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VW POLO 2010 – 1.6l engine, CCRA,(2U4) . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2010 - Battery - Starter - Alternator - Voltage regulator - Onboard supply control unit



Wiring Diagram  VW POLO 2010 - Battery - Starter - Alternator - Voltage regulator - Onboard supply control unit https://portal-diagnostov.com/license.html
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A Battery
B Starter
C Alternator
C1 Voltage regulator
J519 Onboard supply control unit
S162 Fuse 1 (30), in battery fuse holder
S163 Fuse 2 (30), in battery fuse holder
S164 Fuse 3 (30), in battery fuse holder
S178 Fuse 6 (30), in battery fuse holder
S180 Fuse 8 (30), in battery fuse holder
S267 Fuse 9 (30), in battery fuse holder
S269 Fuse 11 (30), in battery fuse holder
T1e Single connector
T2r 2-pin connector, near dual-tone horns
T2s 2-pin connector
T3c 3-pin connector, on left in engine compartment
T6k 6-pin connector, on left in engine compartment
T11b 11-pin connector, on left in engine compartment
T12a 12-pin connector, on left in engine compartment
T18a 18-pin connector
  1 Earth strap, battery - body
  507 Threaded connection (30), on battery fuse holder

Wiring Diagram VW POLO 2010 - Ignition/starter switch - X-contact relief relay - Onboard supply control unit



Wiring Diagram  VW POLO 2010 - Ignition/starter switch - X-contact relief relay - Onboard supply control unit https://portal-diagnostov.com/license.html
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D Ignition/starter switch
E2 Turn signal switch
J59 X-contact relief relay
J217 Automatic gearbox control unit
J519 Onboard supply control unit
T6o 6-pin connector
T8c 8-pin connector
T9a 9-pin connector, on left in engine compartment
T12d 12-pin connector
T18a 18-pin connector
T41a 41-pin connector
T80b 80-pin connector
  238 Earth connection 1, in interior wiring harness
  B172 Positive connection 4 (30), in interior wiring harness
  B491 Positive connection (75), in interior wiring harness
  B493 Connection (75x), in interior wiring harness
  D210 Connection (50), in engine compartment wiring harness
*Only models with driver and front passenger airbags
*2Only models with multifunction steering wheel
*3Only models with automated manual gearbox
*4From December 2009
*5Up to December 2009

Wiring Diagram VW POLO 2010 - Handbrake warning switch - Onboard supply control unit



Wiring Diagram  VW POLO 2010 - Handbrake warning switch - Onboard supply control unit https://portal-diagnostov.com/license.html
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F9 Handbrake warning switch
J301 Air conditioning system control unit
J519 Onboard supply control unit
T2b 2-pin connector
T5d 5-pin connector
T5f 5-pin connector
T16c 16-pin connector
T16e 16-pin connector
  42 Earth point, next to steering column
  249 Earth connection 2, in interior wiring harness
  278 Earth connection 4, in interior wiring harness
  279 Earth connection 5, in interior wiring harness
  284 Earth connection 6, in interior wiring harness
  285 Earth connection 7, in interior wiring harness
  296 Earth connection 11, in interior wiring harness
  606 Earth point, under the centre console near gear stick
*Diagnostic connection
*2Saloon
*3From December 2009

Wiring Diagram VW POLO 2010 - Reversing light switch - Onboard supply control unit



Wiring Diagram  VW POLO 2010 - Reversing light switch - Onboard supply control unit https://portal-diagnostov.com/license.html
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F4 Reversing light switch
J519 Onboard supply control unit
T2aa 2-pin connector
T6ah 6-pin connector
T6k 6-pin connector, on left in engine compartment
T6u 6-pin connector
T11b 11-pin connector, on left in engine compartment
T16b 16-pin connector
T18a 18-pin connector
  B182 Connection (RL), in interior wiring harness
  B239 Positive connection 1 (50), in interior wiring harness
  B492 Positive connection 3 (15), in interior wiring harness
*Only models with driver and front passenger airbags
*2Only models with multifunction steering wheel

