Yamaha YZF-R1B 2012 Service Manual page 420

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
EAS27290
TROUBLESHOOTING
• Any of the following fail to light: turn signal light, brake light or an indicator light.
• The horn fails to sound.
TIP
• Before troubleshooting, remove the following part(s):
1. Rider seat
2. Passenger seat
3. Fuel tank
4. Side cowlings
5. Meter assembly
1. Check the fuses.
(Main, ignition, signaling system
and turn signal light)
Refer to "CHECKING THE FUSES"
on page 8-129.
OK↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-129.
OK↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-125.
OK↓
4. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-21.
OK↓
This circuit is OK.
Check the signaling system
The horn fails to sound.
1. Check the horn switch.
Refer to "CHECKING THE
SWITCHES" on page 8-125.
OK↓
2. Check the horn.
Refer to "CHECKING THE HORN"
on page 8-140.
OK↓
email: info@motomatrix.co.uk
SIGNALING SYSTEM
NG→
Replace the fuse(s).
NG→
• Clean the battery terminals.
• Recharge or replace the battery.
NG→
Replace the main switch/immobilizer
unit.
NG→
Properly connect or repair the signal-
ing system's wiring.
NG→
Replace the left handlebar switch.
NG→
Replace the horn.
8-23