The ignition-operated power supply (INT) of the instrument panel
E50
reaches pin 1 of connector A through the line of fuse F37 of the
unit under the dashboard
B2
; the direct supply reaches pin
2 of connector A through the line of fuse F53 of the unit under
the dashboard
B2
; pin 7 of connector A is earthed (earth
controlled by the Body Computer
M1
).
The instrument panel
E50
is connected
from pins 3 and 4 of connector A to the Body Computer
M1
and via the latter to the whole CAN network: via CAN the signal
for the electronic speedometer arrives (coming from the ABS control
unit
M50
): this signal is replicated from pin 37 of
M50
to pin 17 of connector A of the Body Computer
M1
.
The electronic rev counter receives the
rpm signal coming via CAN from the engine management control unit
M10
.
The fuel gauge is controlled in accordance
with the signals coming from the fuel gauge sender unit located
in the fuel pump assembly
N40
- at pins 4 and 15 of the
Body Computer
M1
, and from here via CAN to the instrument
panel
E50
.
The Trip Computer 'SET' button, located
on the stalk unit H5, sends an earth signal to pin 8 of connector
A of
E50
.