2398784 - I80 HEADLAMP ALIGNMENT CORRECTOR NOT WORKING

When operated with the dipped beam headlamps on, the headlamp adjustment knob does not work
Results of the tests
1CHECK ON HEADLAMP ALIGNMENT CORRECTOR ELECTRICAL CIRCUITAll OKProblems metOperation

check

  • connection between left control panel and NQS;
  • connection between left front control panel and NBC;
  • left control panel earth;
  • connection between dashboard control unit and headlamp alignment motors;
  • connection between dashboard control unit and instrument panel;
  • headlamp alignment motor and headlamp alignment control earth See   E3080  HEADLAMP AGLINMENT CORRECTOR
Continue to Step 2Connections not correctRestore the connections See   E3080  HEADLAMP AGLINMENT CORRECTOR
Earths defectiveRestore the earth contacts See   E3080  HEADLAMP AGLINMENT CORRECTOR
2CHECK ON HEADLAMP ALIGNMENT CONTROLAll OKProblems metOperation
Check the operation of the headlamp alignment control device See   E3080  HEADLAMP AGLINMENT CORRECTOR Continue to Step 3Headlamp alignment control device faultyReplace the control panel Op.   7040A56 
3CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis.