Yamaha 2005 BT1100, Дополнительное руководство по обслуживанию

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90
ELEC
LIGHTING SYSTEM
The wiring circuit
from the main switch
to the tail/brake light
coupler is faulty and
must be repaired. This circuit is OK.
YES NO
2. Voltage
• Connect the pocket tester (DC 20 V) to the
tail/brake light coupler (wire harness side) as
shown.
Tester positive probe
→
Blue/Red
1
Tester negative probe
→
Black
2
• Set the main switch to “ON”.
• Measure the voltage (12 V) of Blue/Red
1
on the tail/brake light coupler (wire harness
side).
• Is the voltage within specification?
1. License plate light bulb and socket
• Check the license plate light bulb and socket
for continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
• Are the license plate light bulb and socket
OK?
Replace the license
plate light bulb,
socket or both.
EASB0034
4. The license plate light fails to come on.
YES NO
The wiring circuit
from the main switch
to the license plate
light coupler is faulty
and must be re-
paired. This circuit is OK.
YES
NO
2. Voltage
• Connect the pocket tester (DC 20 V) to the
license plate light coupler (wire harness side)
as shown.
Tester positive probe
→
Blue/Red
1
Tester negative probe
→
Black
2
• Set the main switch to “ON”.
• Measure the voltage (12 V) of Blue/Red
1
on the license plate light coupler (wire har-
ness side).
• Is the voltage within specification?
1. Tail/brake light bulb and socket
• Check the tail/brake light bulb and socket for
continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
• Are the tail/brake light bulb and socket OK?
Replace the tail/
brake light bulb,
socket or both.
EAS00790
3. A tail/brake light fails to come on.
YES NO