Diagram sections — 28 (59 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS 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 Auto. A/C-Heater System Wiring Diagram (With A/T Wiring Diagram 1 Of 2) for Audi 90 CS 1994 List of elements for Auto. A/C-Heater System Wiring Diagram (With A/T Wiring Diagram 1 Of 2) for Audi 90 CS 1994: 27 (left side of i/p) 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 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 Auto. A/C-Heater System Wiring Diagram (With A/T Wiring Diagram 2 Of 2) for Audi 90 CS 1994 List of elements for Auto. A/C-Heater System Wiring Diagram (With A/T Wiring Diagram 2 Of 2) for Audi 90 CS 1994: 29 (in battery box) (left side of i/p) (left side of i/p) g202 (near compressor) 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 Auto. A/C-Heater System Wiring Diagram (With M/T Wiring Diagram 1 Of 2) for Audi 90 CS 1994 List of elements for Auto. A/C-Heater System Wiring Diagram (With M/T Wiring Diagram 1 Of 2) for Audi 90 CS 1994: 27 (left side of i/p) 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 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 Auto. A/C-Heater System Wiring Diagram (With M/T Wiring Diagram 2 Of 2) for Audi 90 CS 1994 List of elements for Auto. A/C-Heater System Wiring Diagram (With M/T Wiring Diagram 2 Of 2) for Audi 90 CS 1994: 28 (in battery box) (left side of i/p) (left side of i/p) g202 (near compressor) 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 for Audi 90 CS 1994 List of elements for Manual A/C Wiring Diagram for Audi 90 CS 1994: 46 (behind left side of i/p) (left side i/p) (left side of i/p) (near compressor) 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 Blower motor Blower resistors Blower switch C10 C11 Coolant fan control relay (in fuse/ relay panel) Coolant fan resistors Coolant fan thermo switch Coolant fans Data link connector Diode Electronic thermo switch Engine control module Engine control module pin b10 (engine rpm) 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 CS 1994 List of elements for Anti-Lock Brakes Wiring Diagram, FWD for Audi 90 CS 1994: 37 (behind left side of i/p) (below left (left firewall) Abs Abs combi relay (in rear auxiliary relay panel, below left rear seat) Abs return flow pump Abs return flow pump relay Abs solenoid relay Abs solenoid valves Abs warning ind. All times Auxiliary relay panel Brake lamp switch Connector station Control Fuse 12 15a Fuse 29 10a Fuse 31 15a Fuse/relay panel (left side plenum tray) G202 Generator 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 Solid state Unit Anti-Lock Brakes Wiring Diagram, Quattro for Audi 90 CS 1994 List of elements for Anti-Lock Brakes Wiring Diagram, Quattro for Audi 90 CS 1994: 41 (behind left side of i/p) (below left (left firewall) Abs Abs acceleration switch Abs control module Abs return flow pump Abs return flow pump relay Abs solenoid valve relay Abs solenoid valves Abs warning ind. All times Auxiliary relay panel Auxiliary relay panel, below left rear seat) Brake lamp switch Connector station Electronic differential lock cut-out relay (in rear Fuse 12 15a Fuse 29 10a Fuse 31 15a Fuse/relay panel (left side plenum tray) G202 Generator Hot at Hot at all times Hot in on or start Hydraulic Instrument cluster Left front wheel sensor Left rear wheel sensor Lock indicator light Nca Rear differential Rear differential lock switch Rear seat) Red Red red Right front wheel sensor Right rear wheel sensor Solid state Unit
ANTI-THEFT Anti-theft & Central Locking Wiring Diagram (1 of 2) for Audi 90 CS 1994 List of elements for Anti-theft & Central Locking Wiring Diagram (1 of 2) for Audi 90 CS 1994: 60 (a/t) (m/t) (left side 86s A/t A/t only Acc Alarm horn Alarm system relay All times Battery C15a Central locking/ alarm system/ interior light delay control module Control module Driver door central locking system switch Driver door handle alarm switch E50a F30al F50z Front interior light Function Fuse 10a Fuse 15a Fuse/relay G202 (behind left G404 (near left) H50w Hood Hot at Hot in on or start Ignition Key switch L30 M/t M30az Multi- Nca Off Panel Park/ neutral position relay Passenger door central locking system switch Passenger door handle alarm switch Plenum tray) Radio Red Seat belt Side of i/p) Start Starter Switch Taillight) Transmission Trunk light Trunk light switch Trunk lock alarm/ central locking switch Turn/ hazard lights Warning control module Anti-theft & Central Locking Wiring Diagram (2 of 2) for Audi 90 CS 1994 List of elements for Anti-theft & Central Locking Wiring Diagram (2 of 2) for Audi 90 CS 1994: 11 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 Data Link Connector Wiring Diagram for Audi 90 CS 1994 List of elements for Data Link Connector Wiring Diagram for Audi 90 CS 1994: 22 (behind left side of i/p) (left kick panel) (left side plenum tray) 3/d A/c compressor clutch control module (in auxiliary relay panel, w/ connector station) A/c control head Airbag control module (below center console) C12 C13 Connector Data link Data link connector Ecm Engine control module (between front right of bulkhead & air duct) Fuse 10a Fuse/relay panel G202 Hot at all times Rapid data transfer Trans- mission control module W/ auto a/c W/ manual a/c
