Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat 500 Factory Service Manual (2007-2024)22 · Fault diagnosis
22 · Diagnostics

Radio

Make
Fiat
Model
500 Factory Service Manual
Year
2007–2024
Section
Radio and accessories etc.. › Radio
Fault diagnosisRadio

RADIO

1.2 8v, 1.3 Multijet, 1.4 16v

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

Test results
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. Restore connections

2. Restore correct 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 by carrying out the

See Test 5570TA RADIO SYSTEM OPERATION CHECK

Move on to Step 3

1. + 30 power supply interrupted

2. Earth power interrupted

1. Restore correct +30 power supply.

2. Restore the correct earth connection.

3AUDIO CONTROLS ON STEERING WHEEL CHECKAll OKProblems encounteredOperation

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

See E3510 RADIO

Move on to Step 4Controls on steering wheel defective

Repair/replace the controls on the steering wheel

Op. 5570T66 MODULE (ONE) ON STEERING WHEEL FOR RADIO CONTROL - R+R

4AUDIO SIGNALS CHECKAll OKProblems encounteredOperation

Check for audio signals at the radio final output stage by carrying out the

See Test

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

1.2 8v, 1.3 Multijet, 1.4 16v · HI-FI

Audio not present from all sources (radio, CD and amplifier)

Test results
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 correct 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 by carrying out

See Test 5570TA RADIO SYSTEM OPERATION CHECK

Move on to Step 31. +30 power supply interrupted2. Earth power interrupted1. Restore correct +30 power supply.2. Restore the correct 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 defective

Repair/replace the controls on the steering wheel

Op. 5570T66 MODULE (ONE) ON STEERING WHEEL FOR RADIO CONTROL - R+R

4AUDIO SIGNALS CHECKAll OKProblems encounteredOperation

Check for audio signals at the radio final output stage

Check for audio signals at the final output stage of the audio amplifier

Check the wiring between the radio, audio amplifier and speakers, carrying out

See Test

End of diagnosis

1. Audio signals at the radio output interrupted because the final audio stage is defective

2. Audio signals at the audio amplifier output interrupted because the final audio stage is defective

3. Audio wiring interrupted

4. Audio amplifier power supply interrupted

5. Subwoofer enablement signal interrupted

1. Replace the radio

Op. 5570T80 CAR RADIO EQUIPMENT - R+R

2. Replace amplifier

Op. 5570T36 AMPLIFIER FOR SPEAKER SYSTEM - R+R

3. Restore correct audio wiring

4. Restore correct power supply

5. Restore correct voltage signal.

Parts & tools for this job For 2007 Fiat 500

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.