Operation CHARM: Car repair manuals for everyone.

Central Locking Inoperable on Trunk/Tailgate

E1 Verify mechanical functions of central locking module on trunk/tailgate




- Switch off ignition.




- Confirm that the trunk/tailgate can be locked/unlocked manually using the master key or wallet key.


NOTE: When the trunk/tailgate is locked the key should be withdrawn in the vertical position. Otherwise the lock will be in the service security position with the result that the trunk/tailgate central locking module cannot be operated by the central locking system.






If central locking module can be manually operated:
- Continue to E2.

If central locking module cannot be manually operated:
Mechanical fault on central locking module.
- Correct fault or install new central locking module.

E2 Verify power operation of central locking module on trunk/tailgate




- Switch off ignition.




- Lock driver's door with door key.
- Unlock driver's door with door key.




If the power central locking system operates:
- Go to C15.

If the power central locking system is inoperable:
- Go to C18.