577319 Removing and Installing Front Door Control Unit

WM 577319 Removing and installing front door control unit

Tools





Preliminary work

Preliminary work for front door control unit

Information

If the control unit has to be replaced, the values/coding must be read out prior to removal using the 2nd generation PIWIS Tester 9818.

. -> 577355 Replacing door control unit 577355 Replacing Door Control Unit.
1. Switch off ignition and remove the remote control from the ignition lock.
2. Remove trim for door panel. -> 706119 Removing and installing trim for door panel - section on "Removing" 706119 Removing and installing trim for front door panel

Removing front door control unit

Information

If the control unit has to be replaced, the values/coding must be read out prior to removal using the 2nd generation PIWIS Tester 9818.





Installation position

1. Release the electric plug connections -a- and pull them off the control unit.





Releasing and unplugging electric plug connections

2. Unplug electric connector on the door control unit, release the locking lug for the connector -a- and pull the connector down off the control unit.





Releasing connectors on control unit

Information

The door control unit is fitted into the door sub-frame -1- and engaged in the door sub-frame with a locking lug -2-.





Mounting principle for door control unit

If you are unclipping the door control unit for the first time, greater force will be required in order to release the locking lug -2- from the door sub-frame.

Press the control unit backwards against the door sub-frame while you are releasing it.

3. Grip the control unit with your hand and release the lower catch for the control unit.





Pressing together locking hook on control unit

Installing front door control unit

1. Engage the door control unit in the door sub-frame -arrow- and clip it in -arrow-.





Installing door control unit

2. Push on electric connector on the door control unit until the connector engages on the control unit.





Fitting electric connector

3. Plug in and lock electric connectors.





Inserting connectors

Subsequent work

Subsequent work for front door control unit

1. Install trim for door panel. -> 706119 Removing and installing trim for door panel - section on "Installing" 706119 Removing and installing trim for front door panel
2. If a new door control unit was installed, the values must be loaded into the new door control unit and the coding must be checked. -> 577355 Replacing door control unit 577355 Replacing Door Control Unit