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Home >> Nissan-Datsun >> 2020 >> Sentra S >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Door & Lock >> System Description >> System (Intelligent Key System) >> Warning Function >> System Description >> Operation Condition
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Operation Condition

Once the following condition from below is established, alert or warning is executed:

Warning/Information functions

Operation procedure

Intelligent Key system malfunction

When a malfunction is detected on BCM, "KEY" warning lamp illuminates.

OFF position warning

For internal

When condition A, B or condition C is satisfied

  • Condition A
    • Ignition switch: ACC position
    • Door switch (driver side): ON (Door is open)
  • Condition B
    • Ignition switch from ON to OFF while door is open
  • Condition C
    • Intelligent Key backside is contacted to ignition switch while brake pedal is depressed and ignition switch is LOCK or OFF (When the Intelligent Key battery is discharged)
    • Door switch (driver side): ON (Door is open)

For external

OFF position warning (For internal) is in active mode, driver side door is closed.

NOTE: OFF position (For external) active only when each of the sequence occurs as below: P position warning -> ACC warning -> OFF position warning (For internal) -> OFF position warning (For internal)

P position warning

For internal

  • Shift position: Except P (Park) position
  • Engine is running to stopped (ignition switch is ON to OFF)

For external

Warning is activated when driver door is closed from the open position while the P (Park) position warning (for inside vehicle) is ON.

No key detected warning

Door is open to close

  • Ignition switch: Except Lock position
  • Door switch: ON to OFF (Door is open to close)
  • Intelligent Key cannot be detected inside the vehicle

Door is open

  • Ignition switch: Except Lock position
  • Door switch: ON (Door is open)
  • Key ID verification every 5 seconds when registered Intelligent Key cannot be detected inside the vehicle

Push-button ignition switch operation

  • Ignition switch: Except Lock position
  • Press push-button ignition switch
  • Intelligent Key cannot be detected inside the vehicle

Door lock operation warning

When door lock operation is requested while door lock operating condition of door request switch or Intelligent Key are not satisfied

Engine start information

Ignition switch is ON position

  • Ignition switch: ON position
  • Shift position: P (Park) position
  • Engine is stopped

Ignition switch is except ON position

  • Ignition switch: Except ON position
  • Shift position: P (Park) position
  • Intelligent Key can be detected inside the vehicle

Intelligent Key low battery warning

When Intelligent Key is low battery, BCM is detected after ignition switch is turned ON

Key ID warning

When registered Intelligent Key cannot be detected inside the vehicle after ignition switch is turned ON

Key ID verification information

  • When registered Intelligent Key cannot be detected inside the vehicle
  • Intelligent Key battery is discharged
  • When NATS antenna amp cannot be detected NATS ID