|  |  | Results of the tests | 
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation | 
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|  | Connect an EXAMINER and check the following on CAN NETWORK INFORMATION:- No control units inactive- No faulty control units- No control units with faulty CAN line | Move on to Step 1 | 1. Fault on CAN network2. Communication impossible with the Body Computer | 1. Continue following the instructions for the diagnostic equipment2. Move on to Step 7 | 
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation | 
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|  | Keeping the diagnostic instrument connected, check the following on the BRAKE NODE:- No system/component errors- No CAN faults | Move on to Step 2 | 1. System/components faulty2. Fault on C-CAN network | 1. Continue following the instructions for the diagnostic equipment2. Move on to Step 9 | 
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation | 
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|  | Using the Examiner check, in the Instrument Panel Node ambient, 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 | Operation | 
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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 | CHECK ELECTRICAL CONNECTIONS | All OK | Problems encountered | Operation | 
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|  | 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 5 | Electrical connections not operational | Renew the damaged electrical connections | 
| 5 | ACTIVE DIAGNOSIS CHECK | All OK | Problems encountered | Operation | 
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|  | With the Examiner in the Instrument Panel Node ambient check that the ABS warning light is correctly activated in Active Diagnosis. | Move on to Step 6 | The ABS warning light does not flash | Replace the Instrument Panel    Op. 5560B10  CONTROL PANEL - R+R | 
| 6 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation | 
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|  | Using the Examiner check, in the Body Computer Node mode, that there are no errors and that the parameters are present. | Move on to Step 9 | 1. Impossible to connect to the Body Computer control unit.2. Presence of errors3. The parameters do not change | 1. Move on to Step 72. Continue by following the instructions on the diagnostic instrument3. Move on to Step 9 | 
| 7 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems encountered | Operation | 
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|  | 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 | Operation | 
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|  | Use an Examiner to check the possibility of connection to the Body Computer Node | Move on to Step 6 | Impossible to connect to the Body Computer control unit. | Replace Body Computer    Op. 5505A32  BODY COMPUTER - R.R | 
| 9 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation | 
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|  | Check that the fault is no longer present | End of diagnosis | The fault persists | Replace the electrohydraulic unit - ABS electronic control unit    Op. 3340A12  ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT - R.R. |