9-192
43_ABS
EAS20696
43_ABS
EAS33330
TROUBLESHOOTING
Item
Front wheel sensor (missing pulses)
Procedure
1. Foreign material adhered around the front wheel sensor
• Check the surface of the sensor rotor and wheel sensor for foreign material, such as metal particles.
2. Incorrect installation of the front wheel
• Check the components for looseness, distortion, and bends.
Refer to “CHECKING THE FRONT WHEEL” on page 4-24.
3. Defective sensor rotor or incorrect installation of the rotor
• Check the surface of the sensor rotor for damage.
Refer to “MAINTENANCE OF THE FRONT WHEEL SENSOR AND SENSOR ROTOR” on page 4-
26.
4. Defective front wheel sensor or incorrect installation of the sensor
• Check the wheel sensor for damage and the installed condition of the sensor.
Refer to “MAINTENANCE OF THE FRONT WHEEL SENSOR AND SENSOR ROTOR” on page 4-
26.
Is check result OK?
YES
Go to step 2.
NO
Clean the sensor rotor and wheel sensor.
Is check result OK?
YES
Go to step 3.
NO
Replace the wheel axle, tire, front wheel, wheel bearings or oil seals.
Is check result OK?
YES
Go to step 4.
NO
Replace the sensor rotor.
Is check result OK?
YES
Replace the hydraulic unit assembly (ABS ECU).
NO
Repair or replace the wheel sensor.
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