Yamaha XV1700PCR Road Star Warrior, Service Manual

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ELEC
SIGNALING SYSTEM
YES
NO
YES
NO
EAS00799
4. The turn signal light, turn signal indicator
light or both fail to blink.
YES
NO
YES
NO
YES
NO
2. Brake light switches
• Check the brake light switches for continu-
ity.
Refer to “CHECKING THE SWITCHES”.
• Is the brake light switch OK?
Replace the brake
light switch.
3. Voltage
• Connect the pocket tester (DC 20 V) to the
tail/brake light assembly coupler (tail sub-
wire harness side) as shown.
Positive tester probe
→
yellow
1
Negative tester probe
→
black
2
• Set the main switch to “ON”.
• Pull in the brake lever or push down on the
brake pedal.
• Measure the voltage (DC 12 V) of yellow
1
on the tail/brake light assembly coupler
(tail sub-wire harness side).
• Is the voltage within specification?
This circuit is OK. The wiring circuit
from the main switch
to the tail/brake light
assembly coupler is
faulty and must be
repaired.
Y L
B
L Y
B
1
2
1. Turn signal light bulb and socket
• Check the turn signal light bulb and socket
for continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
• Is the turn signal light bulb and socket OK?
Replace the turn sig-
nal light bulb, socket
or both.
2. Turn signal indicator light LED
• Check the LED of the turn signal light.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
• Are the turn signal light LED OK?
Replace the speed-
ometer assembly.
3. Turn signal switch
• Check the turn signal switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the turn signal switch OK?
Replace the left han-
dlebar switch.