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AUDI A6 1999 – 4.2 l-fuel injection engine (220 kW – Motronic – 8 cylinder), 3.7 l-fuel injection engine (191 kW – Motronic – 8 cylinder) engine codes ARS, Model year 1999 . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A6 1999 - Battery - starter - alternator



Wiring Diagram  AUDI A6 1999 - Battery - starter - alternator https://portal-diagnostov.com/license.html
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ABattery
BStarter
CAlternator
C1Voltage regulator
DIgnition/starter switch
J31Automatic intermittent wash/wipe relay
S204Fuse C (white)
T3aw3-pin connector, black, in engine compartment, left
T10c10-pin connector, grey, connector point, A pillar, left
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
   3 Earth strap, engine - body
   44 Earth point, lower part of left A-pillar
   81 Earth connection -1-, in dash panel wiring harness
   199 Earth connection -3-, in dash panel wiring harness
   A17 Connection (61), in dash panel wiring harness
   A41 Positive (+) connection (50), in dash panel wiring harness
*Models with manual gearbox
**Models with automatic gearbox

Wiring Diagram AUDI A6 1999 - Starter inhibitor relay



Wiring Diagram  AUDI A6 1999 - Starter inhibitor relay https://portal-diagnostov.com/license.html
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DIgnition/starter switch
F125Multi-function switch
J207Starter inhibitor relay
J220Motronic control unit
S232Fuse in fuse box
T99-pin connector, brown, at starter inhibitor relay
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
T15r15-pin connector, brown, connector point, right A pillar
   85 Earth connection -1-, in engine compartment wiring harness
   A2 Positive (+) connection (15), in dash panel wiring harness
   B135 Connection (15a), in interior wiring harness
   D131 Connection (15) via fuse 232, in engine compartment wiring harness
*Models with automatic gearbox

Wiring Diagram AUDI A6 1999 - Injectors - ignition coils cylinder 1- 4



Wiring Diagram  AUDI A6 1999 - Injectors - ignition coils cylinder 1- 4 https://portal-diagnostov.com/license.html
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J220Motronic control unit
NIgnition coil
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
N128Ignition coil 2
N158Ignition coil 3
N163Ignition coil 4
PSpark plug connector
QSpark plugs
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
   85 Earth connection -1-, in engine compartment wiring harness
   131 Earth connection -2-, in engine compartment wiring harness
   D23 Connection (via fuse 229), in front right wiring harness
   D131 Connection (15) via fuse 232, in engine compartment wiring harness

Wiring Diagram AUDI A6 1999 - Injectors - ignition coils cylinder 5- 8



Wiring Diagram  AUDI A6 1999 - Injectors - ignition coils cylinder 5- 8 https://portal-diagnostov.com/license.html
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J220Motronic control unit
N83Injector, cylinder 5
N84Injector, cylinder 6
N85Injector, cylinder 7
N86Injector, cylinder 8
N164Ignition coil 5
N189Ignition coil 6
N190Ignition coil 7
N191Ignition coil 8
PSpark plug connector
QSpark plugs
   19 Earth point, near ignition coil
   85 Earth connection -1-, in engine compartment wiring harness
   131 Earth connection -2-, in engine compartment wiring harness
   D23 Connection (via fuse 229), in front right wiring harness
   D131 Connection (15) via fuse 232, in engine compartment wiring harness

Wiring Diagram AUDI A6 1999 - Throttle valve control unit - accelerator pedal position senders - cruise control system switch



Wiring Diagram  AUDI A6 1999 - Throttle valve control unit - accelerator pedal position senders - cruise control system switch https://portal-diagnostov.com/license.html
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E45Cruise control system switch
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)
J220Motronic control unit
J338Throttle valve control unit
T15e15-pin connector, white, connector point, electronics box, plenum chamber
   A16 Connection (cruise control system), in dash panel wiring harness
*Models with cruise control system

Wiring Diagram AUDI A6 1999 - Secondary air pump relay - secondary air pump motor - activated charcoal filter system solenoid valve 1 (pulsed)



