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Power supply
•
Level 2 - comparison between requested torque and estimated torque generated by the
engine
•
Level 3 - a microprocessor controls the correct operation of the regular microprocessor
The consequent maintenance operations may be of different gravity according to the level and the
defective component:
A the malfunction does not affect riding in safety, the warning light turns on, the word Service is dis-
played, the signal recovery value considered not reliable is used and the engine works regularly.
B the malfunction may affect riding in safety, the warning light turns on, the message Urgent Service is
displayed, the torque demands are not fully activated (reduced torque).
C the malfunction may affect riding in safety, the warning light turns on, the message Urgent Service
is displayed, the engine operates in Limp Home function (accelerated idle), the throttles which are at
the position exclusively depending on the springs are not moved. The engine may shut off during the
operation if it is running at idle speed and the gear is in neutral.
D the malfunction may affect riding in safety, the warning light turns on, the message Urgent Service
is displayed, the engine stops running.
Removing the injector
INJECTORS REMOVAL
•
Remove the air filter box.
•
Disconnect the injector connectors.
•
Unscrew and remove the injector fixing
screws.
•
Remove the injectors, identified by
grey collars.
See also
Air box
P SUPP - 386
TUONO V4 R a-PRC ABS
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