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AUDI A6 2000 – 1.8 litre fuel injection turbo engine (110 kW / 132 kW – Motronic – 4-cylinder), engine code APU . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A6 2000 - Battery - starter - alternator



Wiring Diagram  AUDI A6 2000 - Battery - starter - alternator https://portal-diagnostov.com/license.html
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ABattery
BStarter
CAlternator
C1Voltage regulator
DIgnition/starter switch
T1Single connector, in engine compartment, right
T10o10-pin connector, brown, connector point, electronics box, plenum chamber
T10p10-pin connector, black, connector point, electronics box, plenum chamber
   1 Earth strap, battery - body
   12 Earth point, in engine compartment, left
   85 Earth connection -1-, in engine compartment wiring harness
   A17 Connection (61), in dash panel wiring harness
   A41 Positive (+) connection (50), in dash panel wiring harness

Wiring Diagram AUDI A6 2000 - Motronic control unit - Motronic current supply relay



Wiring Diagram  AUDI A6 2000 - Motronic control unit - Motronic current supply relay https://portal-diagnostov.com/license.html
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FBrake light switch
F36Clutch pedal switch
F47Cruise control system brake pedal switch (diesel direct injection system)
J220Motronic control unit
J271Motronic current supply relay
S13Fuse in fuse box
T3bg3-pin connector, white, connector point, electronics box, plenum chamber
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
T10p10-pin connector, black, connector point, electronics box, plenum chamber
T15e15-pin connector, white, connector point, electronics box, plenum chamber
   85 Earth connection -1-, in engine compartment wiring harness
   A18 Connection (54), in dash panel wiring harness
   A52 Positive (+) connection -2- (30), in dash panel wiring harness
   B131 Connection (54), in interior wiring harness
   D50 Positive (+) connection (30), in engine compartment wiring harness
   J9 Connection -1- (15a), in ABS wiring harness
*Models with manual gearbox

Wiring Diagram AUDI A6 2000 - Motronic control unit - injectors



Wiring Diagram  AUDI A6 2000 - Motronic control unit - injectors https://portal-diagnostov.com/license.html
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G2Coolant temperature sender
G31Charge air pressure sender
G40Hall sender
G42Intake air temperature sender
G62Coolant temperature sender
J220Motronic control unit
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
S232Fuse 32 in fuse box
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
T10p10-pin connector, black, connector point, electronics box, plenum chamber
   139 Earth connection (sender earth), in Motronic wiring harness
   220 Earth connection (sender earth), in engine wiring harness
   B135 Connection (15a), in interior wiring harness
   D95 Connection (injectors), in engine compartment wiring harness
   D102 Connection -2-, in engine compartment wiring harness
*Models with cruise control system

Wiring Diagram AUDI A6 2000 - Motronic control unit - knock sensors - engine speed sender



Wiring Diagram  AUDI A6 2000 - Motronic control unit - knock sensors - engine speed sender https://portal-diagnostov.com/license.html
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E3Hazard warning light switch
G28Engine speed sender
G61Knock sensor 1
G66Knock sensor 2
J220Motronic control unit
J234Airbag control unit
J429Central locking control unit
T3h3-pin connector, green, at knock sensor 1
T3i3-pin connector, blue, at knock sensor 2
T3k3-pin connector, grey, on engine speed sender
T3au3-pin connector, red, connector point, electronics box, plenum chamber
T15u15-pin connector, red, connector point, electronics box, plenum chamber
   220 Earth connection (sender earth), in engine wiring harness
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness
   D101 Connection -1-, in engine compartment wiring harness
CAN bus (data wire)

Wiring Diagram AUDI A6 2000 - Motronic control unit - throttle valve control unit - accelerator pedal position senders



Wiring Diagram  AUDI A6 2000 - Motronic control unit - throttle valve control unit - accelerator pedal position senders https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
G79Accelerator pedal position sender
G185Accelerator pedal position sender -2-
G186Throttle valve drive (electric throttle operation)
G187Throttle valve drive angle sender -1- (electric throttle operation)
G188Throttle valve drive angle sender -2- (electric throttle operation)
J104ABS with EDL control unit
J220Motronic control unit
J338Throttle valve control unit
T6an6-pin connector, in footwell, front left
T10k10-pin connector, orange, connector point, A pillar, left
T10p10-pin connector, black, connector point, electronics box, plenum chamber
T15e15-pin connector, white, connector point, electronics box, plenum chamber
T15u15-pin connector, red, connector point, electronics box, plenum chamber
   A45 Connection (engine speed signal), in dash panel wiring harness
   A68 Connection (C15, air conditioner), in dash panel wiring harness
*Models with air conditioner

Wiring Diagram AUDI A6 2000 - Motronic control unit - lambda probes - air mass meter



Wiring Diagram  AUDI A6 2000 - Motronic control unit - lambda probes - air mass meter https://portal-diagnostov.com/license.html
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DIgnition/starter switch
G39Lambda probe
G70Air mass meter
G130Lambda probe downstream of catalytic converter
J220Motronic control unit
S5Fuse in fuse box
S7Fuse in fuse box
S231Fuse 31 in fuse box
T4b4-pin connector, black, for lambda probe
T4h4-pin connector, brown, for lambda probe
Z19Lambda probe heater
Z29Lambda probe 1 heater, downstream of catalytic converter
   200 Earth connection (screening), in engine compartment wiring harness
   A2 Positive (+) connection (15), in dash panel wiring harness
   A20 Connection (15a), in dash panel wiring harness
   D22 Connection (via fuse 234), in front right wiring harness
*Only applies to engine code ANB

