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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:

Is the smell coming from evaporator or the heat exchanger?
Fishy smell –  Due to leak in engine's cooling system or in heat exchanger of heater and air conditioner unit.   Note If the fishy smell is weaker when the temperature is set to “cold” or st ...

Overview of fitting locations - front keyless entry system, LHD vehicles
1 -  Front passenger door exterior handle With front passenger door exterior handle contact sensor -G416-. Removing and installing → Chapter With front passenger side aerial for entry and start system -R135-. Removing ...

Towing a trailer
Fig. 154 ParkPilot screen display when towing a trailer (colour) First read and observe the introductory information and safety warnings Only the scanned area to the front of the vehicle is shown on the infotainment system screen in vehicles with a factory-fitted towing bracket and a tra ...

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