| | Test results |
| 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. Restore connections2. Restore correct 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 by carrying out the See Test 5570TA RADIO SYSTEM OPERATION CHECK | Move on to Step 3 | 1. + 30 power supply interrupted2. Earth power interrupted | 1. Restore correct +30 power supply.2. Restore the correct earth connection. |
| 3 | AUDIO CONTROLS ON STEERING WHEEL CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the audio controls on the 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 Op. 5570T66 MODULE (ONE) ON STEERING WHEEL FOR RADIO CONTROL - R+R |
| 4 | AUDIO SIGNALS CHECK | All OK | Problems encountered | Operation |
|---|
| Check for audio signals at the radio final output stage by carrying out theSee Test | 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 |
