I39 TURN SIGNALS DO NOT WORK WHEN HAZARD KEY IS PRESSED - Lancia - MUSA - eLearn

184000454 - I39 TURN SIGNALS DO NOT WORK WHEN HAZARD KEY IS PRESSED

The hazard warning lights do not work when the button is pressed

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Press the hazard warning lights switch in the control panel and check that the direction indicators/hazard warning lights are activated and deactivatedWith the ignition ON, using the special lever, check that the left/right direction indicators are activated	End of diagnosis	Hazard warning lights faulty	Continue to Step 4
		End of diagnosis	Direction indicators controlled by the stalk unit faulty	Continue to Step 1
1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the Examiner to the diagnostic socket Check: that there are no faults in the Body Computer the operation of the lights in active diagnosis.	Continue to Step 4	Body Computer faulty	Continue according to the instructions for the diagnostic equipment
			Some of the bulbs do not come on	Continue to Step 3
			None of the bulbs manages to come on	Continue to Step 2
2	DIRECTION INDICATORS ELECTRICAL CIRCUIT CHECK	All OK	Problems met	Operation
	Check, in order: connections between steering column switch unit and Body Computer; connections between Body Computer and bulbs bulb earth See E2020 DIRECTION INDICATORS / HAZARD WARNING LIGHTS	Continue to Step 3	Defective component	Replace the component involved (if a fuse is involved, search for the cause of the problem)
		Continue to Step 3	Connections broken	Restore the connections See E2020 DIRECTION INDICATORS / HAZARD WARNING LIGHTS
3	CHECK ON INDIVIDUAL LIGHTS	All OK	Problems met	Operation
	Check the condition of the individual defective bulbs and the light clusters	Continue to Step 4	Front bulb damaged	Change the bulb Op. 5550C18
			Damaged rear bulb	Change the bulb Op. 5550C26
			Side repeater damaged	Replace the side repeater Op. 5550C22
			Rear light cluster faulty	Change light Op. 5540A44
			Left light cluster faulty	Replace the light cluster Op. 5540B78
			Right light cluster faulty	Replace the light cluster Op. 5540B79
4	HAZARD WARNING LIGHTS SWITCH CHECK	All OK	Problems met	Operation
	Check that the hazard warning lights switch in the control panel is working properly	Continue to Step 5	Switch not working properly	Replace the hazard warning lights switch Op. 5550C14
5	CHECK ON BODY COMPUTER SUPPLY	All OK	Problems met	Operation
	Check that the Body Computer is supplied correctly	Continue to Step 6	Incorrect supply	Restore the correct supply See E2020 DIRECTION INDICATORS / HAZARD WARNING LIGHTS
6	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Replace the Body Computer Op. 5505A32