Front

Front Speed Sensor:

INSPECTION OF FRONT SPEED SENSOR
1. Inspect Speed Sensor
a. Remove the bolt from the pipe clamp of the wire harness.
b. Disconnect the speed sensor connector.

Front Speed Sensor Inspection:

c. Measure the resistance between terminals.
Resistance: 0.8 - 1.3 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 bolt of the pipe clamp.
2. Inspect Sensor Installation
a. Check that the sensor installation bolt is tighten properly. If not, tighten the bolt.
Torque: 7.8 N.m (69 in.lb)

Front Speed Sensor Inspection:

b. Check that there is no clearance between the sensor and rear axle carrier as shown in the image.
If there is clearance, replace the sensor.
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.
INSPECTION OF FRONT SPEED SENSOR AND SENSOR ROTOR SERRATIONS
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 drive shaft.