram, A/T with Auto A/C for Audi 90 Quattro 1995 List of elements for Cooling Fan Wiring Diagram, A/T with Auto A/C for Audi 90 Quattro 1995: 23 (behind left side of i/p) (in battery box) (left side plenum tray) A/c control head A/c refrigerant high pressure switch Auxiliary Coolant fan fuse 42 60a Coolant fan control relay Coolant fan control series resistance Coolant fan control thermo- switch Coolant fans D16 Fuse 15 25a Fuse/ relay panel Fuse/ relay panel (left side plenum tray) G202 Ground Hot at all times Hot in run Or accy Relay panel Second speed coolant fan control relay Third speed coolant fan control relay Cooling Fan Wiring Diagram, A/T with Manual A/C for Audi 90 Quattro 1995 List of elements for Cooling Fan Wiring Diagram, A/T with Manual A/C for Audi 90 Quattro 1995: 27 (behind left side of i/p) (in battery box) (left side plenum tray) A/c A/c refrigerant high pressure switch Auxiliary C11 Coolant fan fuse 42 60a Coolant fan control relay Coolant fan control series resistance Coolant fan control thermo- switch Coolant fans Engine control module Fresh air blower switch Fuse 15 25a Fuse/ relay panel Fuse/ relay panel (left side plenum tray) G100 G202 Heater fan relay Hot at all times Hot w/load reduction Relay energized Relay panel Second speed coolant fan control relay Switch Third speed coolant fan control relay Cooling Fan Wiring Diagram, M/T with Auto A/C for Audi 90 Quattro 1995 List of elements for Cooling Fan Wiring Diagram, M/T with Auto A/C for Audi 90 Quattro 1995: 22 (behind left side of i/p) (in battery box) (left side plenum tray) A/c control head A/c refrigerant high pressure switch Auxiliary Coolant fan fuse 42 60a Coolant fan control relay Coolant fan control series resistance Coolant fan control thermo- switch Coolant fans D16 Fuse 15 25a Fuse/ relay panel Fuse/ relay panel (left side plenum tray) G202 Ground Hot at all times Hot in run Or accy Relay panel Second speed coolant fan control relay Cooling Fan Wiring Diagram, M/T with Manual A/C for Audi 90 Quattro 1995 List of elements for Cooling Fan Wiring Diagram, M/T with Manual A/C for Audi 90 Quattro 1995: 25 (behind left side of i/p) (left side plenum tray) A/c A/c diode A/c refrigerant high pressure switch Auxiliary C11 Coolant fan Coolant fan fuse 42 60a Coolant fan control relay Coolant fan control series resistance Coolant fan control thermo- switch Engine control module Fresh air blower switch Fuse 15 25a Fuse/ relay panel Fuse/ relay panel (left side plenum tray) G202 Heater fan relay Hot at all times Hot in run Or accy Relay panel Switch Third speed coolant fan control relay
CRUISE CONTROL Cruise Control Wiring Diagram for Audi 90 Quattro 1995 List of elements for Cruise Control Wiring Diagram for Audi 90 Quattro 1995: 31 Auxiliary relay panel B16 Brake light switch Brake vacuum vent valve Cabriolet Cabriolet & 90 series a/t Cluster Clutch vacuum vent valve Connector station Control module Convertible top control module Cruise control module Cruise control switch Cruise control vacuum pump Engine control module Except cabriolet Fuse 10a Fuse 15a Fuse 5a Fuse/ relay panel G200 (behind left side of i/p) Hot at all times Hot in on or start Instrument Series m/t Speedo- meter T10 T26a Transmission Vehicle speed output Wire connector (behind i/p)
DEFOGGERS Defoggers Wiring Diagram for Audi 90 Quattro 1995 List of elements for Defoggers Wiring Diagram for Audi 90 Quattro 1995: 16 10a Fuse 30a Fuse/ relay panel G202 (behind left i/p) Hot in run Illum. Interior lights system J75ah Left mirror heat element On ind. Or acc Rear defogger switch Rear window defogger (heat element) Rear window defogger switch Right mirror heat element Solid state
ENGINE PERFORMANCE
