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 INTAKE AIR CONTROL VALVE ASSY NO.2
(a) Apply 26.7 kPa (200 mmHg, 7.9 in.Hg) of vacuum to the
actuator. Check if the actuator rod pulls the lever and
causes the valve to rotate open, as shown in the illustration.
(b) One minute after applying the vacuum, check that the actuator
ro ...