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Home >> Infiniti >> 2010 >> G37 Base, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different car >> Section 221 (Security Control System) >> With Intelligent Key System >> DTC/Circuit Diagnosis >> DTC B2604: Shift Position >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Juke. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC OF TCM

    Check DTC in "Self Diagnostic Result" mode of "TCM" using CONSULT-III.

    Is DTC detected? 

    YES: Perform the trouble diagnosis related to the detected DTC. Refer to "DTC INDEX ".

    NO: GO TO 2.

  2. CHECK BCM INPUT SIGNAL
    1. Turn ignition switch ON.
    2. Check voltage between BCM harness connector and ground.
      CONNECTOR TERMINALS VOLTAGE REFERENCE CHART

      (+) (-) Condition Voltage (V) (Approx.)
      BCM
      Connector Terminal
      M70 102 Ground Selector lever P or N position Battery voltage
      Other than above 0

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: GO TO  4.

  3. REPLACE BCM
    1. Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
    2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT-III.

      For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

      INSPECTION END

  4. CHECK BCM INPUT SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect transmission range switch connector.
    3. Disconnect BCM connector.
    4. Check continuity between transmission range switch harness connector and BCM harness connector.
      CONNECTOR TERMINALS CONTINUITY REFERENCE CHART

      Transmission range switch BCM Continuity
      Connector Terminal Connector Terminal
      F27 2 M70 102 Existed
    5. Check continuity between transmission range switch harness connector and ground.
      CONNECTOR TERMINALS CONTINUITY REFERENCE CHART

      Transmission range switch Ground Continuity
      Connector Terminal
      F27 2 Not existed

      Is the inspection result normal? 

      YES: GO TO 5.

      NO: Repair or replace harness.

  5. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    INSPECTION END