| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| 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 with the Body Computer impossible | 1. Continue following the instructions given by the diagnostic equipment2. Move on to Step 5 |
| 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 4 | 1. Presence of errors2. Communication with the instrument panel impossible | 1. Continue following the instructions on the diagnostic instrument2. Move on to Step 2 |
| 2 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check the electricity supply to the Instrument Panel Node is correct. See Test 5560BV Check the instrument panel power supply | 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 | Move on to Step 4 | Electrical connections not operational | Renew the damaged electrical connections |
| 4 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Using an Examiner check, in Body Computer Node mode, that there are no errors | Move on to Step 7 | 1. Impossible to connect to the Body Computer control unit2. Presence of errors | 1. Move on to Step 52. Continue by following the instructions on the diagnostic instrument |
| 5 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check the electricity supply to the Body Computer Node is correct | Move on to Step 6 | Fault in positive electrical supply and/or earth | Replace defective component (in the case of a fuse, find out what caused it to blow) |
| 6 | 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 7 | Impossible to connect to the Body Computer control unit | Replace Body Computer Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R. |
| 7 | CORRECT OPERATION CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the fault is no longer present | End of diagnosis | The fault persists | Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R |
