Yamaha XT660 2004, Руководство по обслуживанию

Страница: 429 / 463

8 - 46
– +
ELEC
SIGNALING SYSTEM
YES NO
6. The speedometer fails to come on.
YES NO
3. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler (wire harness
end) as shown.
Positive tester probe
→
green/white
1
Negative tester probe
→
black/white
2
• Set the main switch to “ON”.
• Measure the voltage (DC 12 V) of green/
white
1
and black/white
2
at the meter
assembly coupler.
• Is the voltage within specification?
This circuit is OK. The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must be
repaired.
Dg G / L R / W
Ch R / G Y
B / W Lg
G / W Y / L
Ch R / G Y
G G / L R / W
G / W Y / L
B / W Lg
2
1
1. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler (wire harness
end) as shown.
Positive tester probe
→
yellow/blue
1
Negative tester probe
→
black/white
2
• Set the main switch to “ON”.
• Elevate the rear wheel and slowly rotate it.
• Measure the voltage (DC 5 V) of yellow/
blue
1
at the meter assembly coupler
(wire harness end).
• Is the voltage within specification?
Replace the meter
assembly.
Dg G / L R / W
Ch R / G Y
B / W Lg
G / W Y / L
Ch R / G Y
G G / L R / W
G / W Y / L
B / W Lg
1
2