All Wiring Diagrams for Audi A4 1999

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Audi A4 1999

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Audi A4 1999:

• A/c control head
• Back pressure flap motor and sensor
• Center outlet temperature sender
• Central flap motor and sensor
• Floor outlet temperature sender
• Footwell/defroster flap motor and sensor
• Fresh air intake duct temperature sensor
• G202 (left side of dash)
• Instrument cluster
• Instrument cluster system (w/ auto check)
• Interior temperature fan & sensor
• Motronic engine control module (left rear corner of eng compt)
• Outside air temperature sensor
• Sunlight photo sensor
• T32
• T32a
• Temperature regulator flap motor and sensor
• Transmission control module

Automatic A/C Wiring Diagram (2 of 2) for Audi A4 1999

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Audi A4 1999:

• (left side of dash) g202
• (lower part of left "a" pillar) g200
• A/c clutch relay (on 13-way relay carrier)
• A/c compressor clutch
• A/c refrigerant high pressure switch
• Coolant fan
• Coolant fan control relay (on 8-way relay carrier)
• Coolant fan control series resistor
• Coolant fan control thermal switch
• Fresh air blower
• Fuse 10a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse panel
• G200 (lower part of left "a" pillar)
• Hot at all times
• Hot in run
• Hot w/ load reduction relay energized
• Relay carrier (8-way)
• Second speed coolant fan control relay (on 8-way relay carrier)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram, FWD for Audi A4 1999

List of elements for Anti-lock Brakes Wiring Diagram, FWD for Audi A4 1999:

• 13a
• 8-way relay carrier
• Abs control module
• Abs return flow pump
• Abs return flow pump relay
• Abs solenoid valve relay
• Abs/edl hydraulic unit (below left side of rear seat)
• All times
• Anti-slip control switch
• Brake- light switch
• Combination processor
• Diagnostic connector
• Fuse 13 10a
• Fuse 53 60a
• Fuse 7 10a
• Fuse panel
• G202 (behind left dash)
• Hot at
• Hot in on or start
• Instrument cluster
• Left front abs inlet valve
• Left front abs outlet valve
• Left front abs wheel speed sensor
• Left front traction control outlet valve
• Left front traction control switch-over valve
• Left rear abs inlet valve
• Left rear abs outlet valve
• Left rear abs wheel speed sensor
• Motronic engine control module (in left rear corner of engine compartment)
• Navigation system
• Red
• Right front abs inlet valve
• Right front abs outlet valve
• Right front abs wheel speed sensor
• Right front traction control outlet valve
• Right front traction control switch-over valve
• Right rear abs inlet valve
• Right rear abs outlet valve
• Right rear abs wheel speed sensor
• T32
• T32a
• Traction control ind
• W/ anti-slip control
• W/o anti-slip control

Anti-lock Brakes Wiring Diagram, Quattro for Audi A4 1999

List of elements for Anti-lock Brakes Wiring Diagram, Quattro for Audi A4 1999:

• 13a
• 8-way relay carrier
• Abs control module
• Abs return flow pump
• Abs return flow pump relay
• Abs solenoid valve relay
• Abs/edl hydraulic unit (left front of engine compartment)
• All times
• Brake- light switch
• Combination processor
• Diagnostic connector
• Fuse 13 10a
• Fuse 53 50a
• Fuse 7 10a
• Fuse panel
• G202 (behind left dash)
• Hot at
• Hot in on or start
• Instrument cluster
• Left front abs inlet valve
• Left front abs outlet valve
• Left front abs wheel speed sensor
• Left front traction control outlet valve
• Left front traction control switch-over valve
• Left rear abs inlet valve
• Left rear abs outlet valve
• Left rear abs wheel speed sensor
• Motronic engine control module (left rear of engine compartment)
• Red
• Right front abs inlet valve
• Right front abs outlet valve
• Right front abs wheel speed sensor
• Right front traction control outlet valve
• Right front traction control switch-over valve
• Right rear abs inlet valve
• Right rear abs outlet valve
• Right rear abs wheel speed sensor
• T32
• T32a

ANTI-THEFT

Anti-theft Wiring Diagram (1 of 2) for Audi A4 1999

List of elements for Anti-theft Wiring Diagram (1 of 2) for Audi A4 1999:

• (behind left side of dash)
• (central electric panel, position 4)
• (not used)
• (on bottom right of luggage compartment)
• (sedan)
• 14a
• 238a
• 86s
• Antenna
• Central locking/ interior light delay/ anti-theft alarm control module
• Clutch pedal position switch (m/t)
• Door lock switch
• Engine control module (left rear corner of engine compt)
• Exterior lights system
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse relay panel
• G202 (behind left side of dash)
• G900 (lower left "a" pillar)
• Hot at all times
• Hot in start and run
• Ignition switch
• Instrument cluster
• Interior lights system
• Key switch
• Left door warning light
• Nca
• Not used
• Park/ neutral position relay
• Power windows system
• Radio
• Red
• Right door warning light
• T11
• T32
• Trans range selector (a/t)
• Warning light control module
• With remote control

Anti-theft Wiring Diagram (2 of 2) for Audi A4 1999

List of elements for Anti-theft Wiring Diagram (2 of 2) for Audi A4 1999:

