2401143 - 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.
The control unit
M66
is supplied
at pin 7 of connector C from the line protected by fuse
F36
of the junction unit under the dashboard B2 and at pin 2 of connector
C by the line protected by fuse
F32
of B2.
Pins 1 and 8 of connector C of
M66
are earthed.
Control unit M66 receives the following
inputs:
- the 'lock' signals from the knobs, at pins 9 and 8 of
connector B of M66;
- the locking/unlocking signals from the key pawl, at pins
1-2 of connector B of M66;
- the negative signals from the locking/unlocking buttons,
located in the control panel on the tunnel H35, at pins 3 and 4
of connector B 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 illustrated,
the control unit
M66
controls the geared motors for the
door locks: the shared supply to the motors is sent from pin 4 and
12 of connector C; the locking/unlocking motors (B/S) are operated
from pins 9 and 5 of connector C; the dead lock motors (DL) for
the four locks
N50
,
N51
,
N55
and
N56
are operated from pins 3 and 11 of connector C.
The LED next to the controls on the tunnel
H35 is activated by a positive command from pin 13 of connector
A 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 6 and 10 of connector C 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.