Wiring Diagram VW POLO 2010 - Onboard supply control unit



Wiring Diagram  VW POLO 2010 - Onboard supply control unit https://portal-diagnostov.com/license.html
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J519 Onboard supply control unit
T16b 16-pin connector
T16e 16-pin connector
T18b 18-pin connector
  B506 Connection (convenience CAN bus, high), in interior wiring harness
  B507 Connection (convenience CAN bus, low), in interior wiring harness
*Diagnostic connection

Wiring Diagram VW POLO 2010 - Onboard supply control unit



Wiring Diagram  VW POLO 2010 - Onboard supply control unit https://portal-diagnostov.com/license.html
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J519 Onboard supply control unit
SA10 Fuse 10 in fuse holder A
SA45 Fuse 45 in fuse holder A
SA46 Fuse 46 in fuse holder A
SA47 Fuse 47 in fuse holder A
SA48 Fuse 48 in fuse holder A
SA52 Fuse 52 in fuse holder A
T5d 5-pin connector
T5f 5-pin connector
T6b 6-pin connector, on left in engine compartment
T16b 16-pin connector
T18a 18-pin connector
  B162 Connection (75a), in interior wiring harness

Wiring Diagram VW POLO 2010 - Onboard supply control unit



Wiring Diagram  VW POLO 2010 - Onboard supply control unit https://portal-diagnostov.com/license.html
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J519 Onboard supply control unit
SA27 Fuse 27 in fuse holder A
SA28 Fuse 28 in fuse holder A
SA29 Fuse 29 in fuse holder A
SA30 Fuse 30 in fuse holder A
SA41 Fuse 41 in fuse holder A
T6m 6-pin connector
T16e 16-pin connector
  B170 Positive connection 2 (30), in interior wiring harness
  B188 Positive connection 5 (30), in interior wiring harness
  B231 Positive connection 5 (30a), in interior wiring harness
*Diagnostic connection

Wiring Diagram VW POLO 2010 - Fuse 5 in fuse holder A - Fuse 14 in fuse holder A - Fuse 18 in fuse holder A - Fuse 19 in fuse holder A - Fuse 20 in fuse holder A



Wiring Diagram  VW POLO 2010 - Fuse 5 in fuse holder A - Fuse 14 in fuse holder A - Fuse 18 in fuse holder A - Fuse 19 in fuse holder A - Fuse 20 in fuse holder A https://portal-diagnostov.com/license.html
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SA5 Fuse 5 in fuse holder A
SA14 Fuse 14 in fuse holder A
SA18 Fuse 18 in fuse holder A
SA19 Fuse 19 in fuse holder A
SA20 Fuse 20 in fuse holder A
T6k 6-pin connector, on left in engine compartment
  B163 Positive connection 1 (15), in interior wiring harness
  B171 Positive connection 3 (30), in interior wiring harness
  B235 Positive connection 4 (15a), in interior wiring harness
  D104 Positive connection 2 (30a), in engine compartment wiring harness
*Up to December 2009

Wiring Diagram VW POLO 2010 - Fuse 4 in fuse holder A - Fuse 9 in fuse holder A - Fuse 25 in fuse holder A - Fuse 32 in fuse holder A - Fuse 36 in fuse holder A - Fuse 37 in fuse holder A



Wiring Diagram  VW POLO 2010 - Fuse 4 in fuse holder A - Fuse 9 in fuse holder A - Fuse 25 in fuse holder A - Fuse 32 in fuse holder A - Fuse 36 in fuse holder A - Fuse 37 in fuse holder A https://portal-diagnostov.com/license.html
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E9 Fresh air blower switch
SA4 Fuse 4 in fuse holder A
SA9 Fuse 9 in fuse holder A
SA25 Fuse 25 in fuse holder A
SA32 Fuse 32 in fuse holder A
SA36 Fuse 36 in fuse holder A
SA37 Fuse 37 in fuse holder A
T5m 5-pin connector
T6b 6-pin connector, on left in engine compartment
T10d 10-pin connector, behind dash panel

