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Home >> Infiniti >> 2017 >> QX70 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 146 (Door & Lock (DTC/Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> Remote Keyless Entry Receiver >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK FUSE

    Check that the following fuse is not fusing.

    Signal name Fuse No.
    Power supply 17 (5 A)

    Is the fuse fusing?

    YES 

    Replace the blown fuse after repairing the affected circuit if a fuse is blown.

    NO 

    GO TO STEP 2  .

  2. CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect remote keyless entry receiver (front) connector.
    3. Check voltage between remote keyless entry receiver (front) harness connector and ground.
      (+) (-) Voltage
      Remote keyless entry receiver (front)
      Connector Terminal
      M113 1 Ground Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness.

  3. CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT

    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and remote keyless entry receiver (front) harness connector.
      BCM Remote keyless entry receiver (front) Continuity
      Connector Terminal Connector Terminal
      M13 17 M113 3 Existed
    3. Check continuity between BCM harness connector and ground.
      BCM Ground Continuity
      Connector Terminal
      M13 17 Not existed

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace harness.

  4. CHECK BCM SIGNAL

    1. Reconnect BCM connector.
    2. Check voltage between remote keyless entry receiver (front) harness connector and ground.
      (+) (-) Voltage
      Remote keyless entry receiver (front)
      Connector Terminal
      M113 2 Ground 9 - 16 V

    Is the inspection result normal?

    YES 

    GO TO STEP 6  .

    NO 

    GO TO STEP 5  .

  5. CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT

    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and remote keyless entry receiver (front) harness connector.
      BCM Remote keyless entry receiver (front) Continuity
      Connector Terminal Connector Terminal
      M16 119 M113 2 Existed
    3. Check continuity between BCM harness connector and ground.
      BCM Ground Continuity
      Connector Terminal
      M16 119 Not existed

    Is the inspection result normal?

    YES 

    Replace BCM. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.

  6. CHECK REMOTE KEYLESS ENTRY RECEIVER SIGNAL

    1. Reconnect remote keyless entry receiver (front) connector.
    2. Check signal between remote keyless entry receiver (front) harness connector and ground using oscilloscope.
      (+) (-) Condition Signal
      (Reference value)
      Remote keyless entry receiver (front)
      Connector Terminal
      M113 2 Ground Ignition switch ON Waiting
      GNSJMMIA1409GB-409Courtesy of NISSAN NORTH AMERICA, INC.
      When operating either button on the Intelligent Key
      GNSJMMIA1410GB-410Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    GO TO STEP 7  .

    NO 

    Replace remote keyless entry receiver (front).

  7. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END

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