2398757 - G10 NO ACOUSTIC WARNING FOR HANDBRAKE APPLIED WITH VEHICLE MOVING

When the vehicle is moving, the accidental operation of the handbrake is not indicated by the acoustic signal.
The instrument panel node acquires from the network the signal indicating the status of the handbrake switch and the vehicle speed. If the handbrake is operated and the vehicle speed exceeds 4 km/h, an acoustic signal is emitted.
This function may be enabled/disabled via the MODE +/- buttons on the controls panel unit. Make sure that the function has not been incorrectly disabled by the user
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Connect an Examiner and check, in active diagnosis environment, that the buzzer is working properly Continue to Step 1The buzzer does not workReplace the Instrument Panel Node Op. 5560B11
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect an Examiner and check the handbrake switch status has been correctly downloaded while in parameter mode Continue to Step 3Malfunction in downloading of handbrake switch statusesContinue to Step 2
2ELECTRICAL CONNECTIONS CHECKAll OKProblems metOperation
Check the electrical connections between handbrake switch and Body Computer See   E4010  INSTRUMENT PANEL Also check that the handbrake switch is not faultyContinue to Step 3Connections faultyRestore the correct connections See   E4010  INSTRUMENT PANEL
Handbrake switch faultyReplace the handbrake switch Op.   5550D18 
3CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect the Examiner and check on the body computer node:

  • errors in the C-CAN line;
  • errors in the speedometer signal.
Continue to Step 4Error in the C-CAN line.Continue following the instructions for the diagnostic equipment
Error found in speedometer signalContinue according to the instructions See table   K03  SPEEDOMETER NOT WORKING
4CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Keeping the Examiner diagnostic equipment connected, check the following at the instrument panel node:

  • errors in the B-CAN line;
  • errors in the speedometer signal.
Continue to Step 5Error found in the B-CAN line.Continue following the instructions for the diagnostic equipment
Error found in speedometer signal.Continue according to the instructions See table   K03  SPEEDOMETER NOT WORKING
5ELECTRICAL CONNECTIONS CHECKAll OKProblems metOperation
Check the electrical connections between the instrument panel and Body Computer See   E4010  INSTRUMENT PANEL Continue to Step 6Connections faultyRestore the correct connections See   E4010  INSTRUMENT PANEL
6CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer present.End of diagnosisFault persists.Replace the Body Computer Op.   5505A32