K144 ONE WARNING LIGHT ACTIVATED BY STEERING COLUMN SWITCH UNIT ON CONSTANTLY - Fiat - NUOVA 500 - eLearn

312000676 - K144 ONE WARNING LIGHT ACTIVATED BY STEERING COLUMN SWITCH UNIT ON CONSTANTLY

When the lights are deactivated using the steering wheel interface, the associated warning light on the instrument panel does not switch off N.B: The warning lights activated when the steering wheel interface is operated are:

Side lights/number plate lights
Main beam headlamps
Direction indicators

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
		Test results
	With the key to MAR, turn all the lights on and off from the steering wheel interface, i.e.: Using the wheel, side lights/number plate lights With the stalk, high beams (both fixed and flashing positions) - With the lever, direction indicators (right and left); and check that they are activated/deactivated	Move on to Step 1	1. The side lights do not work2. The full beam headlamps do not work3. The direction indicators do not operate on both sides4. The direction indicators do not operate on one side	1. Continue as indicatedSee table I001 2. Continue as indicated See table I006 MAIN BEAM HEADLAMPS NOT WORKING 3. Continue as indicated See table I010 DIRECTION INDICATORS / HAZARD WARNING LIGHTS NOT WORKING 4. Continue as indicated See table I012 LEFT OR RIGHT DIRECTION INDICATORS NOT WORKING
1	ACTIVE DIAGNOSIS CHECK	All OK	Problems encountered	Operation
	With the Examiner in Instrument Panel Node mode, check that the warning lights in question are correctly activated in Active Diagnosis.	Move on to Step 2	The warning lights do not flash.	Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R
2	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Using the Examiner check that the steering column switch unit is working properly in the Body Computer Node ambient	Move on to Step 3	Steering column switch unit defective	Replace the steering column switch unit Op. 5550A10 STALK UNIT ASSEMBLY - R+R
3	ELECTRICAL POWER SUPPLY CHECK	All OK	Problems encountered	Operation
	Check the electricity supply to the Body Computer Node is correct.	Move on to Step 4	Fault in positive electrical supply and/or earth.	Replace defective component (in the case of a fuse, find out what caused it to blow).
4	BODY COMPUTER OPERATION CHECK	All OK	Problems encountered	Operation
	Check that the Body Computer Node is working properly.	End of diagnosis	Body Computer defective	Replace Body Computer Op. 5505A32 BODY COMPUTER - R.R