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Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CVT DEVICE POWER SUPPLY
    1. Turn ignition switch to ACC.
    2. Disconnect CVT device harness connector.
    3. Check voltage between CVT device harness connector and ground.
      VOLTAGE REFERENCE CHART

      CVT device (park position switch) Ground Voltage [V]
      Connector Terminal
      M78 8 Ground Battery voltage
      Fig 1: Checking Voltage Between CVT Device Harness Connector And Ground
      G05876367Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK CVT DEVICE POWER SUPPLY CIRCUIT
    1. Disconnect BCM harness connector.
    2. Check continuity between BCM harness connector M19 (A) terminal 84 and CVT device harness connector M78 (B) terminal 8.
      CONTINUITY REFERENCE CHART

      BCM CVT device (park position switch) Continuity
      Connector Terminal Connector Terminal
      A: M19 84 B: M78 8 Yes
      Fig 2: Checking Continuity Between BCM Connector M19 Terminal 84 And CVT Device Connector M78 Terminal 8
      G05876368Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between BCM harness connector M19 (A) terminal 84 and ground.
      CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      A: M19 84 Ground No

      Is the inspection result normal? 

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

      NO: Repair harness or connector.

  3. CHECK CVT DEVICE CIRCUIT (BCM)
    1. Disconnect BCM harness connector and IPDM E/R harness connector.
    2. Check continuity between BCM harness connector M19 (A) terminal 87 and CVT device harness connector M78 (B) terminal 9.
      CONTINUITY REFERENCE CHART

      BCM CVT device (park position switch) Continuity
      Connector Terminal Connector Terminal
      A: M19 87 B: M78 9 Yes
      Fig 3: Checking Continuity Between BCM Connector M19 Terminal 87 And CVT Device Connector M78 Terminal 9
      G05876369Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between BCM harness connector M19 (A) terminal 87 and ground.
      CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      A: M19 87 Ground No

      Is the inspection result normal? 

      YES: GO TO 4.

      NO: Repair harness or connector.

  4. CHECK CVT DEVICE CIRCUIT (IPDM E/R)
    1. Disconnect BCM harness connector.
    2. Check continuity between CVT device harness connector M78 (A) terminal 9 and IPDM E/R harness connector E17 (B) terminal 43.
      CONTINUITY REFERENCE CHART

      CVT device (park position switch) IPDM E/R Continuity
      Connector Terminal Connector Terminal
      A: M78 9 B: E17 43 Yes
      Fig 4: Checking Continuity Between CVT Device Connector M78 Terminal 9 And IPDM E/R Connector E17 Terminal 43
      G05876370Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between CVT device harness connector M78 (A) terminal 9 and ground.
      CONTINUITY REFERENCE CHART

      CVT device (park position switch) Ground Continuity
      Connector Terminal
      A: M78 9 Ground No

      Is the inspection result normal? 

      YES: GO TO 5.

      NO: Repair harness or connector.

  5. CHECK CVT DEVICE

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 6.

    NO: Replace CVT device. Refer to "REMOVAL AND INSTALLATION ".

  6. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    Inspection End.

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