Service control unit

Service control unit

FRONT ELECTRIC WINDOW OPERATION

Operation is automatic for window raise and lower on the driver side, but only for lowering on the passenger side. Operation is manual when key operating time is from 60 to 300 milliseconds. Operation is automatic when key operating time exceeds 300 milliseconds. The window stops when the key is operated in the opposite direction.

Safety systems

The window stops (i.e. motor electrical supply is cut off) when the glass reaches the upper or lower end stop or if an obstacle gets in the way and blocks the glass. This is regulated by controlling the self-adaptive motor direct current. The electronic control unit behaves as follows:

• If the motor control signal cuts out during operation, the control unit deactivates the system within a maximum time of 500 milliseconds. This interruption occurs when the controlled current taken up by the electric window motor drops to less than 0.8 A.
• If the control buttons are faulty (short-circuit or keys stuck down), control operation is inhibited at the time of control unit activation until the defect disappears (or the key is released) for longer than 60 milliseconds;
• if the buttons are pressed for longer than 12 seconds, motor operation is inhibited; if the descending key is short-circuited or pressed for longer than 30 seconds, the control is inhibited so that the glass can be closed.

DOOR LOCK/RELEASE

The locks are operated simultaneously upon a control from the key, the front door switches (knobs) or via the remote control (see next page).

NOTE Locking takes place only with the doors properly closed and the locks locked. Conversely, release takes place with the doors properly closed and the doors locked.