COOLING FAN Cooling Fan Wiring Diagram, A/T with Auto A/C for Audi 90 CS 1994 List of elements for Cooling Fan Wiring Diagram, A/T with Auto A/C for Audi 90 CS 1994: 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 CS 1994 List of elements for Cooling Fan Wiring Diagram, A/T with Manual A/C for Audi 90 CS 1994: 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 CS 1994 List of elements for Cooling Fan Wiring Diagram, M/T with Auto A/C for Audi 90 CS 1994: 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 CS 1994 List of elements for Cooling Fan Wiring Diagram, M/T with Manual A/C for Audi 90 CS 1994: 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 CS 1994 List of elements for Cruise Control Wiring Diagram for Audi 90 CS 1994: 27 A/t A/t only Brake light switch Brake vacuum vent valve C1-18 Cluster Clutch vacuum vent valve Control module Cruise control module Cruise control switch Cruise control vacuum pump Engine control module Fuse 10a Fuse 15a Fuse 5a Fuse/relay panel (left side plenum tray) G200 (behind left side of i/p) Hot at all times Hot in on or acc Instrument M/t M/t only Servotronic control module Speedo- meter Transmission Vehicle speed output Wire connector (behind i/p)
DEFOGGERS Defoggers Wiring Diagram for Audi 90 CS 1994 List of elements for Defoggers Wiring Diagram for Audi 90 CS 1994: 21 10a Antenna Fuse 30a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) Hot in run Illum. Interior lights system Left mirror heat element Nca On ind. Or acc Radio Rear antenna amplifier Rear defogger switch Rear window defogger switch/ relay Rear window heat element Right mirror heat element Solid state W/ antenna amplifier W/o antenna amplifier
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Audi 90 CS 1994 List of elements for Electronic Power Steering Wiring Diagram for Audi 90 CS 1994: 14 (behind left side of i/p) (bottom of Cluster Fuse 12 15a Fuse/relay panel (left side plenum tray) G202 Hot in on or start Instrument Servotronic Servotronic control unit (behind glove box) Solenoid valve Speedo- meter Steering column)
ENGINE PERFORMANCE
2.8L 2.8L, Wiring Diagram (Cabriolet & 90 Wiring Diagram 2.8L 1 Of 2) for Audi 90 CS 1994 List of elements for 2.8L, Wiring Diagram (Cabriolet & 90 Wiring Diagram 2.8L 1 Of 2) for Audi 90 CS 1994: 45 (in eng compt) (not used) (on intake manifold) 10a 15a 20a A/t only A10 A11 A12 Auto check system B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 Central electrical unit Closed throttle position switch/ throttle position sensor Egr temperature sensor Engine control module Fuse Fuse/ relay panel Hot at all times Hot in run or start Hot in start or run Ignition coil assembly Instrument cluster Knock sensor #1 Knock sensor #2 Mal- function indicator "check engine" Mass air flow sensor Nca Power output stage Red Spark plugs #1 & #6 Spark plugs #2 & #4 Spark plugs #3 & #5 Tach Vehicle speed out 2.8L, Wiring Diagram (Cabriolet & 90 Wiring Diagram 2.8L 2 Of 2) for Audi 90 CS 1994 List of elements for 2.8L, Wiring Diagram (Cabriolet & 90 Wiring Diagram 2.8L 2 Of 2) for Audi 90 CS 1994: 44 (calif only) (in eng compt right wiring harness) (in luggage compt, left) (in right front wiring harness) (not used) (on eng block, in right front wiring harness) 15a Battery(30) C1 C10 C11 C12 C13 C14 C15 C16 Crank- shaft position sensor D10 D11 D12 D13 D14 D15 D16 Data link connector Eap frequency valve Egr frequency valve Engine control module Engine coolant temperature sensor Engine speed sensor Fuel injectors Fuel pump Fuel pump relay Fuse Fuse/ relay panel Hall generator Iac valve Ign(15) Intake manifold change- over valve Nca O2 sensor #1 O2 sensor #2 O2 sensor heater Red