Wiring Diagram VW POLO 2010 - Brake light switch - Clutch pedal switch - Brake pedal switch - Engine control unit



Wiring Diagram  VW POLO 2010 - Brake light switch - Clutch pedal switch - Brake pedal switch - Engine control unit https://portal-diagnostov.com/license.html
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E227 Cruise control system (CCS) SET button
F Brake light switch
F36 Clutch pedal switch
F47 Brake pedal switch
J623 Engine control unit
T4b 4-pin connector
T4c 4-pin connector
T6k 6-pin connector, on left in engine compartment
T11c 11-pin connector, on left in engine compartment
T41a 41-pin connector
T80a 80-pin connector
  67 Earth point, on left of front cross member
  131 Earth connection 2, in engine compartment wiring harness
  B157 Positive connection 3 (15a), in interior wiring harness
  D101 Connection 1 in engine compartment wiring harness
*Only models with driver and front passenger airbags
*2Only models with multifunction steering wheel
*3Saloon
*4Squareback
*5Up to December 2009

Wiring Diagram VW POLO 2010 - Starter motor relay - X contact relief relay 2 - Engine control unit - Starter motor relay 2



Wiring Diagram  VW POLO 2010 - Starter motor relay - X contact relief relay 2 - Engine control unit - Starter motor relay 2 https://portal-diagnostov.com/license.html
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J53 Starter motor relay
J301 Air conditioning system control unit
J339 X contact relief relay 2
J623 Engine control unit
J695 Starter motor relay 2
T9a 9-pin connector, on left in engine compartment
T9f 9-pin connector
T9g 9-pin connector
T10i 10-pin connector
T11d 11-pin connector, on left in engine compartment
T14a 14-pin connector, on left in engine compartment
T16c 16-pin connector
T80a 80-pin connector
  B515 Positive connection 4 (87), in interior wiring harness
  B608 Connection 4, in interior wiring harness
*Up to December 2009
*2From December 2009

Wiring Diagram VW POLO 2010 - Fuel pump relay - Engine control unit - Fuel supply relay



Wiring Diagram  VW POLO 2010 - Fuel pump relay - Engine control unit - Fuel supply relay https://portal-diagnostov.com/license.html
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J17 Fuel pump relay
J623 Engine control unit
J643 Fuel supply relay
T6b 6-pin connector, on left in engine compartment
T6f 6-pin connector
T10c 10-pin connector
T80a 80-pin connector
  B146 Positive connection 1 (87), in interior wiring harness
  B165 Positive connection 2 (15), in interior wiring harness
  B169 Positive connection 1 (30), in interior wiring harness

Wiring Diagram VW POLO 2010 - Speedometer sender - Engine control unit - Ignition transformer - Spark plug connector - Spark plugs



Wiring Diagram  VW POLO 2010 - Speedometer sender - Engine control unit - Ignition transformer - Spark plug connector - Spark plugs https://portal-diagnostov.com/license.html
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G22 Speedometer sender
J217 Automatic gearbox control unit
J623 Engine control unit
N152 Ignition transformer
P Spark plug connector
Q Spark plugs
T3n 3-pin connector
T4l 4-pin connector
T14a 14-pin connector, on left in engine compartment
T80a 80-pin connector
T80b 80-pin connector
  331 Earth connection, in injection system wiring harness
*Only models with automated manual gearbox

Wiring Diagram VW POLO 2010 - Engine speed sender - Hall sender - Knock sensor 1 - Coolant temperature sender - Engine control unit



Wiring Diagram  VW POLO 2010 - Engine speed sender - Hall sender - Knock sensor 1 - Coolant temperature sender - Engine control unit https://portal-diagnostov.com/license.html
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G28 Engine speed sender
G40 Hall sender
G61 Knock sensor 1
G62 Coolant temperature sender
J623 Engine control unit
T2bi 2-pin connector
T2ce 2-pin connector
T3l 3-pin connector
T3m 3-pin connector
T80a 80-pin connector
  220 Earth connection (sender earth), in engine wiring harness
  E46 Positive connection 1 (5 Volt) in injection system wiring harness

