VW Golf Mk7 manualsGolf Mk7 / manual

Volkswagen Golf Mk7 Service & Repair Manual: Removing and installing control unit 1 for information electronics -J794-

Using radio release tool -T10057- and protective cap -VAS 6223/9-, this page covers removing information electronics control unit -J794- — select "Replace" via the diagnostic tester if renewing it.

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-

    Questions & answers

    Removing and installing control unit 1 for information electronics -J794- — Volkswagen Golf Mk7

    How do I remove the Golf Mk7 infotainment control unit -J794-?
    Remove the display. Unbolt -J794- from behind the dash panel. A new unit must be coded with the vehicle configuration.
    Removing and installing infotainment system display
    Special tools and workshop equipment required     Removal wedge -3409-   ...

    Sound system
    ...