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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 679 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2602: Shift Position >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CVT SHIFT SELECTOR SWITCH FUNCTION 
    1. Turn ignition switch ON.
    2. Select "DETE/CANCEL SW" and "VEH SPEED 1" in DATA MONITOR mode with CONSULT.
    3. Check "DETE/CANCEL SW" and "VEH SPEED 1" indication under the following conditions.

      Monitor item

      Condition

      Indication

      DETE/CANCEL SW

      CVT Shift selector

      In any position other than P (Park)

      ON

      P (Park)

      OFF

      VEH SPEED 1

      Vehicle not moving

      0

      Vehicle moving

      Varies

    Is the inspection result normal?

    YES

    Refer to Intermittent Incident .

    NO

    If DETE/CANCEL SW is incorrect. GO TO 4.

    NO

    If VEH SPEED 1 is incorrect. GO TO 2.

  2. CHECK DTC OF COMBINATION METER 

    Check DTC in "Self-Diagnostic Result" mode of "METER/M&A" using CONSULT.

    Is DTC detected?

    YES

    Perform the trouble diagnosis related to the detected DTC. Refer to DTC Index .

    NO

    GO TO 3.

  3. CHECK DTC OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) 

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

    Is DTC detected?

    YES

    Perform the trouble diagnosis related to the detected DTC. Refer to DTC Index (Type 1) or DTC Index (Type 2).

    NO

    GO TO 6.

  4. CHECK CVT SHIFT SELECTOR CIRCUIT 
    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 5.

    NO

    Repair or replace harness.

  5. CHECK CVT SHIFT SELECTOR (PARK POSITION SWITCH) 

    Refer to Component Inspection .

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Replace CVT shift selector. Refer to Removal and Installation (RE0F10J).

  6. CHECK INTERMITTENT INCIDENT 

    Refer to Intermittent Incident .

    Inspection End.