LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1434 (Body, Lock & Security System) >> Intelligent Key System >> Check Outside Key Antenna
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Check Outside Key Antenna

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK OUTSIDE KEY ANTENNA POWER SUPPLY 

    Push each door request switch, and use an oscilloscope to check voltage waveform of harness between Intelligent Key unit connector M34 terminals 17 (back door), 19 (driver and rear LH door), and 37 (passenger and rear RH door) and ground.

    Fig 1: Connector Terminal Reference Chart
    G02362340Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Checking Outside Key Antenna Power Supply
    G02362341Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : GO TO 2.
    2. NG : GO TO  3.
  2. CHECK OUTSIDE KEY ANTENNA OPERATION 
    1. Disconnect each outside key antenna connector.
    2. Check the following.
    • Check continuity between door mirror (outside key antenna) connector D2 (driver side), D32 (passenger side) terminals 6 and 7
    • Check continuity between outside key antenna D62 (rear door LH), D82 (rear door RH), D116 (back door) terminals 1 and 2
      1. Driver side, Passenger side 
      2. 6 - 7 : Continuity should exist. 
      3. Back door, Rear door 
      4. 1 - 2 : Continuity should exist. 

    OK or NG 

    1. OK : GO TO 3.
    2. NG : Replace outside key antenna.
    Fig 3: Checking Outside Key Antenna Operation
    G02362342Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK OUTSIDE KEY ANTENNA CIRCUIT 
    1. Disconnect Intelligent Key unit connector.
    2. Check continuity between each outside key antenna connector D2 (driver side), D32 (passenger side), D62 (rear door LH), D82 (rear door RH), D116 (back door) terminals 1, 2, 6, 7 and Intelligent Key unit connector M34 terminals 17, 18, 19, 20, 37, and 38.
      Fig 4: Connector Terminal Reference Chart
      G02362343Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between each out side key antenna connector terminals 1, 2, 6, 7 and ground.
      Fig 5: Connector Terminal Reference Chart
      G02362344Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 6: Checking Outside Key Antenna Circuit
      G02362345Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : Replace Intelligent Key unit.
    2. NG : Replace harness between outside key antenna and Intelligent Key unit.