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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Security Control System (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC B2601: Shift Position >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK CVT SHIFT SELECTOR SWITCH FUNCTION

    1. Turn ignition switch ON.
    2. Select "DETE/CANCEL SW" and "DETENT SW - IPDM" in DATA MONITOR mode with CONSULT.
    3. Check "DETE/CANCEL SW" and "DETENT SW - IPDM" indication under the following conditions.
      Monitor item Condition Indication
      DETE/CANCEL SW CVT Shift selector In any position other than P (Park) OFF
      P (Park) ON
      DETENT SW - IPDM CVT Shift selector In any position other than P (Park) OFF
      P (Park) ON

    Is the inspection result normal?

    YES 

    Refer to INTERMITTENT INCIDENT .

    NO-1 

    If DETE/CANCEL SW function is incorrect. GO TO 2.

    NO-2 

    If DETENT SW - IPDM function is incorrect. GO TO 5.

  2. CHECK CVT SHIFT SELECTOR CIRCUIT (BCM)

    1. Disconnect BCM connector and IPDM E/R connector.
    2. Check continuity between CVT shift selector (park position switch) harness connector and BCM harness connector.
      CVT shift selector (park position switch) BCM Continuity
      Connector Terminal Connector Terminal
      M78 6 M18 20 Yes
    3. Check continuity between CVT shift selector (park position switch) harness connector and ground.
      CVT shift selector (park position switch) Ground Continuity
      Connector Terminal
      M78 6 No

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness.

  3. CONNECTOR INSPECTION

    1. Disconnect BCM.
    2. Check connectors and terminals for deformation, disconnection, looseness or damage.

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace as necessary.

  4. REPLACE BCM

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

    Inspection End.

  5. CHECK CVT SHIFT SELECTOR CIRCUIT (IPDM E/R)

    Check continuity between CVT shift selector (park position switch) harness connector and IPDM E/R harness connector.

    CVT shift selector (park position switch) IPDM E/R Continuity
    Connector Terminal Connector Terminal
    M78 6 E119 31 Yes

    Is the inspection result normal?

    YES 

    GO TO STEP 6  .

    NO 

    Repair or replace harness.

  6. CONNECTOR INSPECTION

    1. Disconnect IPDM E/R.
    2. Check connectors and terminals for deformation, disconnection, looseness or damage.

    Is the inspection result normal?

    YES 

    GO TO STEP 7  .

    NO 

    Repair or replace as necessary.

  7. REPLACE IPDM E/R

    1. Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .

    Inspection End.