| STEP | OPERATIONS TO BE CARRIED OUT | TEST RESULTS |
|---|
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Connect the diagnostic equipment to the diagnostic connector and check the following at the Connect:In errors ambient | Move on to Step | Presence of faults. | Continue following the instructions for the diagnostic equipment. |
| 2 | ELECTRICAL SYSTEM CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Disconnect the Control Panel at the dashboard and check for a power supply (positive and earth) (Wiring Diagram ) E4091 CONNECT | Move on to Step | Supply not correct | Move on to Step |
| 3 | ELECTRICAL SYSTEM CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Disconnect the Connect from its housing and check:- the condition of the connection to earth
- the presence of the supply positive (Wiring Diagram ) E4091 CONNECT
| Move on to Step | 1. No connection to earth | Move on to Step |
| 2. No power supply positive | Move on to Step |
| 4 | ELECTRICAL SYSTEM CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the continuity/insulation between:- Connect earth contact and dedicated earth point;
- Connect positive contact and Dashboard Junction Unit;
- Dashboard Junction Unit contact and dedicated fuse (Wiring Diagram ) E4091 CONNECT
| Move on to Step | 1. Connection to earth broken/not insulated | 1. Restore the electrical connection to earth (Wiring Diagram ) E4091 CONNECT |
| 2. Positive connection broken/not insulated | 2. Restore the electrical connection to the positive (Wiring Diagram ) E4091 CONNECT |
| 3. Dashboard Junction Unit interrupted internally | 3. Replace the Dashboard Junction Unit See in Op. 5505A10 Junction UNIT - R.R. |
| 5 | ELECTRICAL SYSTEM CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the continuity/insulation of the electrical connections between the Connect and Control Panel (Wiring Diagram ) E4091 CONNECT | Move on to Step | Connections broken/not insulated | Restore the electrical connection. (Wiring Diagram ) E4091 CONNECT |
| 6 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | | Fault persists | Replace the Connect unit See in Op. 5580P20 CONNECT CONTROL UNIT - R.R. |
| 7 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | | Fault persists | Replace the Control Panel |