13, 26_ABS
9-268
EAS20687
13, 26_ABS
EAS33316
TROUBLESHOOTING
Item
Front wheel sensor (abnormal pulse period)
Procedure
TIP
• If the front brake ABS operates continuously for 20 seconds or more, DTC No. 26 will be recorded. If
the front brake ABS operates continuously for 36 seconds or more, DTC No. 13 will be recorded.
• Vehicle possibly ridden on uneven roads.
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 4-38.
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
4-40.
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
4-40.
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, rear 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.
Summary of Contents for YZF-R1
Page 2: ......
Page 6: ......
Page 8: ......
Page 38: ...SPECIAL TOOLS 1 29 ...
Page 55: ...TIGHTENING TORQUES 2 16 ...
Page 60: ...CABLE ROUTING 2 21 Frame rear right side view B A C D 2 1 2 3 4 5 6 7 ...
Page 82: ...CABLE ROUTING 2 43 Front brake hose left side view A 1 1 1 1 2 2 2 3 3 3 4 4 4 3 4 ...
Page 86: ...CABLE ROUTING 2 47 Fuel tank top and left side view A B 1 2 3 4 5 2 5 ...
Page 92: ...CABLE ROUTING 2 53 Air cut off valve right side view A B C C D E 1 2 2 3 3 3 4 4 5 5 5 6 7 ...
Page 100: ...CABLE ROUTING 2 61 Muffler top and left side view 1 1 2 3 3 4 5 5 6 6 4 4 5 6 5 6 A ...
Page 104: ...CABLE ROUTING 2 65 ...
Page 107: ......
Page 144: ...PERIODIC MAINTENANCE 3 37 ...
Page 149: ......
Page 171: ...GENERAL CHASSIS 5 4 22 T R Front muffler protector bolt 7 N m 0 7 kgf m 5 2 lb ft b b a a 1 ...
Page 280: ...CHAIN DRIVE 4 131 ...
Page 336: ...ELECTRIC STARTER 5 53 1 2 3 a b ...
Page 406: ...WATER PUMP 6 17 ...
Page 432: ...AIR INDUCTION SYSTEM 7 25 ...
Page 435: ......
Page 441: ...IGNITION SYSTEM 8 6 ...
Page 449: ...CHARGING SYSTEM 8 14 ...
Page 453: ...LIGHTING SYSTEM 8 18 ...
Page 488: ...ELECTRICAL COMPONENTS 8 53 ...
Page 497: ......
Page 507: ...SYSTEM DIAGRAM 9 10 ...
Page 525: ...STEERING DAMPER SYSTEM 9 28 ...
Page 800: ...91_ABS 9 303 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
Page 801: ...91_ABS 9 304 ...
Page 804: ......
Page 805: ......
Page 806: ......