|  |  | Results of the tests | 
| 1 | CHECK KEY REMOTE CONTROL BATTERY | All OK | Problems met | Operation | 
|---|
|  | Check
condition of battery | Continue to Step 2 | Battery discharged | Replace battery | 
| 2 | CHECK ON SYSTEM | All OK | Problems met | Operation | 
|---|
|  | Using
the diagnostic equipment (Examiner), carry out a diagnosis on the
Driver's Door Node | Continue to Step 3 | Error on CAN  line | Restore the line in accordance
with the instructions given in the error breakdown:  See   E3050  ELECTRIC FRONT WINDOWS | 
| 3 | CHECK ON MANUAL OPERATION | All OK | Problems met | Operation | 
|---|
|  | Check
whether the Driver's Door Node, operated manullay, carries out the
opening/closing functions correctlyRepolace Driver's Door Node control unit.  Op.   7005M14 | Continue to Step 4 | It does not even work
manually | Replace
the Body Computer  Op.   5505A32 | 
| 4 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation | 
|---|
|  | Check
that the fault is no longer present |  | Fault persists | Search for the fault starting from another symptom' |