SIGNALING SYSTEM
8-25
QSS (Quick Shift System) does not operate.
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
1. Check that the malfunction indicator
light does not come on.
Repair the faulty parts.
2. Check that the QSS is working un-
der normal QSS operating condi-
tions.
Check the QSS operating conditions ex-
plained in the owner’s manual and operate
the QSS accordingly.
3. Make sure that the QSS is effective.
(Check whether the “QS
” icon
is displayed at the top of the meter.)
Activate the QSS. (Set the QSS to a set-
ting other than “OFF”.)
4. Are you operating while the
“QS
” icon is lit?
Operate while the “QS
” icon is lit.
5. Is the transmission gear display
normal?
Repair the gear position sensor.
6. Check the connection of the cou-
pler between the gear position sen-
sor and the ECU.
Connect the gear position sensor coupler.
7. Are the clutch and neutral switches
normal?
Repair the switch if it is not normal.
8. Check the shift sensor value in the
DIAG mode.
2.5 V when the shift pedal is not be-
ing operated.
4.5 V when the shift pedal is
pressed fully in.
0.5 V when the shift pedal is
pushed fully up.
Replace the shift sensor.
9. Check the entire signaling sys-
tem’s wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-19.
Properly connect or repair the signaling
system’s wiring.
Replace the ECU.
Refer to “REPLACING THE ECU (En-
gine Control Unit)” on page 8-41.
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 ...
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