C1003
9-80
EAS20563
C1003
EAS33043
TROUBLESHOOTING
Item
Stepping motor: open or short circuit detected.
Fail-safe system
• Able to start engine
• Able to drive vehicle
Procedure
1. Connection of front fork stepping motor coupler.
• Check the locking condition of the coupler.
–Front fork stepping motor (left)
–Front fork stepping motor (right)
–Rear shock absorber assembly stepping motor (
×
2)
• Disconnect the coupler and check the pins (bent or broken terminals and locking condition of the
pins).
2. Connection of SCU coupler.
• Check the locking condition of the coupler.
• Disconnect the coupler and check the pins (bent or broken terminals and locking condition of the
pins).
3. Connection of front fork stepping motor sub-wire harness coupler.
• Check the locking condition of the coupler.
Is the coupler condition normal
?
YES
→
Go to step 2.
NO
a. Connect the coupler securely or replace the wire harness and/or sub-wire harness.
b. Turn the main switch to “OFF” and back to “ON”, and then check the condition of the DTC using the
malfunction mode of the YDT.
Is it in the “Recovered” condition
?
YES
→
Service is completed.
NO
→
Go to step 2.
Is the coupler condition normal
?
YES
→
Go to step 3.
NO
a. Connect the coupler securely or replace the wire harness and/or sub-wire harness.
b. Turn the main switch to “OFF” and back to “ON”, and then check the condition of the DTC using the
malfunction mode of the YDT.
Is it in the “Recovered” condition
?
YES
→
Service is completed.
NO
→
Go to step 3.
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: ......