2398812 - K16 CITY WARNING LIGHT ON

After having carried out the initial test, the CITY warning light in the Instrument Panel Node should remain on constantly.
Results of the tests
0PRELIMINARY CHECKAll OKProblems metOperation
Press the button repeatedly to check whether the problem is due to an incorrect setting and check whether the LED in the button changes state.Continue to Step 11Incorrect CITY function setting.Restore the correct function.
The LED in the button does not change state.Continue to Step 6
The LED in the button lights up and then goes out.Continue to Step 1
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the Examiner check, in the Instrument Panel Node ambient, that there are no errors and the following parameters are present Continue to Step 5Impossible to connect with the Instrument Panel control unit.Continue to Step 2
There are errorsContinue in accordance with the instructions for the diagnostic equipment
2ELECTRIC POWER SUPPLY CHECKAll OKProblems metOperation
Check that the Instrument Panel Node electrical power supply is correctContinue to Step 3Positive and/or earth electrical power supply faultyReplace the component involved (if a fuse is involved, search for the cause of the problem)
3CHECK ELECTRICAL CONNECTIONSAll OKProblems metOperation
Check the electrical connections between the Body Computer and the Instrument Panel, in particular that each individual pin is correctly connected See   E7045  ELECTRIC STEERING Continue to Step 4Electrical connections not workingRestore damaged electrical connections. See   E7045  ELECTRIC STEERING
4CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the Examiner, check the possibliity of connecting with the Instrument Panel NodeContinue to Step 6Impossible to connect with the Instrument Panel control unit.Replace the instrument panel Op. 5560B11
5CHECK WITH ACTIVE DIAGNOSISAll OKProblems metOperation
Two-zone climate control systemWith the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that the CITY warning light is correctly activated/deactivatedContinue to Step 6The warning light is not activated/deactivatedReplace the instrument panel Op. 5560B11
Two-zone climate control systemWith the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that all the segments in the LCD are correctly activated/deactivatedContinue to Step 6Some of the segments are not activated/deactivatedReplace the instrument panel Op. 5560B11
6CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the Examiner, check, in the Body Computer Node ambient, that there are no errors and the CITY button status variesContinue to Step 1Impossible to connect with the Body Computer control unitContinue to Step 7
Errors present. Continue in accordance with the instructions for the diagnostic equipment
The parameter values do not changeContinue to Step 10
7ELECTRIC POWER SUPPLY CHECKAll OKProblems metOperation
Check that the Body Computer Node electrical power supply is correctContinue to Step 8Positive and/or earth electrical power supply faultyReplace the defective component (if a fuse is involved, search for the cause of the problem).
8CHECK ON CONNECTIONSAll OKProblems metOperation
Check the continuity of the wiring between the CITY button and the Body Computer Node See   E7045  ELECTRIC STEERING Continue to Step 9Electrical connections not workingRestore damaged electrical connections.
9CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the Examiner, check the possibility of connecting with the Body Computer NodeContinue to Step 6Impossible to connect with the Body Computer control unitReplace the Body Computer Node Op.   5505A32 
10CHECK ON CONNECTIONSAll OKProblems metOperation
Check that the CITY button and wiring with the Body Computer Node are working properly See   E7045  ELECTRIC STEERING Continue to Step 11Button faulty Replace faulty component
Electrical wiring not workingRenew the damaged wiring
11CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer present End of diagnosisThe fault persistsContinue to Step 1