Volkswagen Golf Service & Repair Manual: Removing and installing control unit 1 for information electronics -J794-

Volkswagen Golf Service & Repair Manual / Communication / Infotainment / Infotainment system / Removing and installing control unit 1 for information electronics -J794-

Special tools and workshop equipment required

Radio release tool -T10057-

Removing and installing control unit 1 for information electronics -J794-

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.

–	Open glove compartment.

–	Eject any data medium that is still in control unit 1 for information electronics -J794-.

Removing and installing control unit 1 for information electronics -J794-

–	Insert 2 radio release tools -T10057- into slots in control unit 1 for information electronics -J794--1- until they engage.

The pointed projections on the grip rings point outwards.

–	Grasp hold of grips on radio release tool -T10057- and pull control unit 1 for information electronics -J794--1- out of dash panel.

–	Release and unplug connectors at control unit 1 for information electronics -J794--1-.

Version with digital sound package control unit -J525-

Removing and installing control unit 1 for information electronics -J794-

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

All versions

–	Press locking lugs on control unit 1 for information electronics -J794- and pull out radio release tool -T10057-.

Installing

Install in the reverse order of removal. When doing this, note the following:

–	Slide control unit 1 for information electronics -J794- into glove box until it engages.

Removing and installing control unit 1 for information electronics -J794-

Removing and installing infotainment system display

Special tools and workshop equipment required Removal wedge -3409- ...

Sound system

...

Other materials:

Removing and installing underbody heat shield
Note The removal and installation procedures may have to be modified slightly depending on engine fitted. Removing – Removing centre underbody panel → Chapter. – Removing front tunnel cross-piec ...

Displays
First read and observe the introductory information and safety warnings Display Solution ProActive occupant protection not available Go to a qualified workshop and have the system checked. ProActive occupant protection: function re ...

Assembly overview - sun visors
Note The assembly overview is shown for the driver side. The assembly overview for the front passenger side is analogous. 1 - Sun visor Removing and installing → Chapter 2 - Sun visor mount ...