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System Description
 
 
SYSTEM DIAGRAM
ComponentFunction
BCMRecognizes the following status and transmits it to driver seat control unit via CAN communication.
  • Ignition ON signal
  • Door lock status signal (with Keyless operation key, front door request switch operation)
  • Key ID signal
TCMTCM transmits the shift position signal to driver seat control unit via CAN communication.
ABS actuator and electric unit (control unit)ABS actuator and electric unit (control unit) transmits the vehicle speed signal to driver seat control unit via CAN communication.
AV control unitKeyless operation key interlock function can be set on the navigation display.
Driver seat control unitRefer to Driver Seat Control Unit.
 
 
DESCRIPTION
  • When ignition switch is OFF, and door unlock operation is performed using Keyless operation key or driver side door request switch, driver seat automatically adjusts to a driving position other than seat sliding. Seat sliding perform return operation and are set to standby status.
  • In standby status, when ignition switch is operated from OFF to ON, return operation sets seat sliding to a registered position.
noteWhen ignition switch signal turns ON during return operation, the operation is interrupted, ignition switch signal turns from ON to OFF, and operation restarts.
 
 
Operation Procedure
  1. Unlock driver door by Keyless operation key, front door request switch.
  2. Operation other than memory of seat sliding is performed. Seat sliding perform exit assist operation.
  3. Ignition switch ON.
  4. Driver seat will return from the exiting position to entry position.
 
 
Operation Condition
Satisfy all of the following items. The Keyless operation key interlock function is not performed if these items are not satisfied.
ItemRequest status
Ignition switch positionOFF
Log-in function setting registrationRegistered
Switch inputs
  • Power seat switch
  • Door mirror remote control switch
  • Set switch
  • Memory switch
OFF
(Not operated)
M.U.T.-III SENot connected
Vehicle speed0 km/h (0 MPH)
 
 
Detail Flow
OrderInputOutputControl unit condition
1
  • Door lock status signal (CAN)
  • Key ID signal (CAN)
—When the following function is performed, the driver seat control unit receives the door lock status signal and Key ID signal from BCM via CAN communication.
  • Unlock door: Keyless operation key
  • Unlock door: Front door request switch (front door LH)
2——Driver seat control unit performs the seat slide move directly to the exit assist function. Other loads move to the exit assist function after performing log-in function.
3——Driver seat control unit performs the entry assist function.