• Alarm horn
• G202 (behind left side of dash)
• G900 (lower left "a" pillar)
• Hood alarm switch
• Left front door contact switch
• Left front door handle alarm switch
• Left rear door contact switch
• Left ultra- sound sensor
• Passenger's compartment monitoring switch
• Right front door contact switch
• Right front door handle alarm switch
• Right rear door contact switch
• Right ultra- sound sensor
• Trunk lock alarm switch
• Ultrasonic monitor control module (below center of rear seat)

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Audi A4 1999

List of elements for Computer Data Lines Wiring Diagram for Audi A4 1999:

• 12a
• 231a
• A/c control head
• Abs control module
• Airbag control module (in center console)
• C14
• Central locking/ alarm system/ interior light delay control module (on bottom right luggage compartment)
• Data link connector
• Engine control module (in left rear corner of engine compartment)
• Fuse 10a
• Fuse 15a
• Fuse relay panel (behind left side of dash)
• G202 (behind left side of dash)
• Hot at all times
• Hot in on or start
• Instrument cluster
• T32
• Trans- mission control module (under right front seat and carpet)
• Ultrasound interior module (below center of rear seat)

COOLING FAN

Cooling Fan Wiring Diagram for Audi A4 1999

List of elements for Cooling Fan Wiring Diagram for Audi A4 1999:

• (lower part of left "a" pillar)
• A/c control head
• A/c refrigerant high pressure switch
• Carrier, position 2)
• Coolant fan
• Coolant fan control relay (on 8-way relay carrier, position 3)
• Coolant fan control series resistor
• Coolant fan control thermal switch
• D16
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse assembly (behind left side of dash)
• Fuse relay panel (behind left side of dash)
• G200
• Hot at all times
• Hot w/ load reduction relay energized
• Second speed coolant fan control relay (on 8-way relay

CRUISE CONTROL

Cruise Control Wiring Diagram for Audi A4 1999

List of elements for Cruise Control Wiring Diagram for Audi A4 1999:

• Brake- light switch
• Cluster
• Combination processor
• Control module
• Cruise control brake pedal switch
• Cruise control module
• Cruise control switch
• Cruise control vacuum pump
• Fuse 10a
• Fuse panel
• G200 (behind left side of dash)
• Hot at all times
• Instrument
• Multi- function transmission range switch
• T32
• Transmission

DEFOGGERS

Defoggers Wiring Diagram for Audi A4 1999

List of elements for Defoggers Wiring Diagram for Audi A4 1999:

• 226a
• Antenna amplifier
• Driver's side heated mirror
• Fuse 10a
• Fuse 30a
• Fuse relay panel (behind left side of dash)
• G202 (behind left dash)
• Hot w/ load reduction relay energized
• Passenger's side heated mirror
• Rear window defogger heat element
• Rear window defogger heat element/ antenna
• Rear window defogger switch
• W/ window antenna
• W/o window antenna

ENGINE PERFORMANCE

1.8L

1.8L, Engine Performance Wiring Diagram (1 of 2) for Audi A4 1999

List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 2) for Audi A4 1999:

• (left side of engine compt)
• (not used)
• (on air intake hose) mass air- flow sensor
• (on intake manifold, under throttle body) throttle valve control module
• Air conditioning system
• Bat(30)
• Camshaft position sensor (rear left side of eng)
• Central electric panel
• Data link connector (in rear of center console)
• Diagnosis pump (for fuel system)
• Engine coolant temperature sensor (right side of eng)
• Fuse 20a
• Fuse panel
• G104
• G104 (left side of engine compt)
• G132 (on engine block)
• G202 (left side of dash)
• Hot in on or start
• Ignition coils
• Instrument cluster
• Instrument cluster system
• Intake air temperature sensor
• Knock sensor 1 (right side of eng)
• Knock sensor 2 (left side of eng)
• Malfunction ind lamp (mil)
• Motronic engine control module (in left rear corner of eng compt)
• Nca
• Power output stage
• Red
• Spark plug
• T32
• T4f
• T5c
• Trans- missions system
• Transmissions system

1.8L, Engine Performance Wiring Diagram (2 of 2) for Audi A4 1999

List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 2) for Audi A4 1999:

• (left side of dash)
• 87f
• 87f/dti
• 87a
• Abs control module
• Barometric pressure sensor
• Bat(30)
• Central electric panel
• Data link connector (rear of center console)
• Engine speed sensor (rear left side of eng)
• Evaporative emission canister purge regulator valve (right side of eng compt)
• Fuel injectors
• Fuel pump (in fuel tank)
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse panel
• G104 (left side of engine compt)
• G202
• Heated oxygen sensor 1 (right side of engine)
• Heated oxygen sensor 2 (left side of engine)
• Ign(15)
• Motronic engine control module (in left rear corner of eng compt)
• Nca
• Red
• Trans- missions system
• Wastegate bypass regulator valve

2.8L

2.8L, Engine Performance Wiring Diagram (1 of 2) for Audi A4 1999

List of elements for 2.8L, Engine Performance Wiring Diagram (1 of 2) for Audi A4 1999:

• (not used)
• (on air intake hose) mass air- flow sensor
• (on throttle body) throttle valve control module
• 4wd only
• Air conditioning system
• Anti-lock brakes system
• Bat(30)
• Camshaft position sensor 1 (rear left side of eng)
• Camshaft position sensor 2 (rear left side of eng)
• Central electric panel
• Data link connector (in rear of center console)
• Diagnosis pump (for fuel system)
• Distributor ignition capacitor
• Engine coolant temperature sensor (right side of eng)
• Fuse 15a
• Fuse 20a
• Fuse panel
• G104 (left side of engine compt)
• G202 (left side of dash)
• Hot in on or acc
• Hot in on or start
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coils
• Instrument cluster
• Instrument cluster system
• Knock sensor 1 (right side of eng)
• Knock sensor 2 (left side of eng)
• Malfunction ind lamp
• Motronic engine control module (in left rear corner of eng compt)
• Nca
• Power output stage
• Red
• Solid state
• Spark plugs 1 & 6
• Spark plugs 2 & 4
• Spark plugs 3 & 5
• T32
• Temperature sensor ii

