Yamaha XT660R(S) Automobile User Manual


 
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ELEC
LIGHTING SYSTEM
EAS00781
TROUBLESHOOTING
Check:
1. main, headlight, and parking lighting fuses
2. battery
3. main switch
4. dimmer switch
5. pass switch
6. headlight relay
7. wiring connections
(of the entire lighting system)
NOTE:
_
Before troubleshooting, remove the following
part(s):
1. seat
2. battery cover
3. side panels (left and right)
4. fuel tank side covers (left and right)
5. fuel tank
6. headlight assembly
Troubleshoot with the following special
tool(s).
EAS00738
YES
NO
EAS00739
YES
NO
EAS00749
YES
NO
Any of the following fail to come on:
headlight, high beam indicator light, tail/
brake light, on auxiliary light.
Pocket tester
90890-03112
1. Main, headlight, and parking lighting fuses
Check the main, headlight, and parking
lighting fuses for continuity.
Refer to CHECKING THE FUSES in
chapter 3.
Are the main, headlight, and parking light-
ing fuses OK?
Replace the fuse(s).
2. Battery
Check the condition of the battery.
Refer to CHECKING AND CHARGING
THE BATTERY in chapter 3.
Minimum open-circuit voltage
12.8 V or more at 20 °C (68 °F)
Is the battery OK?
Clean the battery
terminals.
Recharge or
replace the battery.
3. Main switch
Check the main switch for continuity.
Refer to CHECKING THE SWITCHES.
Is the main switch OK?
Replace the main
switch/immobilizer
unit.