Yamaha FJR1300R, Service Manual

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ELEC
EAS00790
3. The tail/brake light fails to come on.
YES
NO
YES NO
1. Tail/brake light bulb and socket
• Check the tail/brake light bulb and socket
for continuity.
• Are the tail/brake light bulb and socket OK?
Replace the tail/
brake light bulb,
socket or both.
2. Voltage
• Connect the pocket tester (DC 20 V) to the
tail/brake light coupler (wire harness side)
as shown.
Tester positive probe
→
blue
1
Tester negative probe
→
black
2
• Set the main switch to “ON”.
• Measure the voltage (12 V) of blue
1
on
the tail/brake light coupler (wire harness
side).
• Is the voltage within specification?
This circuit is OK. wiring circuit from the
main switch to the
tail/brake light cou-
pler is faulty and
must be repaired.
Ch
Y
L B
Dg
Dg
Y
B L
Ch
1 2
LIGHTING SYSTEM