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Home >> Toyota >> 2008 >> Highlander Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Control System (2GR-FE Except Hybrid) - DTC P0606 - P2A03 >> DTC P2A00, P2A03: A/F Sensor Circuit Slow Response (Bank 1 Sensor 1); 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 air fuel ratio sensor response monitor.

Fig 1: Identifying Vehicle Speed Driving Pattern
G05413830Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect Techstream to the DLC3.
  2. Turn the ignition switch on (IG).
  3. Turn the tester on.
  4. Clear the DTCs (where set).
  5. Select the following menu items: Powertrain / Engine and ECT / Monitor / O2 Sensor / Details.
  6. Check that RES RATE B1S1 and RES RATE B2S1 are 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 air fuel ratio sensor and the heated oxygen sensor.

    HINT:

    Completion of all air fuel ratio 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.
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