| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Using the Examiner diagnostic equipment check, in Instrument Panel Node mode, that there are no errors and that the parameters are present. | Move on to Step 5 | Presence of errors | Continue by following the instructions on the diagnostic instrument | 
| 2 | INSTRUMENT PANEL ACTIVE DIAGNOSIS | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | 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. | 
| 3 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check that the fault is no longer present | End of diagnosis | The fault persists | Replace body computer    Op. 5505A32  BODY COMPUTER - R.R |