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 2020
Page 1: ...2020 SERVICE MANUAL YZF R1 YZF R1M YZF1000L YZF1000 YZF1000DL YZF1000D B3L 28197 20 ...
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 88: ...CABLE ROUTING 2 49 Canister A E 1 2 3 4 5 6 B B B C D 7 8 9 10 E F G H E 7 10 11 ...
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: ......
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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 335: ...ELECTRIC STARTER 5 52 1 2 3 a b ...
Page 388: ...TRANSMISSION 5 105 ...
Page 406: ...WATER PUMP 6 17 ...
Page 433: ......
Page 439: ...IGNITION SYSTEM 8 6 ...
Page 447: ...CHARGING SYSTEM 8 14 ...
Page 451: ...LIGHTING SYSTEM 8 18 ...
Page 486: ...ELECTRICAL COMPONENTS 8 53 ...
Page 495: ......
Page 505: ...SYSTEM DIAGRAM 9 10 ...
Page 531: ...STEERING DAMPER SYSTEM 9 36 ...
Page 815: ...91_ABS 9 320 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
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