Troubleshooting - Yamaha 2004 YXR660 Service Manual

EB805010

TROUBLESHOOTING

IF THE HEADLIGHTS AND/OR TAILLIGHT FAIL TO COME ON:
Procedure
Check:
1. Fuses (main, lighting system)
2. Battery
3. Main switch
4. Light switch
NOTE:
• Remove the following part(s) before trouble-
shooting:
1) Console
• Use the following special tool(s) for trouble-
shooting.
EB802011
1. Fuses (main, lighting system)
Refer to "CHECKING THE SWITCH" in chap-
ter 9. (Manual No.: 5UG-F8197-10)
EB802012
2. Battery
• Check the battery condition.
Refer to "CHECKING AND CHARGING
THE BATTERY" in chapter 3.
(Manual No.: 5UG-F8197-10)
Open-circuit voltage
12.8 V or more at 20 °C (68 °F)
3. Main switch
Refer to "CHECKING THE SWITCH" in chap-
ter 9. (Manual No.: 5UG-F8197-10)
*
LIGHTING SYSTEM
CONTINUITY
CORRECT
CORRECT
– 44 –
5. Headlight relay
6. Wiring connections
(the entire lighting system)
Pocket tester
P/N. YU-03112-C, 90890-03112
NO CONTINUITY
Replace the fuse(s).
INCORRECT
• Clean the battery terminals.
• Recharge or replace the battery.
INCORRECT
Replace the main switch.
– +
ELEC