| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Using an Examiner check, in Instrument Panel mode, 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 unit | 1. Move on to Step 3. |
| 2. Presence of errors | 2. Continue following the instructions on the diagnostic instrument |
| 2 | ELECTRICAL POWER SUPPLY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the electrical power supply for the "Instrument Panel Node" is correct see wiring diagram See E4010 INSTRUMENT PANEL | 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 | ACTION |
|---|
| Check the wiring between the Body Computer and the Instrument Panel. In particular, check that each individual pin is properly connected. | Move on to Step 4 | Electrical connections not operational | Restore the damaged electrical connections see wiring diagram See E4010 INSTRUMENT PANEL |
| 4 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Using the Examiner, check the possibility of connecting with the Instrument Panel Node | Move on to Step 5 | Impossible to connect to the Instrument Panel | Replace the instrument panel Op. 5560B10 CONTROL PANEL - R+R |
| 5 | INSTRUMENT PANEL ACTIVE DIAGNOSIS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Connect the Examiner equipment to the diagnostic socket.Check the operation of the light check warning light on the instrument panel using active diagnosis | Move on to Step 6 | Light failure warning fails to come on | Replace the instrument panel Op. 5560B10 CONTROL PANEL - R+R |
| 6 | CORRECT OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | End of diagnosis | | |