APRILIA 8140172, Service And Repair Manual

Page: 210 / 279

FUEL SUPPLY SYSTEM
4 - 11
RSV mille
4.7.5 AUTOMATIC TESTING
See 6.4 (IGNITION SYSTEM).
4.7.6 ELIMINATING ELECTRONIC SYSTEM FAULTS
ACCORDING TO THE INFORMATION SENT UP
ON THE DISPLAY
a
WARNING
Take care around the high voltage in the ignition sys-
tem.
Never disconnect connections with the engine run-
ning.
Whenever work is performed in the ignition system,
always make sure the ignition switch is set to “
m
”
and the battery disconnected, unless otherwise indi-
cated (when disconnecting the battery, disconnect
the negative pole “–” first).
a
CAUTION
All measurements must be taken with the compo-
nents at a temperature of 20°C (68°F).
General instructions regarding the elimination of
faults: as soon as the fault has been located, remove
the defective component.
4.7.7 CAMSHAFT POSITION SENSOR
Fault code “11”
See 6.4.6 (CHECKING THE CAMSHAFT POSITION
SENSOR).
4.7.8 DRIVING SHAFT POSITION SENSOR
Fault code “12”
See 6.4.5 (CHECKING THE PICK-UP).
4.7.9 INTAKE PRESSURE SENSOR
Fault code “13”
See 6.4.11 (CHECKING THE INTAKE PRESSURE
SENSOR).
4.7.10 INTAKE PRESSURE SENSOR
Fault code “14”
◆ Check for pressure loss in the connection pipes (1-2-3)
and make sure the flow is regular.
◆ Check the wiring and connections of the pressure sen-
sor.
NOTE
Where necessary, replace the pressure sensor
or engine control unit.
4.7.11 THROTTLE VALVE POTENTIOMETER
Fault code “15”
See 6.4.10 (CHECKING THE THROTTLE VALVE PO-
TENTIOMETER).
4.7.12 COOLANT THERMISTORS
Fault code “21”
See 6.4.8 (CHECKING THE COOLANT THERMISTOR
OPERATION).
4.7.13 AIR THERMISTORS
Fault code “22”
See 6.4.9 (CHECKING THE AIR THERMISTOR OPERA-
TION).
4.7.14 IGNITION COILS
Fault code “33”, “34”, “35”, “36”
See 6.4.4 (CHECKING THE IGNITION COILS).