Wiring Diagram VW POLO 2010 - Intake air temperature sender - Intake manifold pressure sender - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4



Wiring Diagram  VW POLO 2010 - Intake air temperature sender - Intake manifold pressure sender - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4 https://portal-diagnostov.com/license.html
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G42 Intake air temperature sender
G71 Intake manifold pressure sender
J623 Engine control unit
N30 Injector, cylinder 1
N31 Injector, cylinder 2
N32 Injector, cylinder 3
N33 Injector, cylinder 4
T2bf 2-pin connector
T2bg 2-pin connector
T2bh 2-pin connector
T2cd 2-pin connector
T4t 4-pin connector
T14a 14-pin connector, on left in engine compartment
T80a 80-pin connector
  E48 Connection (injectors), in injection system wiring harness

Wiring Diagram VW POLO 2010 - Accelerator position sender - Accelerator position sender 2 - Throttle valve drive for electric throttle - Throttle valve drive angle sender 1 for electric throttle - Throttle valve drive angle sender 2 for electric throttle - Engine control unit



Wiring Diagram  VW POLO 2010 - Accelerator position sender - Accelerator position sender 2 - Throttle valve drive for electric throttle - Throttle valve drive angle sender 1 for electric throttle - Throttle valve drive angle sender 2 for electric throttle - Engine control unit https://portal-diagnostov.com/license.html
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G79 Accelerator position sender
G185 Accelerator position sender 2
G186 Throttle valve drive for electric throttle
G187 Throttle valve drive angle sender 1 for electric throttle
G188 Throttle valve drive angle sender 2 for electric throttle
J623 Engine control unit
T6ad 6-pin connector
T6ae 6-pin connector
T11c 11-pin connector, on left in engine compartment
T80a 80-pin connector

Wiring Diagram VW POLO 2010 - Clutch pedal switch for engine start - Lambda probe - Lambda probe after catalytic converter - Engine control unit - Activated charcoal filter solenoid valve 1



Wiring Diagram  VW POLO 2010 - Clutch pedal switch for engine start - Lambda probe - Lambda probe after catalytic converter - Engine control unit - Activated charcoal filter solenoid valve 1 https://portal-diagnostov.com/license.html
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F194 Clutch pedal switch for engine start
G39 Lambda probe
G130 Lambda probe after catalytic converter
J623 Engine control unit
N80 Activated charcoal filter solenoid valve 1
T2ab 2-pin connector
T2dj 2-pin connector
T4ab 4-pin connector
T4u 4-pin connector
T11a 11-pin connector, on left in engine compartment
T11b 11-pin connector, on left in engine compartment
T80a 80-pin connector
  D197 Connection 5 (87a) in engine compartment wiring harness
*From November 2010
*2Up to December 2009
*3From December 2009

Wiring Diagram VW POLO 2010 - Engine control unit



Wiring Diagram  VW POLO 2010 - Engine control unit https://portal-diagnostov.com/license.html
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J104 ABS control unit
J234 Airbag control unit
J301 Air conditioning system control unit
J500 Power steering control unit
J623 Engine control unit
T4ai 4-pin connector
T4i 4-pin connector
T11b 11-pin connector, on left in engine compartment
T16c 16-pin connector
T38a 38-pin connector
T50a 50-pin connector
T80a 80-pin connector
  B229 Connection (high bus), in interior wiring harness
  B230 Connection (low bus), in interior wiring harness
  D159 Connection (high bus), in engine compartment wiring harness
  D160 Connection (low bus), in engine compartment wiring harness

Wiring Diagram VW POLO 2010 - Engine control unit



Wiring Diagram  VW POLO 2010 - Engine control unit https://portal-diagnostov.com/license.html
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E45 Cruise control system switch
E227 Cruise control system (CCS) SET button
J104 ABS control unit
J301 Air conditioning system control unit
J623 Engine control unit
T6k 6-pin connector, on left in engine compartment
T11b 11-pin connector, on left in engine compartment
T11c 11-pin connector, on left in engine compartment
T16c 16-pin connector
T16e 16-pin connector
T38a 38-pin connector
T41a 41-pin connector
T80a 80-pin connector
  B159 Connection (diagnosis), in interior wiring harness
  B185 Connection 2 (54), in interior wiring harness
  B640 Connection 3 (54), in interior wiring harness
  B683 Connection (CCS) in interior wiring harness
  D73 Positive connection (54), in engine compartment wiring harness
*Only models with driver and front passenger airbags
*2Only models with multifunction steering wheel
*3Diagnostic connection
*4Saloon
*5Squareback

Wiring Diagram VW POLO 2010 - Engine control unit



Wiring Diagram  VW POLO 2010 - Engine control unit https://portal-diagnostov.com/license.html
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J623 Engine control unit
T80a 80-pin connector
*Up to December 2009
*2Up to November 2010
*3From November 2010
*4Only models with automated manual gearbox

Wiring Diagram VW POLO 2010 - Heater control unit - Fuel pre-heating heater element - Fuel preheating element 2 - Fuel preheating element 3 - Fuel preheating element 4



Wiring Diagram  VW POLO 2010 - Heater control unit - Fuel pre-heating heater element - Fuel preheating element 2 - Fuel preheating element 3 - Fuel preheating element 4 https://portal-diagnostov.com/license.html
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J65 Heater control unit
T3c 3-pin connector, on left in engine compartment
T5p 5-pin connector
T6ba 6-pin connector
T11a 11-pin connector, on left in engine compartment
T11c 11-pin connector, on left in engine compartment
Z66 Fuel pre-heating heater element
Z108 Fuel preheating element 2
Z109 Fuel preheating element 3
Z110 Fuel preheating element 4
*Up to November 2010
*2Up to December 2009
*3From November 2010

Wiring Diagram VW POLO 2010 - Radiator fan thermal switch - Radiator fan control unit - Radiator fan series resistor - Radiator fan



Wiring Diagram  VW POLO 2010 - Radiator fan thermal switch - Radiator fan control unit - Radiator fan series resistor - Radiator fan https://portal-diagnostov.com/license.html
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F18 Radiator fan thermal switch
J293 Radiator fan control unit
N39 Radiator fan series resistor
T2dg 2-pin connector
T3t 3-pin connector
T3y 3-pin connector
T4aa 4-pin connector
T6ak 6-pin connector
V7 Radiator fan
  12 Earth point, on left in engine compartment
  167 Earth connection 4, in engine compartment wiring harness
  D136 Positive connection 2 (15a), in engine compartment wiring harness
*Up to November 2010
*2From November 2010

Wiring Diagram VW POLO 2010 - Immobiliser reader coil - Fuel gauge sender - Fuel gauge - Fuel system pressurisation pump - Coolant shortage indicator sender - Control unit in dash panel insert - Dash panel insert - Alternator warning lamp - Heater warning lamp



Wiring Diagram  VW POLO 2010 - Immobiliser reader coil - Fuel gauge sender - Fuel gauge - Fuel system pressurisation pump - Coolant shortage indicator sender - Control unit in dash panel insert - Dash panel insert - Alternator warning lamp - Heater warning lamp https://portal-diagnostov.com/license.html
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D2 Immobiliser reader coil
G Fuel gauge sender
G1 Fuel gauge
G6 Fuel system pressurisation pump
G32 Coolant shortage indicator sender
J285 Control unit in dash panel insert
J362 Immobiliser control unit
K Dash panel insert
K2 Alternator warning lamp
K11 Heater warning lamp
K31 Cruise control system warning lamp
K36 Coolant shortage warning lamp
K38 Oil level warning lamp
K43 Coolant temperature warning lamp (too cold)
T2a 2-pin connector
T2t 2-pin connector
T4a 4-pin connector
T6b 6-pin connector, on left in engine compartment
T11a 11-pin connector, on left in engine compartment
T32a 32-pin connector
  327 Earth connection (sender earth), in engine compartment wiring harness
  401 Earth connection (sender earth), in interior wiring harness

