Yamaha YFM7FGPW Service Manual page 449

2. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler as shown.
Positive tester probe → brown 1
Negative tester probe → black/white 2
G/Y G/R
Y/L Br
1
• Set the main switch to "ON".
• Measure the voltage (12 V) of brown 1
and black/white 2 at the meter assembly
coupler.
• Is the voltage within specification?
YES
Replace the meter
assembly or ECU.
SIGNALING SYSTEM
Br/B
B/W
2
NO
The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must be
repaired.
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