POWER TRUNK LID SYSTEM

FUNCTION OB MAIN COMPONENTS

Component	Function
Luggage Closer Motor Assembly Luggage Closer Motor	Opens and closes the luggage compartment door when actuated by the power trunk lid ECU.
Luggage Door Closer Assembly Luggage Door Closer Motor Half Switch Pawl Switch	In accordance with the signals received from the power trunk lid ECU, the luggage door closer assembly automatically closes the luggage compartment door that is ajar to the fully closed state. This is accomplished by actuating the motor to push and turn the latch in order to pull the striker in. Upon receiving the open signals from the power trunk lid ECU, the system actuates the motor to disengage the latch. As a result, the striker disengages from the latch, enabling the luggage compartment door to open.
Kick Door Control Sensor*1	Detects touchless kick actuation operations. The power trunk lid opens and closes when the touchless kick actuation operation is detected.
Luggage Door Opening Cancel Switch Assembly	Prohibits power trunk lid system operation when set to off.
Trunk and Fuel Switch Assembly Luggage Door Opening Switch	Sends an on signal to the main body ECU in order to open the power trunk lid from the cabin.
Luggage Electrical Key Switch	Sends an on signal to the certification ECU in order to open the power trunk lid from the outside.
Power Trunk Lid Closer Switch (Door Control Switch)	Sends an on signal to the power trunk lid ECU in order to close the power trunk lid from the outside.
Electrical Key (Electrical Key Transmitter Sub-assembly) Luggage Door Opener Switch	Receives signals from the antennas and returns the ID code to the door control receiver. Sends a power trunk lid open switch on signal to the door control receiver.
Card Key (Electrical Key (Card Key) Transmitter Sub-assembly)*2	Receives signals from the antennas and returns the ID code to the door control receiver.
Door Control Receiver	Receives the ID code from the electrical key or card key*2 in the actuation area and transmits it to the certification ECU. Sends a luggage door opener switch on signal received from the electrical key transmitter sub-assembly to the certification ECU.
No. 3 Indoor Electrical Key Antenna Assembly	Receives a request signal from the certification ECU and forms an actuation area in the luggage compartment door.
Electrical Key Antenna	Receives a request signal from the certification ECU and forms an actuation area around the luggage compartment door.
Wireless Door Lock Buzzer*3	Sounds once when the luggage compartment door is opened using the electrical key.
Power Trunk Lid ECU (Multiplex Network Door ECU)	Detects the vehicle condition using ECU, sensor and switch signals and controls the entire power trunk lid system. Receives power trunk lid open or close request signals from ECUs, sensor and switches, outputs unlock signals to the luggage closer motor assembly and luggage door closer assembly and operates the luggage door closer motor and luggage door closer motor.
Main Body ECU (Multiplex Network Body ECU)	When the luggage door opening switch is pressed, the main body ECU transmits a signal to the power trunk lid ECU. Outputs wireless door lock buzzer sounding request signals when a power trunk lid open operation is performed according to electrical key operation.*3
Certification ECU (Smart Key ECU Assembly)	Controls the antennas and forms entry lock/unlock detection areas. Sends a power trunk lid open signal to the power trunk lid ECU.
Hybrid Vehicle Control ECU	Sends the shift position signal and stop light switch assembly on signal to the power trunk lid ECU.
Skid Control ECU Assembly	Sends a vehicle speed signal to the power trunk lid ECU.
Parking Brake ECU Assembly	Sends the electric parking brake condition to the power trunk lid ECU.
Combination Meter Assembly	Prohibits hands free power trunk lid operation when set to off.*1 Sends a vehicle speed signal to the main body ECU. Flashes the hazard warning lights as an answer back operation when a power trunk lid open operation is performed according to electrical key operation.
Central Gateway ECU (Network Gateway ECU)	Relays the signal between the CAN communication lines.
DLC3	The Techstream can be connected to read the Diagnostic Trouble Codes (DTCs) of malfunctions. The Techstream can be connected to change settings as desired by the user.

*1: Models with hands free power trunk lid

*2: Models with card key

*3: Models with answer back buzzer function

OPERATING CONDITION

The operating conditions of the power trunk lid system are as follows:

Operation	Condition
Power Trunk Lid Open	When the luggage compartment door is closed and any door is unlocked condition, and any of the following conditions is met, the luggage compartment door can be opened by pressing the luggage door opening switch or luggage electrical key switch: Power switch is off. Power switch is on (IG), vehicle speed is approximately 3 km/h (approximately 2 mph) or less and shift position is in P. Power switch is on (IG), vehicle speed is approximately 3 km/h (approximately 2 mph) or less and brake pedal is depressed. Power switch is on (IG), vehicle speed is approximately 3 km/h (approximately 2 mph) or less and parking brake is engaged.
	When the luggage compartment door is closed and all door is locked condition,and any of the following conditions is met, the luggage compartment door can be opened by pressing the luggage electrical key switch: The user is inside the exterior actuation area around the luggage compartment door while carrying the electrical key or card key. Electrical key or card key is in luggage compartment interior detection area.
	When the luggage compartment door is closed and any door is unlocked condition, and the following condition is met, the luggage compartment door can be opened by pressing and holding the luggage door opener switch of the electrical key for more than approximately 0.8 seconds: Power switch is off.*1
Hands Free Power Trunk Lid Open/Close*2	When the luggage compartment door is closed (or opened) and any of the following conditions is met, the luggage compartment door can be opened (or closed) by performing the touchless kick actuation operation with users carrying an electrical key or card key: Power switch is off. Power switch is on (IG), vehicle speed is approximately 3 km/h (approximately 2 mph) or less and shift position is in P. Power switch is on (IG), vehicle speed is approximately 3 km/h (approximately 2 mph) or less and brake pedal is depressed. Power switch is on (IG), vehicle speed is approximately 3 km/h (approximately 2 mph) or less and parking brake is engaged.