Wiring Diagram VW POLO 2010 - Oil pressure switch - Brake fluid level warning contact - Rev. counter - Speedometer - Control unit in dash panel insert - Dash panel insert - Oil pressure warning lamp - Exhaust emissions warning lamp - Reserve fuel warning lamp - Brake system warning lamp



Wiring Diagram  VW POLO 2010 - Oil pressure switch - Brake fluid level warning contact - Rev. counter - Speedometer - Control unit in dash panel insert - Dash panel insert - Oil pressure warning lamp - Exhaust emissions warning lamp - Reserve fuel warning lamp - Brake system warning lamp https://portal-diagnostov.com/license.html
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F22 Oil pressure switch
F34 Brake fluid level warning contact
G5 Rev. counter
G21 Speedometer
J285 Control unit in dash panel insert
K Dash panel insert
K3 Oil pressure warning lamp
K83 Exhaust emissions warning lamp
K105 Reserve fuel warning lamp
K118 Brake system warning lamp
K132 Electronic power control fault lamp
T1f Single connector
T2u 2-pin connector
T8a 8-pin connector
T11a 11-pin connector, on left in engine compartment
T14a 14-pin connector, on left in engine compartment
T32a 32-pin connector


VW POLO 2010 Engine control unit (80-pin) J623

–  near battery -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Engine control unit -J623-
B/C -  80-pin connector, on engine control unit -T80a-

–  near battery -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Engine control unit -J623-
B/C -  121-pin connector, on engine control unit -T121a-

–  in engine compartment, bottom left -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Radiator fan control unit -J293-
B -  6-pin connector, on radiator fan control unit -T6ak-
C -  4-pin connector, on radiator fan control unit -T4aa-

–  in engine compartment, left -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Automatic gearbox control unit -J217-
B -  68-pin connector, on automatic gearbox control unit -T68a-

–  in engine compartment, centre -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Automatic gearbox control unit -J217-
B/C -  80-pin connector, on automatic gearbox control unit -T80b-

–  behind the door trim, front left -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Driver door control unit -J386-
B -  6-pin connector, on control unit driver door -T6y-
C -  8-pin connector, on control unit driver door -T8g-

–  behind the door trim, front right -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Front passenger door control unit -J387-
B -  8-pin connector, on control unit front passenger door -T8i-

–  behind the door trim, rear left -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Rear left door control unit -J388-
B -  8-pin connector, on door control unit, rear left -T8k-

–  behind the door trim, rear right -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Rear right door control unit -J389-
B -  8-pin connector, on door control unit, rear left -T8l-

–  in centre dash panel, under radio -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Heater control unit -J162-
B -  5-pin connector, on heater control unit -Vazio-
C -  16-pin connector, on heater control unit -T16h-
D -  18-pin connector, on heater control unit -Vazio-

–  in centre dash panel, under radio -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Air conditioning system control unit -J301-
B -  5-pin connector, on air conditioning system control unit -T5l/T5m-
C -  16-pin connector, on heater control unit -T16c-
D -  2-pin connector, on heater control unit -T2bo-

–  in centre dash panel, under radio -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Climatronic control unit -J255-
B -  20-pin connector, on Climatronic control unit -T20a-
C -  12-pin connector, on Climatronic control unit -T12j-
D -  16-pin connector, on Climatronic control unit -T16g-

–  near steering column -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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A -  Convenience system central control unit -J393-
B -  12-pin connector, on convenience system central control unit -T12b-
C -  23-pin connector, on convenience system central control unit -T23a-
D -  12-pin connector, on convenience system central control unit -T12c-

–  on steering wheel, left -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
A -  Operating unit in multifunction steering wheel -E221-
B -  6-pin connector, on multifunction steering wheel control unit -T6be-

–  on dash panel, left -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
A -  Control unit with display in dash panel insert -J285-
B -  32-pin connector, on control unit with display in dash panel insert -T32a-
1 -  Immobilizer reader coil
2 -  Terminal 56al
3 -  Terminal 56bl
4 -  Vacant
5 -  Speed signal
6 -  Speedometer sender
7 -  Terminal CAN-Bus low
8 -  Terminal CAN-Bus high
9 -  Terminal CAN-Bus high (convenience)
10 -  Terminal CAN-Bus low (convenience)
11 -  Parking light switch
 -  Turn signal switch
 -  Headlight dipper/flasher switch
 -  Intermittent wiper switch
 -  Multifunction display call-up button
12 -  Parking light switch
 -  Turn signal switch
 -  Headlight dipper/flasher switch
 -  Intermittent wiper switch
 -  Multifunction display call-up button
13 -  Vacant
14 -  Vacant
15 -  Fuel gauge sender
16 -  Coolant shortage indicator sender
17 -  Immobilizer reader coil
18 -  Rear fog light
19 -  Vacant
20 -  Front left belt switch
21 -  Handbrake warning switch
22 -  Oil level warning contact
23 -  Oil pressure switch
24 -  Onboard supply control unit
25 -  Vacant
26 -  Vacant
27 -  Parking light switch
 -  Turn signal switch
 -  Headlight dipper/flasher switch
 -  Intermittent wiper switch
 -  Multifunction display call-up button
28 -  Vacant
29 -  Vacant
30 -  Windscreen washer fluid level sender
31 -  Ambient temperature sensor, sensor earth
32 -  Terminal 31
C -  8-pin connector, on control unit with display in dash panel insert -T8a-
1 -  Brake wear indicator
2 -  Vacant
3 -  Vacant
4 -  Terminal 58R, right parking light
5 -  Terminal 15a
6 -  Terminal 58L, left parking light
7 -  Terminal 30a
8 -  Terminal 31

–  under centre console -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
A -  Airbag control unit -J234-
B -  50-pin connector, on airbag control unit -T50a-

–  in engine compartment, right -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file
A -  ABS control unit -J104-
B -  38-pin connector, on ABS control unit -T38a-

–  in engine compartment, right -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file
A -  ABS control unit -J104-
B -  42-pin connector, on ABS control unit -T42a-

–  behind side trim, in left luggage compartment -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
A -  Parking aid control unit -J446-
B -  12-pin connector, on parking aid control unit -T12f-
C -  16-pin connector, on parking aid control unit -T16a-

–  behind side trim, in right luggage compartment -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
A -  Parking aid control unit -J446-
B -  12-pin connector, on parking aid control unit -T12f-
C -  16-pin connector, on parking aid control unit -T16a-

–  on blower box, centre right, near glove compartment -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
A -  Control and regulating unit for air conditioning system -J127-
B -  6-pin connector, on fresh air blower control unit -T6al-

–  behind the glove compartment -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file
A -  Control unit for interactive system -J879-
B -  16-pin connector, on control unit for interactive system -T16d-

–  next to left steering column -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
A -  Control unit for lighting and wiper functions -J917-
B -  12-pin connector, on control unit for lighting and wiper functions -T12k-
C -  16-pin connector, on control unit for lighting and wiper functions -T16i-

–  in engine compartment, left -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file
A -  Power steering control unit -J500-
B -  3-pin connector, on heated driver seat control unit -Vazio-
C -  2-pin connector, on heated driver seat control unit -T2ct-
D -  4-pin connector, on heated driver seat control unit -T4ai-

–  near interior mirror, on roof-arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file
A -  Sliding sunroof adjustment control unit -J245-
B -  6-pin connector, on sliding sunroof adjustment control unit -T6bb-
C -  6-pin connector, on sliding sunroof adjustment regulator -T6bc-

–  on relay plate, behind the dash panel, left -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
A -  Mirror memory control unit -J267-
B -  18-pin connector, on mirror memory control unit -T18c-

