| | Results of the tests |
| 1 | PRELIMINARY CHECK | All OK | Problems met | Operation |
|---|
| Press the button repeatedly to check whether the LED in the button changes state. | Continue to Step 2 | The LED in the button does not change state. | Continue as instructed See table K16 CITY WARNING LIGHT ON |
| 2 | 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 6 | Impossible to connect with the Instrument Panel control unit. | Continue to Step 3 |
| There are errors | Continue in accordance with the instructions for the diagnostic equipment |
| 3 | ELECTRIC POWER SUPPLY CHECK | All OK | Problems met | Operation |
|---|
| Check that the Instrument Panel Node electrical power supply is correct | Continue to Step 4 | Positive and/or earth electrical power supply faulty | Replace the component involved (if a fuse is involved, search for the cause of the problem) |
| 4 | 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 See E7045 ELECTRIC STEERING | Continue to Step 5 | Electrical connections not working | Restore damaged electrical connections. See E7045 ELECTRIC STEERING |
| 5 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Using the Examiner, check the possibliity of connecting with the Instrument Panel Node | Continue to Step 7 | Impossible to connect with the Instrument Panel control unit. | Replace the instrument panel Op. 5560B11 |
| 6 | CHECK WITH ACTIVE DIAGNOSIS | All OK | Problems met | Operation |
|---|
| Two-zone climate control system | With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that the CITY warning light is correctly activated | Continue to Step 7 | The warning light does not come on | Replace the instrument panel Op. 5560B11 |
| Two-zone climate control system | With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that all the segments in the LCD are correctly activated | Continue to Step 7 | Some of the display segments are not activated | Replace the instrument panel Op. 5560B11 |
| 7 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check that the fault is no longer present | End of diagnosis | The fault persists | Continue to Step 1 |