Using the same torque wrench -V.A.G 1783- and protective cap -VAS 6223/9-, this page covers control unit -J525- on Dynaudio-equipped models.
| Special tools and workshop equipment
required |
|
|
|
| Torque wrench -V.A.G 1783- |
|
|
|
| Protective cap for wiring harness connector -VAS 6223/9- |
| If the control unit is replaced, select the
Replace function of the respective
control unit in Guided fault finding
→ Vehicle diagnostic tester. |
| – |
Move front seat to rearmost using longitudinal adjustment
mechanism and raise to highest position. |
| – |
Switch off ignition and all electrical consumers, and remove
ignition key. |
|
|
|
| – |
Pull out spreader rivets -2-,
slide cover -1- straight in
direction of travel and remove it. |
|
|
|
| – |
Release and unplug connector -3-
on digital sound package control unit -J525--1-. |
|
|
|
| – |
Push protective cap for cable connector -VAS 6223/9--1-
onto connector of MOST bus -2-. |
|
|
|
| – |
Release and unplug connector -4-
on digital sound package control unit -J525--1-. |
| – |
Swing digital sound package control unit -J525--1-
out of retainer. |
| Install in the reverse order of removal. When doing this,
note the following: |
 Note
| When installing, ensure that the digital sound package
control unit -J525- is seated correctly in the groove of the
retainer. |
| When installing the cover, ensure that it is properly fitted
on the front edge of the retainer. |
|
|
|
| Component |
Specified torque |
| Bolts -2-
on retainer |
3 Nm |
| Electrical connectors on digital sound package control unit
-J525- |
| 1 - |
Multi-pin connector, 38-pin |
|
|
|
Questions & answers
Digital sound package control unit -J525-, vehicles with Dynaudio — Volkswagen Golf Mk7
Where is the Golf Mk7 Dynaudio amplifier -J525-?
In the boot area, typically on the left side. Larger unit than the VW system amplifier.
Special tools and workshop equipment
required
Torque wrench -V.A.G 1783-
...
Special tools and workshop equipment
required
Protective cap for wiring harness connector -VAS 6223/9-
...
Digital sound package control unit -J525-, vehicles with Volkswagen sound
system
Removing and installing digital sound package control unit -J525