Contents

		Test results
1	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the diagnostic equipment to the diagnostic socket and check the following at the Body Computer Node: - that there are no direction indicator faults - the plausibility of the direction indicators on/off parameter - the operation of the direction indicator bulbs through active diagnosis	Move on to Step 4	1. Direction indicators faulty 2. Parameter does not change status 3. The bulbs do not come on	1. Continue following the instructions given by the diagnostic equipment 2. Move on to Step 2 3. Move on to Step 4
2	ELECTRICAL SYSTEM CHECK	All OK	Problems encountered	Operation
	Check the continuity of the wiring between the centre control panel and the Body Computer Node See E2020 DIRECTION INDICATORS / HAZARD WARNING LIGHTS	Move on to Step 3	Wiring interrupted	Renew the electrical connections See E2020 DIRECTION INDICATORS / HAZARD WARNING LIGHTS
3	CHECK ON OPERATION OF HAZARD WARNING LIGHTS BUTTON	All OK	Problems encountered	Operation
	Check the continuity of the button internal connections See E2020 DIRECTION INDICATORS / HAZARD WARNING LIGHTS	Move on to Step 4	Button faulty	Replace the button Op. 7040A85 INSTRUMENT PANEL CENTRE FRAME - R.R.
4	CORRECT OPERATION CHECK	All OK	Problems encountered	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Replace the body computer Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.