2.8L 2.8L, Wiring Diagram (Cabriolet & 90 2.8L Wiring Diagram 1 Of 2) for Audi 90 Quattro 1995 List of elements for 2.8L, Wiring Diagram (Cabriolet & 90 2.8L Wiring Diagram 1 Of 2) for Audi 90 Quattro 1995: 51 (on intake manifold) A10 A11 A12 Auxiliary fuse holder B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 Bat(30) C15a Cabriolet Closed throttle position switch/ throttle position sensor Connector station in auxiliary Fuse 15a Fuse 20a Fuse/ relay panel G131 Ign (15) Ignition coil 1 Ignition coil 2 Ignition coil 3 Instrument cluster Knock sensor #1 Knock sensor #2 L30 Malfunction indicator lamp (mil) Mass air flow sensor Mfi engine control module Mini-check system control module Nca Power output stage Red Shift lock control module Solid state Spark plugs 1 & 6 Spark plugs 2 & 4 Spark plugs 3 & 5 Speedo- meter T14 T26 T26a Tacho- meter Transmission control module 2.8L, Wiring Diagram (Cabriolet & 90 2.8L Wiring Diagram 2 Of 2) for Audi 90 Quattro 1995 List of elements for 2.8L, Wiring Diagram (Cabriolet & 90 2.8L Wiring Diagram 2 Of 2) for Audi 90 Quattro 1995: 57 (left i/p) (on intake manifold) 87a A/c system Auxiliary fuse holder Bat(30) C1 C10 C11 C12 C13 C14 C15 C16 Crank- shaft position sensor D10 D11 D12 D13 D14 D15 D16 Data link connectors Egr temperature sensor Egr vacuum regulator solenoid valve Engine coolant temperature sensor Engine speed sensor Evaporative emission canister purge regulator valve Fuel injectors Fuel pump Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse/ relay panel G131 G200 G200 (left i/p) G404 (left trunk) H87f Hall sensor Idle air control valve Ign(15) Intake manifold change- over valve M30ac Mfi engine control module Nca Oxygen Oxygen sensor 1 heater Oxygen sensor 2 Oxygen sensor 2 heater Red Sensor 1 Solid state T2x T2z Wire distributors for data link connector
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Audi 90 Quattro 1995 List of elements for Back-up Lamps Wiring Diagram for Audi 90 Quattro 1995: 21 A/t Auxiliary relay panel B15a Back-up light switch C11 Central locking/ alarm system/ interior light delay control module Ect electronic thermoswitch Engine control module Function transmission range switch Fuse 12 15a Fuse/relay panel G202 (behind left i/p) G402 (left side of luggage compt) Hot in on or start Left back-up light M/t Multi- Park/ neutral position relay (#1) Right back-up light Starting system Trans- mission control module Exterior Lamps Wiring Diagram, with DRL for Audi 90 Quattro 1995 List of elements for Exterior Lamps Wiring Diagram, with DRL for Audi 90 Quattro 1995: 57 (not used) Auxiliary relay panel Brake light switch C15a D 58l Daytime running lights relay E 58r Emergency flasher relay Emergency flasher switch F57l Fuse 10a Fuse 15a Fuse 5a Fuse/ relay panel Fuse/relay G202 (behind left i/p) G402 (left side of luggage compt) G49 G57r H 58l H 58r Head Headlights High- mount brake light Hot at all times Hot in on or acc Hot in on or start I58d I75aw Instrument cluster Instrument cluster system (dimmer switch) J30 J58 L30 Left front park/ turn light Left rear side marker/ tail/stop/ turn lights Left turn ind. License plate lights Light switch Mkr Off Panel Park Rear lamp control module Red Right front park/ turn light Right rear side marker/ tail/stop/ turn lights Right turn ind. Signal switch Solid state Stop System T26 T26a Tail Turn Warnings Exterior Lamps Wiring Diagram, without DRL for Audi 90 Quattro 1995 List of elements for Exterior Lamps Wiring Diagram, without DRL for Audi 90 Quattro 1995: 47 Brake light switch D 58l E 58r Emergency flasher relay Emergency flasher switch F57l Fuse 10a Fuse 15a Fuse 5a Fuse/ relay panel G202 (behind left i/p) G402 (left side of luggage compt) G49 G57r H 58l H 58r Head High- mount brake light Hot at all times Hot in acc or run I58d I75aw Instrument cluster Interior lights system J58 L30 Left front park/ turn light Left rear side marker/ tail/stop/ turn lights Left turn ind. License plate lights Light switch Mkr Off Park Red Right front park/ turn light Right rear side marker/ tail/stop/ turn lights Right turn ind. Signal switch Solid state Stop System T26 T26a Tail Turn Warnings