Wiring Diagram  AUDI A6 1999 - Secondary air pump relay - secondary air pump motor - activated charcoal filter system solenoid valve 1 (pulsed) https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
J220Motronic control unit
J299Secondary air pump relay
N80Activated charcoal filter system solenoid valve 1 (pulsed)
N112Secondary air inlet valve
N144Electro/hydraulic engine mounting solenoid valve, left
N145Electro/hydraulic engine mounting solenoid valve, right
N156Intake manifold change-over valve
N261Intake manifold change-over valve 2
S130Secondary air pump fuse
T10n10-pin connector, orange, 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
   A68 Connection (C15, air conditioner), in dash panel wiring harness
   D22 Connection (via fuse 234), in front right wiring harness

Wiring Diagram AUDI A6 1999 - Lambda probe before catalyst



Wiring Diagram  AUDI A6 1999 - Lambda probe before catalyst https://portal-diagnostov.com/license.html
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E3Hazard warning light switch
G39Lambda probe
G108Lambda probe 2
J220Motronic control unit
J234Airbag control unit
N205Inlet camshaft timing adjustment valve -1-
N208Inlet camshaft timing adjustment valve -2-
T3au3-pin connector, red, connector point, electronics box, plenum chamber
T4u4-pin connector, black, for lambda probe 1
T4v4-pin connector, black, for lambda probe 2
Z19Lambda probe heater
Z28Lambda probe 2 heater
   200 Earth connection (sender earth), in engine wiring harness
   D22 Connection (via fuse 234), in front right wiring harness

Wiring Diagram AUDI A6 1999 - Air mass meter - lambda probes after catalyst



Wiring Diagram  AUDI A6 1999 - Air mass meter - lambda probes after catalyst https://portal-diagnostov.com/license.html
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G70Air mass meter
G130Lambda probe after catalyst
G131Lambda probe 2 after catalyst
J220Motronic control unit
T4s4-pin connector, green, for lambda probe 1 after catalyst
T4t4-pin connector, brown, for lambda probe 2 after catalyst
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
Z29Lambda probe 1 heater, after catalyst
Z30Lambda probe 2 heater, after catalyst
   200 Earth connection (sender earth), in engine wiring harness
   D22 Connection (via fuse 234), in front right wiring harness
*Models with Lambda probe after catalyst

Wiring Diagram AUDI A6 1999 - Fuel pump relay - Hall sender - temperature sender



Wiring Diagram  AUDI A6 1999 - Fuel pump relay - Hall sender - temperature sender https://portal-diagnostov.com/license.html
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F66Coolant shortage indicator switch
G2Coolant temperature sender
G40Hall sender
G62Coolant temperature sender
G163Hall sender 2
J17Fuel pump relay
J220Motronic control unit
S228Fuse 28 in fuse box
S229Fuse in fuse box
S234Fuse in fuse box
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
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
   E16 Positive (+) connection (5 volts), in Motronic wiring harness

Wiring Diagram AUDI A6 1999 - Knock sensors - engine speed sender



Wiring Diagram  AUDI A6 1999 - Knock sensors - engine speed sender https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
F36Clutch pedal switch
G28Engine speed sender
G61Knock sensor 1
G66Knock sensor 2
J220Motronic control unit
T3k3-pin connector, grey, on engines speed sender
T3bc3-pin connector, green, at knock sensor 1
T3bd3-pin connector, green, at knock sensor 2
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
T10o10-pin connector, brown, connector point, electronics box, plenum chamber
T15e15-pin connector, white, connector point, electronics box, plenum chamber
   220 Earth connection (sender earth), in engine wiring harness
   A79 Connection (hot light switch), in dash panel wiring harness
   D102 Connection -2-, in engine compartment wiring harness
*Models with manual gearbox

Wiring Diagram AUDI A6 1999 - Brake light switch - cruise control system brake pedal switch



