| 0 | PRELIMINARY CHECK | All OK | Problems encountered | Operation |
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| Check the AM/FM aerial is correctly connected See E3510 RADIO | Move on to Step 1 | Aerial connection defective. | Restore the correct connection for the aerial and the radio. |
| 1 | AERIAL CHECK | All OK | Problems encountered | Operation |
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| Check the following, in order:- the aerial coaxial lead continuity;- the correct aerial impedence See E3510 RADIO | Move on to Step 2 | Aerial impedence defective or interrupted. | Replace the aerial Op. 5570T26 AERIAL FOR CAR RADIO - R+R |
| 2 | RECEPTION AREA CHECK | All OK | Problems encountered | Operation |
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| 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 | Operation |
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| Check that the connection between the radio and the speakers is correct See E3510 RADIO | Move on to Step 4 | 1. Discontinuity in the speaker connections.2. Front speakers defective.3. Rear speaker defective. | 1. Restore the correct connections.2. Replace the speakers Op. 5570T90 FRONT SPEAKER (ONE), LEFT OR RIGHT - R.R 3. Replace the speakers Op. 5570T96 REAR SIDE SPEAKER (ONE), LEFT OR RIGHT- R.R |
| 4 | RADIO SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the radio is receiving the correct power supply by carrying out the See Test 5580PD CENTRAL CONSOLE OPERATION CHECK | End of diagnosis. | Radio defective. | Replace the radio Op. 5570T80 CAR RADIO EQUIPMENT - R+R |