Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat Doblò Factory Service Manual (2000-2010)22 · Fault diagnosis
22 · Diagnostics

Speedometer not working

Make
Fiat
Model
Doblò Factory Service Manual
Year
2000–2010
Section
Instrument panel › Speedometer not working
Fault diagnosisSpeedometer not working

SPEEDOMETER NOT WORKING

Results of the tests
1'INSTRUMENT PANEL CONTROL UNITS TEST WITH EXAMINER DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Carry out the active diagnosis of the speedometer.

The speed indicator should reach the end of the scale

Continue to Step 2The speedometer does not reach the end of the scaleReplace the instrument panel Op. 5560B11
2'BODY COMPUTER CONTROL UNITS TEST WITH EXAMINER DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Carry out the active diagnosis of the 'vehicle speed signal (CAN)'.

The speed indicator should reach around 100 km/h

Continue to Step 3The speedometer does not indicate around 100 km/hReplace the Body Computer Op. 5505A32
3CHECK SPEEDOMETER ELECTRICAL CIRCUITAll OKProblems metOperation
Check speedometer sensor earth-signal supply See E4010 INSTRUMENT PANELContinue to Step 4Cables broken and/or not insulatedRestore continuity and/or insulation See E4010 INSTRUMENT PANEL
4CHECK SPEEDOMETER SENSORAll OKProblems metOperation
Check the operation of the speedometer sensorContinue to Step 5Speedometer sensor not working.Replace the speedometer sensor Op. 2180A36
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentFault persistsSearch for the fault starting from another symptom'

Parts & tools for this job For 2000 Fiat Doblò

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