2751070 - K03 SPEEDOMETER NOT WORKING

During driving the rev counter does not work, or it works irregularly.The speed message is supplied by the Brake Node and passes through the Body Computer Node being made available to the Instrument Panel Node via the network. It should be remembered that in the case of a C-CAN error, the signal is supplied by the Brake Node to the Body Computer via line F and made available on the B-CAN from the Body Computer Node.
Results of the tests
0PRELIMINARY CHECKAll OKProblems metOperation
Check that no failure message is displayed with the engine started upContinue to Step 2There are faults detectedContinue to Step 1
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment (Examiner) to the Body Computer.

Check the following on the CAN information network:

  • for inactive control units;
  • control unit errors;
  • absence of control unit with error in CAN line
Continue to Step 2Presence of faults in the CAN networkContinue following the instructions for the diagnostic equipment
Presence of errors at instrument panel nodeContinue to Step 2
2CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment (Examiner) to the diagnostic socket or keep it connected and check that there are no faults at the instrument panel nodeContinue to Step 3Presence of errors or failed dialogue with the diagnostic equipmentContinue following the instructions for the diagnostic equipment
3CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Keepign the diagnostic equipment (Examiner) connected to the diagnostic socket, check the operation of the pointer through active diagnosisContinue to Step 4Rev counter is not workingReplace instrument panel Op. 5560B11
4Continue as instructed by the testerAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis.