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 doorOn-vehicle inspection
1. CHECK THROTTLE BODY
(a) Listen to the throttle control motor operating sounds.
Turn the ignition switch ON.
When pressing the accelerator pedal position sensor lever, listen
to the running motor. Make sure
no friction noise comes from the motor.
If friction noise exists ...