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Home >> Toyota >> 2011 >> Camry Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (Engine Control (SFI) System (2GR-FE) (Diagnostic Codes (P0443-U0101) & Circuit Tests) (Except Hybrid)) >> SFI System >> DTC P2A00: A/F Sensor Circuit Slow Response (Bank 1 Sensor 1); DTC P2A03: A/F Sensor Circuit Slow Response (Bank 2 Sensor 1) >> Confirmation Driving Pattern

Confirmation Driving Pattern

WARNING: This page is about a different car, the 2010 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

Performing this confirmation pattern will activate the air fuel ratio sensor response monitor.

Fig 1: Confirmation Driving Pattern
GTY170441Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON.
  3. Turn the Techstream on.
  4. Clear the DTCs (even if no DTCs are stored, perform the Clear DTC procedure). Refer to DTC CHECK / CLEAR .
  5. Turn the ignition switch off and turn the Techstream off.
  6. Turn the ignition switch to ON and turn the Techstream on [A].
  7. Enter the following menus: Powertrain / Engine / Monitor / O2 Sensor / Details.
  8. Check that RES RATE B1S1 and RES RATE B2S1 are Fail.
  9. Start the engine and warm it up (until the engine coolant temperature is 75°C (167°F) or more) [B].
  10. Drive the vehicle at a constant speed of between 47 and 62 mph (75 and 100 km/h) for 10 minutes [C].
  11. Check the monitor result values on the Techstream by entering the following menus: Powertrain / Engine / Monitor / O2 Sensor / Details / RES RATE B1S1 and B2S1.
  12. If the values indicated on the Techstream do not change, perform Readiness Monitor Drive Pattern for the air fuel ratio sensor and heated oxygen sensor. Refer to READINESS MONITOR DRIVE PATTERN .
  13. Note the value of the RES RATE B1S1 and RES RATE B2S1.
  14. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  15. Input the DTC: P2A00 or P2A03.
  16. Check the DTC judgment result [D].
    Techstream Display Description
    NORMAL
    • DTC judgment completed
    • System normal
    ABNORMAL
    • DTC judgment completed
    • System abnormal
    INCOMPLETE
    • DTC judgment not completed
    • Perform driving pattern after confirming DTC enabling conditions
    UNKNOWN
    • Unable to perform DTC judgment
    • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit

    HINT: 

    If the judgment result shows ABNORMAL, the system has a malfunction.

  17. If the test result is UNKNOWN, enter the following menus: Powertrain / Engine / Trouble Codes / Pending.
  18. Read Pending DTCs.

    HINT: 

    If a pending DTC is output, the system is malfunctioning.

  19. If the test result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to DTC CHECK / CLEAR .

    HINT: 

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTC is output, the system is normal.
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