The supply for all the courtesy lights arrives
directly from the battery via the MAXIFUSE CENTR line of
B5
via fuse
F17
of junction unit
B1
.
The interior lights
G10
(front)
and
G25
and
G26
(rear) are switched on - depending
on the positions of their internal switch - by an earth signal which
is direct (permanently on) or timed.
However, the lights on the doors (front
left
G51
, front right
G52
, rear left
G55
and
rear right
G56
) only ever come on for a timed period.
The timed period is managed by the special
courtesy lights relay
J42
, supplied directly by the battery
via the line for maxifuse CENTR of
B5
and protected by fuse
F17
of junction unit
B1
.
The timed period is operated by the instrument
panel
E50
which sends the signal from pin 11 of connector
B to pin 85 of timer
J42
as soon as the signal that at least
one of the doors is open is received at pins 14, 15, 16 or 17, respectively
via switches
N50
and
N61
(pin 3 connector B),
N55
and
N56
(pin 3 connector A).
The timing is interrupted when the ignition
'on' signal is received, which reaches the instrument
E50
from the ignition-operated line (INT/A) of the panel - pin 15 of
connector A of
E50
- through fuse
F1
of junction
unit
B1
.
The timer starts again from the beginning
if the door locks are locked/unlocked via the safety knob or the
key activating the front locks; these signals reach the instrument
E50
at
pin 12 of connector B via the safety knob switches located in
N50
(pin 1 connector A) and
N51
(pin 1 connector A).
The signals coming from devices
N50-N51-N55-N56
are also used to operate the locking of the doors (
See
E3040
CENTRAL LOCKING
)
and for the management of the alarm system
See
E7015
ALARM
.
The device
N50 also performs a safety
function in the management of the automatic transmission (
See
E7050
AUTOMATIC TRANSMISSION
).