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AUDI A6 2003 – Air conditioner with automatic control (externally controlled compressor) – 2.5 litre engine – BFC . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A6 2003 - Control and display unit for air conditioner



Wiring Diagram  AUDI A6 2003 - Control and display unit for air conditioner https://portal-diagnostov.com/license.html
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DIgnition/starter switch
E1Lighting switch
E87Control and display unit for air conditioner
J285Control unit with display in dash panel insert
S3Fuse in fuse box
S4Fuse in fuse box
S5Fuse in fuse box
T16a16-pin connector, diagnosis connection
T32a32-pin connector, green, on dash panel insert
   135 Earth connection -2-, in dash panel wiring harness
   199 Earth connection -3-, in dash panel wiring harness
   A2 Positive (+) connection (15), in dash panel wiring harness
   A20 Connection (15a), in dash panel wiring harness
   A53 Positive (+) connection (58), in dash panel wiring harness
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness
   A159 Connection (L), in dash panel wiring harness
CAN bus (data wire)
*Both possible
**Applies to 2.0 litre and 3.0 litre petrol engines

Wiring Diagram AUDI A6 2003 - Vent temperature sender - fresh air blower - solar roof



Wiring Diagram  AUDI A6 2003 - Vent temperature sender - fresh air blower - solar roof https://portal-diagnostov.com/license.html
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C20Solar cells
E87Control and display unit for air conditioner
J126Fresh air blower control unit
J309Solar cell isolation relay
J347Ultra-sonic sensor control unit
J355Solar operation control unit
S15Fuse in fuse box
T2ds2-pin connector, blue, connector point, A pillar, right
T1717-pin connector, orange, connector point, A pillar, right
V2Fresh air blower
   112 Earth connection -2-, in air conditioner wiring harness
   135 Earth connection -2-, in dash panel wiring harness
   199 Earth connection -3-, in dash panel wiring harness
   A1 Positive (+) connection (30a), in dash panel wiring harness
   A52 Positive (+) connection 2 (30), in dash panel wiring harness
   L2 Connection, in air conditioner wiring harness
   L10 Connection -2-, in air conditioner wiring harness
*Models with solar roof
**Models without solar roof
***Models with anti-theft alarm system
#Both possible

Wiring Diagram AUDI A6 2003 - Ambient temperature sensor - fresh air intake duct temperature sensor - sunlight penetration photo sensor - air conditioning system compressor regulating valve



Wiring Diagram  AUDI A6 2003 - Ambient temperature sensor - fresh air intake duct temperature sensor - sunlight penetration photo sensor - air conditioning system compressor regulating valve https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
G17Ambient temperature sensor
G89Fresh air intake duct temperature sensor
G107Sunlight penetration photo sensor
G192Vent temperature sender, footwell
J31Automatic intermittent wash/wipe relay
N280Air conditioning system compressor regulating valve
S225Fuse 25 in fuse box
S226Fuse 26 in fuse box
T10e10-pin connector, purple, 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
T10ba10-pin connector, blue, connector point, A pillar, left
T17h17-pin connector, brown, connector point, A pillar, left
VWindscreen wiper motor
Z1Heated rear window
   112 Earth connection -2-, in air conditioner wiring harness
   D136 Positive (+) connection -2- (15a), in engine compartment wiring harness
   L4 Connection (75a), in air conditioner wiring harness
*Models with solar roof
**Applies to 2.0 litre and 3.0 litre petrol engines
***Applies to 1.9 litre and 2.5 litre TDI engines

Wiring Diagram AUDI A6 2003 - Air recirculation flap control motor - control motor for right temperature flap - vent temperature senders - air quality sensor



Wiring Diagram  AUDI A6 2003 - Air recirculation flap control motor - control motor for right temperature flap - vent temperature senders - air quality sensor https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
G143Air recirculation flap control motor potentiometer
G150Left vent temperature sender
G151Right vent temperature sender
G153Rear evaporator temperature sender
G221Right temperature flap control motor potentiometer
G238Air quality sensor
T10e10-pin connector, purple, connector point, A pillar, left
V113Air recirculation flap control motor
V159Temperature flap control motor, right
   44 Earth point, lower part of left A pillar
   81 Earth connection -1-, in dash panel wiring harness
   112 Earth connection -2-, in air conditioner wiring harness
   135 Earth connection -2-, in dash panel wiring harness
   261 Earth connection, in heated washer jet wiring harness

