3239406 - E4022 CENTRE INSTRUMENT (CHECK) - Functional description
Functional description
The supply for the check module
E30
reaches pin 2 directly
from the battery. (maxifuse
J/B1
of
B5
up to 2/99
or of
B99
from 2/99 ) through fuse
F10
of the junction
unit
B1
; the supply controlled by the ignition (INT) reaches
pin1 from the line protected by fuse
B11
up to 2/99 or fuse
F4
of
the additional fuse box
B98B
from 2/99. Pin 3 is earthed.
Pins 8, 9, 11 and 10 of instrument
E20
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.
The boot opening switch
I11
is connected
to pin 12.
The signals for the handbrake switch
I40
and
brake fluid level sensor
K25
both reach pin 13 of
E30
.
For all the other warning lights, refer
to the diagrams relating to the components to which they refer.