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Home >> Infiniti >> 2011 >> EX35 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 87 (Security Control System (CROSSCABRIOLET)) >> DTC/Circuit Diagnosis >> DTC B2601: Shift Position >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CVT SHIFT SELECTOR POWER SUPPLY
    1. Turn ignition switch OFF.
    2. Disconnect CVT shift selector (detention switch) connector.
    3. Measure voltage between CVT shift selector (detention switch) harness connector and ground.
      VOLTAGE REFERENCE CHART

      (+) (-) Voltage (V) (Approx.)
      CVT shift selector (detention switch)
      Connector Terminal
      M57 8 Ground Battery voltage

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK CVT SHIFT SELECTOR POWER SUPPLY CIRCUIT
    1. Disconnect BCM connector.
    2. Measure continuity between CVT shift selector (detention switch) harness connector and BCM harness connector.
      CONTINUITY REFERENCE CHART

      CVT shift selector (detention switch) BCM Continuity
      Connector Terminal Connector Terminal
      M57 8 M122 96 Existed
    3. Measure continuity between CVT shift selector (detention switch) harness connector and ground.
      CONTINUITY REFERENCE CHART

      CVT shift selector (detention switch) Ground Continuity
      Connector Terminal
      M57 8 Not existed

      Is the inspection result normal? 

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

      NO: Repair or replace harness or connector.

  3. CHECK CVT SHIFT SELECTOR CIRCUIT (BCM)
    1. Disconnect BCM connector and IPDM E/R connector.
    2. Measure continuity between CVT shift selector (detention switch) harness connector and BCM harness connector.
      CONTINUITY REFERENCE CHART

      CVT shift selector (detention switch) BCM Continuity
      Connector Terminal Connector Terminal
      M57 9 M122 99 Existed
    3. Measure continuity between CVT shift selector (detention switch) harness connector and ground.
      CONTINUITY REFERENCE CHART

      CVT shift selector (detention switch) Ground Continuity
      Connector Terminal
      M57 9 Not existed

      Is the inspection result normal? 

      YES: GO TO 4.

      NO: Repair or replace harness or connector.

  4. CHECK CVT SHIFT SELECTOR CIRCUIT (IPDM E/R)
    1. Measure continuity between CVT shift selector (detention switch) harness connector and IPDM E/R harness connector.
      CONTINUITY REFERENCE CHART

      CVT shift selector (detention switch) IPDM E/R Continuity
      Connector Terminal Connector Terminal
      M57 9 E11 43 Existed
    2. Measure continuity between CVT shift selector (detention switch) harness connector and ground.
      CONTINUITY REFERENCE CHART

      CVT shift selector (detention switch) Ground Continuity
      Connector Terminal
      M57 9 Not existed

      Is the inspection result normal? 

      YES: GO TO 5.

      NO: Repair or replace harness or connector.

  5. CHECK CVT SHIFT SELECTOR (DETENTION SWITCH)

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 6.

    NO: Replace CVT shift selector. Refer to , "REMOVAL AND INSTALLATION ".

  6. CHECK INTERMITTENT INCIDENT

    Refer to , "INTERMITTENT INCIDENT ".

    INSPECTION END

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