| | Test results |
| 1 | CHASSIS EARTH CHECK | All OK | Problems encountered | Operation |
|---|
| Check the amplifier is correctly earthed | Move on to Step 2 | Power supply interrupted | Restore correct power supply See E3510 RADIO |
| 2 | CHECK THE AUDIO SIGNALS CONTROLLING THE SUBWOOFER | All OK | Problems encountered | Operation |
|---|
| Check for the presence of input audio signals controlling the subwooferCheck for the presence of output audio signals controlling the subwoofer by carrying out theOp. 5570TK CHECK ON SUBWOOFER OPERATION AUDIO SIGNALS | Move on to Step 3 | 1. Audio signals interrupted2. Radio defective | 1. Restore the audio signal wiring2. Replace the radio Op. 5570T80 CAR RADIO EQUIPMENT - R+R |
| 3 | SUBWOOFER AMPLIFIER ENABLEMENT POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check that a subwoofer activation enablement signal is present by carrying outOp. 5570TK | End of diagnosis | 1. Wiring broken2. Radio defective3. Subwoofer defective | 1. Restore correct wiring See E3510 RADIO 2. Replace the radio Op. 5570T80 CAR RADIO EQUIPMENT - R+R 3. Replace the subwooferOp. 5580T40 BOSE SOUND SYSTEM SUBWOOFER - R.R. |
