Workshop Manuals Factory service & repair Fiat
01 00 General information and technical data02 10 Engine03 18 Clutch04 21 Gearbox and differential05 27 Axle06 33 Braking system07 41 Steering08 44 Suspension and wheels09 50 Auxiliary units10 55 Electrical equipment11 70 Bodywork12 Diagnosis13 Tests14 Wiring diagrams
Fiat Seicento Factory Service Manual (1998-2010)12 · Diagnosis
12 · Diagnostics

K20 Fuel gauge does not work

Make
Fiat
Model
Seicento Factory Service Manual
Year
1998–2010
Section
On-board instruments › K20 Fuel gauge does not work
DiagnosisK20 Fuel gauge does not work

K20 Fuel gauge does not work

With the key at MAR, the fuel gauge on the instrument panel does not work (it shows an incorrect level of fuel in the tank).

If the fuel reserve warning light does not work, see table K21.

Step Validity Operation to be performed Test results
All OK Problems found Intervention
1 CHECK INSTRUMENT ELECTRIC CIRCUIT
Check:
– connection between fuel level gauge and instrument
– protection fuse (F22)
– connection between junction unit and instrument
– instrument earth
(Wiring diagram: E4010 "Instruments")
Go to Step 2 Faulty component Replace component (if it is a fuse, investigate the causes that may have triggered it)
Connections cut off Restore components
2 CHECK FUEL LEVEL GAUGE
Check fuel level gauge operation
Go to Step 3 Faulty transmitter Replace the transmitter integrated in the fuel pump
PROCEDURE OP. 1040A70
3 CHECK FUEL LEVEL GAUGE
Check fuel level gauge operation:
DESCRIPTION AND OPERATION 5560.
Go to Step 4 Device does not work Replace fuel gauge
PROCEDURE OP. 5560B40
4 CHECK CORRECT OPERATION
Check the fault is no longer present
End of test – –

Parts & tools for this job For 1998 Fiat Seicento

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