Wiring Diagram AUDI A6 2003 - Control motors - potentiometers



Wiring Diagram  AUDI A6 2003 - Control motors - potentiometers https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
G112Central flap control motor potentiometer
G113Air flow flap control motor potentiometer
G135Defroster flap control motor potentiometer
G220Left temperature flap control motor potentiometer
J285Control unit with display in dash panel insert
T17h17-pin connector, brown, connector point, A pillar, left
T32a32-pin connector, green, on dash panel insert
V70Central flap control motor
V71Air flow flap control motor
V107Defroster flap control motor
V158Temperature flap control motor, left
   L9 Connection -1-, in air conditioner wiring harness

Wiring Diagram AUDI A6 2003 - Control and display unit for air conditioner - engine cooling for 2.0 litre engines - ALT and 3.0 litre engines - ASN/BBJ



Wiring Diagram  AUDI A6 2003 - Control and display unit for air conditioner - engine cooling for 2.0 litre engines - ALT and 3.0 litre engines - ASN/BBJ https://portal-diagnostov.com/license.html
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E22Intermittent wiper switch
E87Control and display unit for air conditioner
G65High pressure sender
J31Automatic intermittent wash/wipe relay
J220Motronic control unit
J271Motronic current supply relay
J293Radiator fan control unit, in engine compartment, front left
S42Radiator fan single fuse
S142Radiator fan control unit fuse
T14a14-pin connector, black, in engine compartment, front left
T17h17-pin connector, brown, connector point, A pillar, left
T17k17-pin connector, red, connector point, electronics box, plenum chamber
V7Radiator fan
   193 Earth connection -1-, in radiator fan wiring harness
   194 Earth connection -2-, in radiator fan wiring harness
   A96 Connection (53c), in dash panel wiring harness
   L9 Connection -1-, in air conditioner wiring harness
*Radiator fan (350 W)
**Radiator fan (600 W)

Wiring Diagram AUDI A6 2003 - Illumination for dash panel vents



Wiring Diagram  AUDI A6 2003 - Illumination for dash panel vents https://portal-diagnostov.com/license.html
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E1Lighting switch
J285Control unit with display in dash panel insert
L67Dash panel left vent illumination
L68Dash panel central vent illumination
L69Dash panel right vent illumination
L87Central rear vent illumination
T2f2-pin connector, brown, behind dash panel, right
T2h2-pin connector, black, in centre console
T2n2-pin connector, brown, behind dash panel, centre
T2o2-pin connector, brown, behind dash panel, left
T3232-pin connector, blue, on dash panel insert
   135 Earth connection -2-, in dash panel wiring harness
   199 Earth connection -3-, in dash panel wiring harness
   213 Earth connection -4-, in dash panel wiring harness
   A19 Connection (58s), in dash panel wiring harness (switch illumination)
*Both possible

Wiring Diagram AUDI A6 2003 - Radiator fan run-on relay - radiator fan 2nd speed relay - radiator fan relay - radiator fan thermo-switches - radiator fan



Wiring Diagram  AUDI A6 2003 - Radiator fan run-on relay - radiator fan 2nd speed relay - radiator fan relay - radiator fan thermo-switches - radiator fan https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
F18Radiator fan thermo-switch
F54Radiator fan thermo-switch
J26Radiator fan relay
J101Radiator fan 2nd speed relay
J138Radiator fan run-on relay
J248Diesel direct injection system control unit
N39Radiator fan series resistor
S42Radiator fan single fuse
S102Engine control unit fuse
S142Radiator fan control unit fuse
T10n10-pin connector, orange, connector point, electronics box, plenum chamber
T17h17-pin connector, brown, connector point, A pillar, left
V7Radiator fan
   44 Earth point, lower part of left A pillar
   193 Earth connection -1-, in radiator fan wiring harness
   A99 Connection -1- (87), in dash panel wiring harness
   D168 Connection (radiator fan stage II), in engine compartment wiring harness
*Only applies to 4-cylinder engines (1.9 litre TDI - AWX, AVF)
**Only applies to 6-cylinder engines (2.5 litre TDI - AYM, AKE, BFC, BCZ, BDG, BAU, BDH)

Wiring Diagram AUDI A6 2003 - Radiator fan thermo-switches - high pressure sender



Wiring Diagram  AUDI A6 2003 - Radiator fan thermo-switches - high pressure sender https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
F18Radiator fan thermo-switch
F54Radiator fan thermo-switch
G65High pressure sender
T14a14-pin connector, black, in engine compartment, front left
T17h17-pin connector, brown, connector point, A pillar, left
   44 Earth point, lower part of left A pillar
   193 Earth connection -1-, in radiator fan wiring harness
   194 Earth connection -2-, in radiator fan wiring harness
*Only applies to 4-cylinder engines (1.9 litre TDI - AWX, AVF)
**Only applies to 6-cylinder engines (2.5 litre TDI - AYM, AKE, BFC, BCZ, BDH, BDG, BAU)