3315757 - E7022 VDC - Functional description (Euro 3)
Functional description
The direct supply from the battery arrives
from two specific lines protected by the maxifuses
B7 at pins
2 and 6 of the ABS control unit M50.
The ignition-operated supply arrives from
the line protected by fuse
B31
at pin 23 of the ABS control
unit
M50
.
Pin 22 of M50 indicates the sate
of the system to the instrument panel E50 at pin 18 of connector
C which, via an internal processor, operates the warning light as
follows:
- if the system intervenes, the warning light flashes;
- if there is a fault, the warning light stays on permanently.
Pins 5 and 1 of
M50 are earthed C12.
Pin 15 of connector A of
E50
receives
an ignition-operated supply from the line protected by fuse
F1
of junction unit
B1
.
Pins 8, 9, 10, 21, 39 and 41 are connected
to the slew sensor
K74
, which informs the control unit
M50
on the rotation of the vehicle around the vertical axis.
The control unit
M50
also receives
signals, at pins 24 and 40, from the steering angle sensor
K58
.
Pins 25, 26 and 42 of
M50
are connected
to the pressure sensor
K72
.
The wiring diagram shows pins 12-13-14-16-28-30-31
at which control unit
M50 receives signals from wheel sensors
K70-K71-K75-K76 (
See
E7020
ABS
).