The supply for module
E63
arrives
directly from the battery. (maxifuse J/B1 of
B99
) to pin
1 via fuse
F10
of junction unit
B1
; the supply controlled
by the ignition (INT) reaches pin 3 of the line protected by fuse
F4
of
the additional fuse box
B98B
.
Pin 11 is earthed.
The control buttons, incorporated in the
climate control system
M70
controls, are connected to pins
16, 19 and 20. A serial line also connects module
E63
- from
pin 13- to the climate control system
M70
.
The SET button, located in the steering
column switch unit (
H5
connector E) is connected to pin 15.
Pins 4, 8, 5 and 9 of instrument
E63
are
connected to the switches at the locks of the front doors (connector
C of
N50
and
N51
) and the rear doors (connector B
of
N55
and
N56
), respectively and signal if any of
the doors is open. Similarly, the opening of the boot is signalled
by switch
I11
to pin 6.
The signal indicating the operation of the
inertia switch
I50
reaches pin 10 of
E63
.
A serial line connects module
E63, from
pin 7, with speedometer module E10
See
E4021
SPEEDOMETER
with this
line used to send information concerning the warning lights (for
the repetition of the signal at the actual INFOCENTER) for the engine
oil level, speedometer signal, etc.
The engine temperature signal is sent again
at pin 17 to module
E20 See E4023 DASHBOARD CENTRE AUXILIARY
EQUIPMENT()
.
The engine oil pressure signal is sent again
at pin 18 to module
E30 See E4022 CENTRE INSTRUMENT (CHECK)
.
Module
E63
has its own diagnostic
serial line - from pins 2 and 12 - which is connected to a specific
diagnostic socket,
R57
.
Functional description
The oil temperature sensor
K29
provides
a signal at pin 14 of
E63
for display purposes.