2429894 - E3040 CENTRAL LOCKING - Functional description (Low setup)

Functional description

The door locking/unlocking function is controlled by the driver's door control unit M66 connected, via the CAN line, to the Body Computer M1. Control unit M66 is supplied at pin 7 of connector C from the line protected by fuse F32 of the underfacia junciton unit B2.

Control units M66 and M67 the following inputs:

  • the 'lock' signals from the handles (or key in the lock) at pins 9 and 8 of connector B of M66;
  • the locking/unlocking signals at pin 1-2 and 5-6 of connector B of M66;
  • the signal from the locking/unlocking buttons, located in the control panel on the tunnel H35 at pins 3 and 4 of connector B of M66, respectively
  • the signals coming from the aerial-receiver P93 , which is connected to pins 21 and 31 of connector B of M1 .
Intervention of inertia switch I50 is indicated to pin 17 of connector D of Body Computer M1 : this signal also causes door opening. In accordance with the control logic illustrated, the control unit M66 controls the geared motors for the locks in the front doors (driver's side N50, passenger side N51) from pins 4 and 5 of connector C and from pins 8 and 12 of connector C, respectively. Led E36 on the front driver's door is connected to pins pin 13 and 15 of connector A of M66