23 · Diagnostics

Poor radio reception

Fault diagnosisPoor radio reception

POOR RADIO RECEPTION

When the relevant control is operated, the radio comes on but it cannot be heard properly or crackles, radio station reception is disturbed.

1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Use the Examiner to connect to the Connect control unit and check for errors	Move on to Step 2	2. AM/FM aerial connection interrupted because connector incorrectly inserted	1.Repair the connection between aerial and Connect
		Move on to Step 2	2. Aerial impedence defective or interrupted	2. Replace the aerial Op. 5570T27 AERIAL SUPPORT - R.R
2	RECEPTION AREA CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is not present in areas of poor reception. The reception should improve significantly when the vehicle moves away from such areas. If the reception area is very poorly served, attempts to switch between frequencies may be perceived as pauses	Move on to Step 3	Area with poor reception	Move to an area with the radio reception is good and try FM and non-FM stations
3	CHECK SPEAKER OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Test the speakers by carried out the See Test 5580PJ CONNECT AUTODIAGNOSTIC PROCEDURE in SETUP screen 5. Check the connections between the speakers and the radio, see the wiring diagram See E3510 RADIO	Move on to Step 4	1. Connections not correct	1. Repair the connections
			2.Front speakers defective	2. Replace the speakers Op. 5570T90 FRONT SPEAKER (ONE), LEFT OR RIGHT - R.R
			3.Rear speakers	3.Replace the speakers Op. 5570T96 REAR SIDE SPEAKER (ONE), LEFT OR RIGHT- R.R
4	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present	End of diagnosis

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