EAS20697
44_ABS
EAS33325
TROUBLESHOOTING
Item
Rear wheel sensor (missing pulses)
Procedure
1. Foreign material adhered around the rear wheel sensor
• Check the surface of the sensor rotor and wheel sensor for foreign material, such as metal particles.
Is check result OK?
YES
Go to step 2.
NO
Clean the sensor rotor and wheel sensor.
2. Incorrect installation of the rear wheel
• Check the components for looseness, distortion, and bends.
Refer to "CHECKING THE REAR WHEEL" on page 4-33.
Is check result OK?
YES
Go to step 3.
NO
Replace the wheel axle, tire, rear wheel, wheel bearings or oil seals.
3. Defective sensor rotor or incorrect installation of the rotor
• Check the surface of the sensor rotor for damage.
Refer to "MAINTENANCE OF THE REAR WHEEL SENSOR AND SENSOR ROTOR" on page 4-
34.
Is check result OK?
YES
Go to step 4.
NO
Replace the sensor rotor.
4. Defective rear 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 REAR WHEEL SENSOR AND SENSOR ROTOR" on page 4-
34.
Is check result OK?
YES
Replace the hydraulic unit assembly (ABS ECU).
NO
Repair or replace the wheel sensor.
9-193
44_ABS