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Remote Keyless Entry Receiver Check

  1. CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
    1. Turn ignition switch OFF.
    2. Check remote keyless entry receiver connector and ground signal with oscilloscope.
      TERMINALS SIGNAL REFERENCE

      Terminals Keyfob condition Signal (Reference value)
      (+) (-)
      Remote keyless entry receiver connector Terminal
      M23 2 Ground No function
      G04876579Courtesy of NISSAN MOTOR CO., U.S.A.
      Any button is pressed
      G04876582Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 1: Checking Remote Keyless Entry Receiver Connector And Ground Signal With Oscilloscope
      G04927605Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK : Remote keyless entry receiver circuit is OK.

      NG : GO TO 2.

  2. CHECK REMOTE KEYLESS ENTRY RECEIVER INPUT VOLTAGE
    1. Disconnect remote keyless entry receiver connector.
    2. Check voltage between remote keyless entry receiver connector M23 terminal 4 and ground.
      TERMINALS VOLTAGE REFERENCE

      Terminals Voltage (V) (Approx).
      (+) (-)
      Remote keyless entry receiver connector Terminal
      M23 4 Ground 4.5
      Fig 2: Checking Voltage Between Remote Keyless Entry Receiver Connector M23 Terminal 4 And Ground
      G04927606Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK : GO TO  4.

      NG : GO TO 3.

  3. CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY CIRCUIT
    1. Disconnect BCM connector.
    2. Check continuity between BCM connector (A) M18 terminal 19 and remote keyless entry receiver connector (B) M23 terminal 4.
      TERMINALS CONTINUITY REFERENCE

      A B Continuity
      BCM connector Terminal Remote keyless entry receiver connector Terminal
      M18 19 M23 4 Yes
    3. Check continuity between BCM connector (A) M18 terminal 19 and ground.
      Fig 3: Checking Continuity Between BCM Connector (A) M18 Terminal 19 And Ground
      G04927607Courtesy of NISSAN MOTOR CO., U.S.A.
      TERMINALS CONTINUITY REFERENCE

      A Ground Continuity
      BCM connector Terminal
      M18 19 No

      OK or NG 

      OK : Replace BCM. Refer to REMOVAL AND INSTALLATION OF BCM .

      NG : Repair or replace the harness.

  4. CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT

    Check continuity between remote keyless entry receiver connector M23 terminal 1 and ground.

    TERMINALS CONTINUITY REFERENCE

    Remote keyless entry receiver connector Terminal Ground Continuity
    M23 1 Yes
    Fig 4: Checking Continuity Between Remote Keyless Entry Receiver Connector M23 Terminal 1 And Ground
    G04927608Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO  6.

    NG : GO TO 5.

  5. CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT

    Check continuity between BCM connector (A) M18 terminal 18 and remote keyless entry receiver connector (B) M23 terminal 1.

    TERMINALS CONTINUITY REFERENCE

    A B Continuity
    BCM connector Terminal Remote keyless entry receiver connector Terminal
    M18 18 M23 1 Yes
    Fig 5: Checking Continuity Between BCM Connector M18 Terminal 18 And Remote Keyless Entry Receiver Connector Terminal 1
    G04927609Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Replace BCM. Refer to REMOVAL AND INSTALLATION OF BCM .

    NG : Repair or replace the harness.

  6. CHECK REMOTE KEYLESS ENTRY RECEIVER SIGNAL CIRCUIT
    1. Check continuity between BCM connector (A) M18 terminal 20 and remote keyless entry receiver connector (B) M23 terminal 2.
      TERMINALS CONTINUITY REFERENCE

      A B Continuity
      BCM connector Terminal Remote keyless entry receiver connector Terminal
      M18 20 M23 2 Yes
    2. Check continuity between BCM connector (A) M18 terminal 20 and ground.
      TERMINALS CONTINUITY REFERENCE

      A Ground Continuity
      BCM connector Terminal
      M18 20 No
      Fig 6: Checking Continuity Between BCM Connector (A) M18 Terminal 20 And Ground
      G04927610Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK : Replace remote keyless entry receiver. Refer to , "REMOVAL AND INSTALLATION OF REMOTE KEYLESS ENTRY RECEIVER ".

      NG : Repair or replace harness.

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