199000836 - K018 CITY WARNING LIGHT DOES NOT SWITCH WHEN BUTTON IS OPERATED

When the CITY button is pressed repeatedly, the warning light in the panel does not switch
Results of the tests
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Using the Examiner in Body Computer Node mode check that there are no errors and that the CITY button status has changed.Move on to Step 21. Presence of errors2. The parameter values do not change1. Continue following the instructions on the diagnostic instrument2. Move on to Step 3
2CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Using an Examiner check, in the Electric Steering mode, that there are no errorsMove on to Step 3Presence of errorsContinue following the instructions on the diagnostic instrument
3CONNECTIONS CHECKAll OKProblems encounteredOperation
Check the continuity of the wiring between the CITY button and the Body Computer NodeCheck that the City button connection to earth is correct    See E7045 ELECTRIC STEERING Move on to Step 41. Wiring between button and Body Computer interrupted2. Button connection to earth interrupted1. Restore correct wiring2. Restore earth connection
4CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Check that the fault is no longer presentEnd of diagnosisThe fault persistsReplace the Body Computer Node    Op. 5505A32 BODY COMPUTER - R.R