PIAGGIO X9 Evolution 125 2008 Service Station Manual page 69

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X9 Evolution 125
That is, the led is off for 2 seconds, and then diagnosis codes are transmitted with 0.5-second flashes.
After the failure code indication, a steadily on LED signals that ignition is disabled; see the table:
2-FLASH CODE - Example with programmed control unit, no transponder and/or malfunctioning aerial.
Ignition disabled-Vehicle immobilised
3-FLASH CODE - Example with programmed control unit, aerial working properly and unknown trans-
ponder code. Ignition disabled-Vehicle immobilised
Diagnostic code - 2 flashes
Diagnosis code: 2-flashes
When the 2-flash code is detected, carry out the following checks:
- Check if the failure continues after changing key (MASTER key included). If the failure persists with
any key, disconnect the aerial connector from the control unit and check the aerial continuity with the
020331Y multimeter.
If non-conforming values are measured, replace the aerial.
If no failures are found in the aerial, replace the control unit.
CAUTION
BEFORE PROGRAMMING THE NEW ELECTRONIC CONTROL UNIT CHECK THAT NO FAILURE
CODE IS INDICATED. THIS IS NECESSARY TO AVOID SPOILING A NEW CONTROL UNIT
Electric characteristic
immobilizer aerial
~ 7 ÷ 9 Ohm
Electrical system
ELE SYS - 69

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