Abi: Gilera runner 50

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Self-diagnosis

The injection system is provided with a self-diagnostic function.

The system recognises faults by analysing and comparing electric signals. This recognises a missing signal and an unexpected signal.

Depending on the case, the ECU can use base parameters set in the program, thus allowing an acceptable operation of the engine. Otherwise it may limit the engine performance to force idle operation only.

For faults relating to the essential system components, vehicle safety is ensured, although engine performance cannot be guaranteed. For example, when a fault to the ignition system is detected, injection is also disabled, thereby safeguarding the catalyser.

The auto-diagnostic system also warns the driver. Faults are reported according to three priority levels:

AUTO-DIAGNOSTIC
Specification Desc./Quantity
PRIORITY 1 Flashing injection indicator. This signal identifies abnormalities that could cause serious damage to the engine or stopping of the vehicle if the vehicle continues to be used.
PRIORITY 2 Steady injection indicator. This denotes faults that impair the vehicle use since the engine can stop or remain idle.
PRIORITY 3
This priority level denotes faults not reported to the driver by the injection indicator.

Faults can be perceived by the evident fault of the engine (i.e. the revolutions do not increase) or by indication of:

• Coolant temperature indicator not efficient

• Injection indicator always off or always on