LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2005 >> Sentra SE-R >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Body, Lock & Security System >> Remote Keyless Entry System >> Trouble Diagnoses >> KEYFOB Battery And Function Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

KEYFOB Battery And Function Check

  1. CHECK KEYFOB BATTERY 

    Remove battery (refer to "KEYFOB BATTERY REPLACEMENT ") and measure voltage across battery positive and negative terminals, (+) and (-).

    • Voltage [V]: 2.5 - 3.0 
    NOTE: Keyfob does not function if battery is not set correctly.

    OK or NG 

    • OK: GO TO 2.
    • NG: Replace battery.
    Fig 1: Measuring Voltage Across Battery Positive And Negative Terminals (+) And (-)
    G02451949Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK KEYFOB FUNCTION 

    With CONSULT-II 

    Check keyfob function ("LK BUTTON/SIG", "UN BUTTON/SIG", "TRUNK BTN/SIG", "PANIC BTN", "UN BUTTON ON" and "LK/UN BTN ON") in "DATA MONITOR" mode with CONSULT-II. When pushing each button of keyfob, the corresponding monitor item should be turned as follows.

    KEYFOB BATTERY AND FUNCTION CHECK - MONITOR ITEM CONDITION

    Condition Monitor item
    Pushing LOCK LK BUTTON/SIG : ON
    Pushing UNLOCK UN BUTTON/SIG : ON
    Pushing TRUNK TRUNK BTN/SIG : ON
    Pushing PANIC PANIC BTN/SIG : ON
    Pushing UNLOCK within 5 seconds after pushing UNLOCK UN BUTTON ON : ON
    Pushing LOCK and UNLOCK at the same time LK/UN BTN ON : ON
    Fig 2: Identifying Keyfob Function On Data Monitor Screen
    G02451950Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG