H30 ELECTRIC STEERING NOT WORKING / CITY - Lancia - MUSA - eLearn

184000438 - H30 ELECTRIC STEERING NOT WORKING / CITY

When the CITY button is pressed, the function is not activated and greater power assistance for the electric steering is not obtained

1	FUNCTIONAL CHECK	All OK	Problems met	Operation
		Results of the tests
	When pressing the CITY button, check that: The LED in the actual button comes on. The corresponding symbol in the NQS lights up.	Continue to Step 2	Signal in button and symbol off constantly.	Continue to Step 5
			The LED in the button is constantly off whilst the symbol lights up	Continue to Step 3
			The LED in the button lights up, but the symbol does not.	Continue to Step 8
2	CHECK ON CITY FUNCTION	All OK	Problems met	Operation
	Carry out a road test to check that a difference in power assistance takes place when the CITY button on the control panel is pressed See Test 4110A Electric steering operation check	End of diagnosis	LED and symbol are working whilst the servo assistance does not alter	Continue as instructed See table H25 NO ELECTRIC STEERING POWER ASSISTANCE WITH FAILURE WARNING LIGHT NOT ON
3	OPERATION CHECK	All OK	Problems met	Operation
	Check that the CITY button and signal are working properly See E7045 ELECTRIC STEERING	Continue to Step 4	Component not working.	Restore correct operation
4	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	End of diagnosis	Electrical connections not working.	Restore damaged electrical connection.
5	CHECKING 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 7	Impossible to connect with the Body Computer control unit.	Continue to Step 6
			Errors present.	Continue according to the instructions for the diagnostic equipment
			The parameter values do not change	Continue to Step 3
6	ELECTRIC POWER SUPPLY CHECK	All OK	Problems met	Operation
	Check that the Body Computer Node electrical power supply is correct.	Continue to Step 7	Positive and/or earth electrical power supply fault.	Replace the defective component (if a fuse is involved, search for the cause of the problem).
7	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 8	Button faulty	Replace faulty component
		Continue to Step 8	Electrical wiring not working	Renew the damaged wiring.
8	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Using the Examiner, check the possibility of connecting with the Body Computer Node.	End of diagnosis	Impossible to connect with the Body Computer control unit.	Replace the Body Computer Node Op. 5505A32
9	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 13	Impossible to connect with the Instrument Panel control unit	Continue to Step 10
		Continue to Step 13	Errors present.	Continue according to the instructions for the diagnostic equipment
10	ELECTRIC POWER SUPPLY CHECK	All OK	Problems met	Operation
	Check that the Instrument Panel Node electrical power supply is correct.	Continue to Step 11	Positive and/or earth electrical power supply fault.	Replace the defective component (if a fuse is involved, search for the cause of the problem).
11	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 12	Electrical connections not working.	Restore damaged electrical connection.
12	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 4	Impossible to connect with the Instrument Panel control unit.	Replace the Instrument Panel Node control unit Op. 5560B11
13	CHECK WITH ACTIVE DIAGNOSIS	All OK	Problems met	Operation
	With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that the steering failure warning light is correctly activated	Continue to Step 14	The component in question is not activated.	Replace the Instrument Panel Node control unit Op. 5560B11
14	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