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Audi 90 CS 1994 List of elements for Back-up Lamps Wiring Diagram for Audi 90 CS 1994: 20 A/t Auxiliary relay panel (behind left side of i/p) B15a Back-up light switch Central locking/ alarm system/ interior light delay control module Ect electronic thermoswitch Function switch Fuse 12 15a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) G404 (near left taillight) Hot in on or start Left back-up light M/t Multi- Park/ neutral position relay Right back-up light Shift lock control module Starting system Trans- mission control module Park, Marker, Stop, Tail & Turn Lamps Wiring Diagram, Canada for Audi 90 CS 1994 List of elements for Park, Marker, Stop, Tail & Turn Lamps Wiring Diagram, Canada for Audi 90 CS 1994: 66 fuse 5a hot in on or start (left side A/t only Abs control module Anti-theft system Auto- check system Auxiliary relay panel (behind left side of i/p) Brake light switch C15a Cluster Cruise control switch D 58l Daytime running lights relay E 58r Emergency flasher relay Emergency flasher switch F57l Front lamp control module Fuse 10a Fuse 15a Fuse 5a Fuse/relay G202 (behind left side of i/p) G404 (near left taillight) G49 G57r H 58l H 58r Head Headlights High- mount stop light Hot at all times Hot in on or acc I58d I75aw Instrument 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 Plenum tray) 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 Tail Trans- mission system Turn Warnings Park, Marker, Stop, Tail & Turn Lamps Wiring Diagram, USA for Audi 90 CS 1994 List of elements for Park, Marker, Stop, Tail & Turn Lamps Wiring Diagram, USA for Audi 90 CS 1994: 64 hot in on or start (left side A/t only Abs control module Anti-theft system Auto- check system Auxiliary relay panel (behind left side of i/p) Brake light switch C15a Cluster Cruise control switch D 58l E 58r Emergency flasher relay Emergency flasher switch F57l Front lamp control module Fuse 10a Fuse 15a Fuse 5a Fuse/relay Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) G404 (near left taillight) G49 G57r H 58l H 58r Head High- mount stop light Hot at all times Hot in on or acc I58d I75aw Instrument Instrument cluster Interior J58 L30 Left front park/ turn light Left rear side marker/ tail/stop/ turn lights Left turn ind. License plate lights Light switch Lights system Mkr Off Panel Park Plenum tray) 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 Tail Trans- mission system Turn Warnings
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 6) for Audi 90 CS 1994 List of elements for Ground Distribution Wiring Diagram (1 of 6) for Audi 90 CS 1994: 29 Battery Closed Coolant fan Crankshaft position sensor D1 d1 D16 Egr temperature sensor Engine Engine control module Engine coolant temperature sensor Engine speed sensor G131 (intake manifold) Generator Ground (in battery box) Ground strap Hall sensor Mass air flow sensor Nca Power distribution system Power output stage Red Sensor shields Switch Throttle position Throttle position sensor Transmission control module Transmission vehicle speed W/ a/t W/ auto a/c Ground Distribution Wiring Diagram (2 of 6) for Audi 90 CS 1994 List of elements for Ground Distribution Wiring Diagram (2 of 6) for Audi 90 CS 1994: 37 (in console) Alarm horn Auxiliary relay panel Cruise control module Driver's backrest heat element Driver's front seat switch Driver's seat heater temperature sensor Driver's side heated mirror From a/c compressor speed sensor From abs control module From airbag control module From emergency flasher relay From high tone horn From interior temp. sensor (i/p) From oxygen sensor heater 1 From passenger's door handle alarm switch From transmission range program switch G202 (behind left side of i/p) Headlight washer pump Hood alarm switch Left heated door lock control module Left rear window switch Mirror adjust switch Passenger's backrest heat element Passenger's seat heater temperature sensor Passenger's side heated mirror Power window control module Power window/ sunroof control module Right front window switch Right heated door lock control module Right rear window switch Servotronic control module W/ a/t W/ abs W/ auto a/c W/ sunroof W/o sunroof Ground Distribution Wiring Diagram (3 of 6) for Audi 90 CS 1994 List of elements for Ground Distribution Wiring Diagram (3 of 6) for Audi 90 CS 1994: 50 Abs combi relay Abs control module Airbag control lamp relay Airbag control module Auxiliary relay panel B/3 Beam Brake fluid level warning switch C/9 Central locking/ alarm system/ interior light delay control module Data link connector Differential lock control module Differential lock switch illumination Driver's door central locking system switch Driver's door handle alarm switch Elc warning switch Front lamp control module Fuse/ relay panel High tone horn Hydraulic fluid low level sensor Kick- down switch Left front fog light Left front park light Left front turn signal light Left headlights Left infrared central locking system sensor Low tone horn Only Oxygen sensor heater 1 Oxygen sensor heater 2 Passenger's door central locking system switch Passenger's door handle alarm switch Quattro Quattro only Rear auxiliary relay panel Rear differential lock switch Rear differential lock switch illumination Right front fog light Right front park light Right front turn signal light Right headlights Right infrared central locking system sensor To g202 Trunk lock alarm/ central locking switch Vehicle speed sensor W/ a/t W/ abs W/ auto check system W/ drl Windshield washer pump & fluid level warning switch Ground Distribution Wiring Diagram (4 of 6) for Audi 90 CS 1994 List of elements for Ground Distribution Wiring Diagram (4 of 6) for Audi 90 CS 1994: 53 A/c compressor clutch control module A/c compressor speed sensor A/c control head A/c refrigerant high pressure switch A12 A30k A86k A86m Auto a/c Auxiliary relay panel Back pressure flap motor potentiometer Center Central flap motor potentiometer Cigarette lighter Coolant fan Coolant fan control relay Coolant fan control thermo- switches Cruise control module D14 D15 Daytime running lights relay Footwell/ defrost flap motor potentiometer Fresh air blower control Fresh air intake duct temperature sensor Front ashtray light Fuel gauge damper control module Fuse/ relay panel Gauges package Heater fan relay Interior temperature sensor (headliner) Interior temperature sensor (i/p) Left front fog light Left rear woofer Left seat belt switch Manual a/c Module Outside air temperature display Outside air temperature sensor Program switch illum. relay Rear ashtray light Right front fog light Right rear woofer Seat belt warning system relay Temperature regulator flap motor potentiometer Third speed coolant fan control relay To emergency flasher relay To g202 Transmission range selector lever display W/ a/t W/ auto a/c W/ drl W/ manual a/c W/o drl Ground Distribution Wiring Diagram (5 of 6) for Audi 90 CS 1994 List of elements for Ground Distribution Wiring Diagram (5 of 6) for Audi 90 CS 1994: 42 A/c clutch A/c switch Automatic transmission console light Auxiliary relay panel C/3 Central locking/ alarm system/ interior light delay control module Driver's seat heat regulating switch Emergency flasher relay Emergency flasher switch Engine compartment light Fresh air blower switch Fresh air recirculating flap two- way valve From a/c control head From front ashtray light Front fog light switch/ illumination Front interior light Fuse/ relay panel G31 Glove compartment light Ground (near a/c compressor) Ground (under headliner) Headlight washer system relay Instrument cluster Left washer nozzle heater Load reduction relay Multi- function transmission range switch Nca Passenger's seat heat regulating switch Radio Rear fog light switch/ illumination Rear window defogger switch/ relay Right washer nozzle heater Selector lever light relay Shift lock control module Sunroof switch To g202 Transmission range program switch W/ a/t W/ auto a/c W/ manual a/c Windshield wiper motor Wiper/ washer intermittent relay Ground Distribution Wiring Diagram (6 of 6) for Audi 90 CS 1994 List of elements for Ground Distribution Wiring Diagram (6 of 6) for Audi 90 CS 1994: 20 Fuel level sensor G404 (near left taillight) High mount brake light Left back-up light Left brake light Left rear lamp assembly Left rear side marker light Left rear turn signal light Left tail light License plate lights Luggage compartment light switch Luggage compartment lock alarm/ central locking switch Rear fog light Rear lamp control module Right back-up light Right brake light Right rear lamp assembly Right rear side marker light Right rear turn signal light Right tail light
HEADLIGHTS Fog Lamps Wiring Diagram, Canada for Audi 90 CS 1994 List of elements for Fog Lamps Wiring Diagram, Canada for Audi 90 CS 1994: 41 (behind left side of i/p) (near left taillight) 56a 75n Acc All times C56ak D56ar Dimmer switch F55 Fog light relay Fog light switch Ftp Fuse 10a Fuse 15a Fuse/relay panel (left side plenum tray) G202 G404 G85n G86n Head Headlight dimmer/ flasher 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 Fog Lamps Wiring Diagram, USA for Audi 90 CS 1994 List of elements for Fog Lamps Wiring Diagram, USA for Audi 90 CS 1994: 41 (behind left side of i/p) (near left taillight) 56a 75n Acc All times C56ak D56ar Dimmer switch F55 Fog light relay Fog light switch Ftp Fuse 10a Fuse 15a Fuse/relay panel (left side plenum tray) G202 G404 G85n G86n Head Headlight dimmer/ flasher 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 Wiring Diagram, Canada for Audi 90 CS 1994 List of elements for Headlamps Wiring Diagram, Canada for Audi 90 CS 1994: 56 (behind left side of i/p) 56a 56b Acc All times Auto- check system Auxiliary relay panel (behind left side of i/p) C56ak D 58l D56ar D56al D56bl D56br Daytime running lights relay Dimmer switch E 58r Exterior lights system F56b F57l Fog light relay Front lamp control module Ftp Fuse 10a Fuse 5a Fuse/ relay panel (left side plenum tray) Fuse/relay panel (left side plenum