K144 ONE WARNING LIGHT ACTIVATED BY STEERING COLUMN SWITCH UNIT ON CONSTANTLY - Fiat - IDEA - eLearn

2398867 - K144 ONE WARNING LIGHT ACTIVATED BY STEERING COLUMN SWITCH UNIT ON CONSTANTLY

When the lights are switched off with the stalk unit, the relevant warning light on the instrument panel does not go out

The warning lights activated from the stalk unit are:

Side/number plate lights
Main beam headlamps
Direction indicators

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	With the ignition on, switch on and off from the stalk unit all the lights in question, namely: With the ring nut, side/number plate lights With the lever, main beam headlamps (both on permanently and flashing) With the lever, direction indicators (right and left) and check that they come on/go out	Continue to Step 1	The side lights are not working	Continue as instructed See table I01 SIDE LIGHTS/NO. PLATE LIGHTS NOT WORKING
			The main beam headlamps do not work	Continue as instructed See table I06 MAIN BEAM HEADLAMPS NOT WORKING
			The direction indicators do not work on both sides	Continue as instructed See table I10 DIRECTION INDICATORS / HAZARD WARNING LIGHTS
			The direction indicators do not work on one side	Continue as instructed See table I12 TURN SIGNALS RH OR LH SIDE NOT WORKING
1	CHECKING 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 2	There are errors	Continue in accordance with 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 ACTIVE DIAGNOSIS	All OK	Problems met	Operation
	With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that the warning lights in question are correctly activated	Continue to Step 5	The warning lights do not flash	Replace the instrument panel Op. 5060B11
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 warning light status varies	Continue to Step 6	Impossible to connect with the Body Computer control unit.	Continue to Step 6
			Errors present.	Continue in accordance with the instructions for the diagnostic equipment.
			The parameter values do not change	Continue to Step 8
6	ELECTRICAL 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	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Using the Examiner, check the possibility of connecting with the Body Computer Node.	Continue to Step 5	Impossible to connect with the Body Computer control unit.	Replace the Body Computer Op. 5505A32
8	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	The fault persists	Replace the Body Computer Op. 5505A32