Diagram sections — 12 (18 total)
AIR CONDITIONING COOLING FAN DEFOGGERS HORN MEMORY SYSTEMS POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO STARTING/CHARGING WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for Audi 90 1991 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Audi 90 1991: 22 (not used) A/c control head A/c programmer Alternator Battery Coolant fan after run thermo switch Coolant fan low speed relay Cooling fan after run control unit Cooling fan thermo switch Fuse 15a Fuse 25a Fuse 30a Fuse 5a Fuse/ relay panel Hot w/ lights on Hot w/ load reduction relay energized Ignition (15) Instrument cluster Interior temperature sensor 1 fan Red Tcm Temp regulator flap motor Automatic A/C Wiring Diagram (2 of 2) for Audi 90 1991 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Audi 90 1991: 21 A/c compressor clutch A/c compressor clutch unit A/c high pressure switch A/c low pressure switch A/c refrigerant high pressure Ambient temperature sensor Coolant fan Coolant fan after run resistor Coolant fan control thermo switch Coolant fan high speed relay Coolant low level Coolant temperature sensor Fresh air fan control unit Fresh air fan motor Fuel injection control unit Inside temperature sensor 1 Inside temperature sensor 2 Instrument cluster Outside temperature sensor Red Switch Manual A/C Wiring Diagram for Audi 90 1991 List of elements for Manual A/C Wiring Diagram for Audi 90 1991: 48 (in fuse/ relay panel) (in instrument g206 panel wiring harness) (not A/c compressor clutch A/c control unit A/c flap A/c refrig- A/c refrigerant A/c refrigerant high pressure switch Battery (30) Blower motor Blower resistors Blower switch Cluster Coolant fan Coolant fan after run Coolant fan after run control unit Coolant fan low speed relay Coolant fan resistor Coolant fan thermo switch Ctrl relay Diode Electronic thermo switch Erant low Fuel injection control unit Fuse 15a Fuse 20a Fuse 30a Fuse/ relay panel G206 (in instrument panel wiring harness) Heater fan relay High speed coolant fan Hot with load reduction relay energized (x) Ignition (15) Illumi- nation Instru- Low coolant switch Ment Nca Off Outside temp switch Pressure Pressure safety switch Solenoid Switch Tcm Thermo switch Used)
COOLING FAN Cooling Fan Wiring Diagram for Audi 90 1991 List of elements for Cooling Fan Wiring Diagram for Audi 90 1991: 28 1990 80 30as A/c refrig high pres switch A/c relay A30k A30m A85m A86m A87m Air conditoning system C 1995 vftc D75a D85l E87la Except 1990 80 Fuse 25a Fuse 30a Fuse/ relay panel (left side of engine compt) G202 (behind left side of dash) G31 Hot at all times Hot in run Radiator cooling fan Radiator cooling fan after run control unit (fuse/ relay panel, left side of engine compt) Radiator cooling fan after run resistor Radiator cooling fan high speed relay Radiator cooling fan low speed relay Radiator cooling fan thermo switches
DEFOGGERS Defoggers Wiring Diagram for Audi 90 1991 List of elements for Defoggers Wiring Diagram for Audi 90 1991: 16 1995 vftc c 1995 vftc c 58d 75h Driver's mirror Fuse 30a Fuse/ relay panel G202 (behind left side of dash) Heat element Hot in run Instrument cluster Interior lights system Nca Passenger's mirror Rear antenna amplifier (near rear window) Rear defogger heat element Rear defogger switch
HORN Horn Wiring Diagram for Audi 90 1991 List of elements for Horn Wiring Diagram for Audi 90 1991: 11 1995 vftc c Dual horn relay E87h Fuse 25a Fuse/ relay panel (left side of engine compt) G202 (behind left side of dash) G71 Horn button Horns Hot at all times Hot in run
MEMORY SYSTEMS Memory Systems Wiring Diagram for Audi 90 1991 List of elements for Memory Systems Wiring Diagram for Audi 90 1991: 25 87a Back rest C15a Circuit breaker 20a Driver seat adjustment switches Driver seat backrest adjust motor Driver seat fore/ aft adjust motor Driver seat front height adjust motor Driver seat rear height adjust motor Fore/ aft height Front height Fuse 15a Fuse 30a Fuse/ relay panel (left side of engine compartment) G202 (behind left side of dash) Hot at all times Hot in on or start L30 red Memory control indicator light Memory program switch Memory seat control module R r Rear height Red Warning systems
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Audi 90 1991 List of elements for Power Door Locks Wiring Diagram for Audi 90 1991: 22 (in left door) left door lock heater control unit 1995 vftc c 86s Central lock system motor (behind right side luggage compt trim) Fuse 10a Fuse/relay panel (left side of engine compt) G202 (behind left side of dash) Hot at all times Ignition/ start switch Interior light delay control unit Left central lock system switch Left door lock cylinder heater Left outside door handle switch M30az Off Red Right central lock system switch Right door lock cylinder heater Right door lock heater control unit (in right door) Right outside door handle switch Seatbelt warning relay (auxilary relay panel, left side of dash) Start
