ELEC
3. Horn
SIGNALING SYSTEM
CHECKING THE SIGNALING SYSTEM
1. Horn switch
YES
NO
YES
NO
YES
NO
2. Voltage
Replace the left
handlebar switch.
• Set the main switch to "ON".
• Push the horn switch.
• Measure the voltage (DC 12 V) of brown
on the horn terminal.
• Is the voltage within specification?
The wiring circuit from
the main switch to the
horn connector is
faulty and must be
repaired.
Replace the horn.
1. The horn fails to sound.
• Check the horn switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the horn switch OK?
• Connect the Pocket tester (DC 20 V) to the
horn connector, as shown.
Positive tester probe --> brown
2
2
2
2
2
Negative tester probe --> pink
1
1
1
1
1
• Disconnect the pink connector at the horn
terminal.
• Connect a jumper lead
1
to the horn
terminal.
• Push the horn switch.
• Does the horn sound?
7-33
Horn is OK.
1
1
1
1
1
2
2
2
2
2
1
Br
P
Summary of Contents for YBR250 2007
Page 1: ...YBR250 SERVICE MANUAL 5D1 F8197 E0 2007 ...
Page 2: ......
Page 359: ...YAMAHA MOTOR DA AMAZÔNIA LTDA ...
