Background
Maintenance Background: After clearing throttle of a 2017 GTV 278 VESPA, it has idle speed instability and no faulty code problem.
Maintenance Tips
Maintenance Tips:
It needs to learn about throttle after any maintenance below.
●Uninstall and install throttle
●Clear throttle
●Change throttle
Solutions
Solutions: Using OBDSTAR MS80 to operate on 【Throttle position self-learning】.
Detail Steps:
Tips: no activating engine and throttle in the whole process.
①Connect MS80 to Motorcycle, enter into 【Moto Diag】;

②Click 【All】, input letters such “VE”in search bar, click【VESPA】;
Tips: By searching keywords, find out related cars quickly.

③Click the newest VESPA edition;

④Click 【Select from vehicle】,【Vespa GTV】,【278 i.e.】;



⑤Click 【Scooter|(2016-)】;

⑥Click 【ENG】;

⑦ Click 【Diag Socket】or【Diag Connector】to check the socket position or diag cable information, connect diag cable and then click 【Enter】;
Tips: connect M002 battery cable to storage battery while using M004 diag head.



⑧Click 【Special Function】;

⑨Read the notes, then click 【Agree】;

⑩Input password 123, click【Enter】;


⑪Click 【Throttle position self-learning】;

⑫Click【Enter】, follow the reminders.



⑬Wait for several seconds
Tips: no other actions during waiting

⑭Turn off Ignition

⑮After turning on Ignition, click 【Enter】;

⑯Operate successfully.

Summany
If Motorcycle has idle speed instability after uninstalling and installing, clearing, changing throttle, pls use OBDSTAR MS80 to operate on【Throttle position self-learning】. Then the problem gets resolved.