199000870 - N010 RADIO

Audio not present from all sources (radio, CD, phone)

		Results of the tests
1	RADIO CONNECTIONS CHECK	All OK	Problems encountered	Operation
	Release the radio from the dashboard and check that the connections are correctly fitted	Move on to Step 2	1. Connections not correctly fitted2. Speaker wiring interrupted/short circuited	1. Refit connections2. Restore wiring    See E3510 RADIO
2	ELECTRICAL CONNECTION CHECK	All OK	Problems encountered	Operation
	Release the radio from the dashboard and check that it is receiving the correct power supply    See E3510 RADIO     See Test 5570TM RADIO SUPPLY CHECK	Move on to Step 3	1. Positive ignition-controlled power supply interrupted2. +30 power supply from body computer interrupted3. Earth power interrupted	1. Restore +15 power supply2. Restore +30 power supply3. Restore earth connection
3	AUDIO CONTROLS ON STEERING WHEEL CHECK	All OK	Problems encountered	Operation
	Check that the audio controls on steering wheel are working properly (if fitted)    See E3510 RADIO	Move on to Step 4	Controls on steering wheel defective	Repair/replace the controls on the steering wheel
4	CHECK AUDIO SIGNALS	All OK	Problems encountered	Operation
	Check for audio signals at the radio final output stage    See Test 5570TL CHECK AUDIO SIGNALS LEAVING RADIO	End of diagnosis	Audio signals at the radio output interrupted because the final audio stage is interrupted	Replace the radio    Op. 5570T80 CAR RADIO EQUIPMENT - R+R