ID.4 2021 ➤
Electrical system - Edition 02.2021
– Release retaining springs -3- in direction of -arrow A-.
– Swing onboard supply control unit -1- out of bracket -4-.
Installing
Install in reverse order of removal, observing the following:
– If the onboard supply control unit has been renewed, con‐
clude the test plan for the renewal of the onboard supply
control unit using ⇒ Vehicle diagnostic tester.
3.4
Removing and installing bracket for on‐
board supply control unit [J519]
3.4.1
Removing and installing bracket for on‐
board supply control unit [J519], left-
hand drive vehicles
The onboard supply control unit -J519- will henceforth be refer‐
red to as “onboard supply control unit”.
Removing
– Remove dash panel ⇒ General body repairs, interior; Rep.
gr. 70; Dash panel; Removing and installing dash panel.
– Remove bracket for fuse holder C [SC] ⇒ a2.6 nd installing
fuse holder C [SC]”, page 156 .
– Remove onboard supply control unit ⇒ Rep. gr. 97; Remov‐
ing and installing bracket for onboard supply control unit
[J519].
– Remove interface for entry and start system -J965- ⇒ Rep.
gr. 94; Remove interface for entry and start system [J965].
– Cut through cable tie on bracket for onboard supply control
unit -1-.
3. Control units
165
ID.4 2021 ➤
Electrical system - Edition 02.2021
– Unscrew bolt -2-.
– Release locking lugs -1-.
– Release bracket for onboard supply control unit -2- in direc‐
tion of -arrow A-.
– Remove bracket for onboard supply control unit -2- in direc‐
tion of -arrow B-.
Installing
Install in reverse order of removal, observing the following:
Tightening torques
♦ ⇒ Rep. gr. 97; Assembly overview – onboard supply control
unit
3.4.2
Removing and installing bracket for on‐
board supply control unit [J519], right-
hand drive vehicles
The onboard supply control unit -J519- will henceforth be refer‐
red to as “onboard supply control unit”.
166
Rep. gr.97 - Wiring
ID.4 2021 ➤
Electrical system - Edition 02.2021
Removing
– Remove onboard supply control unit -J519- ⇒ Rep. gr. 97;
Removing and installing bracket for onboard supply control
unit [J519].
– Unscrew bolts -2- and -3-.
– Remove strut -1-.
– Cut through cable tie on bracket for onboard supply control
unit -2-.
– Release locking lug -1-.
– Release bracket for onboard supply control unit -2- in direc‐
tion of -arrow A-.
– Remove bracket for onboard supply control unit -2- in direc‐
tion of -arrow B-.
Installing
Install in reverse order of removal.
3.5
Removing and installing data bus diag‐
nostic interface [J533]
The data bus diagnostic interface -J533- will henceforth be re‐
ferred to as data bus diagnostic interface.
If the data bus diagnostic interface is renewed, perform the test
plan for the renewal of the data bus diagnostic interface using
⇒ Vehicle diagnostic tester.
3. Control units
167

2024 VW ID.4 Owner's Manual