Wiring Diagram AUDI A6 2000 - Motronic control unit - activated charcoal filter system solenoid valve 1 (pulsed) - secondary air pump motor



Wiring Diagram  AUDI A6 2000 - Motronic control unit - activated charcoal filter system solenoid valve 1 (pulsed) - secondary air pump motor https://portal-diagnostov.com/license.html
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J220Motronic control unit
J299Secondary air pump relay
N80Activated charcoal filter system solenoid valve 1 (pulsed)
N156Intake manifold change-over valve
N112Secondary air inlet valve
N249Turbocharger divert air valve
S130Secondary air pump fuse
T3bg3-pin connector, white, connector point, electronics box, plenum chamber
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
T10o10-pin connector, brown, connector point, electronics box, plenum chamber
T15u15-pin connector, red, connector point, electronics box, plenum chamber
V101Secondary air pump motor
   12 Earth point, in engine compartment, left
   A32 Positive (+) connection (30), in dash panel wiring harness
   D22 Connection (via fuse 234), in front right wiring harness
*Only applies to engine code ANB

Wiring Diagram AUDI A6 2000 - Motronic control unit - fuel pump relay



Wiring Diagram  AUDI A6 2000 - Motronic control unit - fuel pump relay https://portal-diagnostov.com/license.html
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E45Cruise control system switch
G266Oil level thermo sender, service interval
J17Fuel pump relay
J220Motronic control unit
S228Fuse 28 in fuse box
S229Fuse 29 in fuse box
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
T10o10-pin connector, brown, connector point, electronics box, plenum chamber
T10p10-pin connector, black, connector point, electronics box, plenum chamber
T10q10-pin connector, black, on cruise control system switch
T15e15-pin connector, white, connector point, electronics box, plenum chamber
   85 Earth connection -1-, in engine compartment wiring harness
   A16 Connection (CCS), in dash panel wiring harness
   D23 Connection (via fuse 229), in front right wiring harness
*Models with cruise control system
**Applies to engine ANB only

Wiring Diagram AUDI A6 2000 - Ignition coils - output stage - spark plugs



Wiring Diagram  AUDI A6 2000 - Ignition coils - output stage - spark plugs https://portal-diagnostov.com/license.html
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NIgnition coil
N122Final output stage
N128Ignition coil 2
N158Ignition coil 3
PSpark plug connector
QSpark plugs
T3aa3-pin connector, black, at ignition coil 1
T3ab3-pin connector, black, at ignition coil 2
T3ac3-pin connector, black, at ignition coil 3
T4i4-pin connector, black, on output stage
T5g5-pin connector, black, on output stage
   85 Earth connection -1-, in engine compartment wiring harness
   D23 Connection (via fuse 229), in front right wiring harness

Wiring Diagram AUDI A6 2000 - Ignition coil 4 - reversing light switch



Wiring Diagram  AUDI A6 2000 - Ignition coil 4 - reversing light switch https://portal-diagnostov.com/license.html
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F4Reversing light switch
F125Multi-function switch
M16Reversing light bulb, left
M17Reversing light bulb, right
N122Final output stage
N163Ignition coil 4
PSpark plug connector
QSpark plugs
T3ad3-pin connector, black, at ignition coil 4
T3ar3-pin connector, blue, connector point, A pillar, right
T3au3-pin connector, red, connector point, electronics box, plenum chamber
T4i4-pin connector, black, on output stage
T10f10-pin connector, brown, connector point, A pillar, left
T10o10-pin connector, brown, connector point, electronics box, plenum chamber
   19 Earth point, near coil
   A38 Positive (+) connection -2- (15a), in dash panel wiring harness
   A87 Connection (reversing light), in dash panel wiring harness
   D23 Connection (via fuse 229), in front right wiring harness
*Models with manual gearbox
**Models with automatic gearbox

Wiring Diagram AUDI A6 2000 - Engine cooling - dash panel insert - fuel pump



Wiring Diagram  AUDI A6 2000 - Engine cooling - dash panel insert - fuel pump https://portal-diagnostov.com/license.html
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F18Radiator fan thermo-switch
GFuel gauge sender
G1Fuel gauge
G6Fuel pump (pre-supply pump)
J26Radiator fan relay
J218Combi-processor in dash panel insert
K2Alternator warning lamp
K83Fault warning lamp for self-diagnosis/exhaust emissions
S42Radiator fan single fuse
S142Radiator fan control unit fuse
T6a6-pin connector, blue, connector point, A pillar, left
T10f10-pin connector, brown, connector point, A pillar, left
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
V7Radiator fan
   44 Earth point, lower part of left A-pillar
   86 Earth connection -1-, in rear wiring harness
   193 Earth connection -1-, in radiator fan wiring harness
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
*Sender earth output
**Applies to engine ANB only

Wiring Diagram AUDI A6 2000 - Dash panel insert



Wiring Diagram  AUDI A6 2000 - Dash panel insert https://portal-diagnostov.com/license.html
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F1Oil pressure switch
F66Coolant shortage indicator switch
G3Coolant temperature gauge
G5Rev. counter
G21Speedometer
G22Speedometer sender (Hall sender, on gearbox)
J218Combi-processor in dash panel insert
KDiagnosis connection
K3Oil pressure warning lamp
K28Coolant temperature/coolant shortage warning lamp
K132Electronic power control fault lamp
T10p10-pin connector, black, connector point, electronics box, plenum chamber
T16a16-pin connector, diagnosis connection
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   85 Earth connection -1-, in engine compartment wiring harness
   139 Earth connection (sender earth), in Motronic wiring harness
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
   A76 Connection (diagnosis wire K), in dash panel wiring harness
   A108 Connection (speed signal), in dash panel wiring harness