Fuel Reserve Indicator/Fuel Reserve Sensor; Led Drive Unit Battery/Ground Line Inspection - Honda 2003 NPS50 Ruckus Service Manual

LIGHTS/METERS/SWITCHES
FUEL RESERVE INDICATOR/FUEL
RESERVE SENSOR
NOTE:
•
LED DRIVE UNIT BATTERY/GROUND
LINE INSPECTION
Make sure the following items are normal, before
performing this inspection
- Main fuse (20A). sub fuse (1 OA)
- Main relay (page 1 6-1 1 ), Load cut relay (page
1 9-23)
- Ignition switch (page 1 9-20)
- ECM (page 1 6-9)
Remove the inner cover (page 3-5).
Turn the ignition switch to ON.
Measure the voltage between the Black wire termi­
nal of the LED drive unit 6P connector and Ground.
There should be battery voltage only when the igni­
tion switch turns to ON.
If there is no voltage, check for an open or short cir­
cuit in the wire harness.
Check the continuity of G reen/black wire between
the LED drive unit and load cut relay.
There should be continuity. NOTE:
•
SYSTEM INSPECTION
Make sure the battery and ground line of the LED
drive unit is normal, before performing this
inspection.
When the fuel reserve indicator does not light.
1 . Fuel Reserve Sensor Line Inspection
Ground the Blue/white wire terminal of the LED
drive unit 6P connector with a jumper wire.
Turn the ignition switch to ON, check that the
fuel reserve indicator lights.
Does the indicator light?
NO
YES
1 9- 1 2
•
- GO TO STEP 2.
•
- An open circuit in the Blue/white
wire between the LED drive unit 6P
•
and fuel reserve sensor.
An open circuit in the Green/blaclc
wire between the fuel reserve sensor
and load cut relay.
Faulty fuel reserve sensor.