Troubleshooting Procedure - APRILIA SCARABEO 500 2008 Service Station Manual

SCARABEO 500
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27 Connector for diagnosis

Troubleshooting procedure

Engine does not start
Possible Cause
Faults detected by self-diagnosis
Fuel supply
Power to the spark plug
Parameter reliability
End of compression pressure
Parameter reliability
Starting difficulties
Possible Cause
Faults detected by self-diagnosis
Start-up speed
End of compression pressure
Power to the spark plug
Specification
Stop switch
Engine stop switch
Starter button
Fall sensor
Instrument panel
Electric fan
ENGINE DOES NOT START EVEN IF PULLED
ENGINE START-UP PROBLEMS
Desc./Quantity
Operation
Pump relay
HV coil
Injector
Revolution timing sensor
Fuel present in the tank
Fuel pump activation
Fuel pressure (low)
Injector flow (low)
Spark plug Shielded cap - HV Coil (secondary in-
sulation)
Coolant temperature
Distribution timing - injection start
Intake air temperature
End of compression pressure
Coolant temperature
Distribution timing - injection start
Intake air temperature
Operation
Pump relay
HV coil
Injector
Revolution timing sensor
Air temperature
Coolant temperature
Starter motor and remote control
Battery
Ground connections
End of compression pressure
Spark plug
Shielded cap
HV coil
Revolution timing sensor
Injection
INJEC - 235