| | Test results |
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Using the Examiner in the Instrument Panel Node mode, check that there are no errors and that the parameters are present | Move on to Step 5 | 1. Impossible to connect with the Instrument Panel control unit2. Presence of errors | 1. Move on to Step 22. Continue following the instructions on the diagnostic instrument |
| 2 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check the electricity supply to the Instrument Panel Node is correct. | Move on to Step 3 | Fault in positive electrical supply and/or earth | Replace defective component (in the case of a fuse, find out what caused it to blow) |
| 3 | ELECTRICAL CONNECTIONS CHECK | All OK | Problems encountered | Operation |
|---|
| Check the wiring between the Body Computer and the Instrument Panel. In particular, check that each individual pin is properly connected see Wiring Diagram See E4010 INSTRUMENT PANEL | Move on to Step 4 | Electrical connections not operational | Renew the damaged electrical connections |
| 4 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Use an Examiner to check the possibility of connection to the Instrument Panel Node | Move on to Step 6 | Impossible to connect with the Instrument Panel control unit | Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R |
| 5 | 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 | Move on to Step 6 | The panel lighting does not activate | Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R |
| 6 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Using the Examiner check, in the Body Computer ambient, that there are no errors and that the lighting parameter varies | End of diagnosis | 1. Impossible to connect to the Body Computer control unit2. Presence of errors3. The parameters do not change | 1. Move on to Step 72. Continue following the instructions on the diagnostic instrument3. Move on to Step 10 |
| 7 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check the electricity supply to the Body Computer Node is correct | Move on to Step 8 | Fault in positive electrical supply and/or earth | Replace defective component (in the case of a fuse, find out what caused it to blow) |
| 8 | CONNECTIONS CHECK | All OK | Problems encountered | Operation |
|---|
| Check the continuity of the wiring between the control panel and the Body Computer Node See E4010 INSTRUMENT PANEL Also check that the Menu +/- buttons are working properly | Move on to Step 9 | 1. Electrical connections not operational2. Buttons faulty | 1. Renew the damaged electrical connections2. Replace the control panel Op. 7040A56 SWITCH UNIT IN DASHBOARD - R.R. |
| 9 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Use an Examiner to check the possibility of connection to the Body Computer Node | Move on to Step 10 | Impossible to connect to the Body Computer control unit | Replace the Body Computer Node Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R. |
| 10 | CORRECT OPERATION CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the fault is no longer present | End of diagnosis | The fault persists | Contact technical service for further information on the problem |
