194002497 - K090 INSTRUMENT LIGHTS NOT WORKING

The instruments do not light up with the ignition ON and the side lights on.
the side lights work properly
0PRELIMINARY CHECKSALL OKPROBLEMS ENCOUNTEREDACTION
Check that the side lights are activated correctly using the steering column switch unit with the ignition ONMove on to Step 1Not even the side lights are workingContinue as described by the diagnostic equipment
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Using the Examiner check, in the Instrument Panel Node ambient, that there are no errors and that the parameters are present.Move on to Step 51. Impossible to connect with the Instrument Panel control unit1. Move on to Step 2
2. Presence of errors2. Continue following the instructions on the diagnostic instrument
2ELECTRICAL POWER SUPPLY CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the electricity supply to the Instrument Panel Node is correct.Move on to Step 3Fault in positive electrical supply and/or earthReplace defective component (in the case of a fuse, find out what caused it to blow).
3CHECK ELECTRICAL CONNECTIONSALL OKPROBLEMS ENCOUNTEREDACTION
Check the wiring between the Body Computer and the Instrument Panel. In particular, check that each individual pin is properly connected.    See E4010 INSTRUMENT PANELMove on to Step 4Electrical connections not operationalRenew the damaged electrical connections
4CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Use an Examiner to check the possibility of connection to the Instrument Panel NodeMove on to Step 5Impossible to connect with the Instrument Panel control unitReplace the Instrument Panel    Op. 5560B10 CONTROL PANEL - R+R
5ACTIVE DIAGNOSIS CHECKALL OKPROBLEMS ENCOUNTEREDACTION
With the Examiner in the Instrument Panel Node ambient check that the panel lighting is correctly activated in Active Diagnosis.Move on to Step 6The panel lighting is not activatedReplace the Instrument Panel    Op. 5560B10 CONTROL PANEL - R+R
6CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Using the Examiner check, in the Body Computer ambient, that there are no errors and that the lighting parameter varies.Move on to Step 71. Impossible to connect to the Body Computer control unit.1. Move on to Step 7
2. Presence of errors2. Continue following the instructions on the diagnostic instrument
3. The parameters do not change3. Move on to Step 9
7ELECTRICAL POWER SUPPLY CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the electricity supply to the Body Computer Node is correct.Move on to Step 8Fault in positive electrical supply and/or earthReplace defective component (in the case of a fuse, find out what caused it to blow).
8CONNECTIONS CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the continuity of the wiring between the control panel and the Body Computer Node    See E4010 INSTRUMENT PANELMove on to Step 9Electrical connections not operationalRenew the damaged electrical connections
9CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Use an Examiner to check the possibility of connection to the Body Computer NodeMove on to Step 10Impossible to connect to the Body Computer control unitReplace Body Computer    Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.
10CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentEnd of diagnosis