3308668 - K97 CONTROL PANEL POORLY LIT / NOT LIT

With the side lights and ignition on, the instrument panel is poorly lit / not lit.
Results of the tests
1CHECK INSTRUMENT PANEL BRIGHTNESS ADJUSTERAll OKProblems metOperation
With the ignition and side lights on, check that the instrument panel brightness adjuster is positioned correctly ( See   E2530  INSTRUMENT LIGHTING ) Continue to Step 2 Dimmer faulty Replace brightness adjuster Op.   5560B12 
Connections not correctRestore connections
2CHECKING POWER SUPPLYAll OKProblems metOperation
With the ignition and side lights on, check the positive supply and earth connection of the instrument panel rear light bulbs ( See   E2530  INSTRUMENT LIGHTING ) Continue to Step 3 Incorrect supplyRestore connections
Bulbs faulty Replace instrument panel rear light bulbs Op.   5560B06 
3HECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'