2888391 - K03 SPEEDOMETER NOT WORKING

With the ignition key ON, the speedometer does not work or works irregularly
Results of the tests
1CHECK SPEEDOMETER ELECTRICAL CIRCUITAll OKProblems metOperation

Check, in order:

  • connection between speedometer and instrument
  • speedometer sensor power supply from the instrument
  • speedometer sensor earth
( See   E4010  INSTRUMENT PANEL ).
Continue to Step 2Component defectiveReplace the component involved (if a fuse is involved, search for the cause of the problem)
Connections brokenRestore the connections
2CHECK SPEEDOMETER SENSORAll OKProblems metOperation
Check the operation of the speedometer sensor Continue to Step 3Sensor not workingReplace the speedometer sensor Op.   2180A36 
3CHECK INSTRUMENTAll OKProblems metOperation
Check the operation of the instrument and the speedometer in particular see DESCRIPTION AND OPERATION: 5560 INSTRUMENT PANELContinue to Step 4Instrument not workingChange the instrument Op.   5560B10 
4CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'