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Audi 90 Quattro 1995 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Audi 90 Quattro 1995: 41 (90 series) (cabriolet) (near a/c compressor) (on engine) (w/ a/t) A/c clutch Abs hydraulic unit (cabriolet) Automatic transmission console light, multi-function transmission range switch, shift lock control module, transmission range program switch Battery Coolant fan Datalink connector, vehicle speed sensor, brake fluid level warning switch, heated oxygen sensor 1, heated oxygen sensor 2, kick down switch Decklid central locking motor (cabriolet), license plate lights, rear fog light, left backup light, right backup light, trunk lock alarm/ central locking switch, luggage compartment light switch, luggage compartment central locking switch, high mount brake light (cabriolet) Engine control module Front interior light, power window control module Fuel level sensor, left rear lamp assembly, right rear lamp assembly, power antenna (90 series), fuel pump, front lamp control module (90 series), high mount brake light (90 series), rear defogger blower motor G111 (in battery box) G116 (on hydraulic unit) (95 cabriolet) G129 (on transmission) G131 (on intake manifold) G402 (left side of luggage compartment) (90 series) G909 (behind roof headliner) (w/ sunroof) Generator Ground strap Hall sensor, egr temperature sensor, closed throttle position switch, throttle position sensor, engine coolant temperature sensor, crankshaft position sensor shields, engine speed sensor shields, mass air flow sensor, engine control module Left front fog light, left front turn signal light, left front park light, engine coolant level warning switch, left headlight, right headlight, high tone horn, low tone horn, right front turn signal light, right front park light, right front fog light, windshield washer pump Left infrared central locking sensor, right infrared central locking sensor, alarm horn, left front door central locking switch, right front door central locking switch, front interior light, right front door handle alarm switch, central locking/ alarm system/ interior light delay control module, left front door handle alarm switch Power output stage Right front window switch, right rear window switch (console), left rear window switch (console), power window control module (w/o sunroof) S105 S119 S124 S150 S83 S84 S86 S89 S98 To g202 (diagram 2 of 2) To g202 (diagram 2 of 2) (90 series) To g202 (diagram 2 of 2) (cabriolet) Transmission control module, egr temperature sensor (90 series) vehicle speed sensor shields (cabriolet) Ground Distribution Wiring Diagram (2 of 2) for Audi 90 Quattro 1995 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Audi 90 Quattro 1995: 34 (90 series) (auto a/c) (cabriolet) (manual a/c) (w/ auto a/c) (w/ heated seats) A/c compressor speed sensor, coolant fan (w/ m/t), second speed coolant fan control relay (w/ a/t), coolant fan control relay, heater fan relay, third speed coolant fan control relay A/c compressor speed sensor, coolant fan control thermoswitch, a/c refrigerant high pressure switch A/c control head, fresh air blower control module Alarm horn, left front door central locking switch, right front door central locking switch, front interior light, right front door handle alarm switch, central locking/ alarm system/ interior light delay control module, left front door handle alarm switch, left front heated mirror, mirror adjust switch, right front heated mirror, left compartment cover switch 3, left compartment cover unlocked switch 2, left compartment cover locked switch 1, right compartment cover switch 3, right compartment cover unlocked switch 2, right compartment cover locked switch 1, compartment cover open switch, convertible top position switch, convertible top control module, tensioning bow position switch, convertible top front lock switch, convertible top latch open