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AUDI A4 2001 – Audi A4 (1.8 litre fuel injection engine, 132 kW, Motronic (5-valve/turbo), 4-cylinder), engine code AJL . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2001 - Battery - starter - alternator



Wiring Diagram  AUDI A4 2001 - Battery - starter - alternator https://portal-diagnostov.com/license.html
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ABattery
BStarter
CAlternator
C1Voltage regulator
DIgnition/starter switch
T1aSingle connector, blue, in engine compartment
T1kSingle connector, black, in engine compartment, right
T2at2-pin connector, black, in engine compartment, right
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10m10-pin connector, black, connector point, electronics box, plenum chamber
   11 Earth point, in battery box
   12 Earth point, in engine compartment, left
   83 Earth connection -1-, in front right wiring harness
   121 Earth connection -2-, in front right wiring harness
   A17 Connection (61), in dash panel wiring harness
   A86 Connection (50a), in dash panel wiring harness
*Applicable up to model year 2000
**Applicable from model year 2001

Wiring Diagram AUDI A4 2001 - Motronic control unit - fuel pump relay - injectors - air mass meter



Wiring Diagram  AUDI A4 2001 - Motronic control unit - fuel pump relay - injectors - air mass meter https://portal-diagnostov.com/license.html
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G70Air mass meter
J17Fuel pump relay
J220Motronic control unit
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
N75Charge pressure control solenoid valve
N80Activated charcoal filter system solenoid valve 1
S228Fuse in fuse box
S229Fuse in fuse box
S234Fuse in fuse box
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10m10-pin connector, black, connector point, electronics box, plenum chamber
T10ar10-pin connector, orange, connector point, electronics box, plenum chamber
T15m15-pin connector, red, connector point, electronics box, plenum chamber
   83 Earth connection -1-, in front right wiring harness
   A151 Connection -4- (87), in dash panel wiring harness
   A152 Connection -5- (87), in dash panel wiring harness
   D23 Connection (87F), in engine compartment wiring harness, right
   D95 Connection (injectors), in engine compartment wiring harness

Wiring Diagram AUDI A4 2001 - Motronic control unit - coolant temperature senders - intake air temperature sender - knock sensors



Wiring Diagram  AUDI A4 2001 - Motronic control unit - coolant temperature senders - intake air temperature sender - knock sensors https://portal-diagnostov.com/license.html
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G2Coolant temperature sender
G42Intake air temperature sender
G61Knock sensor I
G62Coolant temperature sender
G66Knock sensor II
J220Motronic control unit
T3o3-pin connector, green, in engine compartment, left
T3n3-pin connector, blue, in engine compartment, left
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10m10-pin connector, black, connector point, electronics box, plenum chamber
   121 Earth connection -2-, in front right wiring harness
   220 Earth connection (sender earth), in engine wiring harness
   A27 Connection (speed signal), in dash panel wiring harness
   A45 Connection (engine speed signal), in dash panel wiring harness
*Applicable up to 1999 model year
**Applicable from model year 2000

Wiring Diagram AUDI A4 2001 - Motronic control unit - throttle valve control unit - altitude sender - Hall sender



Wiring Diagram  AUDI A4 2001 - Motronic control unit - throttle valve control unit - altitude sender - Hall sender https://portal-diagnostov.com/license.html
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F96Altitude sender
G40Hall sender
J189Auto-check system
J220Motronic control unit
J338Throttle valve control unit
T1010-pin connector, brown, connector point, electronics box, plenum chamber
   220 Earth connection (sender earth), in engine wiring harness
   D101 Connection -1-, in engine compartment wiring harness
*Only models with auto-check system, without extended servicing intervals (for 1999 model year)
**Only models with auto-check system, with extended servicing intervals (for 1999 model year)
***Only models with auto -check system (for model year 2000)
****Applicable from model year 2001

Wiring Diagram AUDI A4 2001 - Motronic control unit - lambda probe - engine speed sender



Wiring Diagram  AUDI A4 2001 - Motronic control unit - lambda probe - engine speed sender https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
G28Engine speed sender
G39Lambda probe
J220Motronic control unit
T3m3-pin connector, grey, in engine compartment, left
T4v4-pin connector, brown, in engine compartment, left
T15m15-pin connector, red, connector point, electronics box, plenum chamber
Z19Lambda probe heater
   83 Earth connection -1-, in front right wiring harness
   121 Earth connection -2-, in front right wiring harness
   A100 Connection -2- (87), in dash panel wiring harness
*Only models with air conditioner
**Applicable up to model year 2000
***Applicable from model year 2001

Wiring Diagram AUDI A4 2001 - Ignition system



Wiring Diagram  AUDI A4 2001 - Ignition system https://portal-diagnostov.com/license.html
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DIgnition/starter switch
F4Reversing light switch
NIgnition coil 1
N122Final output stage
N128Ignition coil 2
N158Ignition coil 3
N163Ignition coil 4
PSpark plug connector
QSpark plugs
T4f4-pin connector, black, at output stage
T5c5-pin connector, black, at output stage
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10ar10-pin connector, orange, connector point, electronics box, plenum chamber
S5Fuse in fuse box/relay plate
S231Fuse in fuse box
S232Fuse in fuse box
   18 Earth point, on cylinder block
   83 Earth connection -1-, in front right wiring harness
   A2 Positive (+) connection (15), in dash panel wiring harness
   A20 Connection (15a), in dash panel wiring harness
   A70 Connection (15a, fuse 231), in dash panel wiring harness
   D14 Connection (ignition coil-control unit), in front right wiring harness

Wiring Diagram AUDI A4 2001 - Dash panel insert - fuel gauge sender - fuel pump - coolant shortage indicator switch - diagnostic connector



Wiring Diagram  AUDI A4 2001 - Dash panel insert - fuel gauge sender - fuel pump - coolant shortage indicator switch - diagnostic connector https://portal-diagnostov.com/license.html
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F66Coolant shortage indicator switch
GFuel gauge sender
G6Fuel pump
J218Combi-processor in dash panel insert
T6e6-pin connector, blue, left connector point, A pillar
T10a10-pin connector, brown, left connector point, A pillar
T10m10-pin connector, black, connector point, electronics box, plenum chamber
T10ao10-pin connector, white, left connector point, A pillar
T1616-pin connector, diagnostic connector
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   86 Earth connection -1-, in rear wiring harness
   139 Earth connection (sender earth), in Motronic wiring harness
   199 Earth connection -3-, in dash panel wiring harness
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
   A76 Connection (diagnosis wire K), in dash panel wiring harness
*Output for signal earth
**Applicable for 1999 model year only
***Applicable from model year 2000

Wiring Diagram AUDI A4 2001 - Dash panel insert - vehicle speed sender - oil pressure switch - oil level/oil temperature sender



Wiring Diagram  AUDI A4 2001 - Dash panel insert - vehicle speed sender - oil pressure switch - oil level/oil temperature sender https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
F1Oil pressure switch
G22Speedometer sender (Hall sender, on gearbox)
G266Oil level/oil temperature sender
J218Combi-processor in dash panel insert
K2Alternator warning lamp
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10m10-pin connector, black, connector point, electronics box, plenum chamber
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
   121 Earth connection -2-, in front right wiring harness
   A74 Connection (15a, fuse 5), in dash panel wiring harness
*Applicable for 1999 model year only
**Applicable from model year 2000
***Applies to extended servicing intervals only