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Home >> Nissan-Datsun >> 2023 >> Rogue SL, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 5) >> DTC/Circuit Diagnosis >> DTC P0136: O2 Sensor 2 Bank 1 >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

  1. INSPECTION START 

    Confirm the detected malfunction (A or B). DTC Description 

    Which malfunction is detected?

    A>>

    GO TO 2.

    B>>

    GO TO 7.

  2. CHECK HO2S2 CONNECTOR FOR WATER 
    1. Turn ignition switch OFF.
    2. Disconnect heated oxygen sensor 2 harness connector.
    3. Check connectors for water.
    Water should not exist.

    Is the inspection result normal?

    YES>>

    GO TO 3.

    NO>>

    Repair or replace error-detected parts.

  3. CHECK HO2S2 GROUND CIRCUIT 
    1. Disconnect ECM harness connector.
    2. Check the continuity between HO2S2 harness connector and ECM harness connector.
      + - Continuity
      HO2S2 ECM
      Connector Terminal Connector Terminal
      F67 1 F71 97 Existed
    3. Also check harness for short to power.

    Is the inspection result normal?

    YES>>

    GO TO 4.

    NO>>

    Repair or replace error-detected parts.

  4. CHECK HO2S2 INPUT SIGNAL CIRCUIT 
    1. Check the continuity between HO2S2 harness connector and ECM harness connector.
      + - Continuity
      HO2S2 ECM
      Connector Terminal Connector Terminal
      F67 2 F71 92 Existed
    2. Check the continuity between HO2S2 harness connector and ground, or ECM harness connector and ground.
      + - Continuity
      HO2S2
      Connector Terminal
      F67 2 Ground Not existed
      + - Continuity
      ECM
      Connector Terminal
      F71 92 Ground Not existed
    3. Also check harness for short to power.

    Is the inspection result normal?

    YES>>

    GO TO 5.

    NO>>

    Repair or replace error-detected parts.

  5. CHECK HEATED OXYGEN SENSOR 2 

    Check the heated oxygen sensor 2. Refer to Component Inspection .

    Is the inspection result normal?

    YES>>

    Check intermittent incident. Refer to Intermittent Incident .

    NO>>

    GO TO 6.

  6. REPLACE HEATED OXYGEN SENSOR 2 

    Replace heated oxygen sensor 2. END PROCEDURE. Refer to Exploded View .

    >>

    INSPECTION END

  7. CLEAR THE MIXTURE RATIO SELF-LEARNING VALUE CLEAR 
    1. Clear the mixture ratio self-learning value clear.
    2. Run engine for at least 10 minutes at idle speed.

    Is the 1st trip DTC P0172 detected? Is it difficult to start engine?

    YES>>

    Perform trouble diagnosis for DTC P0172. DTC Description

    NO>>

    GO TO 8.

  8. CHECK HO2S2 GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect heated oxygen sensor 2 harness connector.
    3. Disconnect ECM harness connector.
    4. Check the continuity between HO2S2 harness connector and ECM harness connector.
      + - Continuity
      HO2S2 ECM
      Connector Terminal Connector Terminal
      F67 1 F71 97 Existed
    5. Also check harness for short to ground and to power.

    Is the inspection result normal?

    YES>>

    GO TO 9.

    NO>>

    Repair or replace error-detected parts.

  9. CHECK HO2S2 INPUT SIGNAL CIRCUIT 
    1. Check the continuity between HO2S2 harness connector and ECM harness connector.
      + - Continuity
      HO2S2 ECM
      Connector Terminal Connector Terminal
      F67 2 F71 92 Existed
    2. Check the continuity between HO2S2 harness connector and ground, or ECM harness connector and ground.
      + - Continuity
      HO2S2
      Connector Terminal
      F67 2 Ground Not existed
      + - Continuity
      ECM
      Connector Terminal
      F71 92 Ground Not existed
    3. Also check harness for short to power.

    Is the inspection result normal?

    YES>>

    GO TO 10.

    NO>>

    Repair open circuit or short to ground or short to power in harness or connectors.

  10. CHECK HEATED OXYGEN SENSOR 2 

    Check the heated oxygen sensor 2. Refer to Component Inspection .

    Is the inspection result normal?

    YES>>

    Check intermittent incident. Refer to Intermittent Incident .

    NO>>

    GO TO 11.

  11. REPLACE HEATED OXYGEN SENSOR 2 

    Replace heated oxygen sensor 2. Refer to Exploded View .

    >>

    INSPECTION END

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