position switch, front and rear power window switch Differential lock switch, illumination (quattro), rear differential lock switch illumination (quattro), rear differential lock switch (quattro), differential lock control module (quattro), abs control module From s105 (diagram 1 of 2) (90 series) From s119 (diagram 1 of 2) From s150 (diagram 1 of 2) From s83 (diagram 1 of 2) From s86 (diagram 1 of 2) (cabriolet) From s89 (diagram 1 of 2) (90 series) G202 (behind left i/p) Left front backrest heat element, left front seat heater temp. sensor, right front backrest heat element, rihgt front seat heater temp. sensor Left front heated mirror, mirror adjust switch, right front heated mirror Outside air (ambient) temp. sensor, abs control module (frt whl drive), cruise control module, hood alarm switch, left heated door lock control module, right heated door lock control module, headlight washer pump, left front seat switch (w/ htd seats) Power window control module, central locking control module (remote), power window down relay, power window up relay Right rear woofer, left rear woofer, left seat belt switch, air bag control module, cruise control module, daytime running lights relay, outside air temp. display, glove compartment light switch, heater fan switch illumination, transmission range selector display (a/t), fuel gauge damper control module (90), program switch illumination relay (w/ a/t), a/c compressor clutch control module, cigarette lighter, cruise connector, center rear ashtray light (cabriolet) S100 S107 S112 S127 S199 S230 S236 S96 S97 Temperatur regulator flap motor, interior temperature sensor (headliner), interior temperature sensor (i/p), outside air temperature sensor Windshield wiper motor, left washer nozzle heater, right washer nozzle heater, rear fog light switch, front fog light switch, rear window defogger switch, radio, instrument cluster, fresh air blower switch (w/ manual a/c), a/c switch (w/manual a/c), fresh air two way valve (w/ manual a/c), left front seat heat regulating switch, right front seat heat regulating switch, emergency flasher relay, emergency flasher switch, load reduction relay, headlight washer system relay, wiper/ washer intermittent relay
HEADLIGHTS Fog Lamps Wiring Diagram, with DRL for Audi 90 Quattro 1995 List of elements for Fog Lamps Wiring Diagram, with DRL for Audi 90 Quattro 1995: 41 (behind left side of i/p) (near left taillight) 56a 75n Acc All times C56ak D56ar F55 Fog light relay Fog light switch Ftp Fuse 10a Fuse 15a Fuse/relay panel G202 G404 G85n G86n Head Head/park light switch Headlight dimmer switch Hi beam indicator Hot at Hot in on or acc I56a Ignition switch Interior lights system L30 Left front fog light Light switch M75s Off Park Rear fog light Rear fog light switch Red Right front fog light Right head- light Run Start Headlamps & Fog Lamps Wiring Diagram, without DRL for Audi 90 Quattro 1995 List of elements for Headlamps & Fog Lamps Wiring Diagram, without DRL for Audi 90 Quattro 1995: 49 (behind left side of i/p) (near left taillight) 56a 56b 75n Acc All times C56ak D56al D56ar D56bl D56br F55 F56b Fog light relay Fog light switch Ftp Fuse 10a Fuse 15a Fuse/ relay panel G202 G404 G85n G86n Head Head/park light switch Headlight dimmer switch Hi beam ind. Hot at Hot in on or acc I56a Ignition switch Instrument cluster Interior lights system L30 Left front fog light Left head- light Light switch M75s Off Park Rear fog light Rear fog light switch Red Right front fog light Right head- light Run Start T26a Headlamps Wiring Diagram, with DRL for Audi 90 Quattro 1995 List of elements for Headlamps Wiring Diagram, with DRL for Audi 90 Quattro 1995: 58 (behind left side of i/p) (position 10) (position 15) 56a 56b Acc All times Auxiliary relay panel C56ak D 58l D56ar D56al D56bl D56br Daytime running lights relay E 58r Exterior lights system F56b F57l Fog light relay Front lamp control module Ftp Fuse 10a Fuse 5a Fuse/ relay panel Fuse/relay panel G202 G57r H 58l H 58r Head Head/park light switch Headlight dimmer switch Hi beam ind. Hot at I56a Ignition switch Instrument cluster Interior lights system J30 L30 Left front park/ turn light Left head- light License plate lights Light switch Load reduction relay Off Park Rear lamp control module Red Right front park/ turn light Right head- light Run Series resistance wire Start T26a Turn Warnings system
