Yamaha YZF-R1 1998, Service Manual

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ELEC
SIGNALING SYSTEM
EB806010
TROUBLESHOOTING
Check:
1. main and signaling system fuses
2. battery
3. main switch
4. wiring
(of the entire signaling system)
NOTE:
• Before troubleshooting, remove the
following part(-s):
1) seats
2) fuel tank
3) air filter case
4) front cowling inner panels
5) bottom cowling
6) left side cowling
7) windshield
8) rear cowling
• Troubleshoot with the following spe-
cial tool(-s).
• Any of the following fail to light: turn
signal light, brake light or an indicator
light.
• The horn fails to sound.
Pocket tester
90890-03112
EB802400
YES
NO
1.Main and signaling system fuses
• Check the main and signaling system
fuses for continuity.
Refer to “CHECKING AND CHARGING
THE FUSES” in chapter 3.
• Are the main and signaling system fuses
OK?
Replace the fuse(-s).
EB802401
YES
NO
2.Battery
• Check the condition of the battery.
Refer to “CHECKING THE BATTERY” in
chapter 3.
Open-circuit voltage
12.8 V or more at 20 ˚C
• Is the battery OK?
• Clean the battery
terminals.
• Recharge or
replace the battery.
EB802411
YES NO
3.Main switch
• Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the main switch OK?
Replace the main
switch.
EB806400
YES
NO
4.Wiring
• Check the entire signaling system’s wir-
ing.
Refer to “CIRCUIT DIAGRAM”.
• Is the signaling system’s wiring properly
connected and without defects?
Check the condition
of each of the sig-
naling system’s cir-
cuits.
Refer to “CHECK-
ING THE SIGNAL-
ING SYSTEM”. Properly connect
or repair the signal-
ing system’s wir-
ing.