When the ignition key is turned in the switch
H1
to the extreme position (START) - pin 50 - the winding
of the solenoid - pin 50 - of the starter motor
A20
is supplied.
This supply comes from the battery via the
line of the maxifuse CVM of
B99
and fuse F3 of the engine
compartment unit
B1
.
Pin 30 of
A20
, the actual starter
motor, receives the voltage coming directly from the battery
A1
.
The direct current generated by the alternator
A10
(pin B+) is sent to the battery
A1
through motor
A20
.
When the alternator does not turn, and so
does not recharge the battery, an earth signal is sent from pin
D+ to the Body Computer
M1
- pin 19 of connector A: this
is connected via the CAN line to the instrument panel
E50
and manages, as described above, the switching on of the recharging
warning light on the instrument panel.