The back door can be locked/unlocked and opened/closed by the following procedures.
Locking and unlocking the back door
Opening/closing the back door from inside the vehicle (vehicles with a power back door)
Press and hold the switch to open or close, when the power back door is unlocked. (A buzzer sounds.)
Pressing the switch while the back
door is opening/closing stops the
operation. 
Side doors
Opening the back door from outside the vehicleWhen closing the back door
Lower the back door using the
back door handle.
Vehicles without a power back
door
Make sure to push the back door
down from the outside to close it.
Vehicles with a power back
door
The back door closing assist will
activate, and the back door will
fully close automatically.
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Room temperature sensor circuit
Description
The room temperature sensor is installed in the instrument panel to detect
the room temperature and
control the heater and air conditioner auto mode. The resistance of the room
temperature sensor
changes in accordance with the room temperature. As the temperature decreases,
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Terminals of ecu
Check tire pressure warning ecu
Disconnect the e56 ecu connector.
Measure the voltage and resistance of the wire
harness side connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
Reconnect the e56 ecu connector.
Measure the ...