556819 Removing and Installing Control Unit for Rear Lid

WM 556819 Removing and installing control unit for rear lid

Tools





Preliminary work

Preliminary work for control unit for rear lid

1. If a new control unit has to be installed, the values and codings must be read out using the 2nd generation PIWIS Tester 9818 prior to removing the "old" control unit for rear lid. -> 556855 Replacing control unit for rear lid 556855 Replacing Control Unit for Rear Lid.
2. Remove trim panel for tailgate. -> 709219 Removing and installing trim panel for tailgate - section on "Removing" Service and Repair

Removing control unit for rear lid

NOTICE

Voltage peaks

- Risk of damage to load or to the control unit

-> Remove the ignition key and switch off load before disconnecting or removing load.





Installation position

1. Release electric connectors -1, 2, 3- ( -a- ) and unplug them at the lid control unit.





Removing connectors

2. Press the two locking lugs -arrow- on the control unit and unhook the control unit from the lid.





Removing control unit

Installing control unit for rear lid

1. Hook control unit onto rear lid -1- and clip it in -2-.





Installing control unit

2. Plug in electric connectors -2, 3- at the control unit until they engage securely.





Removing connectors

3. Plug in and lock electric connector -1-.

Subsequent work

Subsequent work for control unit for rear lid

1. Install trim panel for tailgate. -> 709219 Removing and installing trim panel for tailgate - section on "Installing" Service and Repair
2. If the control unit was replaced, the control unit must be adapted to the vehicle using the 2nd generation PIWIS Tester 9818. -> 556855 Replacing control unit for rear lid 556855 Replacing Control Unit for Rear Lid.