Workshop Manuals Factory service & repair

Alfa Romeo 156 Factory Service Manual (1997-2002)16 · Fault diagnosis

16 · Diagnostics

N10 Car radio (S.W.)

Make: Alfa Romeo
Model: 156 Factory Service Manual
Year: 1997–2002
Section: Radio and accessories etc. › N10 Car radio (S.W.)

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Fault diagnosisN10 Car radio (S.W.)

N10 Car radio (S.W.)

When the control is operated, the radio does not come on.

Step	Test procedure	Result	Action
1	PRELIMINARY CHECKS Check the intensity of the radio interference	OK	Move onto step 2
		Radio cannot be heard properly	See table N11 CAR RADIO End of diagnosis
		There is interference to the reception	See table N12 BAD RADIO RECEPTION End of diagnosis
2	RADIO CHECK Check the condition of the protective fuse behind the actual radio (Characteristic of working principle 5570T Car radio and car telephone )	OK	Move onto step 3
2		Fuse faulty	Replace the fuse (then search for the cause of the problem) End of diagnosis
3	CORRECT OPERATION CHECK Check, in order: radio protective fuse (service) radio supply radio earth (Wiring diagram E4010 INSTRUMENT PANEL )	OK	Move onto step 4
		Damaged components	Replace the component involved (if a fuse is involved, search for the cause of the problem) End of diagnosis
		Connections not correct	Restore the correct connections (Wiring diagram E4010 INSTRUMENT PANEL ) End of diagnosis
3	CORRECT OPERATION CHECK Check that the fault is no longer present	OK	End of diagnosis
3		Fault persists	Incorrect selection of diagnostic procedure

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Parts & tools for this job For 1997 Alfa Romeo 156

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