| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| With the ignition on, switch on and off from the stalk unit all the lights in question, namely: - With the ring nut, side/number plate lights
- With the lever, main beam headlamps (both on permanently and flashing)
- With the lever, direction indicators (right and left)
and check that they come on/go out | Continue to Step 1 | The side lights are not working | Continue as instructed See table I01 SIDE LIGHTS/NO. PLATE LIGHTS NOT WORKING |
| The main beam headlamps do not work | Continue as instructed See table I06 MAIN BEAM HEADLAMPS NOT WORKING |
| The direction indicators do not work on both sides | Continue as instructed See table I10 DIRECTION INDICATORS / HAZARD WARNING LIGHTS |
| The direction indicators do not work on one side | Continue as instructed See table I12 TURN SIGNALS RH OR LH SIDE NOT WORKING |
| 1 | CHECKING 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 2 | There are errors | Continue in accordance with the instructions for the diagnostic equipment |
| 2 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems met | Operation |
|---|
| Check that the Instrument Panel Node electrical power supply is correct. | Continue to Step 3 | Positive and/or earth electrical power supply fault. | Replace the defective component (if a fuse is involved, search for the cause of the problem). |
| 3 | 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 4 | Electrical connections not working. | Restore damaged electrical connections. |
| 4 | CHECK WITH ACTIVE DIAGNOSIS | All OK | Problems met | Operation |
|---|
| With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that the warning lights in question are correctly activated | Continue to Step 5 | The warning lights do not flash | Replace the instrument panel Op. 5060B11 |
| 5 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Using the Examiner, check, in the Body Computer Node ambient, that there are no errors and that the warning light status varies | Continue to Step 6 | Impossible to connect with the Body Computer control unit. | Continue to Step 6 |
| Errors present. | Continue in accordance with the instructions for the diagnostic equipment. |
| The parameter values do not change | Continue to Step 8 |
| 6 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems met | Operation |
|---|
| Check that the Body Computer Node electrical power supply is correct. | Continue to Step 7 | Positive and/or earth electrical power supply fault. | Replace the defective component (if a fuse is involved, search for the cause of the problem). |
| 7 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Using the Examiner, check the possibility of connecting with the Body Computer Node. | Continue to Step 5 | Impossible to connect with the Body Computer control unit. | Replace the Body Computer Op. 5505A32 |
| 8 | 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 |
