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

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Sound system

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