ELEC
SIGNALING SYSTEM
YES
NO
5. The fuel level gauge fails to operate.
Replace the fuel
gauge.
1. Fuel gauge
• Disconnect the fuel gauge coupler from the
fuel pump.
• Connect the pocket tester (K
Ω
x 1) to the
fuel gauge, as shown.
• Check the fuel gauge for continuity.
• Is the fuel gauge OK?
2. Voltage
YES
NO
The circuit is OK.
The wiring circuit
from the main
switch to the panel
coupler is faulty and
must be repaired.
• Connect the pocket tester (DC 20 V) to the
panel coupler (wire harness), as shown.
Positive tester probe --> green
1
Negative tester probe -->
black
2
• Set the main switch to "ON".
• Measure the voltage (DC 12 V) of green
1
and black
2
on the panel coupler (wire
harness).
• Is the voltage within the specified?
G B
Br
R
Y
B
G
1
2
7-38
Positive tester probe --> green
1
Negative tester probe --> black
2
2
1
Summary of Contents for YBR250 2007
Page 1: ...YBR250 SERVICE MANUAL 5D1 F8197 E0 2007 ...
Page 2: ......
Page 359: ...YAMAHA MOTOR DA AMAZÔNIA LTDA ...
