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AUDI A4 2001 – Body electrical . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2001 - Earth connections



Wiring Diagram  AUDI A4 2001 - Earth connections https://portal-diagnostov.com/license.html
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   3 Earth strap, engine support right, to longitudinal member right, front
   12 Earth point, in engine compartment, left
   32 Earth point, behind dash panel, left
   43 Earth point, lower part of right A-pillar
   81 Earth connection -1-, in dash panel wiring harness
   83 Earth connection -1-, in front right wiring harness
   86 Earth connection -1-, in rear wiring harness
   87 Earth connection -2-, in rear wiring harness
   135 Earth connection -2-, in dash panel wiring harness
   176 Earth connection, in right headlight wiring harness
   196 Earth connection -3-, in rear wiring harness

Wiring Diagram AUDI A4 2001 - Ignition/starter switch - X contact relief relay



Wiring Diagram  AUDI A4 2001 - Ignition/starter switch - X contact relief relay https://portal-diagnostov.com/license.html
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BStarter
DIgnition/starter switch
J17Fuel pump relay
J59X contact relief relay
J226Starter inhibitor and reversing light relay
J234Airbag control unit
T10an10-pin connector, yellow, right connector point, A pillar
T15a15-pin connector, black, right connector point, A pillar
   44 Earth point, lower part of left A-pillar
   81 Earth connection -1-, in dash panel wiring harness
   109 Earth connection, in airbag wiring harness
   179 Earth connection, in left headlight wiring harness
   A2 Positive (+) connection (15), in dash panel wiring harness
   A21 Positive (+) connection (86s), in dash panel wiring harness
   A86 Connection (50a), in dash panel wiring harness
*Only models with manual gearbox
**Only models with automatic gearbox

Wiring Diagram AUDI A4 2001 - Tail light - brake light - reversing light



Wiring Diagram  AUDI A4 2001 - Tail light - brake light - reversing light https://portal-diagnostov.com/license.html
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FBrake light switch
F4Reversing light switch
L46Rear fog light bulb, left
L47Rear fog light bulb, right
M2Tail light bulb, right
M4Tail light bulb, left
M6Turn signal bulb, rear left
M8Turn signal bulb, rear right
M9Brake light bulb, left
M10Brake light bulb, right
M16Reversing light bulb, left
M17Reversing light bulb, right
M25High level brake light bulb
T3au3-pin connector, red, connector point, electronics box, plenum chamber
T6e6-pin connector, blue, left connector point, A pillar
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10a10-pin connector, brown, left connector point, A pillar
   86 Earth connection -1-, in rear wiring harness
   196 Earth connection -3-, in rear wiring harness
   A18 Connection (54), in dash panel wiring harness
   A70 Connection (15a, fuse 231), in dash panel wiring harness
   A87 Connection (RL), in dash panel wiring harness
*Only models with manual gearbox

Wiring Diagram AUDI A4 2001 - Lighting switch



Wiring Diagram  AUDI A4 2001 - Lighting switch https://portal-diagnostov.com/license.html
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E1Lighting switch
E4Headlight dipper/flasher switch
E19Parking light switch
   A9 Positive (+) connection (56b), in dash panel wiring harness
   A32 Positive (+) connection (30), in dash panel wiring harness
   A43 Connection (57L), in dash panel wiring harness
   A44 Connection (57R), in dash panel wiring harness
   A51 Connection (56), in dash panel wiring harness

Wiring Diagram AUDI A4 2001 - Fuse box - number plate light - glove box light - heated washer jets



