Yamaha XN125 2000, Service Manual

Page: 241 / 259

ELEC
8-34
SIGNALING SYSTEM
2.Voltage
• Connect the pocket tester (DC V 20) to the
meter light coupler (wire harness side) .
Positive tester probe
→
brown
Negative tester probe
→
black
• Set the main switch to “ON”.
• Measure the voltage (12 V) of brown on the
meter light coupler (wire harness side).
• Is the voltage within specification?
YES NO
Check the wiring
connections of the
entire signaling
system.
3.Fuel level gauge
• Set the main switch to “ON”.
• Move the float up or down.
• Check that the fuel level gauge needle moves
to up or down.
NOTE:
Before reading the fuel level gauge, leave the
float in one position (either up or down) for at
least three minutes.
• Does the fuel level gauge needle move ap-
propriately?
YES NO
Replace the speedo-
meter unit.
4. Wiring
• Check the entire signal system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
• Is the signalling system’s wiring properly
connected and without defects?
YES
NO
Check the condition
of each of the signal-
ling system’s circuits.
Refer to “CHECKING
THE SIGNALLING
SYSTEM”.
Properly connect or
repair the signalling
system’s wiring.