2.8L, Engine Performance Wiring Diagram (2 of 2) for Audi A4 1999

List of elements for 2.8L, Engine Performance Wiring Diagram (2 of 2) for Audi A4 1999:

• (left side of dash)
• (left side of engine compt)
• 13-way relay carrier
• 3-way relay carrier
• 87f
• 87f/dti
• 87a
• Abs control module
• Air conditioning system
• Bat(30)
• Camshaft adjusment valve 1
• Camshaft adjusment valve 2
• Central electric panel
• Data link connector (in rear of center console)
• Engine speed sensor (rear left side of eng)
• Evaporative emission canister purge regulator valve (right side of eng compt)
• Fuel injectors
• Fuel pump (in fuel tank)
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 50a
• Fuse panel
• G104
• G202
• Heated oxygen sensor 1 (right side of eng)
• Heated oxygen sensor 2 (left side of eng)
• Hot at all times
• Ign(15)
• Intake manifold changeover valve
• Motronic engine control module (in left rear corner of eng compt)
• Nca
• Oxygen sensor 1 (behind 3 way catalytic converter (twc))
• Oxygen sensor 2 (behind 3 way catalytic converter (twc))
• Red
• Secondary air injection (air) relay
• Secondary air injection pump motor
• Secondary air injection solenoid valve

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Audi A4 1999

List of elements for Back-up Lamps Wiring Diagram for Audi A4 1999:

• A/t
• Back- up light
• Back-up light switch
• Fuse 231 15a
• Fuse panel
• G202 (behind left dash)
• Hot in on or start
• Left taillight assembly
• M/t
• Multi- function transmission range switch
• Right taillight assembly

Exterior Lamps Wiring Diagram, with DRL for Audi A4 1999

List of elements for Exterior Lamps Wiring Diagram, with DRL for Audi A4 1999:

• 13a
• 223a
• 22a
• 239a
• Anti-theft system
• Brake light switch
• Cluster
• Combination processor
• Emergency flasher switch & relay
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse panel (left side of dash)
• G202 (behind left dash)
• G900 (lower left "a" pillar)
• G901 (lower right "a" pillar)
• Head
• High- mount brake light
• Hot at all times
• Hot w/ load reduction relay energized
• Instrument
• Instrument cluster
• Interior lights system
• Left front park/turn light
• Left side turn signal light
• Left taillamp assembly
• Left turn ind.
• License plate lights
• Light switch
• Off
• Park
• Red
• Right front park/turn light
• Right side turn signal light
• Right taillamp assembly
• Right turn ind.
• Signal switch
• Stop
• T32
• Tail
• Turn

Exterior Lamps Wiring Diagram, without DRL for Audi A4 1999

List of elements for Exterior Lamps Wiring Diagram, without DRL for Audi A4 1999:

• 13a
• 223a
• 22a
• 239a
• Anti-theft system
• Brake light switch
• Cluster
• Emergency flasher switch & relay
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse panel (left side of dash)
• G202 (behind left dash)
• G900 (lower left "a" pillar)
• G901 (lower right "a" pillar)
• Head
• High- mount brake light
• Hot at all times
• Hot w/ load reduction relay energized
• Instrument
• Instrument cluster
• Instrument cluster system
• Interior lights system
• Left front park/turn light
• Left side turn signal light
• Left taillamp assembly
• Left turn ind.
• License plate lights
• Light switch
• Off
• Park
• Park lamp ind
• Right front park/turn light
• Right side turn signal light
• Right taillamp assembly
• Right turn ind.
• Signal switch
• Stop
• T32
• T32a
• Tail
• Turn

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 2) for Audi A4 1999

List of elements for Ground Distribution Wiring Diagram (1 of 2) for Audi A4 1999:

• (1.8l)
• Alarm hood switch
• Battery
• Coolant fan control switch, coolant fan, a/c high pressure switch
• Door lock switch, driver's door contact switch, driver's door handle alarm switch
• Door warning lights control module, central locking/ alarm system/ interior light delay control module, alarm horn, ultra-sound control module,
• G104 (left side of engine compt)
• G111 (in battery box)
• G132 (on engine block)
• G900 (lower left "a" pillar)
• G901 (lower right "a" pillar)
• Ignition coils
• Kick down switch, mass air flow sensor shield, engine speed sensor shields, heated oxygen sensor shields, vehicle speed sensor, engine coolant level switch, mass air flow sensor, power output stage, secondary air injection pump motor, secondary air injection system, motronic engine control module
• Kick down switch, vehicle speed sensor, engine coolant level warning switch, knock sensor 1 & 2 shield, engine speed sensor shield
• Left headlight, left fog light, left front park/ turn light, left front side turn light, washer fluid level switch
• Passenger's door contact switch, passenger's door handle alarm switch
• Power window/ sunroof control module, right front window motor left rear window motor, right rear window motor
• Radio, amplifier shield
• Right front window switch, left front window switch, left front window motor, left rear window switch (console), right rear window switch (console), window lockout switch
• Right headlight, low tone horn, high tone horn, right front foglight, right front park/ turn light, right front side turn light
• S106
• S127
• S133
• S176
• S179
• S205
• S267
• S268
• S83
• S89
• Telephone transceiver, abs hydraulic unit, radio, amplifier, abs control module, left rear woofer, left rear midrange, power sunroof control module