tray) G202 G57r H 58l H 58r Head Headlight dimmer/ flasher switch Hi beam ind. Hot at I56a Ignition switch Instrument cluster J30 L30 Left front park/ turn light Left head- light Light switch Lisence plate lights Load reduction relay Off Park Rear lamp control module Red Right front park/ turn light Right head- light Run Series resistance wire Start Turn Warnings system Headlamps Wiring Diagram, USA for Audi 90 CS 1994 List of elements for Headlamps Wiring Diagram, USA for Audi 90 CS 1994: 41 (behind left side of i/p) 56a 56b Acc All times Auto- check system Auxiliary relay panel (behind left side of i/p) C56ak D56ar D56al D56bl D56br Dimmer switch Exterior lamps F56b Fog light relay Front lamp control module Ftp Fuse 10a Fuse/ relay panel (left side plenum tray) Fuse/relay panel (left side plenum tray) G202 Head Headlight dimmer/ flasher switch Hi beam ind. Hot at I56a Ignition switch Instrument cluster L30 Left head- light Light switch Off Park Rear lamp control module Red Right head- light Run Start System Warnings system
HORN Horn Wiring Diagram for Audi 90 CS 1994 List of elements for Horn Wiring Diagram for Audi 90 CS 1994: 16 Acc Dual horn relay E87h Fuse 3 25a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) G71 G75 High note horn Horn button Hot at all times Ignition switch Load reduction relay Low note horn Off Start
INSTRUMENT CLUSTER Instrument Panel Wiring Diagram (90 Wiring Diagram 2 Of 2) for Audi 90 CS 1994 List of elements for Instrument Panel Wiring Diagram (90 Wiring Diagram 2 Of 2) for Audi 90 CS 1994: 21 (behind left side Auto- check system C15a Center rear ashtray light Fuse 12 15a Fuse 14 5a Fuse/relay panel (left side plenum tray) G202 Gauges package Hot in on or start Hot w/ park or headlights on Instrument lighting booster Instrument panel lights J58a Of i/p) Oil press gauge Oil pressure sensor Oil temp gauge Oil temperature sensor Solid state Volt- meter
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Audi 90 CS 1994 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Audi 90 CS 1994: 43 (optional) Anti- theft system C1/1 Center rear ashtray light Central locking/ alarm system/ interior light delay control module Cluster Door Engine comp- artment light F30al Front interior light Fuse 14 5a Fuse 4 15a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) G404 (near left taillight) Gauges package Glove comp- artment light H30b Head Headlight washer system relay Hot at all times I58d Instrument Instrument lighting booster 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 Nca Off Park Right front door contact switch Right front reading light Right make-up mirror light Right rear door contact switch Right rear reading light Trunk light Trunk light switch Courtesy Lamps Wiring Diagram (2 of 2) for Audi 90 CS 1994 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Audi 90 CS 1994: 15 C15a Driver seat heat regulating switch Emergency flasher switch Fuse 12 15a Fuse 15 25a Fuse 18 5a Fuse/relay panel (left side plenum tray) G202 (behind left side of 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 CS 1994 List of elements for Instrument Illumination Wiring Diagram for Audi 90 CS 1994: 56 A/c control head A/t console light Ashtray light Auto a/c Auto check system Auxiliary relay panel (behind left side of i/p) C1-1 C1-5 C1-8 C15a C2-21 Cigarette lighter light Clock Dim input Dimmer switch Exterior F30al Fresh air control lever light Front fog light switch Fuse 12 15a Fuse 14 5a Fuse 4 15a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) Gauges package Generator Gnd Head Hot at all times Hot in on or start I58d Illum. lights Instrument cluster Instrument lighting booster J58 Light switch Lights system 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 Transmission range program switch Transmission range selector lever display W/ a/t W/ auto a/c W/ quatrro Warning systems
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Audi 90 CS 1994 List of elements for Power Distribution Wiring Diagram (1 of 4) for Audi 90 CS 1994: 41 (a/t) (m/t) A/t A30m Abs combi relay Abs hydraulic unit Auxiliary relay panel (behind left side of i/p) B20 Battery Control module Coolant fan control relay Coolant fan fuse 60a Daytime running Driver seat heat regulating switch Driver's seat adjusting switch Dual horn relay Engine control module Fuse 25a Fuse/ relay panel (left side plenum tray) G30a Generator Ground (in battery box) Headlight washer system relay L30 Lights relay M/t Passenger seat heat regulating switch Power Power sunroof control module Power window Power window circuit breaker 20a Rear auxiliary relay panel (below left rear seat) Red Seat circuit breaker 30a Second speed coolant fan control relay Starter Sunroof circuit breaker 20a