Troubleshooting - Yamaha FZS1000 2003 Supplementary Service Manual

EAS00781

TROUBLESHOOTING

Any of the following fail to light: headlight,
high beam indicator light, taillight, auxilia-
ry light or meter light.
Check:
1. Main, headlight and ignition fuses
2. Battery
3. Main switch
4. Dimmer switch
5. Pass switch
6. Headlight relay (on/off) (for EUR)
7. Headlight relay (dimmer)
8. Wiring connections
(of the entire charging system)
NOTE:
S Before troubleshooting, remove the following
part(-s):
1) Seat
2) Fuel tank
3) Side cover
S Troubleshoot with the following special
tool(-s).
Pocket tester
90890-03112
EAS00738
1. Main, headlight and ignition fuses
S Check the main, headlight and ignition fuses
for continuity.
Refer to "CHECKING THE FUSES" in
CHAPTER 3. (Manual No.: 5LV1-AE1)
S Are the main, headlight and ignition fuses
OK?
YES
EAS00739
2. Battery
S Check the condition of the battery.
Refer to "CHECKING THE BATTERY" in
CHAPTER 3. (Manual No.: 5LV1-AE1)
Minimum open-circuit voltage
12.8 V or more at 20_C
S Is the battery OK?
NO
Replace the fuse(s).
LIGHTING SYSTEM
EAS00749
3. Main switch
S Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES".
S Is the main switch OK?
EAS00784
4. Dimmer switch
S Check the dimmer switch for continuity.
Refer to "CHECKING THE SWITCHES".
S Is the dimmer switch OK?
EAS00786
5. Pass switch
S Check the pass switch for continuity.
Refer to "CHECKING THE SWITCHES".
S Is the pass switch OK?
–22–
ELEC
YES
S Clean the battery
terminals.
S Recharge
place the battery.
YES
Replace the main
switch.
YES
The dimmer switch is
faulty. Replace the
left handlebar switch.
YES
The pass switch is
faulty.
Replace the left han-
dlebar switch.
NO
or re-
NO
NO
NO