Ground Distribution Wiring Diagram (2 of 2) for Audi A4 1999

List of elements for Ground Distribution Wiring Diagram (2 of 2) for Audi A4 1999:

• (audi avant)
• Driver's side airbag crash sensor, passenger's side airbag crash sensor, airbag control module
• G202 (behind left dash)
• Headlight washer pump, left seat belt switch, driver's seat switch, fuel level sensor
• Left back-up light, left rear turn signal, left taillight, left brakelight
• Left front seat temp. sensor, left front seat backrest heater, right front seat temp. sensor, right front seat backrest heater
• Right turn signal light, right back-up light, high mount brake light, right taillight, right brakelight, fuel pump, luggage compartment lights
• S109
• S114
• S135
• S196
• S218
• S81
• S86
• S87
• S96
• Transmission control module, automatic trans. console lights, multi-function trans. range switch, left seatbelt switch
• Trunk alarm switch, trunk light switch, license plate lights
• Unlock rear lid motor, rear window wiper motor, trunk lock alarm switch, driver's door handle alarm switch, trunk light switch, rear defogger, high-mounted brake light, front interior light, license plate light
• Windshield washer fluid level warning solenoid, instrument cluster, engine coolant temperature sensor
• Windshield wiper motor, rear window defogger switch, front fog light switch, rear fog light switch, cigarette lighter, parking brake switch, data link connector, glove compartment light switch, emergency flasher switch, windshield wiper motor, brake fluid level warning switch, left washer nozzle heater, right washer nozzle heater, daytime running lights switch-on relay, driving light relay, load reduction relay
• Wiper/washer intermittent relay, right front seat adjuster, left front seat adjuster, transmission range display, fresh air blower control module, a/c control head, anti-slip control switch (w/ asc), left heated door lock control module, cruise control module, cruise connector, left heated mirror, right heated mirror, rear lamp control module, trip computer function select switch, left rear reading light, right rear reading light, left front vanity mirror light, right front vanity mirror light, front map lights, washer/wiper relay, headlight washer relay, instrument cluster, windshield wiper intermittent regulator, horn switch, windshield washer pump, mirror adjustment switch, automatic day/night mirror, clutch pedal position switch

HEADLIGHTS

Headlamps & Fog Lamps Wiring Diagram, with DRL for Audi A4 1999

List of elements for Headlamps & Fog Lamps Wiring Diagram, with DRL for Audi A4 1999:

• (behind left side of dash)
• (behind left side of dash) g202
• (lower left "a" pillar)
• (lower right "a" pillar)
• 10a
• 13-way relay carrier
• 75x
• Acc
• Driving light relay
• Exterior lights
• Fog light
• Fog light relay
• Fog light switch
• Ftp
• Fuse
• Fuse 10a
• Fuse 15a
• Fuse panel
• G202
• G202 (behind left side of dash)
• G900
• G901
• Head
• Head- light
• Hi beam ind.
• Hot at all times
• Ignition switch
• Instrument cluster
• Interior lights system
• Left head/ foglight assembly
• Left rear fog light
• Left taillight assembly
• Light switch
• Load reduction relay
• Micro central electric panel
• Off
• Park
• Rear fog light switch
• Right head/ foglight assembly
• Right taillight assembly (not used)
• Run
• Start
• T32

Headlamps & Fog Lamps Wiring Diagram, without DRL for Audi A4 1999

List of elements for Headlamps & Fog Lamps Wiring Diagram, without DRL for Audi A4 1999:

• (behind left side of dash)
• (lower left a pillar)
• (lower right a pillar)
• 10a
• 13-way relay center
• 18a
• 19a
• 20a
• 21a
• 36a
• Acc
• All times
• Fog light
• Fog light relay
• Fog light switch
• Ftp
• Fuse
• Fuse 10a
• Fuse 15a
• Fuse panel
• G202
• G900
• G901
• Head
• Head- light
• Hi beam ind.
• Hot at
• Hot at all times
• Ignition switch
• Instrument cluster
• Interior lights system
• Left head/ foglight assembly
• Left rear fog light
• Left taillight assembly
• Light switch
• Load reduction relay
• Off
• Park
• Rear fog light switch
• Rear lamp control module
• Right head/ foglight assembly
• Right taillight assembly (not used)
• Run
• Start
• T32
• W/ auto check system
• W/o auto check system

HORN

Horn Wiring Diagram for Audi A4 1999

List of elements for Horn Wiring Diagram for Audi A4 1999:

• (lower right "a" pillar)
• 240a
• 30ah
• 87h
• Acc
• Dual horn relay
• Fuse 40 25a
• Fuse panel
• G202 (behind left dash)
• G901
• High tone horn
• Horn button
• Hot at all times
• Ignition switch
• Low tone horn
• Micro central electric panel
• Off
• Start

INSTRUMENT CLUSTER

Auto Check System Wiring Diagram for Audi A4 1999

List of elements for Auto Check System Wiring Diagram for Audi A4 1999:

