Honda SH125 Manual page 344

Service manual
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LIGHTS/METERS/SWITCHES
FUEL GAUGEIFUEL LEVEL SENSOR
NOTE:
The fuel level sensor is mounted on the fuel
pump (the fuel pump with the built-in level sen-
sor). Do not disassemble the fuel pump. Replace
the fuel pump as an assembly when the
it
is
fa u I ty
.
SYSTEM INSPECTION
Make sure that the coolant temperature gauge and
indicator function properly.
Remove the luggage box (page 2-5).
Disconnect the fuel pump 5P connector.
Check for continuity between the Greenlblack
(ground) wire terminal of the wire harness side 5P
connector and ground.
There should be continuity.
Remove the front handlebar cover (page 2-11).
Check the Greenlblack and the Yellowlwhite wires
for continuity between the fuel gauge and level sen-
so r
There should be continuity.
If the above checks are abnormal, check for open
circuit or loose connection in the related wires.
If the wires are normal, check the fuel level sen-
sor (page 20-10). If
it
is OK, replace the combina-
tion meter.
FUEL LEVEL SENSOR INSPECTION
Remove the fuel pump assembly (page 5-35).
Measure the resistance between the connector ter-
minals.
STANDARD (20°C/68"F):
Float Position
Terminals
Yellow/white
I
Yellow/white
-
Gravlblack
450
-
750
R
If
it
is out of the specification, replace the fuel pump
assembly.
I
Ye I I
o
wlw h i te
Greei
20-10

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