Workshop Manuals Factory service & repair Fiat
Fiat 500 Factory Service Manual (2007-2024)22 · Fault diagnosis
22 · Diagnostics

Subwoofer not working

Make
Fiat
Model
500 Factory Service Manual
Year
2007–2024
Section
Radio and accessories etc.. › Subwoofer not working
Fault diagnosisSubwoofer not working

SUBWOOFER NOT WORKING

1.2 8v, 1.3 Multijet, 1.4 16v

The subwoofer is not working

Test results
1CHASSIS EARTH CHECKAll OKProblems encounteredOperation
Check the amplifier is correctly earthedMove 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 input audio signals controlling the subwoofer

Check for the presence of output audio signals controlling the subwoofer by carrying out the

Op. 5570TK CHECK ON SUBWOOFER OPERATION AUDIO SIGNALS

Move on to Step 3

1. Audio signals interrupted

2. Radio defective

1. Restore the audio signal wiring

2. Replace the radio

Op. 5570T80 CAR RADIO EQUIPMENT - R+R

3SUBWOOFER AMPLIFIER ENABLEMENT POWER SUPPLY CHECKAll OKProblems encounteredOperation

Check that a subwoofer activation enablement signal is present by carrying out

Op. 5570TK

End of diagnosis

1. Wiring broken

2. Radio defective

3. Subwoofer defective

1. Restore correct wiring

See E3510 RADIO

2. Replace the radio

Op. 5570T80 CAR RADIO EQUIPMENT - R+R

3. Replace the subwoofer

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

Parts & tools for this job For 2007 Fiat 500

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