184000509 - 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
0	PRELIMINARY CHECK	All OK	Problems met	Operation
	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 11	Incorrect 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
1	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Using the Examiner check, in the Instrument Panel Node ambient, that there are no errors and the following parameters are present	Continue to Step 5	Impossible to connect with the Instrument Panel control unit.	Continue to Step 2
			There are errors	Continue in accordance with the instructions for the diagnostic equipment
2	ELECTRIC POWER SUPPLY CHECK	All OK	Problems met	Operation
	Check that the Instrument Panel Node electrical power supply is correct	Continue to Step 3	Positive and/or earth electrical power supply faulty	Replace the component involved (if a fuse is involved, search for the cause of the problem)
3	CHECK ELECTRICAL CONNECTIONS	All OK	Problems met	Operation
	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 4	Electrical connections not working	Restore damaged electrical connections. See E7045 ELECTRIC STEERING
4	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Using the Examiner, check the possibliity of connecting with the Instrument Panel Node	Continue to Step 6	Impossible to connect with the Instrument Panel control unit.	Replace the instrument panel Op. 5560B11
5	CHECK WITH ACTIVE DIAGNOSIS	All OK	Problems met	Operation
Two-zone climate control system	With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that the CITY warning light is correctly activated/deactivated	Continue to Step 6	The warning light is not activated/deactivated	Replace the instrument panel Op. 5560B11
Two-zone climate control system	With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that all the segments in the LCD are correctly activated/deactivated	Continue to Step 6	Some of the segments are not activated/deactivated	Replace the instrument panel Op. 5560B11
6	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Using the Examiner, check, in the Body Computer Node ambient, that there are no errors and the CITY button status varies	Continue to Step 1	Impossible to connect with the Body Computer control unit	Continue to Step 7
			Errors present.	Continue in accordance with the instructions for the diagnostic equipment
			The parameter values do not change	Continue to Step 10
7	ELECTRIC POWER SUPPLY CHECK	All OK	Problems met	Operation
	Check that the Body Computer Node electrical power supply is correct	Continue to Step 8	Positive and/or earth electrical power supply faulty	Replace the defective component (if a fuse is involved, search for the cause of the problem).
8	CHECK ON CONNECTIONS	All OK	Problems met	Operation
	Check the continuity of the wiring between the CITY button and the Body Computer Node See E7045 ELECTRIC STEERING	Continue to Step 9	Electrical connections not working	Restore damaged electrical connections.
9	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Using the Examiner, check the possibility of connecting with the Body Computer Node	Continue to Step 6	Impossible to connect with the Body Computer control unit	Replace the Body Computer Node Op. 5505A32
10	CHECK ON CONNECTIONS	All OK	Problems met	Operation
	Check that the CITY button and wiring with the Body Computer Node are working properly See E7045 ELECTRIC STEERING	Continue to Step 11	Button faulty	Replace faulty component
			Electrical wiring not working	Renew the damaged wiring
11	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	The fault persists	Continue to Step 1