Third speed coolant fan control relay To load reduction relay W/ abs W/ drl Power Distribution Wiring Diagram (2 of 4) for Audi 90 CS 1994 List of elements for Power Distribution Wiring Diagram (2 of 4) for Audi 90 CS 1994: 80 (a/t only) (behind left side of i/p) (not used) (quattro) (w/ drl) 50z 50b 86s A/2 A/c control head (w/ auto a/c) Abs control module (abs only) Acc Alarm system relay Alarm system/ interior light delay control Auxiliary relay panel Auxiliary relay panel (behind left side of i/p) B/1 B/2 Brake light switch C13 Central locking/ Central locking/ alarm system/ interior light delay control module Cigarette lighter D+/61 Data link connector Daytime running lights relay Driver's door central locking system switch Dual horn relay E50a Emergency flasher switch F30al From a fuse 3 Front interior light Fuel gauge damper control module Fuel pump relay Fuse 10a Fuse 15a Fuse/ relay panel (left side plenum tray) Fuse/relay panel (behind left side of i/p) G202 (behind left side of i/p) G31 G49 G75 Generator H30b Ignition switch Instrument cluster Instrument cluster (digital clock) Interior lights system (rheostat) Key-in ignition switch L30 Left heated door lock control module Left make-up mirror light Left rear woofer Light switch Light switch & headlight dimmer/ flasher switch Load reduction relay Luggage compartment light M/t only M30ac M30az Module Off Passenger's door central locking system switch Radio Red Right heated door lock control module Right make-up mirror light Right rear woofer Run Seat belt warning system relay Selector lever light relay Start Starter To airbag control module To fuse 15 W/ 6 speaker system W/ anti- theft W/ drl only W/o anti- theft Power Distribution Wiring Diagram (3 of 4) for Audi 90 CS 1994 List of elements for Power Distribution Wiring Diagram (3 of 4) for Audi 90 CS 1994: 77 (a/t) (behind (left side (m/t) (quattro) *electronic differential lock control cut-off relay w/ quattro 15a 25a 30a 75n A/c compressor clutch A/c control head A/c refrigerant high A/c refrigerant low pressure switch Abs combi relay Airbag control lamp relay Airbag control module Ambient temperature switch Auxiliary relay panel Auxiliary relay panel (behind left side of i/p) Auxiliary relay panel 1 (behind left side of i/p) C 1995 vftc C14 Control Coolant Coolant fan control D75a Differential lock control module Display unit Emergency flasher switch Fan Flap two-way valve Fog light relay Fresh air blower Fresh air/ recirc. From ignition switch From load reduction relay Fuse 15 Fuse 16 Fuse 17 Fuse 18 Fuse 31 Fuse/ relay panel I15 I75aw Interior temperature sensor Intermittent J75ah J75al Left side Left washer nozzle heater M75as M75s Mirror Nca Of i/p) Plenum Power window control module Pressure switch Rear auxiliary relay panel (below left rear seat) Rear differential lock switch Rear window defogger switch Relay Right washer nozzle heater Seat belt warning system relay Second speed coolant fan control Switch Thermo- switch Third speed coolant fan control To fuel pump relay Tray) W/ auto a/c W/ manual a/c Washer/ Windshield wiper intermittent switch Windshield wiper motor Wiper Power Distribution Wiring Diagram (4 of 4) for Audi 90 CS 1994 List of elements for Power Distribution Wiring Diagram (4 of 4) for Audi 90 CS 1994: 39 A/1 A/t only Airbag control indicator Auto a/c only Auxiliary relay panel (behind left side of i/p) B15 B15a Back-up light switch C15a Central locking/ alarm system/ interior light delay control Cruise control switch Driver seat heat regulating switch Ect electronic thermoswitch Engine control module From airbag d control module Fuel pump relay Fuse 12 15a Fuse 27 10a Fuse 30 5a Fuse 32 20a Fuse/ relay panel (left side plenum Gauges package Ignition coil 1 Ignition coil 2 Ignition coil 3 Instrument cluster M/t only Mass air flow sensor Multi- function transmission range switch Outside air temperature display module Park/ neutral position relay Passenger seat heat regulating switch Program switch illumination relay Rear lamp control module Servotronic control unit Shift lock control module Transmission control module Transmission range selector lever display Tray)
POWER DOOR LOCKS Heated Door Locks Wiring Diagram for Audi 90 CS 1994 List of elements for Heated Door Locks Wiring Diagram for Audi 90 CS 1994: 15 All times Door lock Fuse 19 10a 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 unit Left heated door lock switch Right Right door lock Right heated door lock control unit Switch
POWER MIRRORS Power Mirrors Wiring Diagram for Audi 90 CS 1994 List of elements for Power Mirrors Wiring Diagram for Audi 90 CS 1994: 11 Defoggers Fuse 18 5a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) Hot in run or acc Left mirror motor Mirror adjustment switch Mirror position Mirror select Right mirror motor System
