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Home >> Nissan-Datsun >> 2019 >> Sentra SR >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1.8L) (1 Of 4) >> DTC / Circuit Diagnosis >> DTC P0136: Ho2S2 >> Component Function Check
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Component Function Check

  1. PERFORM COMPONENT FUNCTION CHECK-1 

    SYMBOL Without CONSULT

    1. Start engine and warm it up to normal operating temperature.
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Start engine and keep the engine speed between 3, 500 and 4, 000 RPM for at least 1 minute under no load.
    4. Let engine idle for 1 minute.
    5. Check the voltage between ECM harness connector and ground as per the following condition.

      ECM

      Condition

      Voltage

      Connector

      +

      -

      Terminal

      F24

      22

      23

      Revving up to 4, 000 RPM under no load at least 10 times

      The voltage should be below 0.18 V at least once during this procedure.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    GO TO 2.

  2. PERFORM COMPONENT FUNCTION CHECK-2 

    Check the voltage between ECM harness connector and ground as per the following condition.

    ECM

    Condition

    Voltage

    Connector

    +

    -

    Terminal

    F24

    22

    23

    Keeping engine speed at idle for 10 minutes

    The voltage should be below 0.18 V at least once during this procedure.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    GO TO 3.

  3. PERFORM COMPONENT FUNCTION CHECK-3 

    Check the voltage between ECM harness connector and ground as per the following condition.

    ECM

    Condition

    Voltage

    Connector

    +

    -

    Terminal

    F24

    22

    23

    Coasting from 80 km/h (50 MPH) in D position (CVT), 5th gear position (6MT)

    The voltage should be below 0.18 V at least once during this procedure.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Proceed to DTC Diagnosis Procedure .