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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2601: Shift Position >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK A/T SHIFT SELECTOR SWITCH FUNCTION 

    SYMBOL CONSULT

    1. Turn ignition switch ON.
    2. Select "DETE/CANCEL SW" and "DETENT SW - IPDM" in "Data Monitor" mode.
    3. Check "DETE/CANCEL SW" and "DETENT SW - IPDM" indication under the following conditions:

      Monitor item

      Condition

      Indication

      DETE/CANCEL SW

      A/T Shift selector

      In any position other than P (Park)

      OFF

      P (Park)

      ON

      DETENT SW - IPDM

      A/T Shift selector

      In any position other than P (Park)

      OFF

      P (Park)

      ON

    Is the inspection result normal?

    YES

    Refer to Intermittent Incident .

    NO

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

    NO

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

  2. CHECK A/T SHIFT SELECTOR CIRCUIT (BCM) 
    1. Disconnect BCM connector and A/T shift selector (park position switch)connector.
    2. Check continuity between A/T shift selector (park position switch) harness connector and BCM harness connector.

      A/T shift selector (park position switch)

      BCM

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M68

      4

      M18

      20

      Yes

    3. Check continuity between A/T shift selector (park position switch) harness connector and ground.

      A/T shift selector (park position switch)

      Ground

      Continuity

      Connector

      Terminal

      M68

      4

      No

    Is the inspection result normal?

    YES

    GO TO 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 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 A/T SHIFT SELECTOR CIRCUIT (IPDM E/R) 
    1. Disconnect A/T shift selector (park position switch) connector and IPDM E/R connector.
    2. Check continuity between A/T shift selector (park position switch) harness connector and IPDM E/R harness connector.

      A/T shift selector (park position switch)

      IPDM E/R

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M68

      4

      E130

      64

      Yes

    3. Check continuity between A/T shift selector (park position switch) harness connector and ground.

      A/T shift selector (park position switch)

      Ground

      Continuity

      Connector

      Terminal

      M68

      4

      No

    Is the inspection result normal?

    YES

    GO TO 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 7 .

    NO

    Repair or replace as necessary.

  7. REPLACE IPDM E/R 
    1. Replace IPDM E/R. Refer to Removal and Installation of IPDM E/R .

    Inspection End.