• (auto trans only)
• (behind left side of dash)
• 13a
• A/c control head
• Auto check system
• Brake- light switch
• Engine control module (left rear corner of engine compt)
• Fuse 13 10a
• Fuse 5 5a
• Fuse panel
• G202 (behind left side of dash)
• G900 (lower left "a" pillar)
• Hot at all times
• Hot in start or run
• Radio
• Rear light control module (on 13-fold relay carrier, positions 4 and 5)
• Red
• Transmission control module (under right front seat and carpet)
• Trip computer function select switch
• Trip computer reset button
• Washer fluid level warning switch

Instrument Cluster Wiring Diagram for Audi A4 1999

List of elements for Instrument Cluster Wiring Diagram for Audi A4 1999:

• (behind left side of dash)
• 15a
• 18a
• 86s
• A/c control head
• A11
• Abs module (below left side of rear seat)
• Abs warning
• Air bag mil
• Airbag ctrl module (in center console)
• Analog clock
• Anti- theft warn
• B13
• Brake fluid level warning switch
• Brake pad wear ind
• Brake system warn
• C10
• C13
• Central locking/ alarm/ light delay module (bottom right of luggage compartment)
• Computer data lines
• Coolant level warning switch (bottom of reservoir)
• Coolant level/ temp warn
• Cruise control module (behind right side of dash)
• Driver's seat belt switch
• Ect gauge
• Ect sensor
• Engine control module (left rear corner of engine compt)
• Fuel gauge
• Fuel level sensor
• Fuel reserve warn
• Fuse 15 10a
• Fuse 18 10a
• Fuse relay panel
• G104 (left side of engine compt)
• G202 (behind left side of dash)
• G900 (lower left "a" pillar)
• Gen warn
• Generator
• Glow plug ind
• Headlights system
• High beam
• Hot at all times
• Hot with high beams on
• Ignition switch
• Ignition switch acc
• Instrument cluster
• Interior lights system
• Key switch
• Left front brake pad wear sensor
• Left turn
• Lock
• Mil indicator
• Off
• Oil press warn
• Oil pressure switch
• Oil temp gauge
• Oil temp sensor
• Panel dimmer
• Park brake ind
• Park brake switch
• Park light
• Pwr accel warn
• Radio
• Rear fog
• Red
• Right front brake pad wear sensor
• Right high beam headlight
• Right turn
• Run
• Seat belt ind
• Speedometer
• Start
• T32
• T32/
• T32/10
• T32/11
• T32/15
• T32/19
• T32/20
• T32/21
• T32/22
• T32/23
• T32/25
• T32/26
• T32/27
• T32/28
• T32/3
• T32/30
• T32/31
• T32/5
• T32/6
• T32/7
• T32/8
• T32/9
• T32a
• T32a/
• T32a/10
• T32a/11
• T32a/12
• T32a/21
• T32a/30
• T32a/6
• T32a/7
• Tachometer
• Traction cont
• Trunk light switch
• Turn signal switch
• Vehicle speed sensor
• Volts gauge
• Warning buzzer
• Washer fluid level
• Wiper/washer intermittent relay (central electric panel, position 5)

INTERIOR LIGHTS

Courtesy Lamp Wiring Diagram for Audi A4 1999

List of elements for Courtesy Lamp Wiring Diagram for Audi A4 1999:

• 14a
• 223a
• A12
• Central locking/ alarm system/ interior light delay control module (bottom right of luggage compartment)
• Door warning lights control module
• Driver side heated mirror
• Driver's side door contact switch
• Driver's side door warning light
• Front interior light assembly
• Fuse 14 10a
• Fuse 3 5a
• Fuse 38 15a
• Fuse 5 5a
• Fuse panel
• Fuse panel (behind left side of dash)
• G202 (behind left dash)
• G900 (lower left "a" pillar)
• Glove compt light
• Glove compt light switch
• Head
• Hot at all times
• Hot in run or start
• Instrument cluster system
• Left foot- well light
• Left luggage compartment light
• Left make-up mirror light
• Left make-up mirror switch
• Left rear door contact switch
• Left rear door warning light
• Light switch
• Mirror adjustment switch
• Nca
• Off
• Park
• Passenger's front door contact switch
• Passenger's side door warning light
• Rear reading/ courtesy light
• Right foot- well light
• Right luggage compartment light
• Right make-up mirror light
• Right make-up mirror switch
• Right rear door contact switch
• Right rear door warning light

Instrument Illumination Wiring Diagram for Audi A4 1999

List of elements for Instrument Illumination Wiring Diagram for Audi A4 1999:

• A/c control head
• Anti- slip control switch
• Cigarette lighter light
• Combination processor
• Dim input
• Driver heated seat adjuster
• Foglight control module
• Front fog- light switch
• G202 (behind left dash)
• Head
• Hot at all times
• Instrument cluster
• Instrument panel light dimmer switch
• Light switch
• Off
• Park
• Passenger heated seat adjuster
• Radio
• Rear fog- light switch
• T32
• W/ asc

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 2) for Audi A4 1999

List of elements for Power Distribution Wiring Diagram (1 of 2) for Audi A4 1999:

