199000863 - K146 ONE WARNING LIGHT OPERATED BY CONTROL PANEL ON CONSTANTLY

When the lights/heated rear windscreen are deactivated from the control panel, the warning light in the instrument panel does not go out
The warning lights activated from the panel are:- Fog lights (left control panel)- Rear fog lamps (left control panel)
Results of the tests
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
With the ignition OFF, activate the hazard warning lights and switch them off checking that they come on/go off. With the ignition ON, turn all the functions on and off using the left control panel, namely:- fog lights-rear fog lamps and check that they are activated/deactivatedMove on to Step 11. The foglamps are not working2. The rear foglamps are not working1. Continue as indicated    See table I020 FOG LIGHTS NOT WORKING 2. Continue as indicated    See table I021 REAR FOG LAMPS NOT WORKING
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Using an Examiner check, in Instrument Panel mode, that there are no errors and that the parameters are present.Move on to Step 2Presence of errorsContinue following the instructions on the diagnostic instrument
2ELECTRICAL POWER SUPPLY CHECKAll OKProblems encounteredOperation
Check the electricity supply to the Instrument Panel Node is correctMove 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 encounteredOperation
Check the wiring between the Body Computer and the Instrument Panel. In particular, check that each individual pin is properly connectedMove on to Step 4Electrical connections not operationalRenew the damaged electrical connections
4ACTIVE DIAGNOSIS CHECKAll OKProblems encounteredOperation
With the Examiner in Instrument Panel Node mode, check that the warning lights in question are correctly activated in Active Diagnosis.Move on to Step 5The warning lights do not flashReplace the Instrument Panel    Op. 5560B10 CONTROL PANEL - R+R
5CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Using the Examiner check, in the Body Computer Node mode, that there are no errors and that the parameters are present.Move on to Step 61. Impossible to connect to the Body Computer control unit.2. Presence of errors3. The parameters do not change1. Move on to Step 62. Continue by following the instructions on the diagnostic instrument3. Move on to Step 8
6ELECTRICAL POWER SUPPLY CHECKAll OKProblems encounteredOperation
Check the electricity supply to the Body Computer Node is correctMove on to Step 7Fault in positive electrical supply and/or earthReplace defective component (in the case of a fuse, find out what caused it to blow)
7CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Use an Examiner to check the possibility of connection to the Body Computer NodeMove on to Step 8Impossible to connect to the Body Computer control unit.Replace Body Computer    Op. 5505A32 BODY COMPUTER - R.R
8CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Check that the fault is no longer presentEnd of diagnosisThe fault persistsContact technical service for further information on the problem