Yamaha YFM350R-W Supplementary Service Manual page 62

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EAS00789
3. The meter light fails to come on.
1. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler (wire harness
side) as shown.
Positive tester probe → brown/blue 1
Negative tester probe → black 2
P
W
Ch
Br/L
Br/L
1
• Set the main switch to "ON".
• Measure the voltage (DC 12 V) of brown/
blue 1 on the meter assembly coupler
(wire harness side).
• Is the voltage within specification?
YES
Replace the meter
assembly.
Y/B
Br
V
Y
B
Dg
Y
2
NO
The
wiring
circuit
from the main switch
to the meter assem-
bly coupler is faulty
and
must
repaired.
LIGHTING SYSTEM
EAS00791
4. The auxiliary light fails to come on.
1. Auxiliary light bulb and socket
• Check the auxiliary light bulb and socket
for continuity.
• Are the auxiliary light bulb and socket OK?
2. Voltage
• Connect the pocket tester (DC 20 V) to the
auxiliary light connector (wire harness
side) as shown.
Positive tester probe → brown/blue 1
Negative tester probe → black 2
• Set the main switch to "ON".
be
• Measure the voltage (DC 12 V) of brown/
blue 1 on the auxiliary light connector
(wire harness side).
• Is the voltage within specification?
This circuit is OK.
– 55 –
ELEC
YES
Replace the auxiliary
light bulb, socket or
both.
1
Br
Br/L
Y
G
G Y
B
B
2
YES
The
wiring
from the main switch
to the auxiliary light
connector is faulty
and
must
repaired.
+
NO
NO
circuit
be

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