Wiring Diagram  AUDI A4 2001 - Fuse box - number plate light - glove box light - heated washer jets https://portal-diagnostov.com/license.html
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F34Brake fluid level warning contact
S1Fuse in fuse box
S2Fuse in fuse box
S3Fuse in fuse box
S4Fuse in fuse box
S224Fuse in fuse box
S225Fuse in fuse box
S226Fuse in fuse box
T2f2-pin connector, on bonnet
T2g2-pin connector, on bonnet
T10a10-pin connector, brown, left connector point, A pillar
T10c10-pin connector, violet, left connector point, A pillar
W6Glove box light
XNumber plate light
Z20Heater element, left washer jet
Z21Heater element, right washer jet
   81 Earth connection -1-, in dash panel wiring harness
   87 Earth connection -2-, in rear wiring harness
   261 Earth connection, in heated washer jet wiring harness
   A3 Positive (+) connection (58), in dash panel wiring harness
   A34 Connection (75x), in dash panel wiring harness
   A37 Connection (58a), in dash panel wiring harness
   W2 Positive (+) connection (58), in rear wiring harness
   W13 Connection (58L), in rear wiring harness
*Only models with heated washer jets

Wiring Diagram AUDI A4 2001 - Fuse box - horn - diagnostic connector



Wiring Diagram  AUDI A4 2001 - Fuse box - horn - diagnostic connector https://portal-diagnostov.com/license.html
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HHorn plate
H2High tone horn
H7Low tone horn
J4Dual tone horn relay
S12Fuse in fuse box
S14Fuse in fuse box
S15Fuse in fuse box
S238Fuse in fuse box
S239Fuse in fuse box
S240Fuse in fuse box
T3ag3-pin connector, black, right connector point, A pillar
T5g5-pin connector, behind steering column switch trim
T6a6-pin connector, red, right connector point, A pillar
T10ad10-pin connector, red, left connector point, A pillar
T1616-pin connector, (diagnosis connection) in centre console rear
WInterior light, front
   81 Earth connection -1-, in dash panel wiring harness
   176 Earth connection, in right headlight wiring harness
   179 Earth connection, in left headlight wiring harness
   A50 Positive (+) connection (30as), in dash panel wiring harness
   A72 Connection (71), in dash panel wiring harness
   A90 Connection (dual tone horn), in dash panel wiring harness
   S1 Positive (+) connection (30), in central locking wiring harness
*See current flow diagram for central locking

Wiring Diagram AUDI A4 2001 - Fuse box - headlights - headlight range control



Wiring Diagram  AUDI A4 2001 - Fuse box - headlights - headlight range control https://portal-diagnostov.com/license.html
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E102Headlight range control adjuster
L1Twin filament bulb for headlight, left
L2Twin filament bulb for headlight, right
M1Side light bulb, left
M3Side light bulb, right
S18Fuse in fuse box
S19Fuse in fuse box
S20Fuse in fuse box
S21Fuse in fuse box
S22Fuse in fuse box
S223Fuse in fuse box
T66-pin connector, yellow, right connector point, A pillar
T6a6-pin connector, red, right connector point, A pillar
T8g8-pin connector, headlight right
T8h8-pin connector, headlight left
T10ad10-pin connector, red, left connector point, A pillar
T10ae10-pin connector, light pink, left connector point, A pillar
V48Headlight range control motor, left
V49Headlight range control motor, right
   135 Earth connection -2-, in dash panel wiring harness
   176 Earth connection, in right headlight wiring harness
   179 Earth connection, in left headlight wiring harness

Wiring Diagram AUDI A4 2001 - Fuse box - cigarette lighter - illumination for dash panel vents - illuminated ashtray



Wiring Diagram  AUDI A4 2001 - Fuse box - cigarette lighter - illumination for dash panel vents - illuminated ashtray https://portal-diagnostov.com/license.html
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J104ABS with EDL control unit
L15Ashtray light bulb
L28Cigarette lighter light bulb
L67Dash panel left vent illumination
L68Dash panel central vent illumination
L69Dash panel right vent illumination
L121Cup holder illumination
S5Fuse in fuse box
S6Fuse in fuse box
S7Fuse in fuse box
S231Fuse in fuse box
S233Fuse in fuse box
T15a15-pin connector, black, right connector point, A pillar
U1Cigarette lighter
   81 Earth connection -1-, in dash panel wiring harness
   A19 Connection (58d), in dash panel wiring harness
   A104 Positive (+) connection -2- (15), in dash panel wiring harness
   Q53 Positive (+) connection (15), in anti-theft alarm system wiring harness