Wiring Diagram  AUDI A6 1999 - Brake light switch - cruise control system brake pedal switch https://portal-diagnostov.com/license.html
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FBrake light switch
F47Cruise control system brake pedal switch (diesel direct injection system)
J217Automatic gearbox control unit
J220Motronic control unit
M9Brake light bulb, left
M10Brake light bulb, right
S7Fuse in fuse box
S13Fuse in fuse box
T10o10-pin connector, brown, connector point, electronics box, plenum chamber
T15e15-pin connector, white, connector point, electronics box, plenum chamber
T15r15-pin connector, brown, connector point, right A pillar
T15u15-pin connector, red, connector point, electronics box, plenum chamber
   A18 Connection (54), in dash panel wiring harness
   A52 Positive (+) connection 2 (30), in dash panel wiring harness
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness
   B131 Connection (54), in interior wiring harness
   J9 Connection -1- (15a), in ABS wiring harness
CAN bus (data wire)
*Models with automatic gearbox

Wiring Diagram AUDI A6 1999 - Oil level thermo sender - fuel system diagnostic pump



Wiring Diagram  AUDI A6 1999 - Oil level thermo sender - fuel system diagnostic pump https://portal-diagnostov.com/license.html
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G266Oil level sender, service interval
J220Motronic control unit
S5Fuse in fuse box
T6f6-pin connector, dark brown, connector point, A pillar, right
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
T15u15-pin connector, red, connector point, electronics box, plenum chamber
V144Fuel system diagnostic pump
   12 Earth point, in engine compartment, left
   131 Earth connection -2-, in engine compartment wiring harness
   A20 Connection (15a), in dash panel wiring harness
*Models with fuel system diagnostic pump

Wiring Diagram AUDI A6 1999 - Engine cooling



Wiring Diagram  AUDI A6 1999 - Engine cooling https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
F18Radiator fan thermo-switch
F54Radiator fan thermo-switch
F129Air conditioner pressure switch
J293Radiator fan control unit
S42Radiator fan single fuse
S142Radiator fan control unit fuse
S225Fuse 25 in fuse box
T2by2-pin connector, on radiator fan control unit
T6ao6-pin connector, on radiator fan control unit
T10c10-pin connector, grey, connector point, A pillar, left
V7Radiator fan
   193 Earth connection -1-, in coolant fan wiring harness
   L4 Connection (75 al), in air conditioner wiring harness
   L39 Connection (air conditioner pressure switch) -1-, in Climatronic wiring harness
*Models with air conditioner

Wiring Diagram AUDI A6 1999 - Dash panel insert - fuel pump



Wiring Diagram  AUDI A6 1999 - Dash panel insert - fuel pump https://portal-diagnostov.com/license.html
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GFuel gauge sender
G1Fuel gauge
G5Rev. counter
G6Fuel pump (pre-supply pump)
G169Fuel gauge sender 2
G237Fuel gauge sender 3
J218Combi-processor in dash panel insert
KDiagnosis connection
K2Alternator warning lamp
K132Electronic power control fault lamp
T6a6-pin connector, blue, connector point, A pillar, left
T10f10-pin connector, brown, connector point, A pillar, left
T16a16-pin connector, diagnosis connection
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   86 Earth connection -1-, in rear wiring harness
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
   A45 Connection (engine speed signal), in dash panel wiring harness
   A76 Connection (diagnosis wire K), in dash panel wiring harness
*Models with front-wheel drive
**Models with four-wheel drive
***Wiring in fuel tank
#Sender earth output

Wiring Diagram AUDI A6 1999 - Dash panel insert - speedometer - oil pressure warning lamp - coolant temperature/coolant shortage warning lamp



Wiring Diagram  AUDI A6 1999 - Dash panel insert - speedometer - oil pressure warning lamp - coolant temperature/coolant shortage warning lamp https://portal-diagnostov.com/license.html
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F1Oil pressure switch
F66Coolant shortage indicator switch
G3Coolant temperature gauge
G21Speedometer
G22Speedometer sender (Hall sender, on gearbox)
J218Combi-processor in dash panel insert
K3Oil pressure warning lamp
K28Coolant temperature/coolant shortage warning lamp
T10p10-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
   131 Earth connection -2-, in engine compartment wiring harness
   135 Earth connection -2-, in dash panel wiring harness
   139 Earth connection (sender earth), in Motronic wiring harness
   199 Earth connection -3-, in dash panel wiring harness
   A108 Connection (speed signal), in dash panel wiring harness
*Both possible