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Front

Front Speed Sensor:




FRONT SPEED SENSOR INSPECTION
1. Inspect Speed Sensor
a. Remove the fendershield.

Front Speed Sensor Inspection:




b. Disconnect the speed sensor connector.

Front Speed Sensor Inspection:




c. Measure the resistance between terminals.
Resistance: 0.92-1.22 kOhms
If resistance value is not as specified, replace the sensor.

Front Speed Sensor Inspection:




d. Check that there is no continuity between each terminal and sensor body.
If there is continuity, replace the sensor.

e. Connect the speed sensor connector.
f. Install the fendershield.

2. Inspect Sensor Installation

Front Speed Sensor Inspection:




Check that the sensor installation bolt is tightened properly. If not, tighten the bolt.
Torque: 7.8 Nm (69 in.lb)

3. Visually Inspect Sensor Rotor Serrations
a. Remove the drive shaft.

Front Speed Sensor Inspection:




b. Inspect the sensor rotor serrations for scratches, cracks, warping or missing teeth.
c. Install the drive shaft.
NOTE: To prevent damage to the serrations, do not strike the drive shaft.

FRONT SPEED SENSOR AND SENSOR ROTOR SERRATIONS INSPECTION
NOTE: Inspect front speed sensor and sensor rotor serrations by using an oscilloscope

a. Connect an oscilloscope to the speed sensor connector.

Front Speed Sensor Inspection Wave Forms:




b. Run the vehicle at 20 km/h (12.4 mph), and inspect speed sensor output wave.
c. Check that C is 0.5 Volts or more.
If not as specified, replace the speed sensor.
d. Check that B is 70% or more of A.
If not as specified, replace the sensor rotor.