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Steering wheel button control adapter for Audi / Seat / Skoda / VW ACV SWC 42A-1324-001-0

steering wheel adapter for Audi A1 (8X) (07/10->04/18), A3 (8P) (05/03->04/05, 10/04->04/13), A4 B6 (8E) (11/00->10/05), A4 B7 (8E) (11/04->02/09), A5 (8T/8F) (06/07->10/11), A6 (C5/B4) (05/01->03/06), Q3 (8U) (10/11->11/14, 02/15->06/18), Q5 (8R) (09/08->05/12, 09/12->01/17), R8 (42) (04/07->05/15), TT (8J) (04/06->04/10, 08/10->03/14), Seat Alhambra (7N) (10/10->04/15), Altea (5P) (06/04->03/09, 04/09->07/15), Exeo (3R) (03/09->05/13), Ibiza (6J) (06/08->02/12, 03/12->06/15), Leon (1P) (09/05->03/09, 04/09->11/12), Mii (AA) (12/11->06/19), Toledo (5P) (01/05->10/09), Toledo (NH) (03/13->05/15), Skoda Citigo (AA) (06/12->05/17), Fabia (5J) (03/07->04/10, 06/10->06/14), Octavia (1Z) (06/04->05/09, 01/09->03/13), Rapid (NH) (10/12->04/15), Roomster (5J) (09/06->04/10, 06/10->02/15), Superb (3T) (07/08->05/13, 06/13->05/15), Yeti (5L) (08/09->10/13), VW Amarok (2H) (07/10->08/16), Beetle (16) (11/11->06/16), Caddy III (2K) (10/03->08/10, 09/10->04/15), Caddy IV (DU) (06/15->09/20), Caravelle (7H) (10/04->09/09, 09/09->05/15), CC (3C/35) (06/08->11/11, 02/12->08/16), Eos (1F) (05/06->10/10, 10/10->04/15), Fox (5Z) (04/05->06/11), Golf V (1K) (11/03->09/08), Golf V (1KM) (06/07->10/09), Golf V Plus (1KP) (01/05->02/09), Golf VI (1K) (11/08->09/12, 06/11->07/16), Golf VI (1KM) (11/09->04/13), Golf VI Plus (1KP) (03/09->01/14), Jetta III (1K5/1KM) (09/05->10/10), Jetta IV (162) (01/11->08/14), Multivan (7H) (10/04->09/09, 09/09->05/15), Passat B6 (3C2) (11/05->07/10), Passat B6 (3C5) (08/05->07/10), Passat B7 (3C/362) (11/10->10/14), Phaeton (3D) (05/07->05/10), Polo IV (9N) (03/05->03/09), Polo V (6R) (06/09->01/14), Scirocco III (13) (08/08->04/14), Sharan II (7N) (08/10->04/15), T5 Transporter (7H) (08/03->09/09, 09/09->05/15), T6 (7HC) (07/15->08/19), Tiguan I (5N) (10/07->02/11, 06/11->04/16), Touareg I (7L) (06/03->11/06, 11/06->02/10), Touran (1T) (01/03->09/06, 11/06->04/10, 08/10->04/15) and UP! (AA) (12/11->06/16)
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Steering wheel button control adapter for Audi / Seat / Skoda / VW ACV SWC 42A-1324-001-0

Steering wheel button control adapter for Audi / Seat / Škoda / VW ACV SWC 42A-1324-001-0

Retain the original steering wheel radio control functions when replacing the factory radio with an aftermarket unit. Depending on the vehicle equipment, range of functions and the software of the newly installed head unit, some functions may be limited or replaced by others. Compare the shown wiring connectors with the connectors in your vehicle and make sure they match both technically and visually. Check whether one of the listed OEM head units was originally installed. Before final installation verify vehicle functions, system settings and correct operation of the steering wheel control (SWC).

