11-340
Central Locking
11.9.7.5 Mechanical key / Central Locking Switch Can Not Unlock All Doors
Schematic:
Left Front Door Lock Assembly
Diagnostic Steps:
Note
When there is not a remote control key, use the scan tool special setting function to drive the door locks. Select as the
following sequence: body control module / BCM Special Set Function / lock / unlock dual locks (all doors) / unlock all
doors.
Use the remote control to lock.
Step 1
No
Step 2
Check the remote anti-theft system for potential malfunction.
EC718/EC718RV EC715/EC715RV 10/2009
Body Control Module
Left
Front
Door
switch
Left Rear Door Lock
Right Front Door Lock
Assembly
Assembly
Is the remote control locking working?
Yes
(a)
Check and repair the remote anti-theft system for potential
malfunction.
Is the electric door locking working?
Yes
Right Rear Door Lock
Assembly
Go to step 3
System normal
Body Electric
FE11-5801b