Troubleshooting - Yamaha Scorpio Service Manual

TROUBLESHOOTING

HEADLIGHT, HIGH BEAM INDICATOR LIGHT, TAILLIGHT AND/OR METER LIGHT DO NOT
COME ON.
Procedure
Check;
1.Lighting coil resistance
2.Lights switch
3.Dimmer switch
NOTE:
Remove the following parts before troubleshooting.
G
1)Side cover (right)
2)Headlight unit
3)Seat
Use the following special tool (s) in this troubleshooting.
G
Pocket tester:
90890-03112
1.Lighting coil resistance
Disconnect the CDI magneto coupler from
G
the wire harness.
Connect the pocket tester (Ω × 1) to the
G
stator coil.
Tester (+) lead → Yellow 1 terminal
Tester (–) lead → Black 2 terminal
Measure the lighting coil resistance.
G
Lighting coil resistance.
0.24 ~ 0.36 Ω at 20°C
(Yellow - Black)
2.Lights switch
Check the lights switch for continuity.
G
Refer to the "CHECKING THE
SWITCHES" section.
MEETS
SPECIFICATION
CORRECT
*
LIGHTING SYSTEM
4.Pass switch
5.Wiring connection (entire lighting system)
OUT OF SPECIFICATION
Replace stator assembly.
INCORRECT
Lights switch is faulty, replace handlebar
switch (right).
7 - 29
– +
ELEC