Wiring Diagram AUDI A4 2001 - Fuse box - rear fog light switch - belt switch on driver's side



Wiring Diagram  AUDI A4 2001 - Fuse box - rear fog light switch - belt switch on driver https://portal-diagnostov.com/license.html
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E18Rear fog light switch
E24Belt switch, driver's side
J512Fog lights/rear fog light control unit
S236Fuse in fuse box
S237Fuse in fuse box
T6r6-pin connector, white, left connector point, A pillar
T6af6-pin connector, red, under driver's seat
T10i10-pin connector, black, in centre console
   32 Earth point, behind dash panel, left
   81 Earth connection -1-, in dash panel wiring harness
   A19 Connection (58d), in dash panel wiring harness
   A47 Connection (55), in dash panel wiring harness
   A57 Connection (30a), in dash panel wiring harness
   A88 Connection (NSL (rear fog light)), in dash panel wiring harness
*Behind glove box
**Only models with belt warning
***Without radio, terminal 30a

Wiring Diagram AUDI A4 2001 - Dash panel insert - combi-processor in dash panel insert - handbrake warning switch - warning lamps



Wiring Diagram  AUDI A4 2001 - Dash panel insert - combi-processor in dash panel insert - handbrake warning switch - warning lamps https://portal-diagnostov.com/license.html
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CAlternator
F9Handbrake warning switch
J218Combi-processor in dash panel insert
K1Main beam warning lamp
K2Alternator warning lamp
K14Handbrake warning lamp
K18Trailer operation warning lamp
K65Left turn signal warning lamp
K86Traction control system warning lamp
K94Right turn signal warning lamp
K98Convertible top latched warning lamp
K132Electronic power control fault lamp
K149Engine electronics warning lamp
K163Belt switch warning lamp
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   81 Earth connection -1-, in dash panel wiring harness
   A4 Positive (+) connection (58b), in dash panel wiring harness
   A24 Connection (brake system monitoring), in dash panel wiring harness
*Only models with trailer coupling
**Only models with belt warning

Wiring Diagram AUDI A4 2001 - Dash panel insert - combi-processor in dash panel insert - diagnosis wire K - rev. counter - coolant monitoring - analogue clock - fuel gauge - speedometer



Wiring Diagram  AUDI A4 2001 - Dash panel insert - combi-processor in dash panel insert - diagnosis wire K - rev. counter - coolant monitoring - analogue clock - fuel gauge - speedometer https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
G1Fuel gauge
G3Coolant temperature gauge
G5Rev. counter
G9Oil temperature gauge
G14Voltmeter
G21Speedometer
J218Combi-processor in dash panel insert
J446Parking aid control unit
J452Door warning lamps control unit
T10aa10-pin connector, orange, right connector point, A pillar
T10ab10-pin connector, white, right connector point, A pillar
T15a15-pin connector, black, right connector point, A pillar
T15m15-pin connector, red, connector point, electronics box, plenum chamber
T1616-pin connector, centre console, rear (diagnosis connection)
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
V94Central locking motor with control unit for interior lights switch-off delay and anti-theft alarm system
W9Left footwell light
YAnalogue clock
   A76 Connection (diagnosis wire K), in dash panel wiring harness
   S3 Connection (switch/control unit) -1-, in central locking system wiring harness
*Only models with air conditioner
**Only models with parking aid

Wiring Diagram AUDI A4 2001 - Dash panel insert - combi-processor in dash panel insert - ambient temperature sensor - brake lining/pad wear senders - switches and instruments-control - oil level sender



