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Boot lid 4D

Boot lid 4D


The boot lid has two gas springs, one on each side of the opening, fastened to the hinges with a ball pins. The boot lid is opened by turning a key, pressing the boot lid button on the remote control or pressing a switch in the driver's door.

The switch in the driver's door will not function when the central locking system or TSL (Theft Security Lock) is activated.

Electrical boot lid opening



+30 voltage is supplied via fuse 11 to pin 47 on the TWICE control module.

When the switch 388 on the driver's door is pressed, it grounds pin 11 on the TWICE control module, which in turn outputs a short voltage pulse via pin 67 to the boot lid locking motor 184H. The boot lid opens and the motor returns to rest.

When switch 622 is activated by turning the key, it grounds pin 59 on the TWICE control module, which supplies a voltage pulse (0.8 seconds) via pin 67 to the boot lid locking motor 184H. The boot lid opens and the motor returns to rest.

When the boot lid opens, the luggage compartment light switch closes and grounds pin 35 on the TWICE control module. TWICE outputs the “BOOT LID OPEN” message to the bus when the boot lid is open. This is used by the main instrument unit, which lights lamp 213j, door indicator, boot lid.

The boot lid locking motor 184H is grounded to pin 62 on the TWICE control module and the switch 622 is grounded to grounding point G3.

Switch 388 on the driver's door is grounded to grounding point G33 on LHD cars and G24 on RHD cars.