|  | TEST RESULTS | 
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Keeping the diagnostic instrument connected, check the following on the BRAKE NODE:- that there are no system/component errors- that there are no CAN faults | Move on to Step 2 | 1. ABS system/components faulty2. Fault on C-CAN network | 1. Continue following the instructions given by the diagnostic equipment2. Move on to Step 9 | 
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Using the Examiner diagnostic equipment check, in Instrument Panel mode, that there are no errors and that the parameters are present. | Move on to Step 3 | Presence of errors | Continue following the instructions on the diagnostic instrument | 
| 3 | ELECTRICAL POWER SUPPLY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Check the electricity supply to the Instrument Panel Node is correct. | Move on to Step 4 | Fault in positive electrical supply and/or earth. | Replace defective component (in the case of a fuse, find out what caused it to blow). | 
| 4 | ELECTRICAL CONNECTIONS CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Check the electrical connections between the Body Computer and the Instrument Panel. In particular, check that each individual pin is properly connected. | Move on to Step 5 | Electrical connections not operational. | Renew the damaged electrical connections. | 
| 5 | ACTIVE DIAGNOSIS CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | With the Examiner in the Instrument Panel Node ambient check that the ESP warning light is correctly activated in Active Diagnosis. | Move on to Step 6 | The ESP warning light does not flash | Replace the Instrument Panel    Op. 5560B10  CONTROL PANEL - R+R | 
| 6 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Using an Examiner check, in Body Computer Node mode, that there are no errors. | End of diagnosis | 1. Impossible to connect to the Body Computer control unit.2. Presence of errors. | 1. Move on to Step 72. Continue by following the instructions on the diagnostic instrument. | 
| 7 | ELECTRICAL POWER SUPPLY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | 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 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Use an Examiner to check the possibility of connection to the Body Computer Node | End of diagnosis | Impossible to connect to the Body Computer control unit. | Replace Body Computer    Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R. |