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Fiat Grande Punto Factory Service Manual (2005-2012)22 · Fault diagnosis
22 · Diagnostics

Subwoofer not working

Make
Fiat
Model
Grande Punto Factory Service Manual
Year
2005–2012
Section
Radio and accessories etc.. › Subwoofer not working
Fault diagnosisSubwoofer not working

SUBWOOFER NOT WORKING

all the audio channels operate correctly except the subwoofer

Results of the tests
1SUBWOOFER POWER SUPPLY CHECKAll OKProblems encounteredOperation

Check the subwoofer power supply is correct

See E3510 RADIO

See Test 5570TJ SUBWOOFER POWER SUPPLY CHECK

Move on to Step 2Power supply interrupted

Restore correct power supply

See E3510 RADIO

2CHECK THE AUDIO SIGNALS CONTROLLING THE SUBWOOFERAll OKProblems encounteredOperation

Check for the presence of audio signals controlling the subwoofer

See Test 5570TK SUBWOOFER OPERATION AUDIO SIGNALS CHECK

Move on to Step 3Audio signals interruptedRestore the audio signal wiring
3ON ENABLEMENT SIGNAL CHECKAll OKProblems encounteredOperation

Check for the presence of a subwoofer enablement signal

See Test 5570TJ SUBWOOFER POWER SUPPLY CHECK

End of diagnosis

1. Subwoofer activation signal wiring broken

2. Subwoofer defective

3. Radio defective

1. Restore correct wiring

2. Replace the subwoofer

Op. 5580T40 BOSE SOUND SYSTEM SUBWOOFER - R.R.

3. Replace the radio

Op. 5570T80 CAR RADIO EQUIPMENT - R+R

Parts & tools for this job For 2005 Fiat Grande Punto

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