Yamaha XV1700PCR Road Star Warrior, Service Manual

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ELEC
SIGNALING SYSTEM
EAS00796
2. The horn 2 fails to sound.
YES
NO
YES
NO
NO
YES
EAS00797
3. The tail/brake light fails to come on.
YES
NO
1. Horn switch
• Check the horn switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the horn switch OK?
Replace the left han-
dlebar switch.
2. Voltage
• Connect the pocket tester (DC 20 V) to the
horn 2 coupler as shown.
Positive tester probe
→
brown
1
Negative tester probe
→
ground
• Set the main switch to “ON”.
• Push the horn switch.
• Measure the voltage (DC 12 V) of brown
1
at the horn 2 coupler.
• Is the voltage within specification?
The wiring circuit
from the main switch
to the horn coupler is
faulty and must be
repaired.
3. Horn 2
• Disconnect the horn 2 coupler at the horn
2.
• Connect a jumper lead
1
to the brown ter-
minal in the horn coupler and the horn ter-
minal.
• Connect a jumper lead
2
to the horn ter-
minal and ground the jumper lead.
• Set the main switch to “ON”.
• Push the horn switch.
• Does the horn 2 sound?
Replace the horn 2. The horn 2 is OK.
1. Tail/brake light LED
• Check the LED of the tail/brake light.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
• Are the tail/brake light LED OK?
Replace the tail/
brake light assembly.