312000240 - I080 HEADLAMP ALIGNMENT CORRECTOR NOT WORKING

When the buttons which control the headlamp alignment are operated (with the dipped headlamps on) it does not work. If the dipped headlamps are not working either, firstly see    See table I005 DIPPED HEADLAMPS NOT WORKING
Test results
1HEADLAMP ALIGNMENT ELECTRICAL CIRCUIT CHECKAll OKProblems encounteredOperation
Check:

  • Continuity of the wiring between the Body Computer and the instrument panel (+12V dipped headlights supply)
  • Continuity of the wiring between the Body Computer and the headlight alignment motor (+12V motor supply)
  • Continuity of the wiring between the instrument panel and the headlight alignment motors (headlight alignment correction positive control signal)
    See E3080 HEADLAMP AGLINMENT CORRECTOR
Move on to Step 2Wiring brokenRestore the correct connections    See E3080 HEADLAMP AGLINMENT CORRECTOR
2MOTOR EARTH CONNECTION CHECKAll OKProblems encounteredOperation
Check the connection to earth for the motors    See E3080 HEADLAMP AGLINMENT CORRECTOR Move on to Step 3Earth defectiveRestore the correct earth connection.
3UP-DOWN BUTTONS CHECKAll OKProblems encounteredOperation
Check that the UP - DOWN buttons in the instrument panel are working properlyMove on to Step 4Buttons defectiveReplace the instrument panel    Op. 5560B10 CONTROL PANEL - R+R
4HEADLAMP ALIGNMENT CONTROL CHECKAll OKProblems encounteredOperation
Check that the headlamp alignment motors are working properly    See E3080 HEADLAMP AGLINMENT CORRECTOR Move on to Step 5Headlamp alignment motor faultyReplace headlamp alignment motorOp. 5540C24 MOTOR (ONE) FOR L/H OR R/H HEADLAMP/LIGHT CLUSTER ALIGNMENT CORRECTION - R+R
5CORRECT OPERATION CHECKAll OKProblems encounteredOperation
Check that the fault is no longer presentEnd of diagnosisThe fault persistsReplace Body Computer    Op. 5505A32 BODY COMPUTER - R.R