LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Body, Lock & Security System >> Service Information >> Intelligent Key System >> Check Door Request Switch
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Check Door Request Switch

  1. CHECK DOOR REQUEST SWITCH

    With CONSULT-III 

    Check door request switch ("DR REQ SW" or "AS REQ SW") in "DATA MONITOR" mode.

    DOOR REQUEST SWITCH OPERATING CONDITIONS

    Monitor item Condition
    DR REQ SW Door request switch is pressed: ON
    AS REQ SW Door request switch is released: OFF

    Without CONSULT-III 

    1. Turn ignition switch OFF.
    2. Check voltage between Intelligent Key unit harness connector and ground.
    VOLTAGE REFERENCE CHART

    Terminals Door request switch Condition Voltage (V) (Approx.)
    (+) (-)
    Intelligent Key unit connector Terminal
    M32 Door request switch (driver side) 2 Ground Pressed 0
    Released 5
    Door request switch (passenger side) 22 Pressed 0
    Released 5
    Fig 1: Checking Voltage Between Intelligent Key Unit Harness Connector And Ground
    G05212217Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Door request switch is OK.

    NG: GO TO 2.

  2. CHECK DOOR REQUEST SWITCH CIRCUIT
    1. Disconnect Intelligent Key unit and front outside handle connector.
    2. Check continuity between Intelligent Key unit connector and front outside handle connector.
      CONTINUITY REFERENCE CHART

      A B Continuity
      Intelligent Key unit connector Terminal Front outside handle connector Terminal
      M32 2 D15 (LH) 3 Yes
      22 D45 (RH)
    3. Check continuity between Intelligent Key unit connector and ground.
    Fig 2: Checking Continuity Between Intelligent Key Unit And Front Outside Handle Connector
    G05212218Courtesy of NISSAN MOTOR CO., U.S.A.
    CONTINUITY REFERENCE CHART

    A Ground Continuity
    Intelligent Key unit connector Terminal
    M32 2 No
    22

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace harness between Intelligent Key unit and front outside handle.

  3. CHECK DOOR REQUEST SWITCH OPERATION

    Check front outside handle.

    DOOR REQUEST SWITCH OPERATING CONDITIONS

    Terminal Door request switch condition Continuity
    Front outside handle
    3 4 Pressed Yes
    Released No

    OK or NG 

    OK: GO TO 4.

    NG: Replace malfunction front outside handle.

    Fig 3: Checking Door Request Switch Continuity
    G05212219Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK DOOR REQUEST SWITCH GROUND CIRCUIT

    Check continuity between front outside handle connector and ground.

    CONTINUITY REFERENCE CHART

    Front outside handle connector Terminal Ground Continuity
    D15 (LH) 4 Yes
    D45 (RH)

    OK or NG 

    OK: GO TO 5.

    NG: Repair or replace front outside handle ground circuit.

    Fig 4: Checking Continuity Between Front Outside Handle Connector And Ground
    G05212220Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
    1. Connect Intelligent Key unit connector.
    2. Check voltage between Intelligent Key unit connector and ground.
    VOLTAGE REFERENCE CHART

    Terminals Voltage (V) (Approx.)
    (+) (-)
    Intelligent Key unit connector Terminal
    M32 2 Ground 5
    22

    OK or NG 

    OK: Check the condition of harness and connector.

    NG: Replace Intelligent Key unit.

    Fig 5: Checking Voltage Between Intelligent Key Unit Connector And Ground
    G05212217Courtesy of NISSAN MOTOR CO., U.S.A.