Wiring Diagram AUDI A3 CABRIOLET 2010 - Connection 1 (powertrain CAN bus - high) - in main wiring harness - Connection 1 (powertrain CAN bus - low) - in main wiring harness
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https://portal-diagnostov.com/license.html
Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO
| J500 | Power steering control unit |
| J623 | Engine control unit |
| J743 | Mechatronic unit for dual clutch gearbox |
| T3w | 3-pin connector |
| T5 | 5-pin connector |
| T6 | 6-pin connector |
| T20e | 20-pin connector |
| T25 | 25-pin connector |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| * | From May 2008 |
| *2 | see applicable current flow diagram for engine |
| *3 | Only models with dual clutch gearbox 0AM |
| *4 | Only models with dual clutch gearbox 02E |
| *5 | Up to April 2008 |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Connection (high bus) - in interior wiring harness - Connection (low bus) - in interior wiring harness - Connection 1 (powertrain CAN bus - high) - in main wiring harness - Connection 1 (powertrain CAN bus - low) - in main wiring harness
Wiring Diagram AUDI A3 CABRIOLET 2010 - Connection 1 (powertrain CAN bus - high) - in main wiring harness - Connection 2 (powertrain CAN bus - high) - in main wiring harness - Connection 1 (powertrain CAN bus - low) - in main wiring harness - Connection 2 (powertrain CAN bus - low) - in main wiring harness - Connection 3 (LIN bus) in main wiring harness
| C | Alternator |
| J104 | ABS control unit |
| J367 | Battery monitor control unit |
| J527 | Steering column electronics control unit |
| J533 | Data bus diagnostic interface |
| T20b | 20-pin connector |
| T20d | 20-pin connector |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B384 | Connection 2 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B391 | Connection 2 (powertrain CAN bus, low), in main wiring harness |
| B698 | Connection 3 (LIN bus) in main wiring harness |
| * | Only models with ABS and TCS |
| *2 | Only models with ABS/ ABS and ESP |
| *3 | see applicable current flow diagram |
| *4 | Only right-hand drive models |
| *5 | Only models with energy recovery |
| *6 | Only models with start/stop system |
| *7 | Only models with battery in engine compartment |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Connection 2 (powertrain CAN bus - high) - in main wiring harness - Connection 2 (powertrain CAN bus - low) - in main wiring harness
Wiring Diagram AUDI A3 CABRIOLET 2010 - Connection 1 (convenience CAN bus - high) - in main wiring harness - Connection 1 (convenience CAN bus - low) - in main wiring harness
Wiring Diagram AUDI A3 CABRIOLET 2010 - Connection 1 (convenience CAN bus - high) - in main wiring harness - Connection 1 (convenience CAN bus - low) - in main wiring harness
| J386 | Driver door control unit |
| J387 | Front passenger door control unit |
| J533 | Data bus diagnostic interface |
| T18c | 18-pin connector |
| T18d | 18-pin connector |
| T20 | 20-pin connector, on lower section of left A-pillar |
| T20a | 20-pin connector, on lower section of right A-pillar |
| T20f | 20-pin connector |
| T20g | 20-pin connector |
| V26 | Rear left window regulator motor |
| V27 | Rear right window regulator motor |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| * | Only left-hand drive models |
| *2 | From May 2008 |
| *3 | Up to April 2008 |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Connection 1 (convenience CAN bus - high) - in main wiring harness - Connection 1 (convenience CAN bus - low) - in main wiring harness
| J386 | Driver door control unit |
| J387 | Front passenger door control unit |
| J533 | Data bus diagnostic interface |
| T18c | 18-pin connector |
| T18d | 18-pin connector |
| T20 | 20-pin connector, on lower section of left A-pillar |
| T20a | 20-pin connector, on lower section of right A-pillar |
| T20f | 20-pin connector |
| T20g | 20-pin connector |
| V26 | Rear left window regulator motor |
| V27 | Rear right window regulator motor |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| * | Only right-hand drive models |
| *2 | From May 2008 |
| *3 | Up to April 2008 |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Connection 1 (convenience CAN bus - high) - in main wiring harness - Connection 1 (convenience CAN bus - low) - in main wiring harness - Connection 1 (LIN bus) in main wiring harness - Connection 2 (LIN bus) in main wiring harness
| G273 | Interior monitoring sensor |
| G397 | Rain and light sensor |
| H12 | Alarm horn |
| J393 | Convenience system central control unit |
| J400 | Wiper motor control unit |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| T6g | 6-pin connector |
| T8h | 8-pin connector |
| T12e | 12-pin connector |
| T18 | 18-pin connector |
| T20d | 20-pin connector |
| T52b | 52-pin connector |
| T52c | 52-pin connector |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| B528 | Connection 1 (LIN bus) in main wiring harness |
| B549 | Connection 2 (LIN bus) in main wiring harness |
| * | Up to April 2009 |
