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Home >> Toyota >> 2008 >> RAV4 Base, 3.5 K, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System (2GR-FE) >> 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
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Confirmation Driving Pattern

HINT:

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

Fig 1: Vehicle Speed Driving Pattern
G05183715Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect Techstream to the DLC3.
  2. Turn the ignition switch ON.
  3. Turn the tester ON.
  4. Clear DTCs (if set) (see DTC CHECK / CLEAR  ).
  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.
  8. Drive the vehicle at a constant speed of between 40 km/h and 120 km/h (25 mph and 75 mph) for 3 minutes.
  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 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.
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