Suzuki Wagon R RB310, Supplementary Service Manual

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5E-38 ANTILOCK BRAKE SYSTEM (ABS)
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 1 to 1 1/3 rotation per second
280 mV or more at 20 Hz
REMOVAL
1) Disconnect negative cable from battery.
2) Hoist vehicle.
3) Disconnect rear wheel speed sensor coupler (1).
4) Detach ABS wheel sensor wire harness (2) from suspension
frame (3).
Do not detach clip of rear wheel speed sensor connector
from vehicle body unless replacement is necessary.
5) Remove rear wheel speed sensor (4) from rear axle housing.
SENSOR INSPECTION
• Check sensor for damage.
• Check sensor for resistance and continuity.
Between both terminals of sensor
2WD vehicle : 0.9 – 1.3 k
Ω
at 20°C (68°F)
4WD vehicle : 1.2 – 1.6 k
Ω
at 20°C (68°F)
Between sensor terminal and sensor body
: No continuity
• If the check result is not as specified and any malfunction is
found, replace.
CAUTION:
• Do not pull wire harness when removing rear wheel
speed sensor.
• Do not cause damage to surface of rear wheel speed
sensor and do not allow dust, etc. to enter its installa-
tion hole.