System Description

SYSTEM (INTELLIGENT KEY SYSTEM)


BACK DOOR OPEN FUNCTION : System Description

This section describes the operation of the back door opener switch.
- The back door open function can open the back door by pressing the back door opener switch while carrying the Intelligent Key and all doors (except back door) are locked.
- The back door open function enables the back door to be opened by pressing back door opener switch after
BCM transmits UNLOCK signal to each door. System Description.

BACK DOOR OPEN
While back door open in the permitted state, back door opens when back door opener switch is pressed after back door request switch is operated. Back door open also can be operated according to the following procedure.
- When the BCM detects that back door opener switch is pressed, it activates the outside key antenna (back door) and inside key antenna and transmits the request signal to the Intelligent Key. And then, check that the
Intelligent Key is near the back door.
- If the Intelligent Key is within the outside key antenna detection area, it receives the request signal and transmits the key ID signal to the BCM via remote keyless entry receiver.
- BCM receives the key ID signal and compares it with the registered key ID.
- If the verification result is OK, BCM transmits the back door open request signal to automatic back door control unit via CAN communication.
- Automatic back door control unit transmits back door open request signal to back door lock assembly and back door is open.
- When the back door is open, automatic back door system performs waiting operation for next back door close operation.
The operation of then back door open is the same as the automatic back door system, System Diagram System Description, "System Description".

OPERATION CONDITION
If the following conditions are not satisfied, back door open operation is not performed even if the back door opener switch is operated.






OUTSIDE KEY ANTENNA DETECTION AREA





The outside key antenna detection area of back door open function is in the range of approximately 80 cm (31.50 in) surrounding the outside key antenna (back door) (1). However, this operating range depends on the ambient conditions.

LIST OF OPERATION RELATED PARTS
Parts marked with x are the parts related to operation.