FRONT WHEEL
4-16
4. Check:
• Wheel bearings
Front wheel turns roughly or is loose → Re-
place the wheel bearings.
• Oil seals
Damage/wear → Replace.
EAS22010
MAINTENANCE OF THE FRONT WHEEL
SENSOR AND SENSOR ROTOR
CAUTION:
EC3P61031
• Handle the ABS components with care
since they have been accurately adjusted.
Keep them away from dirt and do not sub-
ject them to shocks.
• The front wheel sensor cannot be disas-
sembled. Do not attempt to disassemble it.
If faulty, replace with a new one.
1. Check:
• Front wheel sensor “1”
Cracks/bends/distortion → Replace.
Iron powder/dust → Clean.
2. Measure:
• Front wheel sensor resistance
Out of specification → Replace.
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a. Connect the pocket tester (Ω × 1k) to the front
wheel sensor coupler terminals as shown.
b. Measure the front wheel sensor resistance.
▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲
3. Check:
• Front wheel sensor rotor “1”
Cracks/damage → Replace the front wheel
assembly.
NOTE:
The wheel sensor rotor of the vehicle is inserted
under pressure by a special process and cannot
be replaced as a single unit. To replace the sen-
sor rotor, replace the wheel assembly.
Regulated resistance
1.2–1.6 kΩ at 20 °C (68 °F)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
white “1”
• Negative tester probe →
gray “2”
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