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Home >> Infiniti >> 2011 >> G37 IPL, Standard >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Door & Lock -- G37 Coupe >> DTC/Circuit Diagnosis >> Remote Keyless Entry Receiver >> Diagnosis Procedure

Diagnosis Procedure

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

      (+) (-) Condition Signal (Reference value)
      Remote keyless entry receiver
      Connector Terminal
      M104 2 Ground During waiting
      G07169420
      When operating either button on the Intelligent Key
      G07169421

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: GO TO  3.

  2. CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1
    1. Disconnect BCM connector and remote keyless entry receiver connector
    2. Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
      TERMINALS CONTINUITY REFERENCE CHART

      BCM Remote keyless entry receiver Continuity
      Connector Terminal Connector Terminal
      M122 83 M104 2 Existed
    3. Check continuity between BCM harness connector and ground.
      TERMINALS CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      M122 83 Not existed

      Is the inspection result normal? 

      YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

  3. CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
    1. Disconnect remote keyless entry receiver.
    2. Check voltage between remote keyless entry receiver harness connector and ground.
      TERMINALS VOLTAGE REFERENCE CHART

      (+) (-) Voltage (V) (Approx.)
      Remote keyless entry receiver
      Connector Terminal
      M104 4 Ground Battery voltage

      Is the inspection result normal? 

      YES: GO TO  5.

      NO: GO TO 4.

  4. CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 2
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
      TERMINALS CONTINUITY REFERENCE CHART

      BCM Remote keyless entry receiver Continuity
      Connector Terminal Connector Terminal
      M122 103 M104 4 Existed
    3. Check continuity between BCM harness connector and ground.
      TERMINALS CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      M122 103 Not existed

      Is the inspection result normal? 

      YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

  5. CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 3
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
      TERMINALS CONTINUITY REFERENCE CHART

      BCM Remote keyless entry receiver Continuity
      Connector Terminal Connector Terminal
      M123 137 M104 1 Existed
    3. Check continuity between BCM harness connector and ground.
      TERMINALS CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      M123 137 Existed

      Is the inspection result normal? 

      YES: GO TO 6.

      NO: Repair or replace harness.

  6. CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
    1. Connect BCM connector.
    2. Check continuity between BCM harness connector and ground.
      TERMINALS CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      M123 137 Existed

      Is the inspection result normal? 

      YES: Replace remote keyless entry receiver. Refer to "REMOVAL AND INSTALLATION ".

      NO: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

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