3360330 - P10 CENTRAL LOCKING / NOT WORKING

When the door lock is operated with the mechanical key or from inside, via the safety catch, the central locking system does not work.
The door open/close command is received by the body computer node via the B-CAN network The Node sends the signal received to the door nodes and the boot compartment node (if present), which open/close the side doors and control boot closure directly.
Results of the tests
0PRELIMINARY CHECKAll OKProblems metOperation
Check the 'independent driver door' option is deactivated.Continue to Step 1Function enabledDisable the instrument panel node function
1PRELIMINARY CHECKAll OKProblems metOperation
Check the problem does not persist when the door is opened/closed from the remaining door lockContinue to Step 3Problem persistsContinue to Step 2
2CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the Examiner and carry out active diagnosis on the defective door node.Continue to Step 3The door does not close/openContinue to Step 4
3CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Keep the Examiner connected and check:

  • for inactive control units;
  • for control units with errors
  • for control units with error in CAN line
Continue to Step 8Presence of anomaliesContinue following the instructions for the diagnostic equipment.
4CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Use the Examine to check that the change in door open/close switch status has been downloadedContinue to Step 7The door open/close switch signal has not been correctly downloaded.Continue to Step 5
5CHECKING ELECTRICAL CIRCUITAll OKProblems metOperation
Check continuity/insulation of the electrical connection between the defective door lock and the door node See   E3040  CENTRAL LOCKING Continue to Step 6Electrical connection interrupted or not insulatedRestore the electrical connection See   E3040  CENTRAL LOCKING
6CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentproblem persistsIf the front door is faulty, change the defective door lock Op.   7005N21  Search for the fault starting from another symptom'
Problem persistsIf the rear door is faulty, change the defective door lock Op.   7010N21  Search for the fault starting from another symptom'
7CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentProblem persistsReplace the defective door Node Search for the fault starting from another symptom'
8CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentProblem persistsReplace the Body Computer Op. 5505A32Search for the fault starting from another symptom'