Designed for vehicles

  • Audi A1 [8X] (07/2010 > 04/2018) - vehicles with Chorus OEM unit with monochrome display.
  • Audi A3 [8P] (05/2003 > 04/2005) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Audi A3 [8P] (10/2004 > 04/2013) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Audi A4 B6 [8E] (11/2000 > 10/2005) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Audi A4 B7 [8E] (11/2004 > 02/2009) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Audi A5 [8T/8F] (06/2007 > 10/2011) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Audi A6 [C5/B4] (05/2001 > 03/2006) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Audi Q3 [8U] (10/2011 > 11/2014) - vehicles with Chorus OEM unit with monochrome display.
  • Audi Q3 [8U] (02/2015 > 06/2018) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Audi Q5 [8R] (09/2008 > 05/2012) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Audi Q5 [8R] (09/2012 > 01/2017) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Audi R8 [42] (04/2007 > 05/2015) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Audi TT [8J] (04/2006 > 04/2010) - vehicles with 2-DIN OEM device and OEM audio system CAN activation.
  • Audi TT [8J] (08/2010 > 03/2014) - vehicles with 2-DIN OEM device and OEM audio system CAN activation.
  • Seat Alhambra [7N] (10/2010 > 04/2015) - original OEM head unit.
  • Seat Altea [5P] (06/2004 > 03/2009) - original OEM head unit.
  • Seat Altea [5P] (04/2009 > 07/2015) - original OEM head unit.
  • Seat Exeo [3R] (03/2009 > 05/2013) - vehicles with 2-DIN OEM device and OEM audio system item: 13-1424-25.
  • Seat Ibiza [6J] (06/2008 > 02/2012) - original OEM head unit.
  • Seat Ibiza [6J] (03/2012 > 06/2015) - original OEM head unit.
  • Seat Leon [1P] (09/2005 > 03/2009) - original OEM head unit.
  • Seat Leon [1P] (04/2009 > 11/2012) - original OEM head unit.
  • Seat Mii [AA] (12/2011 > 06/2019) - vehicles without OEM audio system.
  • Seat Toledo [5P] (01/2005 > 10/2009) - original OEM head unit.
  • Seat Toledo [NH] (03/2013 > 05/2015) - original OEM head unit.
  • Škoda Citigo [AA] (06/2012 > 05/2017) - vehicles without OEM audio system.
  • Škoda Fabia [5J] (03/2007 > 04/2010) - original OEM head unit.
  • Škoda Fabia [5J] (06/2010 > 06/2014) - original OEM head unit.
  • Škoda Octavia [1Z] (06/2004 > 05/2009) - original OEM head unit.
  • Škoda Octavia [1Z] (01/2009 > 03/2013) - original OEM head unit.
  • Škoda Rapid [NH] (10/2012 > 04/2015) - original OEM head unit.
  • Škoda Roomster [5J] (09/2006 > 04/2010) - original OEM head unit.
  • Škoda Roomster [5J] (06/2010 > 02/2015) - original OEM head unit.
  • Škoda Superb [3T] (07/2008 > 05/2013) - original OEM head unit.
  • Škoda Superb [3T] (06/2013 > 05/2015) - original OEM head unit.
  • Škoda Yeti [5L] (08/2009 > 10/2013) - original OEM head unit.
  • VW Amarok [2H] (07/2010 > 08/2016) - original OEM head unit.
  • VW Beetle [16] (11/2011 > 06/2016) - original OEM head unit.
  • VW Caddy III [2K] (10/2003 > 08/2010) - original OEM head unit.
  • VW Caddy III [2K] (09/2010 > 04/2015) - original OEM head unit.
  • VW Caddy IV [DU] (06/2015 > 09/2020) - vehicles with Composition Audio MIB Entry OEM unit with front AUX/SD/USB.
  • VW Caravelle [7H] (10/2004 > 09/2009) - vehicles with OEM audio system item: 13-1424-26.
  • VW Caravelle [7H] (09/2009 > 05/2015) - vehicles with OEM audio system item: 13-1424-26.
  • VW CC [3C/35] (06/2008 > 11/2011) - original OEM head unit.
  • VW CC [3C/35] (02/2012 > 08/2016) - original OEM head unit.
  • VW Eos [1F] (05/2006 > 10/2010) - original OEM head unit.
  • VW Eos [1F] (10/2010 > 04/2015) - original OEM head unit.
  • VW Fox [5Z] (04/2005 > 06/2011) - original OEM head unit.
  • VW Golf V [1K] (11/2003 > 09/2008) - original OEM head unit.
  • VW Golf V [1KM] (06/2007 > 10/2009) - original OEM head unit.
  • VW Golf V Plus [1KP] (01/2005 > 02/2009) - original OEM head unit.
  • VW Golf VI [1K] (11/2008 > 09/2012) - original OEM head unit.
  • VW Golf VI [1KM] (11/2009 > 04/2013) - original OEM head unit.
  • VW Golf VI [1K] (06/2011 > 07/2016) - original OEM head unit.
  • VW Golf VI Plus [1KP] (03/2009 > 01/2014) - original OEM head unit.
  • VW Jetta III [1K5/1KM] (09/2005 > 10/2010) - original OEM head unit.
  • VW Jetta IV [162] (01/2011 > 08/2014) - original OEM head unit.
  • VW Multivan [7H] (10/2004 > 09/2009) - vehicles with OEM audio system item: 13-1424-26.
  • VW Multivan [7H] (09/2009 > 05/2015) - vehicles with OEM audio system item: 13-1424-26.
  • VW Passat B6 [3C2] (11/2005 > 07/2010) - original OEM head unit.
  • VW Passat B6 [3C5] (08/2005 > 07/2010) - original OEM head unit.
  • VW Passat B7 [3C/362] (11/2010 > 10/2014) - original OEM head unit.
  • VW Phaeton [3D] (05/2007 > 05/2010) - original OEM head unit.
  • VW Polo IV [9N] (03/2005 > 03/2009) - original OEM head unit.
  • VW Polo V [6R] (06/2009 > 01/2014) - original OEM head unit.
  • VW Scirocco III [13] (08/2008 > 04/2014) - original OEM head unit.
  • VW Sharan II [7N] (08/2010 > 04/2015) - original OEM head unit.
  • VW T5 Transporter [7H] (08/2003 > 09/2009) - vehicles with OEM audio system item: 13-1424-26.
  • VW T5 Transporter [7H] (09/2009 > 05/2015) - vehicles with OEM audio system item: 13-1424-26.
  • VW T6 [7HC] (07/2015 > 08/2019) - vehicles with Composition Audio MIB Entry OEM unit with front AUX/SD/USB.
  • VW Tiguan I [5N] (10/2007 > 02/2011) - original OEM head unit.
  • VW Tiguan I [5N] (06/2011 > 04/2016) - original OEM head unit.
  • VW Touareg I [7L] (06/2003 > 11/2006) - vehicles with OEM audio system item: 13-1424-26.
  • VW Touareg I [7L] (11/2006 > 02/2010) - vehicles with OEM audio system item: 13-1424-26.
  • VW Touran [1T] (01/2003 > 09/2006) - original OEM head unit.
  • VW Touran [1T] (11/2006 > 04/2010) - original OEM head unit.
  • VW Touran [1T] (08/2010 > 04/2015) - original OEM head unit.
  • VW UP! [AA] (12/2011 > 06/2016) - vehicles without OEM audio system.

