Energy Management Control Module J644, removing and installing

Removing

NOTE:

While removing and installing, no charger must be connected.
If control module is replaced, select "Guided Functions" of respective control module in.
With ignition switched off, disconnect battery Ground (GND) wire → Battery, disconnecting and connecting .

Fig 1: Removing Mounting Bolt And Molded Insert From Spare Wheel Well

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Vehicles with molded insert:

Fig 2: Identifying Ground Pin, Cap Nut, Ground Wire, Harness Connector And Energy Management Control Module J644

Courtesy of VOLKSWAGEN UNITED STATES, INC.

All:

Remove ground pin - 2 - and cap nut - 5 -.
Remove Energy Management Control Module J644 - 4 -.
Unscrew ground (GND) wire - 1 - to battery from Energy Management Control Module J644.
Disconnect electrical harness connector - 3 -.

Fig 3: Pressing Catch And Rotating Retaining Bracket

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Press catch - 1 - and rotate retaining bracket in - direction of arrow - to do so.

Fig 4: Identifying Ground Pin, Cap Nut, Ground Wire, Harness Connector And Energy Management Control Module J644

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Installing

When installing, always heed the following sequence, otherwise proper function of Energy Management Control Module J644 cannot be guaranteed.

Install ground (GND) wire 1 to battery on Energy Management Control Module J644.
Screw Energy Management Control Module J644 4 on to body, tighten ground (GND) pin 2 and cap nut 5 to do so.
Connect ground (GND) wire to battery.
Connect electrical harness connector 3 to Energy Management Control Module J644.
Perform necessary steps after connecting battery.

If Energy Management Control Module J644 was replaced, it must be coded.

Tightening torques

Component		Nm
Control module	Ground (GND) pin	20
to chassis	Nut	20
Ground (GND) wire to control module		9