| | Results of the tests |
| 1 | PRELIMINARY CHECK | All OK | Problems encountered | Operation |
|---|
| Press the button repeatedly to check whether the LED in the button changes status | Move on to Step 2 | The LED in the button does not change status | Continue as indicated See table K016 CITY WARNING LIGHT ON |
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Using an Examiner check, in Instrument Panel mode, that there are no errors and that the parameters are present. | Move on to Step 6 | 1. Impossible to connect with the Instrument Panel control unit2. Presence of errors | 1. Move on to Step 32. Continue following the instructions on the diagnostic instrument |
| 3 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check the electricity supply to the Instrument Panel Node is correct. | 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). |
| 4 | CHECK ELECTRICAL CONNECTIONS | 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 see Wiring Diagram See E7045 ELECTRIC STEERING | Move on to Step 5 | Electrical connections not operational | Renew the damaged electrical connections |
| 5 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Using the Examiner, check the possibility of connecting with the Instrument Panel Node | Move on to Step 6 | Impossible to connect with the Instrument Panel control unit | Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R |
| 6 | ACTIVE DIAGNOSIS CHECK | All OK | Problems encountered | Operation |
|---|
| With the Examiner in the Instrument Panel Node ambient check that the CITY warning light is correctly activated/deactivated in Active Diagnosis | Move on to Step 7 | 1. The warning light is not activated2. Some segments of the display are not activated | 1. Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R 2. Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R |
| 7 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Using the Examiner in Body Computer Node mode check that there are no errors and that the CITY button status has changed. | Move on to Step 5 | 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 following the instructions on the diagnostic instrument3. Move on to Step 11 |
| 8 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check the electricity supply to the Body Computer Node is correct. | Move on to Step 9 | Fault in positive electrical supply and/or earth | Replace defective component (in the case of a fuse, find out what caused it to blow) |
| 9 | ELECTRICAL CONNECTION CHECK | All OK | Problems encountered | Operation |
|---|
| Check the continuity of the wiring between the CITY button and the Body Computer Node See E7045 ELECTRIC STEERING | Move on to Step 10 | Electrical connections not operational | Renew the damaged electrical connections |
| 10 | 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 6 | Impossible to connect to the Body Computer control unit. | Replace the Body Computer Node Op. 5505A32 BODY COMPUTER - R.R |
| 11 | CONNECTIONS CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the CITY button is working properly and that the wiring with with the Body Computer Node is correct See Wiring Diagram See E7045 ELECTRIC STEERING | End of diagnosis | 1. Button faulty2. Electrical wiring not working | 1. Replace the defective component2. Repair the damaged wiring |
