Yamaha YX600S Service Manual page 261

SIGNAL SYSTEM
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ELEC
I
s
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Brake light does not work.
No voltage
r-------------------.....,, . . . r-----------------.
I
Check for voltage (12V) on "Br" lead at front Wiring circuit from fuse to front
brake switch connector. I ,. brake switch connector is faulty,
r----------il __
0
_K _ _ _ _ _ _ _ _ No voltage
Check for voltage (12V) on "Br" lead at rear
brake switch connector.
OK
Check for voltage (12V) on "G/Y" lead at
front brake switch connector while applying
front brake.
OK
"""""
Check for voltage (12V) on "Y" lead at rear
brake switch connector while applying rear
brake.
OK
"""""
Brake light bulb socket is faulty, replace it.
I
No voltag:_
I
"
No voltage
I
...
I
,.
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"NEUTRAL" indicator light does not come on
r---------------------,
No voltage
Check for voltage (12V) on "Br" lead at indi-
cator light connector.
OK
. - - - - - - - - - - - - - - - - - - - - - N o voltage
Check for voltage (12V) on "Sb" lead at
neutral switch connector.
OK
Check for continuity of neutral switch.
Discontinuity
repair.
Wiring circuit from fuse to rear brake
switch connector is faulty, repair.
Front brake switch is faulty, replace.
Rear brake switch is faulty or
maladjustment, replace or adjust.
Wiring circuit from fuse to indicator
light connector is faulty, repair.
Indicator light bulb is faulty, replace
Neutral switch is faulty, replace.
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