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Home >> Toyota >> 2009 >> Sienna LE, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0617 - P2A03 >> 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
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Confirmation Driving Pattern

HINT:

Performing this confirmation driving pattern will activate the A/F sensor response monitor.

Fig 1: Confirmation Driving Pattern Of Vehicle Speed And Time
G04973728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect Techstream to the DLC3.
  2. Turn the ignition switch to the ON position.
  3. Turn the tester on.
  4. Clear the DTCs (where set).
  5. Select the following menu items: Powertrain / Engine and ECT / Monitor / Result.
  6. Check that RES RATE B1S1 and RES RATE B2S1 is Incomplete.
  7. Start the engine and warm it up (Procedure "A").
  8. Drive the vehicle at between 25 mph and 75 mph (40 km/h and 120 km/h) for 3 minutes. However, the vehicle should be driven at a constant speed (Procedure "B").
  9. Check the monitor result values on Techstream by selecting the following menu items: Powertrain / Engine and ECT / Monitor / O2 Sensor / Details / RES RATE B1S1 and RES RATE B2S1.
  10. If the values indicated on the tester do not change, perform READINESS MONITOR DRIVE PATTERN for the A/F sensor and the heated oxygen sensor (See READINESS MONITOR DRIVE PATTERN ).

    HINT:

    Completion of all A/F sensor monitors is required to change the value in test result.

  11. Note the value of the Monitor Result.
  12. Select the following menu items: Powertrain / Engine and ECT / Trouble Code / Pending.
  13. Check if any DTCs (any pending DTCs) are set.