3233124 - N10 RADIO

When the control is operated, the radio does not come on.
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Check that the radio shows no signs of life Continue to Step 1 The radio comes on, but is difficult to hear See table   N11 
The radio comes on, but there is interference with channel reception See table   N12 
1CHECKING RADIOAll OKProblems metOperation
Check the condition of the protective fuse behind the actual radio; see DESCRIPTION AND OPERATION: 5570T car radio and car telephone Continue to Step 2 Fuse faultyReplace the damaged fuse (then search for the cause of the problem)
2CHECKING RADIO ELECTRICAL CIRCUITAll OKProblems metOperation

Check, in order:

  • radio protective fuses (service)
  • radio supply
  • radio earth
See   E3510  RADIO 		Continue to Step 3 Component defectiveReplace the component involved (if a fuse is involved, search for the cause of the problem)
Connections not correctRestore connections
3CHECKING RADIOAll OKProblems metOperation
Check the operation of the actual radio: see DESCRIPTION AND OPERATION: 5570T car radio and car telephone Continue to Step 4 Radio faultyReplace the radio
4CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'
When the control is operated, the radio does not come on.
Results of the tests
1PRELIMINARY CHECKSAll OKProblems metOperation
Check the intensity of the radio interference Continue to Step 2 Radio cannot be heard properly See table   N11  RADIO CANNOT BE HEARD, IS HARD TO HEAR
There is interference to the reception See table   N12  POOR RADIO RECEPTION
2CHECKING RADIOAll OKProblems metOperation
Check the condition of the protective fuse behind the actual radio ( Characteristic of working principle   5570T  car radio and car telephone ) Continue to Step 3 Fuse faultyReplace the fuse (then search for the cause of the problem)
3RADIO ELECTRICAL CIRCUIT CHECKAll OKProblems metOperation

Check, in order:

  • radio protective fuse (service)
  • radio supply
  • radio earth ( See E4010 INSTRUMENT PANEL )
 Continue to Step 4 Damaged componentsReplace the damaged component (if a fuse is involved, search for the cause of the problem)
Connections not correct Restore the correct connections ( See E4010 INSTRUMENT PANEL )
4CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'
When the control is operated, the radio does not come on.
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Check that the radio gives no sign of life when the on button is pressed Continue to Step 1 The radio comes on, but is difficult to hear Continue according to the instructions for the See table   N11  RADIO CANNOT BE HEARD, IS HARD TO HEAR
The radio comes on, but there is interference with channel reception Continue according to the instructions See table   N12  POOR RADIO RECEPTION
1CHECKING RADIO ELECTRICAL CIRCUITAll OKProblems metOperation

  • Radio protective fuses (services);
  • Radio supply;
Radio earth See   E3510  RADIO 		Continue to Step 2 Component defectiveReplace the component involved (if a fuse is involved, search for the cause of the problem)
Connections not correctRestore connections
2CHECKING RADIOAll OKProblems metOperation
Check the condition of the protective fuse behind the actual radio; Continue to Step 3 Fuse faultyReplace the fuse (and search for the cause of the problem)
3CHECKING RADIOAll OKProblems metOperation
Check the operation of the actual radio Continue to Step 4 Radio faultyReplace the radio
4CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentSearch for the fault starting from another symptom'