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AUDI A6 2003 – 2,5 litre turbo-diesel engine (110 kW, 6-cylinder), engine codes AKN, Model year 1999 . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A6 2003 - Battery - starter - alternator - starter inhibitor relay



Wiring Diagram  AUDI A6 2003 - Battery - starter - alternator - starter inhibitor relay https://portal-diagnostov.com/license.html
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ABattery
BStarter
CAlternator
C1Voltage regulator
DIgnition/starter switch
F125Driving range sensor
J207Starter inhibitor relay
T3e3-pin connector, black, in engine compartment, front left
T99-pin connector, brown, at starter inhibitor relay
T10o10-pin connector, brown, connector point, electronics box, plenum chamber
T10p10-pin connector, black, connector point, electronics box, plenum chamber
T15r15-pin connector, brown, connector point, right A pillar
   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
*Models with manual gearbox
**Models with automatic gearbox

Wiring Diagram AUDI A6 2003 - Diesel direct injection system control unit - glow plugs relay - glow plugs



Wiring Diagram  AUDI A6 2003 - Diesel direct injection system control unit - glow plugs relay - glow plugs https://portal-diagnostov.com/license.html
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G2Coolant temperature sender
G62Coolant temperature sender
G71Intake manifold pressure sender
G93Oil temperature sender
J52Glow plug relay
J248Diesel direct injection system control unit
Q6Glow plugs (engine)
S39Fuse for glow plugs - engine
S125Glow plug fuse -2-
T3au3-pin connector, red, 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
T15u15-pin connector, red, connector point, electronics box, plenum chamber
   85 Earth connection -1-, in engine compartment wiring harness
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
   D16 Connection (glow plugs), in front right wiring harness
   D98 Connection (glow plugs), in engine compartment wiring harness
   F28 Connection -3-, in diesel direct injection system wiring harness

Wiring Diagram AUDI A6 2003 - Diesel direct injection system control unit - air mass meter - injection pump control unit - air mass meter - diesel direct injection system relay



Wiring Diagram  AUDI A6 2003 - Diesel direct injection system control unit - air mass meter - injection pump control unit - air mass meter - diesel direct injection system relay https://portal-diagnostov.com/license.html
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G70Air mass meter
J248Diesel direct injection system control unit
J322Diesel direct injection system relay
J399Injection pump control unit
N18Exhaust gas recirculation valve
N75Charge pressure control solenoid valve
N144Electro/hydraulic engine mounting solenoid valve, left
N145Electro/hydraulic engine mounting solenoid valve, right
S102Engine control unit fuse
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
   85 Earth connection -1-, in engine compartment wiring harness
   D101 Connection -1-, in engine compartment wiring harness
   F25 Connection -1-, in diesel direct injection system wiring harness
   F26 Connection -2-, in diesel direct injection system wiring harness

Wiring Diagram AUDI A6 2003 - Diesel direct injection system control unit - cruise control system



Wiring Diagram  AUDI A6 2003 - Diesel direct injection system control unit - cruise control system https://portal-diagnostov.com/license.html
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DIgnition/starter switch
E45Cruise control system switch
E87Control and display unit for air conditioner
J162Heater control unit
J214Thermotronic control unit
J248Diesel direct injection system control unit
T6z6-pin connector, on auxiliary heater control unit
T10n10-pin connector, orange, 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
T15m15-pin connector, white, connector point, A pillar, left
T1515-pin connector, red, connector point, electronics box, plenum chamber
V54Metering pump
   A2 Positive (+) connection (15), in dash panel wiring harness
   A16 Connection (cruise control system), in dash panel wiring harness
   L32 Connection -1-, in heater unit wiring harness
*Models with cruise control system
**Models with air conditioner
***Models with Thermotronic

Wiring Diagram AUDI A6 2003 - Diesel direct injection system control unit - kick-down switch - idling switch - brake light switch - clutch pedal switch - low fuel level sender



Wiring Diagram  AUDI A6 2003 - Diesel direct injection system control unit - kick-down switch - idling switch - brake light switch - clutch pedal switch - low fuel level sender https://portal-diagnostov.com/license.html
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DIgnition/starter switch
FBrake light switch
F8Kick-down switch
F36Clutch pedal switch
F47Cruise control system brake pedal switch (diesel direct injection system)
F60Idling switch
G79Accelerator pedal position sender
G80Needle lift sender
G210Low fuel level sender
J248Diesel direct injection system control unit
M9Brake light bulb, left
M10Brake light bulb, right
S13Fuse in fuse box
T10n10-pin connector, orange, 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
*Models with manual gearbox
**Models with automatic gearbox 01V

Wiring Diagram AUDI A6 2003 - Diesel direct injection system control unit - engine speed sender - fuel pump relay



