Yamaha 2005 BT1100 Supplementary Service Manual page 104

EAS00799
3. A turn signal light, turn signal indicator light or
both fail to blink.
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".
• Are the turn signal light bulb and socket OK?
YES
2. Turn signal switch
• Check the turn signal for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the turn signal switch OK?
YES
NO
Replace the turn sig-
nal light bulb, socket
or both.
NO
Replace the left han-
dlebar switch.
SIGNALING SYSTEM
3. Voltage
• Connect the pocket tester (DC 20 V) to the
flasher relay coupler (wire harness side) as
shown.
Tester positive probe
Tester negative probe
• Set the main switch to "ON".
• Measure the voltage (12 V) of Brown/Green
1 at the flasher relay coupler (wire harness
side).
• Is the voltage within specification?
YES
4. Voltage
• Connect the pocket tester (DC 20 V) to the
flasher relay coupler (wire harness side) as
shown.
96
ELEC
¡
Brown/Green 1
¡
Ground
NO
The wiring circuit
from the main switch
to the flasher relay
coupler (flasher relay
side) is faulty and
must be repaired.