The MIU control unit power supply is furthermore controlled by the emergency switch; to allow further
safety of the scooter.
Precautions
Troubleshooting hints
1 A MIU failure is more likely to be due to the connections than to the components.
Before troubleshooting the MIU system, carry out the following checks:
A
: Electrical power supply
a. Battery voltage
b. Blown fuse
c. Remote controls
d. Connectors
B
: Chassis ground
C
: Fuel system
a. Broken fuel pump
b. Dirty fuel filter
D
: Ignition system
a. Faulty spark plug
b. Broken coil
c. Broken shielded cap
E
: Intake circuit
a. Dirty air filter
b. Dirty by-pass circuit
c. Faulty Stepper motor
F
: Other
a. Incorrect timing
b. Wrong idle mixture
c.Incorrect reset of the throttle valve position sensor
2 MIU system faults may be caused by loose connectors. Make sure that all connections have been
correctly made.
Check the connections as follows:
A
check that the terminals are not bent.
B
check that the connectors have been properly connected.
C
check whether the malfunction can be fixed by shaking the connector slightly.
3 Check the entire system before replacing the MIUIf the fault is fixed by replacing the MIU control unit,
install the original control unit again and check if the fault occurs again.
Vespa GTS Super 125 i.e. (2009)
Injection
INJEC - 99
Содержание GTS Super 125 i.e. (2009)
Страница 1: ...MANUALE STAZIONE DI SERVIZIO Vespa GTS Super 125 i e 2009 ...
Страница 4: ......
Страница 6: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Страница 31: ...INDEX OF TOPICS TOOLING TOOL ...
Страница 43: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Страница 53: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Страница 57: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Страница 87: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Страница 95: ...INDEX OF TOPICS INJECTION INJEC ...
Страница 96: ...Injection Vespa GTS Super 125 i e 2009 INJEC 96 ...
Страница 126: ...Injection Vespa GTS Super 125 i e 2009 INJEC 126 ...
Страница 135: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Страница 159: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Страница 174: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS ...
Страница 176: ...4 Expansion tank 5 Radiator 6 coolant temperature sensor Cooling system Vespa GTS Super 125 i e 2009 COOL SYS 176 ...
Страница 177: ...INDEX OF TOPICS CHASSIS CHAS ...
Страница 189: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Страница 193: ...INDEX OF TOPICS TIME TIME ...
Страница 195: ...Crankshaft CRANKSHAFT Code Action Duration 1 001117 Crankshaft Replacement Vespa GTS Super 125 i e 2009 Time TIME 195 ...
Страница 232: ...Stickers TRANSFERS Code Action Duration 1 004159 Plates Stickers Replacement Time Vespa GTS Super 125 i e 2009 TIME 232 ...