The back door can be locked/unlocked and opened/closed by the following procedures.
Automatic door locking and unlocking systems
Locking and unlocking the back doorInspection
1. INSPECT DOOR CONTROL SWITCH ASSY
(a) Inspect the door control switch continuity
If the continuity is not as specified, replace the switch.
2. INSPECT FRONT DOOR LOCK ASSY RH
(a) Inspect the door lock assembly continuity.
If the continuity is not as specified, replace the door ...