POWER SEATS Heated Seats Wiring Diagram for Audi 90 CS 1994 List of elements for Heated Seats Wiring Diagram for Audi 90 CS 1994: 17 (left side of dash) g202 All times Driver backrest heat element Driver seat heat element Driver seat heat regulating switch Driver seat heater temper- ature sensor Fuse 12 15a Fuse 3 30a Fuse/relay panel (left side plenum tray) 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 CS 1994 List of elements for Left Power Seat Wiring Diagram for Audi 90 CS 1994: 13 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 (left side plenum tray) G202 (behind left side of dash) Hot at all times Rear height
POWER TOP/SUNROOF Sunroof Wiring Diagram for Audi 90 CS 1994 List of elements for Sunroof Wiring Diagram for Audi 90 CS 1994: 17 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) G908 (under headliner) Hot at all times Iii L30 Left front door contact switch Load reduc- tion relay M75s Power window/ sunroof control module Red Seat belt warning control module Sunroof motor Sunroof relay Sunroof switch
POWER WINDOWS Power Windows Wiring Diagram for Audi 90 CS 1994 List of elements for Power Windows Wiring Diagram for Audi 90 CS 1994: 28 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) 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) Seat belt warning control module Sunroof motor Window lockout switch Window switch (center console)
RADIO Radio Wiring Diagram for Audi 90 CS 1994 List of elements for Radio Wiring Diagram for Audi 90 CS 1994: 34 15a 86s Antenna Antenna amplifier (left rear "d" pillar) Antenna amplifier (right rear "d" pillar) Anti-theft system F30al Fuse 4 Fuse/ relay panel G202 (behind left side of dash) Hot at all times Ignition switch Instrument cluster system Interior lights system Key in ignition Left front speaker Left rear tweeter Left rear woofer Mini check system control module Nca Radio Rear window defogger switch Rear window defogger/ window antenna 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 CS 1994 List of elements for Shift Interlock Wiring Diagram for Audi 90 CS 1994: 33 (behind left side of i/p) (left kick panel) Alarm system/ Auxiliary relay panel Auxiliary relay panel (behind left side of i/p) Back-up Brake light switch C/1 C/9 Central locking/ Cluster Control module Engine control module Function switch Fuse 12 15a Fuse 29 10a Fuse/relay panel (left side plenum tray) G200 (lower left "a" pillar) Hot at all times Hot in on or acc Instrument Interior light delay Lights Multi- Park/ neutral position relay Shift lock Shift lock control module Solenoid Speedometer Starting System Transmission control module Vehicle speed output
STARTING/CHARGING Starter System Wiring Diagram (Cabriolet Wiring Diagram A/T) for Audi 90 CS 1994 List of elements for Starter System Wiring Diagram (Cabriolet Wiring Diagram A/T) for Audi 90 CS 1994: 33 (behind left side of i/p) (left kick panel) (not used) 15a Acc Alarm system/ Auxiliary relay panel Back-up lights Battery C/1 C/9 Central locking/ Central locking/ alarm system/ interior light delay control module Control module E50a Engine control module (between right front of bulkhead & air duct) Function switch Fuse/relay panel Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) Generator Ground (in battery box) Hot at all times Ignition switch Interior light delay Multi- Off Park/ neutral position relay Red Shift lock control module (in auxiliary relay panel, left kick panel) Start Starter Transmission control module Starter System Wiring Diagram (Cabriolet Wiring Diagram M/T) for Audi 90 CS 1994 List of elements for Starter System Wiring Diagram (Cabriolet Wiring Diagram M/T) for Audi 90 CS 1994: 21 (not used) 15a Acc Alarm system relay Battery Bridge connection (w/o alarm system) C/1 Central locking/ alarm system/ interior light delay control module E50a F50z Fuse/ relay panel (left side plenum tray) Generator Ground (in battery box) H50w Ignition switch L30 L30 red Off Red Start Starter Charging Wiring Diagram for Audi 90 CS 1994 List of elements for Charging Wiring Diagram for Audi 90 CS 1994: 26 (behind left side of i/p) (below left rear seat) 50b A/t console light switch- over relay Abs control module Acc Auxiliary relay panel Battery Engine Fuse 15a Fuse/ relay panel Fuse/relay panel (left side plenum tray) Gen ind. Generator Ground (in battery box) Ground strap Hot at all times Hot in on or start Ignition switch Instrument cluster Off Parking brake ind. Red Start Starter W/ abs only
