939003644 - K040 BATTERY CHARGING WARNING LIGHT NOT WORKING

the generator warning light does not come with the ignition on
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the Examiner equipment to the diagnostic socket.Check warning light operation in active diagnosis modeMove on to Step 2Warning light does not come onReplace the instrument panel Op.  
2ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the correct power supply to the body computer and in particular the "D+" signal by carrying out    See Test 5530AA CHECK ALTERNATOR TERMINAL "D+"Move on to Step 31.Body Computer power supply incorrect1.Restore correct power supply
2.D+ signal between alternator and Body Computer interrupted due to defective wiring2.Renew the correct wiring
3.Alternator defective3.Replace the alternatorOp. 5530A14 ALTERNATOR - R+R FOR VERSIONS WITH AIR CONDITIONOMG
3CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentEnd of diagnosis