APRILIA SHIVER 900 Service Station Manual page 135

SHIVER 900
•
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.
REAR ABS VEHICLE SENSOR
Function:
Generates a signal used by the ABS control unit
to determine the speed value of the wheel.
Operation / Operating principle:
Magneto-resistive sensor: generates a square
wave signal with an amplitude of approximately 1V
between PIN11 and PIN12 of the ABS control unit.
Electrical circuit diagram - Level in electrical
circuit diagram:
ABS system
Position on vehicle:
On the rear brake calliper support plate.
Position of connector (if applicable):
Under the saddle, on the left side, between the
battery and the seat supporting frame.
Pin-out:
•
PIN1 - Power feed negative/Signal
negative (yellow)
•
PIN2 - Power feed positive/Signal pos-
itive (yellow/brown)
DIAGNOSTIC TOOL
Parameters: Speed (km/h) - Vehicle speed.
ELECTRICAL ERRORS
Speed sensor
5DA0 electric malfunction
Electrical system
ELE SYS - 135