125000545 - I52 INTERIOR REAR LIGHT NOT WORKING

The lights do not work when the switches in the vanity mirrors are activated.
Results of the tests
1LIGHT CHECKAll OKProblems metOperation

Check:

  • The condition of the bulbs
  • The condition of the bulb holders
Continue to Step 2Bulbs or courtesy lights faultyRestore or replace the courtesy light Op.    Op. 7040E21 COURTESY LIGHT FOR SUN VISOR MIRROR (1), LH OR RH - R R
2MIRROR LIGHTS ELECTRICAL CIRCUIT CHECKAll OKProblems metOperation

Check, in order:

Continue to Step 3Connections not correctRestore the correct connections See    See E2520 GLOVE COMPARTMENT LIGHT - LUGGAGE COMPARTMENT LIGHT - SUN VISOR LIGHT
Body Computer earth faultyRestore the earth connection See    See E2520 GLOVE COMPARTMENT LIGHT - LUGGAGE COMPARTMENT LIGHT - SUN VISOR LIGHT
Faulty Body Computer supplyRestore connection See    See E2520 GLOVE COMPARTMENT LIGHT - LUGGAGE COMPARTMENT LIGHT - SUN VISOR LIGHT
3CHECK ON SIGNALAll OKProblems metOperation
Check that when the lights in the mirrors come on, an earth signal is sent from the Body Computer to the courtesy lightsContinue to Step 4No earth signal from Body ComputerRestore the correct supply to the Body Computer. If necessary, replace the Body Computer Op.    Op. 5505A32 BODY COMPUTER - R R
4CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis.