Volkswagen ID.3: Wiring. Control units

• Removing and installing onboard supply control unit [J519], left-hand drive vehicles
• Removing and installing onboard supply control unit [J519], right-hand drive vehicles
• Removing and installing bracket for onboard supply control unit [J519], left-hand drive vehicles
• Removing and installing bracket for onboard supply control unit [J519], right-hand drive vehicles
• Removing and installing data bus diagnostic interface [J533]
• Removing and installing fan for control unit [V274]

Removing and installing onboard supply control unit [J519], left-hand drive vehicles

Removing and installing onboard supply control unit [J519], left-hand drive vehicles

The onboard supply control unit -J519- will henceforth be referred to as “onboard supply control unit”.

Removing

If onboard supply control unit is renewed:

– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.

Continued

Vehicles with footwell cover:

– Remove footwell cover on driver side → General body repairs, interior; Rep. gr.68; Compartments/covers; Removing and installing footwell cover on driver side.

All vehicles (continued)

– Disconnect electrical connectors -2-.

– Release retaining springs -3- in direction of -arrow A-.

– Swing onboard supply control unit -1- out of bracket -4-.

Installing

Install in the reverse order of removal, observing the following:

If onboard supply control unit has been renewed:

– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.

Removing and installing onboard supply control unit [J519], right-hand drive vehicles

Removing and installing onboard supply control unit [J519], right-hand drive vehicles

The onboard supply control unit -J519- will henceforth be referred to as “onboard supply control unit”.

Removing

If onboard supply control unit is renewed:

– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.

Continued

– Disconnect electrical connectors -2-.

– Release retaining springs -3- in direction of -arrow A-.

– Swing onboard supply control unit -1- out of bracket -4-.

Installing

Install in the reverse order of removal, observing the following:

If onboard supply control unit has been renewed:

– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.

Removing and installing bracket for onboard supply control unit [J519], left-hand drive vehicles

Removing and installing bracket for onboard supply control unit [J519], left-hand drive vehicles

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- → Rep. gr.97; Removing and installing fuse holder C [SC], left-hand drive vehicles.

– Remove onboard supply control unit -J519- → Rep. gr.97; Removing and installing bracket for onboard supply control unit [J519].

– Remove entry and start authorisation control unit -J518- → Rep. gr.94; Removing and installing entry and start authorisation control unit [J518].

– Remove cable tie from bracket -1-.

– Unscrew bolt -2-.

– Release locking devices -1-.

– Disengage bracket -2- in direction of -arrow A-.

– Remove bracket -2- in direction of -arrow B-.

Installing

Install in the reverse order of removal, observing the following:

Tightening torques

ComponentSpecified torqueBolt to bracket 4.5 Nm

Removing and installing bracket for onboard supply control unit [J519], right-hand drive vehicles

Removing and installing bracket for onboard supply control unit [J519], right-hand drive vehicles

Removing

The onboard supply control unit -J519- will henceforth be referred to as “onboard supply control unit”.

– 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.

– 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-.

– Remove cable tie from bracket -2-.

– Release locking devices -1-.

– Disengage bracket -2- in direction of -arrow A-.

– Remove bracket -2- in direction of -arrow B-.

Installing

Install in the reverse order of removal, observing the following:

Tightening torques

ComponentSpecified torqueBolts on bracket4.5 Nm

Removing and installing data bus diagnostic interface [J533]

Removing and installing data bus diagnostic interface [J533]

Data bus diagnostic interface -J533- is referred to hereafter as “diagnostic interface”.

Removing

If diagnostic interface is renewed:

– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.

Continued

– Remove glove compartment cover → General body repairs, interior; Rep. gr.68; Compartments/covers; Removing and installing glove compartment cover.

Only for right-hand drive vehicles

– 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

All vehicles (continued)

– Release locking devices -1-.

– Pull out diagnostic interface -3- until electrical connectors -2- are accessible.

– Disconnect electrical connectors -2-.

– Pull out diagnostic interface -3-.

Installing

Install in the reverse order of removal, observing the following:

If diagnostic interface has been renewed:

– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.

Removing and installing fan for control unit [V274]

Removing and installing fan for control unit [V274]

Fan for control unit -V274- will henceforth be referred to as “fan”.

Removal and installation are described for a left-hand drive vehicle as an example.

Removing

Vehicles with footwell cover:

– Remove footwell cover on passenger side → General body repairs, interior; Rep. gr.68; Compartments/covers; Removing and installing footwell cover on passenger side.

All vehicles (continued)

– Pull off fan -1- with rubber bushes -3- from bracket -2-.

– Disconnect electrical connector -4-.

– Remove fan for control unit -1-.

Installing

Install in reverse order of removal.

Wiring. Relay carriers, fuse holders, electronics boxesInfotainment. Componentscontrol units