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Home >> Toyota >> 2017 >> Yaris iA Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (P011300 - P022200) >> SFI System >> DTC P0133-00: O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) >> Procedure

DTC P0133-00: O2 Sensor Circuit Slow Response (Bank 1 Sensor 1): Procedure

  1. PURPOSE: IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA (MODE 02) 
    1. Is the DTC P013300 on FREEZE FRAME DATA (Mode 02)?

      Result

      Result
      Yes
      No

    Result:  2

    No 

    GO TO THE TROUBLESHOOTING PROCEDURE FOR DTC ON FREEZE FRAME DATA (MODE 02). 

    1. Refer to DIAGNOSTIC TROUBLE CODE CHART

    Result:  1

    Yes 

    See step  2

  2. PURPOSE: VERIFY IF DIAGNOSTIC RESULT IS AFFECTED BY DTC OCCURRING FROM A/F SENSOR UNIT 
    1. Switch the ignition off, then ON (engine off).
    2. Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.

      Refer to ON-BOARD DIAGNOSTIC TEST

    3. Is the PENDING CODE/DTC P013100, P013200, P013400, P223700, P224300 or P225100 also present?

      Result

      Result
      Yes
      No

    Result:  2

    Yes 

    See step  19

    Result:  1

    No 

    See step  3

  3. PURPOSE: VERIFY A/F SENSOR 
    1. Start the engine and idle it.
    2. Access the Heated Exhaust Gas Oxygen Sensor (bank 1, sensor 1) PID using the Techstream.

      Refer to ON-BOARD DIAGNOSTIC TEST

    3. Is the Heated Exhaust Gas Oxygen Sensor (bank 1, sensor 1) PID value normal?

      Refer to INSPECTION

      Result

      Result
      Yes
      No

    Result:  2

    No 

    See step  6

    Result:  1

    Yes 

    See step  4

  4. PURPOSE: VERIFY A/F SENSOR HEATER 
    1. Start the engine and idle it.
    2. Access the Heated Exhaust Gas Oxygen Sensor Heater (bank 1, sensor 1) PID using the Techstream.

      Refer to ON-BOARD DIAGNOSTIC TEST

    3. Is the Heated Exhaust Gas Oxygen Sensor Heater (bank 1, sensor 1) PID value normal?

      Refer to INSPECTION

      Result

      Result
      Yes
      No

    Result:  2

    No 

    See step  10

    Result:  1

    Yes 

    See step  5

  5. PURPOSE: VERIFY DTC 
    1. Switch the ignition off, then ON (engine off).
    2. Retrieve the ECM DTCs using the Techstream.

      Refer to ON-BOARD DIAGNOSTIC TEST

    3. Are any DTCs present?

      Result

      Result
      Yes
      No

    Result:  2

    Yes 

    See step  18

    Result:  1

    No 

    See step  6

  6. PURPOSE: INSPECT A/F SENSOR CONNECTOR CONDITION 
    1. Switch the ignition off.
    2. Disconnect the A/F sensor connector.
    3. Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
    4. Is there any malfunction?

      Result

      Result
      Yes
      No

    Result:  2

    Yes 

    See step  17

    Result:  1

    No 

    See step  7

  7. PURPOSE: INSPECT INSTALLATION OF A/F SENSOR 
    1. Inspect installation of A/F sensor.
    2. Is the A/F sensor installed securely?

      Result

      Result
      Yes
      No

    Result:  2

    No 

    See step  16

    Result:  1

    Yes 

    See step  8

  8. PURPOSE: VERIFY IF MALFUNCTION RELATED TO EMISSION SYSTEM AFFECTS A/F SENSOR SIGNAL 
    1. Inspect for exhaust gas leakage from the exhaust system. (between A/F sensor and HO2S)
    2. Is there any malfunction?

      Result

      Result
      Yes
      No

    Result:  2

    Yes 

    See step  15

    Result:  1

    No 

    See step  9

  9. PURPOSE: DETERMINE INTEGRITY OF A/F SENSOR 
    1. Reconnect all disconnected connectors.
    2. Inspect the A/F sensor.

      Refer to INSPECTION

    3. Is there any malfunction?

      Result

      Result
      Yes
      No

    Result:  2

    Yes 

    See step  14

    Result:  1

    No 

    See step  10

  10. PURPOSE: DETERMINE INTEGRITY OF A/F SENSOR HEATER 
    1. Inspect the A/F sensor heater.

      Refer to INSPECTION

    2. Is there any malfunction?

      Result

      Result
      Yes
      No

    Result:  2

    Yes 

    See step  13

    Result:  1

    No 

    See step  11

  11. PURPOSE: VERIFICATION OF VEHICLE REPAIR COMPLETION 
    1. Always reconnect all disconnected connectors.
    2. Clear the DTC from the ECM memory using the Techstream.

      Refer to CLEARING DTC

    3. Implement the repeatability verification procedure.
    4. Perform the Pending Trouble Code Access Procedure.

      Refer to ON-BOARD DIAGNOSTIC TEST

    5. Is the PENDING CODE for this DTC present?

      Result

      Result
      Yes
      No

    Result:  1

    No 

    DTC TROUBLESHOOTING COMPLETED. 

    Result:  2

    Yes 

    See step  12

  12. REPEAT THE INSPECTION FROM STEP 6. 
    1. If the malfunction recurs, replace the ECM.

      Refer to REMOVAL

    2. Go to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  6

  13. REPLACE THE A/F SENSOR. 
    1. Refer to REMOVAL
    2. Then go to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  11

  14. REPLACE THE A/F SENSOR. 
    1. Refer to REMOVAL
    2. Then go to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  11

  15. REPAIR OR REPLACE THE MALFUNCTIONING PART ACCORDING TO THE INSPECTION RESULTS. 
    1. Then go to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  11

  16. RETIGHTEN THE A/F SENSOR. 
    1. Refer to INSTALLATION
    2. Then go to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  11

  17. REPAIR OR REPLACE THE CONNECTOR AND/OR TERMINALS. 
    1. Then go to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  11

  18. GO TO THE APPLICABLE DTC INSPECTION. 
    1. Refer to DIAGNOSTIC TROUBLE CODE CHART
    2. Go to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  6

  19. GO TO THE APPLICABLE DTC INSPECTION. 
    1. Refer to DTC P013100: O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) 

      Refer to DTC P013200: O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) 

      Refer to DTC P013400: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) 

      Refer to DTC P223700: O2 Sensor Positive Current Control Circuit/Open - Bank 1, Sensor 1

      Refer to DTC P224300: O2 Sensor Reference Voltage Circuit/Open - Bank 1, Sensor 1

      Refer to DTC P225100: O2 Sensor Negative Current Control Circuit/Open - Bank 1, Sensor 1

    2. Go to the next step.

      Result

      Proceed to
      NEXT

    Result:  2

    NEXT 

    See step  3

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