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Volkswagen Golf Service & Repair Manual: Removing and installing digital sound package control unit -J525

Volkswagen Golf Service & Repair Manual / Communication / Infotainment / Sound system / Removing and installing digital sound package control unit -J525

Special tools and workshop equipment required
   
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.
Removing
–  Switch off ignition and all electrical consumers, and remove ignition key.
–  Remove luggage compartment floor
 

Removing and installing digital sound package control unit -J525

–  Release strap -1- and then release and unplug connectors -2- on digital sound package control unit -J525-.
 

Removing and installing digital sound package control unit -J525

–  Push protective cap for cable connector -VAS 6223/9--1- onto connector of MOST bus -2-.
–  Remove digital sound package control unit -J525-
Installing
Install in the reverse order of removal. When doing this, note the following:
 

Removing and installing digital sound package control unit -J525

Digital sound package control unit -J525-, vehicles with Dynaudio
Special tools and workshop equipment required     Torque wrench -V.A.G 1783-   ...

Removing and installing retainer for digital sound package control unit -J525-
Special tools and workshop equipment required     Torque wrench -V.A.G 1783- Removin ...

Other materials:

Overview of fitting locations – fuse box, battery (vehicles with high-voltage system)
1 -  Battery -A- Removing and installing → Chapter Disconnecting and connecting → Chapter 2 -  Bolt 3.5 Nm 3 -  Nut 7.5 Nm ...

Starting conditions for auxiliary heater, auxiliary heater mode
  Auxiliary heater coded in Gateway Reserve fuel level not reached No crash shut-off No event entries blocking start procedure Has been put into servic ...

Perform battery test with battery tester with printer -VAS 6161-.
  WARNING Danger of injury! Observe warning notices and safety regulations → Chapter! Special tools and workshop equipment required   ...

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