P0501 Front wheel speed signal/sensor.
Connect to CLF control unit diagnosis (Tone Wheel Reading control unit)
DIAGNOSTICS INSTRUMENT: LOGIC ERRORS
C1100 Front speed sensor: missing signal or speed measured too low in relation to the rear
wheel.
Faulty sensor or missing tone wheel or excessive distance between the sensor and the tone wheel or
tone wheel with wrong number of teeth.
C1102 Front speed sensor: missing signal or speed measured too low in relation to the rear
wheel.
Faulty sensor or missing tone wheel or excessive distance between the sensor and the tone wheel or
tone wheel with wrong number of teeth.
C1104 Front speed sensor: missing signal or different speed measured at the two wheels.
Faulty sensor or missing tone wheel or excessive distance between the sensor and the tone wheel or
tone wheel with wrong number of teeth.
C1106 Front speed sensor: missing signal or different speed measured at the two wheels.
Faulty sensor or missing tone wheel or excessive distance between the sensor and the tone wheel or
tone wheel with wrong number of teeth.
C1108 Front speed sensor: the signal works irregularly.
Faulty sensor or signal interference
C1110 Front speed sensor: the signal decreases periodically.
Possible tone wheel fault due to deformations or dirt; possible alterations on the wheel bearing surface.
In very rare cases, abnormal tone wheel vibrations.
VEHICLE REAR SPEED SENSOR
Function:
To generate a signal that the CLF control unit will
convert into wheel speed.
Operation / Operating principle:
Magnetoresistive sensor: a square-wave pulse is
generated with width of approximately 1V across
PIN4 and PIN5.
Electrical circuit diagram - Level in wiring dia-
gram:
Traction control.
Location on the vehicle:
Swingarm, right side, on the brake calliper support
plate.
RSV4 Factory a-PRC Electrical system
ELE SYS - 163
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