APRILIA RSV4 1100 Factory Service Station Manual page 472

Braking system
- If there is no insulation, restore the wiring harness or replace the sensor.
Short-circuit to positive:
- Disconnect the sensor connector.
- Check the battery supply insulation of the two PINS.
- If there is no insulation, restore the wiring harness or replace the sensor.
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.
VOLTAGE ERRORS
C1058 Low power supply voltage
C1059 High power supply voltage
Error cause:
Power supply voltage below minimum threshold or above maximum threshold detected on PIN 4 or on
PIN 18 of the ABS control unit.
This error is indicated by lighting up in a fixed manner the ABS warning light.
Troubleshooting:
- Check that the voltage regulator is working correctly.
- Check the battery.
NOTE
THIS ERROR DISABLES THE ABS SYSTEM.
CONFIGURATION ERRORS
C1089 Configuration error
Error cause:
The configuration stored in the ABS control unit does not correspond to the configuration in the vehicle
it is installed on.
Troubleshooting:
Check the control unit mapping and reset the vehicle configuration.
NOTE
THIS ERROR DISABLES THE ABS SYSTEM.
CAN LINE ERRORS
BRAK SYS - 472
RSV4 1100 Factory