| | Results of the tests |
| 1 | PRELIMINARY CHECK | All OK | Problems met | Operation |
|---|
| Connect the EXAMINER diagnostic equipment and
check the CAN NETWORK INFORMATION: - For inactive control units
- For control units with errors
- For control units with CAN errors
| Continue to Step 2 | Presence of faults in
the CAN | Continue as instructed by the tester |
| Impossible to converse with the Body Computer | Continue to Step 8 |
| 2 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Keeping
the diagnostic equipment connected, check that there are no CAN
errors at the BRAKE NODE | Continue to Step 2 | Presence of C-CAN faults | Continue to Step 10 |
| 3 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Using
the Examiner check, in the Instrument Panel Node ambient, that there
are no errors and the following parameters are present. | Continue to Step 4 | There are errors | Continue in accordance with
the instructions for the diagnostic equipment |
| 4 | ELECTRIC POWER SUPPLY CHECK | All OK | Problems met | Operation |
|---|
| Check
that the Instrument Panel Node electrical power supply is correct. | Continue to Step 5 | Positive and/or earth
electrical power supply fault. | Replace the defective component (if a fuse
is involved, search for the cause of the problem). |
| 5 | CHECK ELECTRICAL CONNECTIONS | All OK | Problems met | Operation |
|---|
| Check
the electrical connections between the Body Computer and the Instrument
Panel, in particular that each individual pin is correctly connected. | Continue to Step 6 | Electrical connections
not working. | Restore damaged electrical connection. |
| 6 | CHECK WITH ACTIVE DIAGNOSIS | All OK | Problems met | Operation |
|---|
| With
the Examiner in the Instrument Panel Node ambient, check, in active
diagnosis, that the failure warning lights are correctly activated | Continue to Step 7 | The warning lights do
not flash | Replace the instrument panel Op. 5560B11 |
| 7 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Using
the Examiner check, in the Body Computer Node ambient, that there
are no errors | Continue to Step 10 | Impossible to connect
with the Body Computer control unit. | Continue to Step 8 |
| There are errors | Continue in accordance with the instructions for the
diagnostic equipment |
| 8 | ELECTRIC POWER SUPPLY CHECK | All OK | Problems met | Operation |
|---|
| Check
that the Body Computer Node electrical power supply is correct. | Continue to Step 9 | Positive and/or earth
electrical power supply fault. | Replace the defective component (if a fuse
is involved, search for the cause of the problem). |
| 9 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Using
the Examiner, check the possibility of connecting with the Body
Computer Node. | Continue to Step 7 | Impossible to connect
with the Body Computer control unit. | Replace the Body Computer Op. 5505A32 |
| 10 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | The fault persists | Replace the Body Computer Op. 5505A32 |
