2888441 - P10 CENTRAL LOCKING / NOT WORKING
When the central locking is operagted using the key, the doors do not open / close at all.| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|---|---|---|---|
| Check that the battery voltage is over 9 V | Continue to Step 1 | Battery voltage below 9 V: in these conditions the door locks are not supplied by the control unit | Restore the correct battery voltage | |
| 1 | CHECK OPERATION OF INDIVIDUAL DOORS | All OK | Problems met | Operation |
| Check that, when the door lock/unlock is operated, none of the locks is activated | Continue to Step 2 | Fault in one of the front locks | Check and if necessary replace the front door lock motors Op. 7005N21 | |
| Fault in one of the rear locks | Check and if necessary replace the rear door lock motors Op. 7010N21 | |||
| Faulty connection between services control unit and one of the locks | Restore the connection between the central locking control unit and the door lock geared motors See E3040 CENTRAL LOCKING | |||
| 2 | CHECK CENTRAL LOCKING ELECTRICAL CIRCUIT | All OK | Problems met | Operation |
Check, in order:
| Continue to Step 3 | Connections not correct | Restore the connections | |
| Component defective | Replace the component involved (if a fuse is involved, search for the cause of the problem) | |||
| Control unit not working | Replace the component involved (if a fuse is involved, search for the cause of the problem) | |||
| 3 | CENTRAL LOCKING CONTROL UNIT CHECK | All OK | Problems met | Operation |
| Check that the central locking control unit is working properly, see DESCRIPTION AND OPERATION: 5505 ELECTRICAL CIRCUIT FOR INSTRUMENTS/INDICATORS | Continue to Step 4 | Control unit not working | Replace the central locking control unit Op. 7010N40 | |
| 4 | CHECKING 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' | |