• (not used)
• 1.8l
• 13-way relay carrier
• 15/30a
• 17a
• 2.8l
• 28a
• 29a
• 30a
• 31a
• 32a
• 33a
• 34a
• 37a
• 44a
• 50b
• 86s
• 87f
• Abs hydraulic unit
• Acc
• Air bag control module, transmission control module, power window/ sunroof control module, window motors, instrument cluster
• Anti-slip control switch
• Back-up light swirch, mass air flow sensor, automatic day/night interior light
• Battery
• Central locking/ alarm system/ interior light delay control module, door lock switch
• Cigarette lighter
• Daytime running lights switch-on relay
• Engine control module
• Evap canister purge regulator valve, camshaft adjustment valves, secondary air injection solenoid valve, oxygen sensors secondary air injection relay, fuel system diagnostic pump, wastegate bypass regulator valve, intake manifold change-over valve
• Fuel injectors
• Fuel pump
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 50a
• Fuse 5a
• Fuse panel
• G202 (behind left side of dash)
• Generator
• Generator, instrument cluster
• Headlight dimmer/ flasher switch
• Ignition coils, engine control module, distributor ignition capacitor
• Ignition switch
• Instrument cluster, radio, central locking/alarm system/interior light delay control module
• Instrument cluster, radio, rear lamp control module, a/c control head, interior temp sensor fan
• Interior lights system
• Key-in ignition switch
• Left heated door lock control module
• Light switch
• Micro central electric
• Mirror adjustment switch, seat heat regulating switches
• Off
• Park/neutral position relay
• Power sunroof control module
• Radio, amplifier, telephone transceiver
• Red
• Run
• S2/87f
• S3/15
• S3/s
• Seat heater regulating switches
• Secondary injection relay
• Shift lock solenoid, ecm, multi- function transmission range switch, transmission range selector level display
• Start
• Starter
• Telephone transceiver
• To fuse (diagram 2 of 2)
• To load reduction relay (diagram 2 of 2)
• Transmission control module
• Washer/wiper intermittent relay

Power Distribution Wiring Diagram (2 of 2) for Audi A4 1999

List of elements for Power Distribution Wiring Diagram (2 of 2) for Audi A4 1999:

• (except 4x4) (4x4)
• 12a
• 13/15
• 13a
• 14a
• 15a
• 24a
• 25a
• 26a
• 38a
• 39a
• 40a
• 75x
• 8-way relay carrier
• A/c control head
• Abs hydraulic unit
• Brake light switch
• Central locking/ alarm system/ interior lights delay control module, door lock switch, ultra sound sensor control module door warning lamps
• Circuit breaker 37 30a
• Circuit breaker 43 30a
• Data link connector
• Dual horn relay
• Emergency flasher switch
• Fresh air blower, a/c clutch relay, a/c refrigerant switch
• From fuel pump relay (diagram 1 of 2)
• From ignition switch (diagram 1 of 2)
• Front interior light, trunk lid alarm switch
• Fuse 10a
• Fuse 15a
• Fuse 25a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 60a 50a
• Fuse panel
• G202 (behind left side of dash)
• Instrument cluster, selector lever light relay
• Load reduction relay
• Micro central electric
• Power seat switch
• Rear fog light switch, front interior light, central locking/alarm system/interior light delay control module, reading lights make-up mirror lights
• Rear window defogger switch
• Red
• S1/30ah
• S1/31
• S1/75
• Second speed coolant fan control relay, coolant fan control relay
• Temperature/ transmission range switch, heated mirror
• Washer nozzle heaters
• Washer/ wiper intermittent relay
• Window motors
• Windshield wiper intermittent switch

POWER DOOR LOCKS

Heated Door Locks Wiring Diagram for Audi A4 1999

List of elements for Heated Door Locks Wiring Diagram for Audi A4 1999:

• 17a
• All times
• Fuse 17 10a
• Fuse panel (left side of dash)
• G202 (behind left side of dash)
• Hot at
• Left door lock heater
• Left heated door lock control module
• Left heated door lock switch

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Audi A4 1999

List of elements for Electrochromic Mirror Wiring Diagram for Audi A4 1999:

• 231a
• A/t
• Automatic day/night mirror
• Brake switch
• Driver's side mirror
• Exterior lights system
• Fuse 31 15a
• Fuse relay panel
• G202 (behind left side of dash)
• Hot in run or start
• Interior lights system
• M/t
• Multifunction transmission range switch
• Passenger's side mirror

Power Mirror Wiring Diagram for Audi A4 1999

List of elements for Power Mirror Wiring Diagram for Audi A4 1999:

• Automatic day/night mirrors
• Defogger system
• Driver's side mirror
• Fuse 5 10a
• Fuse relay panel
• G202 (behind left side of dash)
• Hot in run or start
• Mirror adjustment switch
• Mirror position
• Mirror select
• Passenger's side mirror

POWER SEATS

Heated Seats Wiring Diagram for Audi A4 1999

List of elements for Heated Seats Wiring Diagram for Audi A4 1999:

• 244a
• All times
• Driver backrest heat element
• Driver seat heat element
• Driver seat heat regulating switch
• Driver seat temper- ature sensor
• Fuse 244 30a
• Fuse 5 5a
• Fuse panel
• G202 (behind left side of dash)
• Hot at
• Hot in run or start
• Interior lights system
• Nca
• Passenger backrest heat element
• Passenger seat heat element
• Passenger seat heat regulating switch
• Passenger seat temper- ature sensor
• Solid state

Left Power Seat Wiring Diagram for Audi A4 1999

List of elements for Left Power Seat Wiring Diagram for Audi A4 1999:

• 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 panel
• G202 (behind left side of dash)
• Hot at all times
• Rear height

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Audi A4 1999

List of elements for Power Top/Sunroof Wiring Diagram for Audi A4 1999:

• C15
• Central locking/ alarm system/ interior light delay module (on bottom right of luggage compartment)
• Fuse 20a
• Fuse relay panel (behind left side of dash)
• G900 (lower left "a" pillar)
• Hot at all times
• Nca
• Power sunroof control module
• Solid state
• Sunroof motor
• Sunroof raise/ lower switch
• Sunroof regulator
• T6an
• T6i

POWER WINDOWS

Power Window System Wiring Diagram (A4 Wiring Diagram 1 Of 2) for Audi A4 1999

List of elements for Power Window System Wiring Diagram (A4 Wiring Diagram 1 Of 2) for Audi A4 1999:

• A11
• All times
• C15
• Central locking/ alarm system/ interior light delay control module (bottom right of luggage compt)
• Fuse assembly (behind left side of dash)
• Fuse/ relay panel (behind left side of dash)
• G900 (lower left a-pillar)
• Hot at
• Hot in on or acc
• Left front window switch
• Left window motor
• Power sunroof control module
• Power window fuse 37 30a
• Window motor

Power Window System Wiring Diagram (A4 Wiring Diagram 2 Of 2) for Audi A4 1999

List of elements for Power Window System Wiring Diagram (A4 Wiring Diagram 2 Of 2) for Audi A4 1999:

• All times
• Fuse/ relay panel (behind left side of dash)
• G900 (lower left a-pillar)
• Hot at
• Left rear door window motor
• Left rear door window switch (center console)
• Left rear door window switch (door)
• Power window circuit breaker 43 30a
• Right front door window switch (left door)
• Right front door window switch (right door)
• Right rear door window motor
• Right rear door window switch (center console)
• Right rear door window switch (door)
• Right window motor
• Window lockout switch
• Window m motor
• Window motor

RADIO

AM/FM Stereo Wiring Diagram, Bose for Audi A4 1999

List of elements for AM/FM Stereo Wiring Diagram, Bose for Audi A4 1999:

• (not used) t10i
• 1995 vftc c
• Antenna
• Antenna amplifier
• Anti-theft system
• Auto check system (w/ auto check system)
• Combination processor
• Defogger system
• Fuse relay panel (behind left side of dash)
• G202 (behind left dash)
• G900 (lower left "a" pillar)
• Hot at all times
• Hot in run or accy
• Instrument cluster
• Left front woofer & midrange speaker
• Left rear midrange speaker
• Left rear speaker
• Left rear woofer
• Nca
• Radio
• Right front speaker
• Right front woofer & midrange speaker
• Right rear midrange speaker
• Right rear woofer
• Right rear woofer/ amplifier
• T10af
• T1l
• T20b
• T8a
• T8b
• Telephone transceiver

with CD Changer Wiring Diagram for Audi A4 1999

List of elements for with CD Changer Wiring Diagram for Audi A4 1999:

• (not used) t10i
• 1995 vftc c
• Antenna
• Antenna amplifier
• Anti-theft system
• Auto check system (w/ auto check system)
• Cd changer unit
• Combination processor
• Defogger system
• Fuse relay panel (behind left side of dash)
• G202 (behind left dash)
• G900 (lower left "a" pillar)
• Hot at all times
• Hot in run or accy
• Instrument cluster
• Left front midrange speaker
• Left front woofer
• Left rear midrange & woofer speakers
• Nca
• Radio
• Red
• Right front midrange speaker
• Right front woofer
• Right rear woofer & midrange speakers
• T10af
• T1l
• T20b
• T8a
• T8b
• Telephone transceiver

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Audi A4 1999

List of elements for Shift Interlock Wiring Diagram for Audi A4 1999:

• 13a
• 231a
• Anti-theft system
• Brake- light switch
• Cruise control system
• Engine control module (in left rear corner of engine compartment)
• Fuse 13 10a
• Fuse 31 15a
• Fuse relay panel (behind left side of dash)
• G202 (behind left side of dash)
• Hot at all times
• Hot in start and run
• Multi-function transmission range switch
• Shift lock solenoid
• Transmission control module (under carpet, forward of passenger's seat)

STARTING/CHARGING

Charging Wiring Diagram for Audi A4 1999

List of elements for Charging Wiring Diagram for Audi A4 1999:

• 1.8l
• 2.8l
• Acc
• Battery
• G111 (in battery box)
• Gen ind.
• Generator
• Hot at all times
• Ignition switch
• Instrument cluster
• Off
• Red
• Start
• Starter
• T32

Starting Wiring Diagram for Audi A4 1999

List of elements for Starting Wiring Diagram for Audi A4 1999:

• 13-way relay carrier
• 15a
• A/t
• Acc
• Battery
• Central locking/ alarm system/ interior light delay control module
• Clutch pedal position switch
• G111 (in battery box)
• G202 (behind left dash)
• Ignition switch
• Key-in ign
• M/t
• Motronic engine control module
• Multi- function trans- mission range switch
• Off
• P/n
• Park/ neutral position relay
• Red
• Start
• Starter

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for Audi A4 1999

List of elements for Supplemental Restraints Wiring Diagram for Audi A4 1999:

• (in rear of center console) data link connector
• (w/ head airbag) driver's head airbag igniter
• Acc
• Airbag control module (in center console)
• Airbag malfunction indicator lamp
• Airbag spiral spring
• Center rear seat belt tensioner igniter (avant only)
• Combination processor
• Driver's (side) airbag crash sensor
• Driver's (side) airbag igniter
• Driver's airbag igniter
• Driver's seat belt tensioner igniter
• Emergency flasher switch
• G202 (behind left side of dash)
• Hot at all times
• Ignition switch
• Instrument cluster
• Left rear seat belt tensioner igniter
• Lock
• Nca
• Nca nca
• Passenger's (side) airbag crash sensor
• Passenger's (side) airbag igniter
• Passenger's airbag igniter 1
• Passenger's head airbag igniter (w/ head airbag)
• Passenger's seat belt tensioner igniter
• Red
• Right rear seat belt tensioner igniter
• Run
• Start
• T10an
• T16
• T32

TRANSMISSION

A/T Wiring Diagram for Audi A4 1999

List of elements for A/T Wiring Diagram for Audi A4 1999:

• (left side of dash)
• 11-12
• 231a
• 38-39
• 49-50
• 50a
• 50z
• 56-84
• Anti-lock brake system
• Anti-lock brakes system (w/ asc)
• Brakelight switch (on brake pedal support bracket)
• Central electric panel (left side of dash)
• Central locking/ alarm system/ interior light delay control module (bottom right of luggage compt)
• Cruise control system
• Data link connector (dlc) (rear of center console)
• Engine control module (ecm) (left rear corner of eng compt)
• Exterior lights system
• Fuse 10a
• Fuse 15a
• Fuse panel (left side of dash)
• G102 (left side of eng compt)
• G202
• G202 (left side of dash)
• Hot at all times
• Hot in on or start
• Ignition switch terminal 50 (hot in start)
• Instrument cluster system
• Interior lights system
• Kickdown switch (on throttle housing)
• Multifunction transmission range (tr) switch
• Nca
• Red
• Shift lock solenoid
• Solenoid valves
• Starter interlock alarm system relay
• Starter terminal 50
• Steering wheel
• Transmission control module (tcm) (fwd of pass seat)
• Transmission fluid temperature sensor
• Transmission input speed sensor
• Transmission range (tr) selector lever display
• Transmission vehicle speed sensor
• Valve body

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Audi A4 1999

List of elements for Trunk Release Wiring Diagram for Audi A4 1999:

• Central locking control module (bottom right of luggage compt)
• Fuse 15a
• Fuse panel (behind left side of dash)
• G202 (behind left side of dash)
• Hot at all times
• Interior light system
• Trunk lid alarm switch
• Trunk lid release switch
• Trunk lid unlocking motor
• Ultra-sound sensor control module (below center of rear seat)

WARNING SYSTEMS

Warning Systems Wiring Diagram for Audi A4 1999

List of elements for Warning Systems Wiring Diagram for Audi A4 1999:

• (left side of dash)
• 15a
• 18a
• 86s
• Abs warning
• Air bag mil
• Airbag ctrl module (in center console)
• Analog clock
• Anti- theft warn
• Brake pad wear ind
• Brake system warn
• Central locking module (bottom right of luggage compartment)
• Coolant level warning switch (bottom
• Coolant level/ temp warn
• Driver's seat belt switch
• Ect gauge
• Ect sensor
• Fuel gauge
• Fuel level sensor
• Fuel reserve warn
• Fuse 15 10a
• Fuse 18 10a
• Fuse panel
• G104 (left side of engine compt)
• G202 (behind left side of dash)
• Gen warn
• Generator
• Glow plug ind
• Headlight switch
• High beam
• Hot at all times
• Hot with high beams on
• Ignition switch
• Ignition switch acc
• Instrument cluster
• Interior and exterior lights system
• Interior lights system
• Key switch
• Left door switch
• Left turn
• Lock
• Mil indicator
• Off
• Oil press warn
• Oil pressure switch
• Oil temp gauge
• Oil temp sensor
• Panel dimmer
• Park brake ind
• Park light
• Pwr accel warn
• Rear fog
• Red
• Refer to instrument cluster for complete wiring
• Reservoir)
• Right high beam headlight
• Right turn
• Run
• Seat belt ind
• Speedometer
• Start
• T32
• T32/
• T32/10
• T32/11
• T32/15
• T32/19
• T32/20
• T32/21
• T32/22
• T32/23
• T32/25
• T32/26
• T32/27
• T32/28
• T32/3
• T32/30
• T32/31
• T32/5
• T32/6
• T32/7
• T32/8
• T32/9
• T32a
• T32a/
• T32a/10
• T32a/11
• T32a/12
• T32a/21
• T32a/30
• T32a/6
• Tachometer
• Traction cont
• Trunk light switch
• Volts gauge
• Warning buzzer
• Washer fluid level

WIPER/WASHER

Wiper/Washer Wiring Diagram for Audi A4 1999

List of elements for Wiper/Washer Wiring Diagram for Audi A4 1999:

• (not used)
• 24a
• 27a
• 75x
• Avant
• Except avant
• Fuse 15a
• Fuse 25a
• Fuse 5a
• Fuse relay panel
• G202 (behind left dash)
• Head
• Headlight dimmer/ flasher switch
• Headlight washer pump
• Hot at all times
• Hot in run
• Instrument cluster
• Left washer nozzle heater (optional)
• Load reduction relay
• Micro central electric panel
• Nca
• Off
• Park
• Rear window wiper motor (avant)
• Red
• Right washer nozzle heater (optional)
• T o
• T10c
• T32a
• Washer switch
• Windshield washer pump
• Windshield wiper intermittent regulator
• Windshield wiper intermittent switch
• Windshield wiper motor
• Wiper/washer intermittent relay