| | Results of the tests |
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect the Examiner diagnostic equipment and check, in the Instrument Panel Node ambient, that there are no errors and the following parameters are present. | Continue to Step 7 | Impossible to connect with the instrument panel node control unit | Continue to Step 2 |
| There are errors | Continue to Step 5 |
| 2 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems met | Operation |
|---|
| Check that the Instrument Panel Node electrical power supply is correct See E4010 INSTRUMENT PANEL | Continue to Step 3 | Positive and/or earth electrical power supply faulty | Replace the component involved (if a fuse is involved, search for the cause of the problem) |
| 3 | CHECK ELECTRICAL CONNECTIONS | All OK | Problems met | Operation |
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| Check the electrical connections for the Instrument Panel Node, in particular making sure that each individual pin is correctly connected and inserted in its housing | Continue to Step 4 | Electrical connections to the instrument panel node not working | Restore damaged electrical connections |
| 4 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Using the Examiner, check the possibility of connecting with the Instrument Panel Node | Continue to Step 1 | Impossible to connect with the control unit | Replace the Instrument Panel Node Op. 5560B11 |
| 5 | ERRORS CHECK | All OK | Problems met | Operation |
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| With the Examiner in Instrument Panel Node ambient, check that the specific error is not present | Continue to Step 7 | Error detected inside the instrument panel node control unit | Continue to Step 6 |
| 6 | CHECK WITH ACTIVE DIAGNOSIS | All OK | Problems met | Operation |
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| With the Examiner in the Instrument Panel Node ambient, check, in Active Diagnosis, that the function in question is correctly activated | Continue to Step 7 | The component in question is not activated | Replace the Instrument Panel Node control unit Op. 5560B11 |
| 7 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check that the fault is no longer present | End of diagnosis | Fault persists | Continue as described in the Table See table H25 NO ELECTRIC STEERING POWER ASSISTANCE WITH FAILURE WARNING LIGHT NOT ON |