Wiring Diagram  AUDI A6 2003 - Diesel direct injection system control unit - engine speed sender - fuel pump relay https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
G28Engine speed sender
G106Ambient temperature indicator
J17Fuel pump relay
J248Diesel direct injection system control unit
N239Intake manifold flap change-over valve
S228Fuse in fuse box
T6a6-pin connector, blue, connector point, A pillar, left
T10c10-pin connector, grey, connector point, A pillar, left
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
T1515-pin connector, red, connector point, electronics box, plenum chamber
   85 Earth connection -1-, in engine compartment wiring harness
   A45 Connection (engine speed signal), in dash panel wiring harness
   A68 Connection (C15, air conditioner), in dash panel wiring harness
   A73 Connection (ambient temperature display), in dash panel wiring harness
   A108 Connection (speed signal), in dash panel wiring harness
*Models with manual gearbox
**Models with automatic gearbox 01V
***Models with air conditioner
****Models with Thermotronic

Wiring Diagram AUDI A6 2003 - Diesel direct injection system control unit - reversing light



Wiring Diagram  AUDI A6 2003 - Diesel direct injection system control unit - reversing light https://portal-diagnostov.com/license.html
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F4Reversing light switch
F125Driving range sensor
J217Automatic gearbox control unit
J248Diesel direct injection system control unit
M16Reversing light bulb, left
M17Reversing light bulb, right
S7Fuse in fuse box/relay plate
S231Fuse in fuse box
T3ar3-pin connector, brown, connector point, right A pillar
T3au3-pin connector, red, connector point, electronics box, plenum chamber
T10f10-pin connector, brown, connector point, A pillar, left
T10o10-pin connector, brown, 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
   A38 Positive (+) connection -2- (15a), in dash panel wiring harness
   A87 Connection (RF (reversing light)), in dash panel wiring harness
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness
CAN bus (Data bus)
*Models with manual gearbox
**Models with automatic gearbox 01V

Wiring Diagram AUDI A6 2003 - Relay and glow plugs for additional heater



Wiring Diagram  AUDI A6 2003 - Relay and glow plugs for additional heater https://portal-diagnostov.com/license.html
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J359Low heat output relay
J360High heat output relay
KDiagnosis connection
S109Additional heater fuse
S143Additional heater fuse 2
T10c10-pin connector, grey, connector point, A pillar, left
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
T15u15-pin connector, red, connector point, electronics box, plenum chamber
T16a16-pin connector, diagnosis connection
Z35Additional heating heater element
   44 Earth point, lower part of left A-pillar
   156 Earth connection, in diesel direct injection wiring harness
   A32 Positive (+) connection (30), in dash panel wiring harness
   A76 Connection (diagnosis wire K), in dash panel wiring harness
   A99 Connection -1- (87), in dash panel wiring harness
   F32 Connection (additional heater), in diesel direct injection system wiring harness
*Models with cruise control system
**Does not models with auxiliary heater

Wiring Diagram AUDI A6 2003 - Engine cooling



Wiring Diagram  AUDI A6 2003 - 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
J26Radiator fan relay
J101Radiator fan 2nd speed relay
J138Radiator fan run-on control unit
N39Radiator fan series resistor
S42Radiator fan single fuse
S142Radiator fan control unit fuse
T10c10-pin connector, grey, connector point, A pillar, left
V7Radiator fan
   44 Earth point, lower part of left A-pillar
   193 Earth connection -1-, in coolant fan wiring harness
*Models with air conditioner

Wiring Diagram AUDI A6 2003 - Dash panel insert - fuel pump - fuel gauge - rev. counter - oil temperature gauge - speedometer - warning lamp



Wiring Diagram  AUDI A6 2003 - Dash panel insert - fuel pump - fuel gauge - rev. counter - oil temperature gauge - speedometer - warning lamp https://portal-diagnostov.com/license.html
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F1Oil pressure switch
F66Coolant shortage indicator switch
GFuel gauge sender
G1Fuel gauge
G3Coolant temperature gauge
G5Rev. counter
G6Fuel pump (pre-supply pump)
G8Oil temperature sender
G9Oil temperature gauge
G21Speedometer
G22Speedometer sender (Hall sender, on gearbox)
J218Combi-processor in dash panel insert
K2Alternator warning lamp
K3Oil pressure warning lamp
K16Reserve fuel warning lamp
K28Coolant temperature/coolant shortage warning lamp
K29Glow period warning lamp
T10f10-pin connector, brown, connector point, A pillar, left
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
   85 Earth connection -1-, in engine compartment wiring harness
   86 Earth connection -1-, in rear wiring harness
   135 Earth connection -2-, in dash panel wiring harness
   199 Earth connection -3-, in dash panel wiring harness
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
*Both possible