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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:

Schematic diagram - coolant hoses, Golf and Golf Estate
  Note The schematic diagram for the entire coolant circuit can be found in the repair group 19 → Rep. gr.19. Topping up coolant and bleeding coolant circuit → Rep. gr.19 and →&nb ...

Removing and installing remote release operating mechanism for seat backrest
  Note Removal and installation are described for the left vehicle side. Follow same instructions for the right side as appropriate. Removing –  Pull and hold operating mechanism to remotely release seat backrest -1-. – ...

Installing roof reinforcement to body, estate without sliding sunroof
Special tools and workshop equipment required         Electric cutter -V.A.G 1561A     Scraping blade -V.A.G 1561/20     ...

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