APRILIA Tuono V4 1100 Factory Service Station Manual page 178

Electrical system
Error cause
•
Incorrect wheel or tone wheel dimensions.
Troubleshooting
- Check the type and dimensions of the installed tyres.
- Check the type and dimensions of the installed tone wheels.
C1034 Front wheel speed sensor
Functional diagnosis:
Signal not plausible.
Error cause:
•
Possible tone wheel fault due to deformations or dirt.
Troubleshooting:
- Check that the tone wheel is not damaged and is clean.
- Check that the number of teeth on the tone wheel is correct
- Check that the tone wheel and the sensor are correctly positioned;
- Check that the tyre is the correct size.
- If all these checks are positive, replace the sensor.
P2162 Wheel speed plausibility
Error cause:
•
ABS system malfunction
Troubleshooting:
•
Connect to the ABS control unit diagnosis.
REAR VEHICLE SPEED 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 PIN14 and PIN13.
Electrical circuit diagram - Level in electrical
circuit diagram:
Traction control - Speed sensor.
Position on vehicle:
Right-hand side of swingarm, on brake calliper
mounting bracket.
ELE SYS - 178
Tuono V4 1100 Factory