CAN Bus information

Connectors and power:

  • Connector: 40-pin VAG Quadlock (item: 42cx25).

Settings:

  • Check DIP switches on the aftermarket head unit (HU).
  • CAN Bus activation of the OEM audio system is supported.

Compatibility and special cases:

  • Audi / Seat Exeo with OEM units Blaupunkt / Matsushita / Grundig Concert II / Symphony II / Chorus II 2-DIN, Bosch BNS 5.0 (monochrome), RNS-E 16:9.
  • Vehicles without a 52-pin Quadlock connector are not supported.
  • Audi vehicles without the MMI system.
  • VW with DynAudio OEM system: +12 V REMOTE for amplifier on connector D(A) pin 11 (verify by measurement before connecting).

Vehicles with OEM audio system – recommended adapters:

  • Audi / Seat Exeo: Quadlock Amp 2/4 channel RCA (item: 42a-1321-002), Quadlock Amp 2/4 channel Pro (item: 42a-1321-006), Active system adapter Audi/VW Quadlock MQS (item: 13-1424-25).
  • VW T5 / Touareg / Caravelle / Multivan: Active system adapter VW T5/Touareg Quadlock MQS (item: 13-1424-26).

Available signals from the interface:

  • Pink: +12 V ignition terminal 15 (max. 1.5 A).
  • Orange: +12 V illumination terminal 58 (max. 0.1 A).
  • White: +12 V reverse signal (max. 1.5 A).
  • Yellow/green, yellow/red: speed pulse.
  • Gray: no interface function.
  • Gray: 40-pin Quadlock pin 11 +12 V AMP Remote for DynAudio OEM system.

Diagnostic LED indication:

  • Blue blinking: CAN Bus searching.
  • Blue steady: CAN Bus active.
  • Red steady: +12 V ignition power active.

Important additional information

  • Intended for aftermarket head units from Alpine, Blaupunkt, Clarion, Digital Dynamics, ESX, JVC, Kenwood, Pioneer, Snooper, Sony, XZent, Zenec and others (multilead solutions).
  • A connection cable specific to the head unit brand must be ordered for full adapter activation.

General installation instructions

Pre-installation checks:

  1. Check all control functions and vehicle settings with the original OEM head unit.
  2. Remove the original radio (OEM HU) with the power off.
  3. Check all interface connections for correct wiring – with power off.

Connection and wiring sequence:

  1. Perform interface hardware configuration and settings with the power off.
  2. Check the configuration of the connection cable to the HU.
  3. Connect the cable to the HU according to the aftermarket device instructions.
  4. Connect the other wires according to the device instructions.
  5. Connect the entire installation to the vehicle – connect the main power last.
  6. Perform the interface software configuration according to the product description and the user manual (BDA).
  7. Configure the aftermarket HU (steering wheel control, camera, handsfree, antenna power and others).
  8. Perform a functional test of the steering wheel control and communication with the vehicle.

Changing interface configuration and HU cable:

  • Make all changes with the power off.
  • After changes repeat steps 5 to 8 listed above.

In case of interface or vehicle system malfunction:

  • Reinstall the original OEM HU into the vehicle.
  • Start the original unit.
  • Allow the CAN Bus system to settle (go to sleep).
  • Check the hardware configuration of the interface.
  • After CAN Bus has settled repeat steps 5 to 8 listed above.

When modifying wiring or cable routing:

  • Wiring and modifications may only be performed by professionally trained personnel.
  • All changes must be verified in terms of manufacturer approval or impact on vehicle warranty before connecting.
  • All modifications must be verified by measurement and comparison with the vehicle wiring diagram before connecting.
  • Modifications are carried out at your own risk, without guarantee of functionality.
  • Modifications are at your own risk, without guarantee against vehicle, device or interface damage.
  • Pre-modified harnesses may result in loss of product warranty.
Catalog number42A-1324-001-0
BrandACV
LinksOfficial web presentation

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