SIGNALING SYSTEM
8-21
EAS30501
TROUBLESHOOTING
• Any of the following fail to light: turn signal light, brake light or an indicator light.
• The horn fails to sound.
• The speedometer fails to operate.
TIP
• Before troubleshooting, remove the following part(s):
1. Front side cowling/Front panel/Side cover
2. Passenger seat/Rider seat/Tail cover/Rear side cover
3. Fuel tank cover
4. Fuel tank
5. Air filter case
6. Throttle bodies
7. Drive sprocket cover
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
Checking the signaling system
The horn fails to sound.
NG
→
OK
↓
1. Check the fuses.
(Main, ignition, signaling system,
backup, ABS ECU and hazard light-
ing)
Refer to “CHECKING THE FUS-
ES” on page 8-41.
Replace the fuse(s).
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-42.
• Clean the battery terminals.
• Recharge or replace the battery.
3. Check the main switch.
Refer to “CHECKING THE
SWITCHES” on page 8-40.
Replace the main switch.
4. 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.
Check the condition of each of the sig-
naling system circuits.
Refer to “Checking the signaling sys-
tem”.
1. Check the horn switch.
Refer to “CHECKING THE
SWITCHES” on page 8-40.
Replace the handlebar switch (left).
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: ......