2398803 - K03 SPEEDOMETER NOT WORKING

During driving the rev counter does not work, or it works irregularly.
Results of the tests
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the Examiner to the diagnostic socketCheck that there are no faults in the instrument panel Continue to Step 2There are errorsProceed in accordance with the instructions given by the diagnostic equipment
2CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Keeping the Examiner connected to the diagnostic socket, check the operation of the pointer in active diagnosisContinue to Step 3The speedometer is not workingReplace instrument panel Op. 5560B11
3ELECTRICAL CIRCUIT CHECKAll OKProblems metOperation
Check connections between instrument panel Body Computer and ABS control unit See   E4010  INSTRUMENT PANEL Continue to Step 4Faulty wiringRestore/replace the wiring: See   E4010  INSTRUMENT PANEL
4CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer present End of diagnosis