ID.4 2021 ➤
Electrical system - Edition 02.2021
1 - Bracket for onboard supply
control unit -J519-
❑ ⇒ Rep. gr. 97; Remov‐
ing and installing brack‐
et for onboard supply
control unit [J519]
2 - On-board supply control
unit -J519-
❑ ⇒ Rep. gr. 97; Remov‐
ing and installing on‐
board supply control
unit [J519]
3 - Guide for centre electrical
connector
3.3
Removing and installing onboard sup‐
ply control unit [J519]
3.3.1
Removing and installing onboard sup‐
ply control unit [J519], left-hand drive
vehicles
The onboard supply control unit -J519- will henceforth be refer‐
red to as “onboard supply control unit”.
If the onboard supply control unit is renewed, perform the test
plan for the renewal of the onboard supply control unit using
⇒ Vehicle diagnostic tester.
Removing
– Remove driver side footwell cover ⇒ General body repairs,
interior; Rep. gr. 68; Compartments/covers; Removing and
installing driver side footwell cover.
– Disconnect electrical connectors -2-.
3. Control units
163
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.
3.3.2
Removing and installing onboard sup‐
ply control unit [J519], right-hand drive
vehicles
The onboard supply control unit -J519- will henceforth be refer‐
red to as “onboard supply control unit”.
If the onboard supply control unit is renewed, perform the test
plan for the renewal of the onboard supply control unit using
⇒ Vehicle diagnostic tester.
Removing
– Remove dash panel trim on front passenger side ⇒ General
body repairs, interior; Rep. gr. 68; Compartments/covers;
Removing and installing dash panel trim on front passenger
side.
– Disconnect electrical connectors -2-.
164
Rep. gr.97 - Wiring
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

2024 VW ID.4 Owner's Manual