POWER MIRRORS Power Mirrors Wiring Diagram for Audi 90 1991 List of elements for Power Mirrors Wiring Diagram for Audi 90 1991: 14 1995 vftc c 1995 vftc c Defogger system Driver's mirror Fuse 5a Fuse/ relay panel (left side of engine compt) G202 (behind left side of dash) Hot in run In/out control M75as Mirror heat element Passenger's mirror Power mirror switch Select control Up/down control
POWER SEATS Heated Seats Wiring Diagram for Audi 90 1991 List of elements for Heated Seats Wiring Diagram for Audi 90 1991: 23 1995 vftc c 58b 80, 90 w/o power seats Driver backrest element Driver heated seat relay (auxiliary relay panel, left side of dash) Driver heated seat switch Driver seat element Driver seat temperature sensor Fuse 30a Fuse/ relay panel (left side of engine compt) G202 (behind left side of dash) Hot at all times Hot in run In-line fuse L30 M75s Passenger backrest element Passenger heated seat relay (auxiliary relay panel, left side of dash) Passenger heated seat switch Passenger seat element Passenger seat temperature sensor Red W/ power seats Passenger Power Seat Wiring Diagram for Audi 90 1991 List of elements for Passenger Power Seat Wiring Diagram for Audi 90 1991: 17 Back rest Fore/ aft Front height Fuse 30a Fuse/ relay panel (left side of engine compartment) G202 (behind left side of dash) Hot at all times L30 red Passenger fore/aft adjust switch Passenger seat backrest adjust motor Passenger seat backrest adjustment Passenger seat fore/aft adjust motor Passenger seat front height adjust motor Passenger seat rear height adjust motor Rear height Red Switch
POWER WINDOWS Power Windows Wiring Diagram for Audi 90 1991 List of elements for Power Windows Wiring Diagram for Audi 90 1991: 30 87a 87b Auxiliary relay panel (under dash, to left of steering column) C 1995 vftc c 1995 vftc Driver's left rear window switch Driver's right front window switch Driver's right rear window switch Fuse/ relay panel (left side of engine compartment) G202 (behind left side of dash) G31 Hot at all times Hot in run Left front door contact switch Left front window motor Left front window switch Left rear door window switch Left rear window motor Load reduction relay M75s Power window/ sunroof control unit Right front door contact switch Right front door window switch Right front window motor Right rear door window switch Right rear window motor Sunroof switch Tk2 Tk3 Window circuit breaker Window lock out switch
RADIO Radio Wiring Diagram for Audi 90 1991 List of elements for Radio Wiring Diagram for Audi 90 1991: 31 (not used) 10e 31l 31r 58d Anti-theft system Clock Control + Data Defogger system Enable Front window antenna amplifier (right side windshield pillar) Fuse 15a Fuse/ relay panel (left side of engine compt) G202 (behind left side of dash) Headphone unit High frequency left rear speaker High frequency right rear speaker Hot at all times Interior lights system Left front speaker Left rear low frequency speaker unit Nca Nf(+) Nf(-) Radio Rear window antenna amplifier (below trunk latch) Red Right front speaker Right rear low frequency speaker unit Seat belt warning relay
STARTING/CHARGING Charging Wiring Diagram for Audi 90 1991 List of elements for Charging Wiring Diagram for Audi 90 1991: 21 10v 26/13 26/3 26a/16 6e/1 6f/2 Air conditioning, ant-lock brakes systems Alt warning indicator Alternator Auto check control unit Battery F50z Fuse 15a Fuse/relay panel (left side of engine compt) G111 (on battery box) Hot in on or start Instrument cluster L30 Park brake warn ind Red Voltage stabilizer Starting Wiring Diagram, A/T for Audi 90 1991 List of elements for Starting Wiring Diagram, A/T for Audi 90 1991: 25 (behind left side of dash) (left kick panel) 15a 2/pn Acc Anti-theft alarm control unit (right front engine compt) Automatic shift lock control unit Auxiliary relay panel B50a Back-up lights Battery Engine controls systems F50z Function switch (on transmission) Fuse/relay panel (left side of engine compt) G111 (on battery box) G202 (behind left side of dash) Hot at all times Ignition switch Multi- Off Park/ neutral position relay Start Starter Transmission control module Starting Wiring Diagram, M/T for Audi 90 1991 List of elements for Starting Wiring Diagram, M/T for Audi 90 1991: 16 15a Acc Alarm system relay (w/ alarm system) Anti-theft alarm control unit (right front engine compt) Battery E50a F50z Fuse/ relay panel (left side of engine compt) G111 (on battery box) H50w Hot at all times Ignition switch Jumper (w/o alarm system) Off Start Starter
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Audi 90 1991 List of elements for Front Wiper/Washer Wiring Diagram for Audi 90 1991: 23 175aw 1995 vftc c 53a 53b 53c 53e B53c C31b C53c C53e Emergency flasher switch Engine compartment light Fuse 25a Fuse/relay panel G202 (behind left dash) G31 Hot in run Nca Wash/wipe intermittent relay Wash/wipe intermittent switch Washer nozzle heaters Windshield washer pump Wiper motor Headlamp Washer Wiring Diagram for Audi 90 1991 List of elements for Headlamp Washer Wiring Diagram for Audi 90 1991: 16 1995 vftc c B53c C53c Fuse 25a Fuse/relay panel G202 (behind left dash) G31 Headlight washer pump Headlight washer system relay Headlights system Hot at all times Hot in run Red Wash/wipe intermittent relay Wash/wipe intermittent switch Windshield washer pump
