Yamaha XT660R(S) Automobile User Manual


 
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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