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 WATER PUMP ASSY
(a) Visually check the drain hole for coolant leakage.
(b) Turn the pulley, and check that the water pump bearing
moves smoothly and noiselessly.
If the bearing moves roughly or noisily, replace the water pump
assy.
(c) Visually check the air holes for coolan ...