| | Test results |
| 1 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check the electricity supply to the Instrument Panel Node is correct. | Move on to Step 2 | Fault in positive electrical supply and/or earth | Replace defective component (in the case of a fuse, find out what caused it to blow) |
| 2 | ELECTRICAL CONNECTIONS CHECK | All OK | Problems encountered | Operation |
|---|
| Check the electrical connections between the Body Computer and the Instrument Panel. In particular, check that each individual pin is properly connected. See E4010 INSTRUMENT PANEL | Move on to Step 3 | Electrical connections not operational | Renew the damaged electrical connections |
| 3 | ACTIVE DIAGNOSIS CHECK | All OK | Problems encountered | Operation |
|---|
| With the Examiner in Instrument Panel Node mode, check that the instrument panel light is correctly activated in Active Diagnosis | End of diagnosis | The panel lighting does not activate | Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R |