184002087 - E3051 ELECTRIC REAR WINDOWS - DESCRIPTION

Description

The electric windows in the rear doors are activated using the switches in the actual doors and the driver''s front door.The luggage compartment junction unit checks the operation of the rear electric window motors directly.The commands from the driver''s front door are transmitted via the CAN from the control unit in the door.The electric window motors are operated either manually or automatically to open the windows, depending on the trim level.

Automatic operation takes place as follows:

  • if the button is pressed is between 60 and 300 milliseconds, operation is manual. the glass goes up/down only with the key pressed;
  • f the key is pressed for longer than 300 milliseconds, operation is automatic: even if the button is released, the glass continues to move up/down until the end of travel position is reached or until the intervention of the anti-crush safety system (if fitted);
  • pressing the button again whilst the window is moving stops it in the position it is in;
  • if the button is pressed for less than 60 milliseconds, this is ignored (it is treated as an accidental knock).
The circuit is operated according to the luggage compartment junction unit control logic with a power supply protected by two special fuses operated by the underdashboard junction unit services relay: in this way there is a power supply both with the ignition ON and OFF during the starting stage this relay is temporarily deactivated whilst with the ignition OFF the Body Computer keeps the relay activated for 3 minutes but deactivates it 30 seconds after one of the doors is opened.The driver''s front door control unit also manages the locking of the rear controls (protection) when the special LOCK button is pressed: the locking status is indicated by an LED in the back of the actual button lighting up and the rear control buttons are not lit up. The electric windows cannot be operated using any of the buttons when the lock function is activated.the windows are automatically opened or closed through the special prolonged (more than 2 seconds) command sent by the remote control button.The remote control receiver aerial is connected directly to the Body Computer which contains the actual electronics for the receiver.