Generic Race 50, Service Manual

Page: 42 / 209

41
Trouble diagnosis program for the malfunction that electric horn does not sound
Electric horn
does not sound
Turn on ignition switch and
toggle turn signal lamp switch
to check operation of turn
signal lamp
Turn signal lamp does not come on or
only gives off dim light
Turn signal lamp can give
off bright light
Battery level runs low or circuit
between battery and ignition
switch opened or shorted
Power supply from
battery is normal
Pull off power supply conductor from power line
terminal of electric horn and then score and touch
power supply conductor and ground instantly to
check status of sparks
Sparks are generated
during scoring and touch
No sparks are generated
during scoring and touch
Connect power supply conductor of electric horn and
then make non power line terminal (to terminal of
button) of electric horn contact with ground with a
screwdriver
Power cord between
ignition switch and
electric horn opened
After contact,
electric horn sounds.
After contact, electric
horn does not sound.
Internal contact of horn button
contacts poorly or conductor
between electric horn and button
broken
Adjust volume and tone of electric
horn
After adjustment, electric
horn does not sound yet.
After adjustment, electric horn
sound is set right.
Electric horn has been
damaged
Electric horn adjusted
improperly