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Home › Infiniti › 2007 › M35 Base › Repair and Diagnosis › Body & Frame › Door Locks › Body, Lock & Security System › Intelligent Key System › Check Outside Key Antenna (Trunk Room)

Check Outside Key Antenna (Trunk Room)

  1. CHECK OUTSIDE KEY ANTENNA FUNCTION 

    With CONSULT-II 

    1. Check the operation with ("ANTENNA") in the ACTIVE TEST.
    2. Touch "BD/TR ANT" on screen.
    3. Carry the Intelligent Key into the antenna detection area.
      ACTIVE TEST

      Test item Corresponding antenna
      BD/TR ANT Outside key antenna trunk room
      Fig 1: CONSULT-II Display - Active Test
      G05212237

    Do the hazard lamps flash? 

    Yes: Outside key antenna (trunk room) is OK.

    No: GO TO 2.

  2. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1 
    1. Turn ignition switch OFF.
    2. Check signal between Intelligent Key unit connector and ground with oscilloscope.
      SIGNAL REFERENCE VALUE CHART

      Terminals Condition Signal (Reference value.)
      (+) (-)
      Intelligent Key unit connector Terminal
      M32 17 Ground Trunk request switch is pushed
      G04916787
      Fig 2: Checking Signal Between Intelligent Key Unit Connector Terminal 17 And Ground
      G04927687

    OK or NG 

    OK: Check the condition of harness and connector.

    NG: GO TO 3.

  3. CHECK OUTSIDE KEY ANTENNA CIRCUIT 
    1. Disconnect Intelligent Key unit and outside key antenna (trunk room) connector.
    2. Check continuity between Intelligent Key unit connector and outside key antenna (trunk room) connector.
      TERMINAL CONTINUITY CHART

      A B Continuity
      Intelligent Key unit connector Terminal Outside key antenna (trunk room) connector Terminal
      M32 17 B121 1 Yes
      18 2
    3. Check continuity between Intelligent Key unit connector and ground.
      TERMINAL CONTINUITY CHART

      A Ground Continuity
      Intelligent Key unit connector Terminal
      M32 17 No
      18
      Fig 3: Checking Continuity Between Intelligent Key Unit Connector And Outside Key Antenna (Trunk Room) Connector
      G05212246

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness between Intelligent Key unit and outside key antenna (trunk room).

  4. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2 
    1. Replace outside key antenna. (New antenna or other antenna)
    2. Connect Intelligent Key unit and outside key antenna (trunk room) connector.
    3. Check signal between Intelligent Key unit connector and ground with oscilloscope.
      SIGNAL REFERENCE VALUE CHART

      Terminals Condition Signal (Reference value.)
      (+) (-)
      Intelligent Key unit connector Terminal
      M32 17 Ground Trunk request switch is pushed
      G04916787
      Fig 4: Checking Signal Between Intelligent Key Unit Connector Terminal 17 And Ground
      G05212248

    OK or NG 

    OK: Replace malfunction front outside handle.

    NG: Replace Intelligent Key unit.

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