| *2 | Only models with automatic driving lights control |
| *3 | For models with anti-theft alarm system |
| *4 | From May 2009 |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Connection 1 (infotainment CAN bus - high) - in main wiring harness - Connection 1 (infotainment CAN bus - low) - in main wiring harness
Wiring Diagram AUDI A3 CABRIOLET 2010 - Connection 1 (infotainment CAN bus - high) - in main wiring harness - Connection 1 (infotainment CAN bus - low) - in main wiring harness - Connection 1 (dash panel insert CAN bus high) in main wiring harness - Connection 1 (dash panel insert CAN bus low) in main wiring harness - Connection 1 (CAN bus diagnosis - high) - in main wiring harness - Connection 1 (CAN bus diagnosis - low) - in main wiring harness
| J285 | Control unit in dash panel insert |
| J533 | Data bus diagnostic interface |
| R36 | Telephone transmitter and receiver unit |
| T16 | 16-pin connector |
| T20d | 20-pin connector |
| T32 | 32-pin connector |
| T54 | 54-pin connector |
| B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
| B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
| B708 | Connection 1 (dash panel insert CAN bus high) in main wiring harness |
| B709 | Connection 1 (dash panel insert CAN bus low) in main wiring harness |
| B713 | Connection 1 (CAN bus diagnosis, high), in main wiring harness |
| B714 | Connection 1 (CAN bus diagnosis, low), in main wiring harness |
| * | Gradually discontinued |
| *2 | Up to April 2009 |
| *3 | From May 2009 |
AUDI A3 CABRIOLET 2010 Overview of control units
Overview of control units | | | | 1 - | Wiper motor control unit -J400- |
| 1 - | Battery monitor control unit -J367- |
| q | for models with battery in engine compartment only |
| 2 - | Mechatronic unit for dual clutch gearbox -J743- |
| q | Location for dual clutch gearbox (02E) → chapter |
| q | Location for dual clutch gearbox (0AM) → chapter |
| q | Connector assignment for dual clutch gearbox (02E) → chapter |
| q | Connector assignment for dual clutch gearbox (0AM) → chapter |
| 3 - | Power steering control unit -J500- |
| 4 - | Left gas discharge light control unit -J343- |
| 4 - | Power output module for left headlight -J667- |
| 5 - | Garage door operation control unit -J530- |
| 6 - | Radiator fan control unit -J293- |
| 7 - | Engine control unit -J623- |
| 8 - | Right gas discharge light control unit -J344- |
| 8 - | Power output module for right headlight -J668- |
| 9 - | Auxiliary heater control unit -J364- |
| q | under the longitudinal member on front right |
| 10 - | ABS control unit -J104- |
| Battery monitor control unit -J367- | | | |
| on battery -2- in left of engine compartment | | | |
AUDI A3 CABRIOLET 2010 Wiper motor control unit J400Wiper motor control unit -J400- |
| in plenum chamber atwindscreen wiper motor -V- | | | |
AUDI A3 CABRIOLET 2010 Mechatronic unit for dual clutch gearbox J743Mechatronic unit for dual clutch gearbox -J743- |
| | |
| A - | Mechatronic unit for dual clutch gearbox -J743- |
| B - | 20-pin connector -T20e- |
AUDI A3 CABRIOLET 2010 Mechatronic unit for dual clutch gearbox J743Mechatronic unit for dual clutch gearbox -J743- |
| | |
| - | Mechatronic unit for dual clutch gearbox -J743- |
| A - | 25-pin connector -T25- |
AUDI A3 CABRIOLET 2010 Power steering control unit J500Power steering control unit -J500- |
| | |
| A - | Power steering control unit -J500- |
| C - | 5-pin connector -T5a- |
| D - | 2-pin connector -T2a- |
AUDI A3 CABRIOLET 2010 Left gas discharge light control unit J343 / Right gas discharge light control unit J344Left gas discharge light control unit -J343-/Right gas discharge light control unit -J344- |
| | |
AUDI A3 CABRIOLET 2010 Garage door operation control unit J530Garage door operation control unit -J530- |
| | |
| - | Garage door operation control unit -J530- |
| A - | 4-pin connector -T4ak- |
AUDI A3 CABRIOLET 2010 Radiator fan control unit J293Radiator fan control unit -J293- |
| | |
| on motor forradiator fan -V7- | | | |
AUDI A3 CABRIOLET 2010 Engine control unit J623Engine control unit -J623- |
| central in plenum chamber -arrow- | | | |
| Connector assignment, 121 pin: |
| A - | Engine control unit -J623- |
| B - | 81-pin connector -T81- |
| C - | 40-pin connector -T40- |
Note
| -T121- is made up of items B and C. |
| Connector assignment, 154 pin: |
| A - | Engine control unit -J623- |
| B - | 94-pin connector -T94- |
| C - | 60-pin connector -T60- |
AUDI A3 CABRIOLET 2010 ABS control unit J104ABS control unit -J104- |
| | |
| On bulkhead, in engine compartment, right -arrow- | | | |
| A - | ABS control unit (MK60) -J104- |
| A - | ABS control unit (MK70) -J104- |
AUDI A3 CABRIOLET 2010 Auxiliary heater control unit J364
| Auxiliary heater control unit -J364- |
| 1 - | Auxiliary heater control unit -J364- |
| 2 - | 2-pin connector -T2v- |
| 3 - | 2-pin connector -T2x- |
| 5 - | 4-pin connector -T4u- |
| 6 - | 8-pin connector -T8r- |
| 7 - | 3-pin connector -T3j- |
| 8 - | 8-pin connector -T8q- |
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