HORN Horn Wiring Diagram for Audi 90 Quattro 1995 List of elements for Horn Wiring Diagram for Audi 90 Quattro 1995: 16 Acc Dual horn relay E87h Fuse 3 25a G202 (behind left side of dash) G71 G75 High note horn Horn button Hot at all times Ignition switch Load reduction relay Low note horn Main fuse/relay panel (left rear of engine compt, on plenum tray) Off Start
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamp Wiring Diagram (1 of 2) for Audi 90 Quattro 1995 List of elements for Courtesy Lamp Wiring Diagram (1 of 2) for Audi 90 Quattro 1995: 53 (behind roof head- liner) (optional) A/10 A/12 A/6 Alarm system/ Central locking/ Central locking/ alarm system/ interior light delay control module Cluster Connector station (auxiliary relay panel) Delay control Door F30al Front interior light Fuse 14 5a Fuse 4 15a Fuse/ relay panel G202 (behind left i/p) G402 (left side of luggage compt) G908 Glove comp- artment light Glove comp- artment light switch H30b Head Headlight washer system relay Heater fan switch illumination light Hot at all times I58d Instrument Interior light J58 J58a Left front door contact switch Left make-up mirror light Left rear door contact switch Left rear reading light License plate lights Light switch Luggage compartment light Luggage compartment light switch Module Nca Off Park Power window/ sunroof control module Right front door contact switch Right front reading light Right make-up mirror light Right rear door contact switch Right rear reading light T26 W/ sunroof W/o sunroof Courtesy Lamp Wiring Diagram (2 of 2) for Audi 90 Quattro 1995 List of elements for Courtesy Lamp Wiring Diagram (2 of 2) for Audi 90 Quattro 1995: 15 C15a Driver seat heat regulating switch Emergency flasher switch Fuse 12 15a Fuse 15 25a Fuse 18 5a Fuse/relay panel G202 (behind left i/p) Hot in on or acc Hot in on or start I75aw M75as Mirror adjustment switch Passenger seat heat regulating switch Wiper/ washer system Instrument Illumination Wiring Diagram for Audi 90 Quattro 1995 List of elements for Instrument Illumination Wiring Diagram for Audi 90 Quattro 1995: 48 A/c control head A/t console light Auto a/c Auto check system Auxiliary relay panel C15a Cigarette lighter light Clock Dim input Dimmer switch F30al Fresh air control lever light Front fog light switch Fuse 12 15a Fuse 14 5a Fuse 4 15a Fuse/relay panel G202 (behind left i/p) Generator Gnd Head Hot at all times Hot in on or start I58d Illum. lights Instrument cluster J58 Light switch Manual a/c Mini-check system control module Off Outside air temp- ature display Park Program switch illumination relay Protection diode Radio Rear differential display unit Rear fog light switch Rear window defogger switch Selector lever light relay Solid state T26 T26a Transmission range program switch Transmission range selector lever display W/ a/t W/ auto a/c W/ quatrro
POWER ANTENNA Power Antenna Wiring Diagram for Audi 90 Quattro 1995 List of elements for Power Antenna Wiring Diagram for Audi 90 Quattro 1995: 19 (switch closed w/ key in ignition) 86s Antenna lead F30al Fuse 4 15a Fuse/ relay panel G402 (left side of luggage compt) Hot at all times Ignition switch Instrument cluster L30 Nca Power antenna Radio Rear woofers Red Solid state T8b Warnings system
