Charging System Control Module: Service and Repair

Energy Management Control Module (J644), Through MY 08

Special tools, testers and auxiliary items required

• Pry Lever (80 - 200)

Removing

• While removing and installing, no charger must be connected.

- If the control module was replaced, select the "Replace" function for the respective control module in "Guided Fault Finding" or "Guided Functions" Vehicle Diagnosis, Testing & Information System (VAS5051B).

- Remove driver's seat.






- Switch off ignition and remove ignition key.

- Remove screw - 2 - and pull floor vent - 1 - up.

- Release retaining clamps on back side of cover - 1 - in - direction of arrow A -.






- Then remove cover in - direction of arrow B - from driver's seat console.

- Pry cover - 1 - with (80 - 200) from floor covering.






- Raise floor covering - 2 - slightly in ground wire area.

- Remove nut - 3 - and remove ground wire - 4 - on ground point.

- Pry the covers - 1 - and - 3 - out of floor covering using the (80 - 200).

- Pry cover - 3 - with (80 - 200) from floor covering.






- Remove both front screws - 1 - on driver's seat console and tip console - 2 - up.

- Disconnect electrical connector - 5 - by pressing catch and rotating retaining bracket.






- Remove the ground (GND) wire - 3 - to battery from Energy Management Control Module (J644).

- First remove cap nut - 4 - and then cap nut - 1 -.

- Remove Energy Management Control Module - item 2 -.

Installing

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

1. Connect Energy Management Control Module - item 2 - to body by installing cap nut - 1 - and tightening.

2. Tighten cap nut - 4 -.

3. Install ground (GND) wire - 3 - to battery on Energy Management Control Module.

4. Connect electrical harness connector - 5 - to Energy Management Control Module.

5. Connect ground (GND) wire to battery.

6. Perform necessary steps after connecting battery. Refer to => [ Connecting ] Battery, Disconnecting and Connecting.


- Install console with driver's seat.

Code the Energy Management Control Module, if it was replaced, in "Guided Fault Finding" or "Guided Functions" using the Vehicle Diagnosis, Testing & Information System (VAS5051B).

Tightening Specifications