LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2016 >> Sentra FE+S >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Security Control System (With Intelligent Key System) (DTCS)) >> DTC/Circuit Diagnosis >> DTC B2602: Shift Position >> Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis Procedure

WARNING: This page is about a different car, the 2017 Nissan Sentra. 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 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 .

    NO 

    GO TO STEP 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 STEP 3  .

  3. CHECK CVT SHIFT SELECTOR POWER SUPPLY

    1. Turn ignition switch OFF.
    2. Disconnect CVT shift selector (park position switch) connector.
    3. Turn ignition switch ON.
    4. Check voltage between CVT shift selector (park position switch) harness connector and ground.
      (+) (-) Voltage (V)
      (Approx.)
      CVT shift selector (park position switch)
      Connector Terminal
      M38 12 Ground 12

    Is the inspection result normal?

    YES 

    GO TO STEP 6  .

    NO 

    GO TO STEP 4  .

  4. CHECK CVT SHIFT SELECTOR POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect BCM connector.
    3. 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
      M38 12 M83 67 Yes
    4. Check continuity between CVT shift selector (park position switch) harness connector and ground.
      CVT shift selector (park position switch) Ground Continuity
      Connector Terminal
      M38 12 No

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    Repair or replace harness.

  5. 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.

  6. CHECK CVT SHIFT SELECTOR CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect BCM connector and IPDM E/R connector.
    3. 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
      M38 13 M84 37 Yes
    4. Check continuity between CVT shift selector (park position switch) harness connector and ground.
      CVT shift selector (park position switch) Ground Continuity
      Connector Terminal
      M38 13 No

    Is the inspection result normal?

    YES 

    GO TO STEP 7  .

    NO 

    Repair or replace harness.

  7. CHECK CVT SHIFT SELECTOR (PARK POSITION SWITCH)

    Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 8  .

    NO 

    Replace CVT shift selector. Refer to REMOVAL AND INSTALLATION .

  8. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    Inspection End.