Tech Tips

*1: When the electrical key or card key is in the cabin, the luggage door opener switch does not operate.

*2: Models with hands free power trunk lid

FUNCTION

Power Trunk Lid Open Function
1. When the luggage door opening cancel switch assembly is on and any of the operation conditions are met while the luggage compartment door is fully closed, the opening operation of the luggage compartment door is performed by pressing the luggage door opening switch, the luggage electrical key switch or the luggage door opener switch of the electrical key.
Power Trunk Lid Close Function
1. When the power trunk lid closer switch is pressed while the luggage compartment door is fully open, the closing operation of the luggage compartment door is performed.
Manual Luggage Close Function
1. When the luggage compartment door becomes ajar due to a manual operation, the closing operation of the luggage compartment door is performed.
Hands Free Power Trunk Lid Function (Models with Hands Free Power Trunk Lid)
1. When the user carrying the electrical key or card key performs a touchless kick actuation operation near the center of the rear bumper, the buzzer built into the luggage closer motor assembly sounds once and the opening or closing operation of the luggage compartment door is performed.

Luggage Door Opening Cancel Function

The luggage door opening cancel switch assembly is located inside the glove box.

When the luggage door opening cancel switch assembly is turned off, the power trunk lid open function can be canceled.

*1	Luggage Door Opening Cancel Switch Assembly	-	-
	On (Power Trunk Lid System is Activated.)		Off (Power Trunk Lid System is not Activated.)

Power Trunk Lid Open Operation Stop Function
1. The power trunk lid open operation can be stopped by performing a power trunk lid open or close operation during the operation.
2. When the luggage compartment door becomes overloaded during a power trunk lid open operation, the power trunk lid operation stops.
  
  Note
  
  If the overload detection mechanism is used too much, it may lead to a malfunction. Therefore, never purposefully apply an extra load to stop the power trunk lid while it is fully open, even during an operation check.
Power Trunk Lid Close Operation Inversion Function
1. During a power trunk lid close operation, the operation direction of the power trunk lid can be reversed from close to open by performing a power trunk lid open or close operation.
2. When the luggage compartment door becomes overloaded due to a jam during a power trunk lid close operation, the power trunk lid operation is reversed from a close to open operation.
  
  Note
  
  If the overload detection mechanism is used too much, it may lead to a malfunction. Therefore, never purposefully apply an extra load to stop the power trunk lid while it is fully open, even during an operation check.

SYSTEM CONTROL
1. The open function operates as follows:
  1. When the open function operation has started, the magnet clutch in the luggage closer motor assembly is turned on and the luggage door closer motor in the luggage door closer assembly is driven counterclockwise to release the latch.*
  2. The closer pulse detects the end point of the closer gear to stop the luggage door closer motor.
  3. When detecting that the half switch has turned from off to on, the luggage closer motor in the luggage closer motor assembly is driven in the opening direction to open the luggage compartment door
  4. When the luggage compartment door is opened more than a certain amount by the door pulse signal, the luggage door closer motor starts to drive clockwise.
  5. When the closer pulse detects the neutral position of the closer gear, it stops the operation of the luggage door closer motor.
  6. After the door pulse signal has detected the fully opened position of the luggage compartment door, the magnet clutch turns off and the drive of the luggage closer motor stops. Thereafter, the luggage compartment door maintains its fully-opened position by the reaction force of the torsion bar spring.
    
    Tech Tips
    
    *: When the hands-free power trunk lid open operation is performed, the buzzer built into the luggage closer motor assembly sounds once.
2. The closer function operates as follows:
  1. When the close function has started, the buzzer in the luggage closer motor assembly sounds once, the magnet clutch in the luggage closer motor assembly is turned on and the luggage closer motor is driven in the closing direction, thus closing the luggage compartment door.
  2. When the function detects that the pawl switch is turned on and the half switch in the luggage door closer assembly is turned off, it stops the luggage closer motor and operates the luggage door closer motor normally to start the closer operation.
  3. When the function detects that the pawl switch is off, it turns the magnet clutch off and operates the luggage door closer motor in reverse.
  4. After the close function detects that the closer pulse signal is in the neutral position of the closer gear, the luggage door closer motor stops and the luggage compartment door is fully closed to complete the operation.