| 1 | CHECK CORRECT POWER SUPPLY TO WOOFER | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the subwoofer power supply is correct by carrying outSee Test 5570TC CHECK ON OPERATION OF SUBWOOFER | Move on to Step 2 | Power supply interrupted | Restore correct power supply, see wiring diagram See E3510 RADIO |
| 2 | CHECK THE AUDIO SIGNALS CONTROLLING THE SUBWOOFER | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check for the presence of audio signals controlling the subwoofer by carrying outSee Test 5570TC | Move on to Step 3 | Audio signals interrupted | Restore the correct audio signal wiring |
| 3 | CHECK SUBWOOFER ACTIVATION ENABLEMENT SIGNAL | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that a subwoofer activation enablement signal is present by carrying outSee Test 5570TC | Move on to Step 4 | 1. Subwoofer activation signal interrupted. | 1. Restore the correct signal. |
| 2. Subwoofer defective | 2. Replace Bose subwoofer Op. 5580T40 BOSE SOUND SYSTEM SUBWOOFER - R.R. |
| 3. Audio amplifier defective. | 3. Replace Bose audio amplifier Op. 5580T42 BOSE SOUND SYSTEM AMPLIFIER - R.R. |
| 4 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | End of diagnosis | | |
