Volkswagen Golf Service & Repair Manual: Digital sound package control unit -J525-, vehicles with Dynaudio

Volkswagen Golf Service & Repair Manual / Communication / Infotainment / Sound system / Digital sound package control unit -J525-, vehicles with Dynaudio

Special tools and workshop equipment required

Torque wrench -V.A.G 1783-

Digital sound package control unit -J525-, vehicles with Dynaudio

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

–	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.

Digital sound package control unit -J525-, vehicles with Dynaudio

–	Pull out spreader rivets -2-, slide cover -1- straight in direction of travel and remove it.

Digital sound package control unit -J525-, vehicles with Dynaudio

–	Release and unplug connector -3- on digital sound package control unit -J525--1-.

Digital sound package control unit -J525-, vehicles with Dynaudio

–	Push protective cap for cable connector -VAS 6223/9--1- onto connector of MOST bus -2-.

Digital sound package control unit -J525-, vehicles with Dynaudio

–	Release and unplug connector -4- on digital sound package control unit -J525--1-.

–	Remove bolts -2-.

–	Swing digital sound package control unit -J525--1- out of retainer.

Installing

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.

Digital sound package control unit -J525-, vehicles with Dynaudio

Specified torques

Component	Specified torque
Bolts -2- on retainer	3 Nm

Electrical connectors on digital sound package control unit -J525-

1 -	Multi-pin connector, 38-pin

2 -	MOST bus, 2-pin

Digital sound package control unit -J525-, vehicles with Dynaudio

Digital sound package control unit -J525-, vehicles with Volkswagen sound system

Special tools and workshop equipment required Torque wrench -V.A.G 1783- ...

Removing and installing digital sound package control unit -J525

Special tools and workshop equipment required Protective cap for wiring harness connector -VAS 6223/9- ...

Other materials:

Overview of fitting locations - components not located in passenger compartment, Golf RHD
1 - Exhaust ventilation for passenger compartment Checking → Chapter Removing and installing → Chapter 2 - Fresh air intake Removing and installing → ...

Assembly overview - manually operated anti-dazzle interior mirror, without rain and light sensor -G397- and front camera for driver assist systems -R242-
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Round connector systems
Note If necessary, any housing catches in place (secondary locking mechanisms) must be released or removed prior to disengaging the contacts using the prescribed tool → Chapter. ...