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Audi 90 CS 1994 List of elements for Supplemental Restraints Wiring Diagram for Audi 90 CS 1994: 23 Acc Airbag control light Airbag control light relay Airbag control module (below center console) Airbag igniter Airbag spiral spring Auxiliary relay panel (behind left side of i/p) Computer data lines system Connector Data link Fuse 12 15a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) Hot at all times I15 Ignition switch Nca Off Rapid data Start Transfer
TRANSMISSION A/T Wiring Diagram for Audi 90 CS 1994 List of elements for A/T Wiring Diagram for Audi 90 CS 1994: 81 (left side of i/p) * 1993 models 1995 vftc c 2p n 50a 50z 87a A/c kickdn A/c system Abs/tcs Atf temp Automatic transmission console light Automatic transmission console light switch-over relay Auxilliary relay panel (left i/p) Brake light switch (on pedal cluster) Brake lt sw C15a Central locking/ alarm system/ interior light delay control module (below right taillight) Cruise control system Data link connector (in plenum tray) E50a Engine control module (between front right of bulkhead and air duct) 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) Gear selection indicator Generator terminal d+ Ground H50w 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 switch (rear of gear box housing) Not On/start v P/n Park/ neutral position relay Pk/neut sig Program switch light relay Protection diode R n Red Red/ starter terminal Rpm sig Shift interlock system Shift lock control module Sol supp v Solenoid 1 Solenoid 2 Solenoid 3 Solenoid 4 Solenoid 5 Solenoid 6 Solenoid 7 Solenoid valves Spd ctrl mod T20 Tps signal v Tr display Tr prog sw Tr sw lamp Transmission control module (on brake pedal support) Transmission fluid temperature sensor Transmission range program switch Used Valve body Vehicle speed sensor (on gearbox housing) Vss Differential Lock Wiring Diagram, Quattro for Audi 90 CS 1994 List of elements for Differential Lock Wiring Diagram, Quattro for Audi 90 CS 1994: 19 (behind left side of i/p) Cluster Diff. lock ind. Differ- ential lock switch Differential lock control Electronic differential lock cut- off relay Fuse 31 15a Fuse/relay panel (left side plenum tray) G202 Hot in on or start Ill. Instrument Interior lights system (rheostat) Module Rear diff. lock ind. Rear differential lock switch Rear differential lock switch illumination/ indicator Solid state Speedo- meter
WARNING SYSTEMS Warning Systems Wiring Diagram, with Mini-Check System for Audi 90 CS 1994 List of elements for Warning Systems Wiring Diagram, with Mini-Check System for Audi 90 CS 1994: 85 (0.3 bar) (behind left side of 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 Antenna amplifier Anti- theft system Auxiliary relay panel (behind left side of i/p) B10 B15a Back-up lights C1-1 C1-10 C1-11 C1-13 C1-19 C1-4 C1-5 C1-8 C15a C2-15 C2-16 C2-18 C2-21 C3-10 C3-12 C3-13 C3-14 C3-3 C3-4 C3-7 C3-8 C3-9 Cruise control system Dimmer switch Ect electronic thermoswitch Engine control module Engine coolant level switch Engine oil pressure switch F30al Fuel gauge Fuel gauge damper control module Fuel level sensor Fuse 12 15a Fuse 14 5a Fuse 4 15a Fuse/ relay panel (left side plenum tray) Fuse/relay panel (left side plenum tray) G202 G404 (near left taillight) Generator Head Hot at all times Hot in on or start Hot w/ park or headlights on I58d Ignition switch 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 Mini-check system Nca Off Park Power window control module Quattro only Radio Red Start Voltage stabilizer Warning Systems Wiring Diagram, without Mini-Check System for Audi 90 CS 1994 List of elements for Warning Systems Wiring Diagram, without Mini-Check System for Audi 90 CS 1994: 36 (behind left side of i/p) 86a Acc Alarm system/ Antenna amplifier Auxiliary relay panel Central locking/ Control module Exterior Fuse 12 15a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) Head Hot at all times Hot in on or start Ignition switch Instrument cluster Interior light delay Key-in- ignition L30 Left front door contact switch Left seat belt switch Light Lights system Nca Off Park Power window control module Radio Red Seat belt ind. Seat belt warning system relay Start Switch
WIPER/WASHER Wiper/Washer Wiring Diagram for Audi 90 CS 1994 List of elements for Wiper/Washer Wiring Diagram for Audi 90 CS 1994: 30 B53c C31b C53c C53e Emergency Engine compartment light Flasher switch Fuse 15 25a Fuse/relay panel (left side plenum tray) G202 (behind left side of i/p) G31 Headlight washer pump Headlight washer system relay Hot at all times Hot in on or acc Hot w/ park or headlights on Instrument cluster system J75ah Left washer nozzle heater (optional) Nca Red Right washer nozzle heater (optional) Solid state Washer fluid level switch Washer switch Windshield washer pump Windshield wiper intermittent switch Windshield wiper motor Wiper switch Wiper/ washer inter- mittent relay
