184000430 - F33 DATA NOT AVAILABLE YET / DATA NOT AVAILABLE YET

When the ASR is switched on the 'ASR on' message is not shown on the display for 5 seconds; the LED in the button remains on (indicating that it is switched off).
Results of the tests
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect the Examiner diagnostic equipment to the diagnostic connector and check the following at the brake nodes:

  • for faults in error mode;
  • for plausibility of all parameters in parameter mode;
Continue to Step 2An error is detected in the control unitContinue following the instructions for the diagnostic equipment
2SWITCH CHECKAll OKProblems metOperation
Check the operation of the ASR switch checking that there is a short circuit with the button pressed and an open circuit with the button released See E7021 ASR / TCSContinue to Step 3Faulty switchReplace switch Op. 3350A10
3CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation
Check the continuity/insulation of the ASR switch connections See E7021 ASR / TCSContinue to Step 4No continuity/insulationRestore the correct connections See E7021 ASR / TCS
4CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis.