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Home >> Toyota >> 2009 >> Camry Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control System (Hybrid) >> Initialization >> DTC P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1) >> Confirmation Driving Pattern

Confirmation Driving Pattern

HINT:

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

Fig 1: Vehicle Speed Driving Pattern
G05007883Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect Techstream to the DLC3.
  2. Turn the power switch on (IG).
  3. Turn the tester on.
  4. Clear the DTCs (if set) (See DTC CHECK/CLEAR ).
  5. Select the following menu items: Powertrain / Engine / Monitor / O2 Sensor / Details.
  6. Check that RES RATE B1S1 is Incomplete.
  7. Put the engine in inspection mode (See INSPECTION MODE PROCEDURE ), and warm it up.
  8. Drive the vehicle at a constant speed of between 40 mph and 70 mph (64 km/h and 113 km/h) for 3 minutes.
  9. Check the monitor result values on Techstream by selecting the following menu items: Powertrain / Engine / Monitor / O2 Sensor / Details / RES RATE B1 S1 / Details.
  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 ).

    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 / Trouble Code / Pending.
  13. Check if any DTCs (any pending DTCs) are set.
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