Checking The Fuel Sender; Checking The Fuel Meter/Fuel Level Warning Indicator - Yamaha N MAX GPD150-A 2015 Service Manual

• Positive tester probe →
positive battery terminal "1"
• Negative tester probe →
negative battery terminal "2"
1
c. Start the engine and let it run at approximate-
ly 5000 r/min.
d. Measure the charging voltage.
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EAS30573

CHECKING THE FUEL SENDER

1. Remove:
• Fuel pump
(from the fuel tank)
2. Check:
• Fuel sender resistance
Out of specification → Replace the fuel pump
assembly.
Fuel sender
Sender unit resistance (full)
10.0–14.0 Ω
Sender unit resistance (empty)
267.0–273.0 Ω
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a. Connect the pocket tester (Ω × 10/× 100) to
the fuel sender terminals as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
Green "1"
• Negative tester probe →
Black "2"
2
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ELECTRICAL COMPONENTS
R/L
L/B
b. Move the fuel sender float to minimum "3"
and maximum "4" level position.
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c. Measure the fuel sender resistance.
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EAS31557
CHECKING THE FUEL METER/FUEL LEVEL
WARNING INDICATOR
This model is equipped with a self-diagnosis de-
vice for the fuel level detection circuit.
1. Check:
• Fuel meter "1"
• Fuel level warning indicator "2"
(Turn the main switch to "ON".)
Warning light comes on for a few seconds,
then goes off → Warning light is OK.
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Warning light does not come on → Replace
the meter assembly.
Warning light flashes eight times, then goes
off for 3 seconds in a repeated cycle (mal-
function detected in fuel sender) → Replace
the fuel pump assembly.
8-107
4
3
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1 2
2
B
G
1
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