APRILIA SHIVER 900 Service Station Manual page 137

SHIVER 900
wheel has the correct number of teeth or if it is dirty, deformed or wrongly fixed. If it is not
OK, replace the tone wheel and if it is OK, replace the speed sensor.
5DA4 no acceleration after pressure reduction
•
Faulty sensor or missing sensor/tone wheel or excessive distance between the sensor and
the tone wheel.
Troubleshooting:
•
Check that the speed sensor and the tone wheel are installed. If they are not, install them.
If they are, check the speed sensor retainer. If it is not OK, restore it. If it is, check if the tone
wheel has the correct number of teeth or if it is dirty, deformed or wrongly fixed. If it is not
OK, replace the tone wheel and if it is OK, replace the speed sensor.
5DA5 excessive measured speed:
•
Faulty sensor or tone wheel, or tone wheel with wrong number of teeth or wrong tyre size.
Troubleshooting:
•
Check that the speed sensor and the tone wheel are installed. If they are not, install them.
If they are, check the speed sensor retainer. If it is not OK, restore it. If it is, check if the tone
wheel has the correct number of teeth or if it is dirty, deformed or wrongly fixed. If it is not
OK, replace the tone wheel and if it is OK, check that the tyre size is the correct one. If it is
not OK, replace it. If it is OK, check that the tyre pressure is the correct one. If it is not OK,
restore it; if it is OK, replace the speed sensor.
P2162 Wheel speed plausibility
Error cause:
•
ABS system malfunction
Troubleshooting:
•
Connect to the ABS control unit diagnosis.
Engine rpm sensor
Function
indicates the position and speed of the crankshaft
at the Marelli control unit
Operation / Operating principle
Inductive sensor: sinusoidal-type generated volt-
age; two teeth are missing on the flywheel for the
reference position
Level in electrical circuit diagram:
Engine speed sensor
Electrical system
ELE SYS - 137