23 · Diagnostics

City warning light on

Make: Fiat
Model: Panda Factory Service Manual
Year: 2003–2012
Section: Instrument panel › City warning light on

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Fault diagnosisCity warning light on

CITY WARNING LIGHT ON

After having carried out the initial test, the CITY warning light in the Instrument Panel Node should remain on constantly.

0	PRELIMINARY CHECK	All OK	Problems met	Operation
		Results of the tests
	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
		Continue to Step 5	There are errors	Continue according to the instructions for the diagnostic equipment
2	ELECTRICAL 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 fault.	Replace the defective component (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.	Continue to Step 4	Electrical connections not working.	Restore damaged electrical connections.
4	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Using the Examiner, check whether it is possible to connect with the Instrument Panel Node.	Continue to Step 6	Impossible to connect with the Instrument Panel control unit.	Replace the Instrument Panel Node control unit.
5	CHECK WITH ACTIVE DIAGNOSIS	All OK	Problems met	Operation
	With the Examiner in Instrument Panel Node ambient, check, in Active Diagnosis, that the driving warning light is correctly activated	Continue to Step 6	The component in question is not activated.	Replace the Instrument Panel Node control unit
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 that the specific parameter varies.	Continue to Step 1	Impossible to connect with the Body Computer control unit.	Continue to Step 7
			There are errors	Continue according to the instructions for the diagnostic equipment
			The parameter values do not change	Continue to Step 10
7	ELECTRICAL 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 fault.	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
10	CHECK ON CONNECTIONS	All OK	Problems met	Operation
	Check that the CITY button and the wiring with the Body Computer Node are working properly. See E7045 ELECTRIC STEERING	Continue to Step 11	Button faulty	Replace faulty component
		Continue to Step 11	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	Fault persists	Continue to Step 1

‹ Prev Clock not working Next › City warning light off (initial test not carried out)

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