ABS: 4E-37
Front Wheel Speed Sensor On-Vehicle
Inspection
S3RH0A4506005
Output Voltage Inspection
1) Disconnect negative cable from battery.
2) Hoist vehicle a little.
3) Disconnect wheel speed sensor connector.
4) Disconnect wheel speed grommet from vehicle body.
5) Connect voltmeter between connector (1) terminals.
6) While turning wheel by hand at a speed of
approximately 3/4 rotation to 1 1/4 rotation per
second, check AC voltage of sensor.
Output AC voltage at 3/4 to 1 1/4 rotation per
second
53 mV or more
7) If measured voltage is not as specified, check
sensor, ring and their installation conditions.
Reference
When using oscilloscope for this check, check if peak-to-
peak voltage (1) meets specification and waveform is
complete.
Peak-to-peak voltage at 3/4 to 1 1/4 rotation per
second
150 mV or more at 32 – 53 Hz
Front Wheel Speed Sensor Removal and
Installation
S3RH0A4506006
Removal
1) Disconnect negative cable from battery.
2) Disconnect front wheel speed sensor coupler (1).
3) Hoist vehicle and remove wheel.
4) Remove harness clamp bolts (2) and grommet (3).
5) Remove front wheel speed sensor (4) from knuckle.
CAUTION
!
• Do not pull wire harness when removing
front wheel speed sensor.
• Do not cause damage to surface of front
wheel speed sensor and do not allow dust,
etc. to enter its installation hole.
Installation
1) Check that no foreign material is attached to sensor
(1) and sensor ring (2).
2) Install it by reversing removal procedure.
Tightening torque
Front wheel speed sensor bolt (a): 25 N·m (2.5
kgf-m, 18.0 lb-ft)
I2RH01450049-01
I2RH01450050-01
I4RH01450018-01
Содержание Liana RH413
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