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Audi 90 Quattro 1995 List of elements for Power Distribution Wiring Diagram (1 of 2) for Audi 90 Quattro 1995: 79 (not used) 50b 75n 86s 87a Abs control module Acc Air bag control module Auxiliary fuse holder B15 Battery Brake light switch Cigarette lighter Coolant fan control relay Coolant fan speed control relays, air conditioning system D75a Data link connector Dual horn relay E50a Emergency flasher switch Engine control module Engine controls F30al F50z F55 Fog light relay Fog light switch, rear fog light switch From fuse 21 (diagram 1 of 2) From load reduction relay (diagram 1 of 2) Fuel gauge damper control module Fuel injectors Fuel pump Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse 25a Fuse/ relay panel (left side plenum tray) G202 (behind left side of i/p) G30a G31 G49 G75 Generator Generator, instrument cluster H30b H87f Headlight washer system relay I15 I75aw Ignition coils, engine control module, mass air flow sensor Ignition switch Instrument cluster system, interior lights system, radio, air conditioning system, exterior lights system, power antenna Instrument cluster, radio Interior lights system Key-in ignition switch L30 Light switch Load reduction relay Luggage compartment light M30ac M75s Off Park/ neutral position relay Power window control module Power window/ sunroof control module Red Run Seat regulating switches Start Starter To fuse (diagram 1 of 2) To fuse 15 (diagram 1 of 2) To fuse 16 (diagram 2 of 2) To fuse/ relay panel (diagram 2 of 2) Washer nozzle heaters Washer/ wiper intermittent relay Windshield wiper intermittent switch Windshield wiper motor Power Distribution Wiring Diagram (2 of 2) for Audi 90 Quattro 1995 List of elements for Power Distribution Wiring Diagram (2 of 2) for Audi 90 Quattro 1995: 37 A/c clutch relay, interior temperature sensor, a/c refrigerant low pressure switch Abs hydraulic unit Auxiliary fuse holder Auxiliary relay panel (adapter b) Auxiliary relay panel (adapter c) B15a Backup light switch C15a Central locking/ alarm system/ interior light delay control module Circuit breaker 44 30a Coolant fan control relay Driver seat switch Engine coolant temperature electronic thermoswitch Fresh air/ recirculating flap two way valve, fresh air blower, ambient temperature switch From fuse/ b relay panel (diagram 1 of 2) From fuse/ d relay panel (diagram 1 of 2) From fuse/ e relay panel (diagram 2 of 2) Fuse 12a Fuse 15a Fuse 20a Fuse 30a Fuse 50a Fuse 5a Fuse/ relay panel (left side plenum tray) Heated door lock switch switches Instrument cluster, interior lights system, anti-theft system cruise control system, headlights system, power seats system, exterior lights system, transmission controls system J75ah J75al L30 M30az M75as Mirror adjustment switch Power window/ sunroof control module Rear window defogger switch Red Second and third speed coolant fan control relays To fuse 19 (diagram 2 0f 2)
POWER DOOR LOCKS Heated Door Locks Wiring Diagram for Audi 90 Quattro 1995 List of elements for Heated Door Locks Wiring Diagram for Audi 90 Quattro 1995: 16 All times Door lock Fuse 19 15a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) Heated Heater Hot at Left door lock heater Left heated door lock control module Left heated door lock switch M30az Right Right door lock Right heated door lock control module Switch
POWER MIRRORS Power Mirrors Wiring Diagram for Audi 90 Quattro 1995 List of elements for Power Mirrors Wiring Diagram for Audi 90 Quattro 1995: 12 Defogger Driver's side mirror Fuse 18 5a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) Hot in run or acc M75as Mirror adjustment switch Mirror position Mirror select Passenger's side mirror System
