The reversing lights switch
I20
is supplied by the ignition-operated line (INT/A) of the relay
R1
protected by fuse
F13
: both are contained in the junction
unit
B1
.
When reverse gear is engaged, the switch
closes and sends the supply to the reversing lights in the centre
rear light cluster on the left
F35
and on the right
F36
,
via the junction unit
B1
(pin 7 connector I and pin 2 of
connector C).
When reverse gear is engaged, a signal is
also sent to the interior electrochromic rearview mirror
P65
.
(
See E3032 DOOR MIRROR ADJUSTMENT
)
Functional description
Its operation is the same as on a manual
gearbox, but the reverse gear engaged signal arrives from one of
the sensors of the electronic auto transmission sensor assembly
(junction
D79
).