|  |  | Results of the tests | 
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation | 
|---|
|  | Check
that, when the appropraite button on the climate control panel is
pressed, the heated rear window warms up properly. | Continue to Step 
                              1 | The heated rear window
does not warm up properly | See table 
                                 J20 | 
| 1 | CHECK DOOR MIRROR SUPPLY | All OK | Problems met | Operation | 
|---|
|  | Check, in order: (
                               See   E3030  HEATED REAR WINDSCREEN AND DOOR MIRROR DEFROSTING 
                              ).connection to earth of door mirrorssupply line to door mirrors
 | Continue to Step 
                              2 | Connection broken | Restore the connections | 
| 2 | CHECK MIRROR FILAMENTS | All OK | Problems met | Operation | 
|---|
|  | Check
that the filaments in the mirror are intact | Continue to Step 
                              3 | Filaments broken | Repair the heated rear window
filaments If necessary, replace the mirror's reflective element 
                               Op.   7005R35 | 
| 3 | CHECK CORRECT OPERATION | All OK | Problems met | Operation | 
|---|
|  | Check
that the fault is no longer present | End of diagnosis | Fault persists | Search for the
fault starting from another symptom' |