Service manual

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ELEC
LIGHTING SYSTEM
EBS01067
TROUBLESHOOTING
Check:
1. light switch
2. lighting coil resistance
3. wiring connections
(of the entire lighting system)
NOTE:
_
• Before troubleshooting, remove the following
part(s):
1. seat
2. fuel tank cover
3. side covers (left and right)
4. front fender
• Troubleshoot with the following special
tool(s).
EAS00783
YES
NO
EAS00776
YES
NO
Any of the following fail to light: head-
light, tail/brake light.
Pocket tester
P/N. YU-03112-C, 90890-03112
1. Light switch
• Check the light switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the light switch OK?
Replace the handle-
bar switch.
2. Lighting coil resistance
• Disconnect the A.C. magneto coupler from
the wire harness.
• Connect the pocket tester (
Ω ×
1) to the
lighting coil terminals as shown.
Positive tester probe
→
yellow
1
Negative tester probe
→
ground
2
• Measure the lighting coil resistance.
Lighting coil resistance
0.224 ~ 0.336
Ω
at 20 °C (68 °F)
• Is the lighting coil OK?
Replace the pickup
coil/stator assembly.
WY
1
2
1