–  on relay plate, dash panel, left -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
A -  Onboard supply control unit -J519-
B -  16-pin connector, on onboard supply control unit -T16b-
1 -  Vacant
2 -  Terminal CAN-Bus low
3 -  Terminal CAN-Bus low
4 -  Vacant
5 -  Terminal CAN-Bus high
6 -  Terminal CAN-Bus high
7 -  Intermittent wiper switch
8 -  Intermittent wiper switch
9 -  Fuel supply relay
10 -  Left turn signal switch
11 -  Control unit with display in dash panel insert
12 -  Turn signal switch
13 -  Anti-theft alarm and vermin repellent system contact switch
14 -  Right turn signal
15 -  Terminal 30a
16 -  Left turn signal
C -  6-pin connector, on onboard supply control unit -T6q-
1 -  Vacant
2 -  Rear lid release switch
3 -  Luggage compartment light switch
4 -  Luggage compartment light switch
 -  Luggage compartment light
5 -  Rear lid remote release button
6 -  Rear lid release switch
D -  18-pin connector, on onboard supply control unit -T18a-
1 -  Diagnosis
2 -  Terminal 75a
3 -  Rear right central locking lock unit
4 -  Front passenger side central locking lock unit
5 -  Terminal 30
6 -  Driver door open switch
7 -  Vacant
8 -  Terminal 31
9 -  Alternator
 -  Voltage regulator
10 -  Vacant
11 -  terminal X
12 -  Terminal 15
13 -  Rear left central locking lock unit
14 -  Ignition/starter switch
15 -  Terminal 53c
16 -  Windscreen wiper motor
17 -  Horn activation contact ring
18 -  Wiper switch
E -  6-pin connector, on onboard supply control unit -Vazio-
F -  18-pin connector, on onboard supply control unit -T18b-
1 -  Terminal 31 (Export models only)
 -  vacant (Brazil models only)
2 -  Vacant
3 -  Vacant
4 -  Vacant
5 -  Vacant
6 -  Vacant
7 -  Rain sensor
8 -  Rain sensor
9 -  Terminal CAN-Bus low (convenience)
10 -  Vacant
11 -  Rain sensor
12 -  Terminal CAN-Bus high (convenience)
13 -  Terminal 31 (Export models only)
 -  vacant (Brazil models only)
14 -  Vacant
15 -  Vacant
16 -  Vacant
17 -  Starter motor relay
18 -  Vacant
G -  6-pin connector, on onboard supply control unit -T6c-
1 -  Vacant
2 -  Terminal 58d
3 -  Hazard warning light switch illumination
4 -  Heated rear window switch
5 -  Heated rear window switch illumination bulb
6 -  Hazard warning lights button
H -  5-pin connector, on onboard supply control unit -T5f-
1 -  Terminal 31
2 -  Horn or dual tone horn
3 -  Terminal 30a
4 -  Heated rear window
5 -  Terminal 30a
I -  5-pin connector, on onboard supply control unit -T5d-
1 -  Interior lights
2 -  Terminal 31a
3 -  Terminal 30a
4 -  Windscreen wiper motor
5 -  Windscreen wiper motor
J -  6-pin connector, on onboard supply control unit -T6t-
1 -  Mirror adjustment change-over switch
 -  Mirror adjustment switch
2 -  Driver side heated exterior mirror
3 -  Vacant
4 -  Front passenger side heated exterior mirror
5 -  Vacant
6 -  Terminal 30a
K -  6-pin connector, on onboard supply control unit -T6m-
1 -  Terminal 30a
2 -  Vacant
3 -  Vacant
4 -  Terminal 30a
5 -  Vacant
6 -  Terminal 30
L -  6-pin connector, on onboard supply control unit -T6u-
1 -  Terminal 15a
2 -  Reversing light
3 -  Vacant
4 -  Vacant
5 -  Rear lid release motor
6 -  Terminal 30a

–  near interior lighting -arrow-
 
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Designation of connector:
VW POLO 2010 Engine control unit (80-pin) J623 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
A -  Mirror memory control unit -J347-
B -  8-pin connector, on mirror memory control unit -T8d-

   
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