POWER SEATS Heated Seats Wiring Diagram for Audi 90 Quattro 1995 List of elements for Heated Seats Wiring Diagram for Audi 90 Quattro 1995: 19 All times C15a Driver backrest heat element Driver seat heat element Driver seat heat regulating switch Driver seat heater temperature sensor Fuse 12 15a Fuse 3 30a Fuse/relay panel G202 (behind left side of i/p) G30a Hot at Hot in run or start Nca Passenger backrest heat element Passenger seat heat element Passenger seat heat regulating switch Passenger seat heater temperature sensor Solid state Left Power Seat Wiring Diagram for Audi 90 Quattro 1995 List of elements for Left Power Seat Wiring Diagram for Audi 90 Quattro 1995: 14 Back- rest Circuit breaker 44 30a Driver seat backrest adjusting motor Driver seat fore/aft adjusting motor Driver seat front height adjusting motor Driver seat rear height adjusting motor Driver seat switch Fore/ aft Front height Fuse/relay panel G202 (behind left side of i/p) Hot at all times Rear height
POWER TOP/SUNROOF Sunroof Wiring Diagram for Audi 90 Quattro 1995 List of elements for Sunroof Wiring Diagram for Audi 90 Quattro 1995: 23 8/87 Acc Auxiliary relay panel Circuit breaker 20a Front interior light Fuse/ relay panel G908 (under roof headliner) Hot at all times Ignition switch L30 Lock Nca Power window/ sunroof control module Power windows system Red Run Solid state Start Sunroof motor Sunroof switch T4k T6ae W/ power windows
POWER WINDOWS Power Windows Wiring Diagram for Audi 90 Quattro 1995 List of elements for Power Windows Wiring Diagram for Audi 90 Quattro 1995: 27 All times Auxiliary relay panel (behind left side of i/p) Circuit breaker 20a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) Hot at Hot in on or acc Left front door contact switch Left front window motor Left front window switch Left rear Left rear door window motor Left rear window switch (door) M75s Mini check system control module (in instrument cluster) Nca Power window control module Right front door contact switch Right front door window motor Right front window switch (center console) Right front window switch (door) Right rear Right rear door window motor Right rear window switch (door) Sunroof motor Window lockout switch Window switch (center console)
RADIO Radio Wiring Diagram for Audi 90 Quattro 1995 List of elements for Radio Wiring Diagram for Audi 90 Quattro 1995: 29 15a 86s F30al Fuse 4 Fuse/ relay panel G202 (behind left side of dash) G402 (left side of luggage compartment) Hot at all times Ignition switch Instrument cluster system Interior lights system Key in ignition Left front speaker Left rear tweeter Left rear woofer Nca Power antenna Radio Red Right front speaker Right rear tweeter Right rear woofer T10h T2af T2ag T5m T5n T8b T8c
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Audi 90 Quattro 1995 List of elements for Shift Interlock Wiring Diagram for Audi 90 Quattro 1995: 24 (behind left side of i/p) Alarm system/ Auxiliary relay panel B/12 Back-up lights Brake light switch C11 C19 Central locking/ Control module Engine control module (ecm) Function transmission range switch Fuse 12 15a Fuse 29 10a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) Hot at all times Hot in on or acc Interior light delay Multi- Park/ neutral position relay Shift lock solenoid Starting system Transmission control module (tcm)
STARTING/CHARGING Charging Wiring Diagram for Audi 90 Quattro 1995 List of elements for Charging Wiring Diagram for Audi 90 Quattro 1995: 26 50b Acc Auxiliary relay panel Battery C15a Connector station Engine Fuse 15a Fuse/ relay panel Fuse/relay panel G111 (in battery box) Gen ind. Generator Ground strap Hot at all times Hot in on or start Ignition switch Instrument cluster Off Parking brake ind. Red Start Starter T10 T26 T26a Starting Wiring Diagram for Audi 90 Quattro 1995 List of elements for Starting Wiring Diagram for Audi 90 Quattro 1995: 28 (not used) 15a 90 series Acc Auxiliary relay panel B50a Battery Bridge Cabriolet Cabriolet & 90 series a/t Connection Connector station E50a F50z Fuse/ relay panel G111 (in battery box) Generator H50w Ignition switch L30 L30 red Off Park/neutral position relay Red Start Starter T10b T2h
