Workshop Manuals Factory service & repair Fiat
Fiat Grande Punto Factory Service Manual (2005-2012)22 · Fault diagnosis
22 · Diagnostics

Radio

Make
Fiat
Model
Grande Punto Factory Service Manual
Year
2005–2012
Section
Radio and accessories etc.. › Radio
Fault diagnosisRadio

RADIO

Audio not present from all sources (radio, CD, phone)

Results of the tests
1RADIO CONNECTIONS CHECKAll OKProblems encounteredOperation
Release the radio from the dashboard and check that the connections are correctly fittedMove on to Step 2

1. Connections not correctly fitted

2. Speaker wiring interrupted/short circuited

1. Refit connections

2. Restore wiring

See E3510 RADIO

2ELECTRICAL CONNECTION CHECKAll OKProblems encounteredOperation

Release the radio from the dashboard and check that it is receiving the correct power supply

See E3510 RADIO

See Test 5570TM RADIO SUPPLY CHECK

Move on to Step 3

1. Positive ignition-controlled power supply interrupted

2. +30 power supply from body computer interrupted

3. Earth power interrupted

1. Restore +15 power supply

2. Restore +30 power supply

3. Restore earth connection

3AUDIO CONTROLS ON STEERING WHEEL CHECKAll OKProblems encounteredOperation

Check that the audio controls on steering wheel are working properly (if fitted)

See E3510 RADIO

Move on to Step 4Controls on steering wheel defectiveRepair/replace the controls on the steering wheel
4CHECK AUDIO SIGNALSAll OKProblems encounteredOperation

Check for audio signals at the radio final output stage

See Test 5570TL CHECK AUDIO SIGNALS LEAVING RADIO

End of diagnosisAudio signals at the radio output interrupted because the final audio stage is interrupted

Replace the radio

Op. 5570T80 CAR RADIO EQUIPMENT - R+R

Parts & tools for this job For 2005 Fiat Grande Punto

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