Checks and inspections
Immobiliser
The electronic ignition system is controlled by the
control unit with the integrated Immobilizer sys-
tem. The immobilizer is an anti-theft system that
allows the vehicle to be operated only when it is
started with coded keys recognised by the control
unit. The code is integrated in a transponder in the
key block. This allows the driver clear operation
without having to do anything other than just turn-
ing the key. The Immobilizer system consists of the
following components:
- Control unit
- Immobilizer aerial
- master and service keys with built-in transponder
- HV coil
- diagnosis LED
The diagnosis led also works as a blinking light to
deter theft. This function is activated every time the
key switch is turned to "OFF" and it remains active
48 hours so as not to damage the battery charging
process.
When the key switch is turned to "ON", it interrupts
the function of the immobiliser lamp and a start
enable lamp comes "ON".
The duration of the flash depends on the program-
ming of the electronic control unit
If the LED is off regardless of the position of the
ignition-key switch and/or the instrument panel is
not initiated, check if:
•
there is battery voltage
•
that fuse 1 and fuse 6 are in good con-
ditions.
•
there is power to the control unit as
specified below:
Electrical system Vespa LX 125 - 150 i.e.
ELE SYS - 66
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