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Audi 90 Quattro 1995 List of elements for Supplemental Restraints Wiring Diagram for Audi 90 Quattro 1995: 22 (behind right side of dash) Acc Airbag control light Airbag control module Airbag spiral spring C15a Data link connector Driver's side airbag igniter Fuse 15a Fuse/ relay panel G202 Hot at all times Ignition switch Instrument cluster Left seat belt tensioner igniter Lock Nca Passenger's side airbag igniter Right seat belt tensioner igniter Run Start T26a
TRANSMISSION A/T Wiring Diagram for Audi 90 Quattro 1995 List of elements for A/T Wiring Diagram for Audi 90 Quattro 1995: 83 (left side of i/p) 2-5 25-28 30-39 48-53 50a 50z 52-53 7-8 87a A/c kickdn Air conditioning system Atf temp Automatic transmission console light Auxiliary relay panel (left i/p) B10 B11 B12 B13 Bat Brake light switch (on pedal cluster) Brake lt sw C10 C15a Central locking/ alarm system/ interior light delay control module (behind right side of rear seat) Cruise control system Data link connector (in plenum tray) E50a Ecm Engine control module (right side of dash, behind glove box) Exterior lights system F30al F50z Fuse 10a Fuse 15a Fuse 5a Fuse/ relay panel (left side plenum tray) G131 (on intake manifold) G202 (left side of i/p) Generator terminal d+ Ground Hot at all times Hot in on or start Ign time adj Ignition switch terminal 50 (hot in start) Interior lights system K wire diag Kick-down switch (on throttle housing) Kickdn sw L30 M-f switch Multi-function transmission range switch (rear of gear box housing) On/start v Only P/n Park/ neutral position relay Pk/neut sig Protection diode R n Red Red/ starter terminal Rpm sig Selector lever light relay Shift interlock system Sol supp v Solenoid 1 Solenoid 2 Solenoid 3 Solenoid 4 Solenoid 5 Solenoid 6 Solenoid 7 Solenoid valves Spd ctrl sw Tps signal v Tr display Transmission control module (behind left side of dash) Transmission fluid temperature sensor Transmission range selector lever display Transmission vehicle speed sensor Valve body Vehicle speed sensor (rear left side of engine) Vss
WARNING SYSTEMS Warning Systems Wiring Diagram for Audi 90 Quattro 1995 List of elements for Warning Systems Wiring Diagram for Audi 90 Quattro 1995: 91 (0.3 bar) (behind left i/p) 5/1 5/2 5/3 5/4 5/5 6/1 6/2 6/3 6/4 6/5 6/6 86s A/c system Acc Auxiliary relay panel B10 B15a Back-up lights C15a Cruise control module, o/s air temp display, a/c control head, shift lock control module, differential lock control module Ect electronic thermoswitch Engine control module Engine coolant level warning switch Engine oil pressure switch F30al Fuel gauge Fuel gauge damper control module (#7) Fuel level sensor Fuse 12 15a Fuse 14 5a Fuse 4 15a Fuse/ relay panel Fuse/relay panel G202 G402 (left side of luggage compt) Generator Head Hot at all times Hot in on or start Hot w/ park or headlights on I/p light dimmer switch I58d Ignition switch Instrument cluster Instrument cluster system Instrument panel lights Key-in ignition Left front door contact switch Left seat belt switch Light switch Mini- check system control module Nca Off Park Power antenna, rear woofers Power window control module Quattro only Radio Red Solid state Speedo- meter Start T14 T14-10 T14-12 T14-13 T14-14 T14-3 T14-4 T14-7 T14-8 T14-9 T26 T26-1 T26-10 T26-11 T26-13 T26-19 T26-4 T26-5 T26-8 T26a T26a-15 T26a-16 T26a-18 T26a-20 T26a-21 Vehicle speed sensor Voltage stabilizer
WIPER/WASHER Wiper/Washer Wiring Diagram for Audi 90 Quattro 1995 List of elements for Wiper/Washer Wiring Diagram for Audi 90 Quattro 1995: 27 B53c C31b C53c C53e Emergency Flasher switch Fuse 15 25a Fuse/ relay panel G202 (behind left side of i/p) G31 Headlight washer pump Headlight washer system relay Hot at all times Hot in on or start Hot w/ park or headlights on I75aw Left washer nozzle heater (optional) Nca Red Right washer nozzle heater (optional) Solid state Washer switch Windshield washer pump Windshield wiper intermittent switch Windshield wiper motor Wiper switch Wiper/ washer inter- mittent relay
