2401142 - E3040 CENTRAL LOCKING - Functional description (High setup)
Functional description
The door locking/unlocking function is controlled
by the driver's door control unit
M66
, passenger side control
unit
M67
and luggage compartment
M63
, all connected,
via the CAN line, to the Body Computer
M1
.
Control units M
66
and
M67
are supplied- at pin 11 of connector E - from a line protected by
fuse F36 of the junction unit under the dashboard B2, the luggage
compartment junction unit M63 at pin B8 of connector A from the
line protected by fuse F32 of B2.
Pin 19 connector B and 7 of connector E
of
M66
and
M67
are earthed.
Pin C8 of connector A of
M63
is
also earthed.
Control units M66, M67 and M63 receive
the following inputs:
- the 'lock' signals from the knobs, at pin 23 of connector
B of M66 and M67 ;
- the 'lock' signals from the knobx, at pin B4 of connector
A and B4 of connector B of M63;
- the locking/unlocking signals from the key pawl, at pins
24 and 25 of connector B of M66;
- the negative signals fromt he locking/unlocking buttons,
located in the control unit on the tunnel H35, at pins 34 and 35
of connector A of M66;
- the signals coming from the aerial-receiver P93 ,
which is connected to pins 21 and 31 of connector B of M1 .
In accordance with the control logic described,
control units
M66
and
M67
control the geared motors
for the front door locks: the shared power supply is sent from pin
6 connector E to the motors; the locking/unlocking motors (B/S)
are operated from pin 4 of connector E; the dead lock motors (DL)
for locks
N50
and
N51
are operated from pin 3 of
connector E.
Similarly, control unit
M63
controls
the geared motors for the locks for the rear doors: the shared power
supply is sent to the motors from pin A7 of connector A and A2 of connector
B; the locking/unlocking (B/S) motors are operated from pin C7 of
connector A and C2 of connector B; the dead lock motors (DL) for
locks
N55
and
N56
are operated from pin C6 of connector
A and C4 of connector B.
The LED next to the controls on the tunnel
H35
is operated by a positive command from pin 8 of connector C of
M66
.
Fuel flap opening motor
N58
is controlled
via the same strategy as that used for the front driver's door catch
from pins 5 and 12 of connector E of
M66
.
The aerial-receivier
P93
sends the
Body Computer
M1
the signal to open/close the doors and
also windows and sunroof, by connecting to pins 21 and 31 of connector
B.
Intervention of inertia switch
I50
is indicated to pin 17 of connector D of Body Computer
M1
:
this signal also causes door opening.