Wiring Diagram  AUDI A4 2001 - Dash panel insert - combi-processor in dash panel insert - ambient temperature sensor - brake lining/pad wear senders - switches and instruments-control - oil level sender https://portal-diagnostov.com/license.html
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D2Immobilizer reading coil
E20Switches and instruments, lighting control
E87Control and display unit for air conditioner/Climatronic
G17Ambient temperature sensor
G34Brake lining/pad wear sender, front left
G35Brake lining/pad wear sender, front right
G266Oil level thermo sender, service interval
H3Buzzer/gong
J104ABS with EDL control unit
J218Combi-processor in dash panel insert
K4Side light warning lamp
K19Seat belt warning system warning lamp
K47ABS warning lamp
K75Airbag warning lamp
K117Immobilizer warning lamp
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10ad10-pin connector, red, left connector point, A pillar
T10ap10-pin connector, grey, right connector point, A pillar
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   83 Earth connection -1-, in front right wiring harness
   100 Earth connection -1-, in ABS wiring harness
   199 Earth connection -3-, in dash panel wiring harness
   A73 Connection (ambient temperature display), in dash panel wiring harness
*Only models without air conditioner
**Only models with air conditioner

Wiring Diagram AUDI A4 2001 - Turn signals and hazard warning lights



Wiring Diagram  AUDI A4 2001 - Turn signals and hazard warning lights https://portal-diagnostov.com/license.html
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E2Turn signal switch
E3Hazard warning light switch
J2Hazard warning light relay
M5Turn signal bulb, front left
M7Turn signal bulb, front right
M18Side turn signal bulb, left
M19Side turn signal bulb, right
T3q3-pin connector, black, at steering column switch
T66-pin connector, yellow, right connector point, A pillar
T10ae10-pin connector, light pink, left connector point, A pillar
   81 Earth connection -1-, in dash panel wiring harness
   176 Earth connection, in right headlight wiring harness
   179 Earth connection, in left headlight wiring harness
   A5 Positive (+) connection (turn signal, right ), in dash panel wiring harness
   A6 Positive (+) connection (turn signal, left ), in dash panel wiring harness
   A125 Connection (crash signal), in dash panel wiring harness
   C19 Connection -1- (turn signal, right), in headlight wiring harness
   C20 Connection (turn signal, left), in headlight wiring harness
*Only models with trailer coupling

Wiring Diagram AUDI A4 2001 - Windscreen washer/wiper system



Wiring Diagram  AUDI A4 2001 - Windscreen washer/wiper system https://portal-diagnostov.com/license.html
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E22Intermittent wiper switch
E38Intermittent wiper control
J31Automatic intermittent wash/wipe relay
T6al6-pin connector, black, at steering column switch
T10c10-pin connector, purple, left connector point, A pillar
T10ad10-pin connector, red, left connector point, A pillar
T10ae10-pin connector, light pink, left connector point, A pillar
VWindscreen wiper motor
V5Windscreen washer pump
   81 Earth connection -1-, in dash panel wiring harness
   135 Earth connection -2-, in dash panel wiring harness
   261 Earth connection, in heated washer jet wiring harness
   A60 Connection (vehicle speed signal), in dash panel wiring harness
   A97 Connection (53), in dash panel wiring harness

Wiring Diagram AUDI A4 2001 - Fresh air blower - heated rear window



Wiring Diagram  AUDI A4 2001 - Fresh air blower - heated rear window https://portal-diagnostov.com/license.html
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E9Fresh air blower switch
E15Heated rear window switch
E159Fresh air/air recirculating flap switch
J9Heated rear window relay
N24Fresh air blower with overheating fuse series resistor
T6e6-pin connector, blue, left connector point, A pillar
V2Fresh air blower
V154Fresh air/air recirculating flap control motor
Z1Heated rear window
   135 Earth connection -2-, in dash panel wiring harness
   A74 Connection (15a, fuse 5), in dash panel wiring harness