10. TROUBLESHOOTING
10-2-29
Fuel Level Gauge
Fuel level gauge is faulty
Pointer indicates a value
larger than the real fuel level
Unstable pointer
Pointer does not work
YES
NO
Does the pointer
move to "E"?
YES
NO
Is the fuel
level gauge pointer
unstable due to the shaking
of fuel in the fuel
tank?
YES
NO
Is the terminal
No.10A loosened?
Check the connection of the
terminal No.10A of the fuel
lever sensor.
Disconnect the terminal No.11A
(L) of the fuel level sensor,
connect 10 resistance to the
female terminal (harness side)
and ground it.
(Turn on starter switch)
Check if the fuel in the fuel
tank is shaking.
Check the connection of the
terminal No.11A of the fuel
lever sensor.
Disconnect the terminal No.11A
of the fuel level sensor, connect
80 resistance to the female
terminal (harness side) and
ground it.
(Turn on starter switch)
Disconnect the terminal No.4
(L) of the female connecter of
the fuel level gauge, connect
80 resistance and ground it.
Contact failure of
the terminal No.11A
YES
NO
Does the pointer
move to "F"?
Does the pointer
move to "E"?
Replace the fuel
level sensor
Disconnect the terminal No.11A
of the fuel level sensor, connect
10 resistance to the female
terminal (harness side) and
ground it.
(Turn on starter switch)
YES
NO
Does the pointer
move to "F"?
Replace the fuel
level sensor
Disconnect the terminal No.4
(L) of the female connecter of
the fuel level gauge, connect
10 resistance and ground it.
YES
NO
Does the pointer
move to "F"?
Replace wire harness
A or B (Wire breakage)
Replace the fuel
level gauge
YES
NO
Harness is faulty
(Short-circuit)
YES
NO
Is the terminal
loosened?
Contact failure of
the terminal
Replace the fuel
level sensor
Normal
Replace the fuel level gauge
Replace the fuel level gauge
Summary of Contents for ViO12-2A
Page 1: ...SERVICE MANUAL EXCAVATOR ViO12 2A...
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Page 109: ...5 3 1 5 ELECTRIC SYSTEM 5 3 Wiring Diagram...
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Page 117: ...6 HYDRAULIC SYSTEM 6 1 3...
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Page 123: ...6 HYDRAULIC SYSTEM 6 2 1 6 2 Hydraulic Circuit Schematic...
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Page 219: ...6 HYDRAULIC SYSTEM 6 7 8 1 4 3 8 7 12 10 10 15 a b c Loctite 262 0 30Nm 0 45Nm...
Page 348: ...7 ADJUSTMENT AND REPAIR 7 5 31 6 Control Levers Pilot valves Control valve...
Page 349: ...7 ADJUSTMENT AND REPAIR 7 5 32 7 Upperstructure Implement Bucket cylinder Arm cylinder...
Page 351: ...7 ADJUSTMENT AND REPAIR 7 5 34 9 Undercarriage High speed travel solenoid valve...
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Page 360: ...CHAPTER 8 PERIODIC INSPECTION AND SERVICING 8 1 List of Periodic Inspection and Servicing 8 1...
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Page 364: ...CHAPTER 9 FUEL LUBE OIL AND GREASE RECOMMENDED 9 Fuel Lube Oil and Grease Recommended 9 1...
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Page 406: ...CHAPTER 11 REFERENCE DATA 11 1 Specifications for Attachment 11 1...
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