Parking sensor control unit
M84 is supplied
pin 1 of connector A by the ignition-operated line (INT/A) for
relay T24 of B45 protected by fuyse F78;
Pin 8 of connector
A is earthed.
Pin 6 of connector A of
M84 receives
the reverse gear engaged signal
See
E2022
REVERSING LIGHTS
.
Pin 1 of connector A of
M84 receives
the speedometer signal from the instrument E50 pin 5 of connector
B.
The parking sensor
P44 buzzer is connected
to pins 2 and 10 of connector A of control unit M84.
Pin 5 receives an inhibition signal if a
trailer is connected via coupling
D73
See
E2050
TRAILER WIRING
.
The four parking sensors
K97
are
connected to connector C of control unit
M84
: pin 1 supplies
a reference earth, pin 6 the power supply, pins 5, 3, 2 and 4 are
connected to sensors
K97A
,
K97B
,
K97C
and
K97D
.
Self-diagnostic data can be read by connecting
the unit to connector
R10 pin 13: this receives signals from
pin 12 of connector A of control unit M84 through the relevant tester line
See
E8010
DIAGNOSTIC MULTIPLE CONNECTOR
.