2009 Toyota Matrix Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Confirmation Driving Pattern

HINT:

This confirmation driving pattern is used in the "PERFORM CONFIRMATION DRIVING PATTERN" procedure of the following diagnostic troubleshooting procedure.

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

Fig 1: Vehicle Speed Driving Pattern
G06007957Courtesy 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 DTCs (See DTC CHECK / CLEAR ).
  5. Enter the following menus: Powertrain / Engine and ECT / Monitor / O2 Sensor / Details.
  6. Check that RES RATE B1S1 is fail.
  7. Start the engine and warm it up.
  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.
  9. Check the monitor result values on the Techstream by selecting the following menu items: Powertrain / Engine and ECT / Monitor / O2 Sensor / Details / RES RATE B1S1 / Details.
  10. Check that RES RATE B1S1 is pass.
  11. If the values indicated on the Techstream do not change, perform READINESS MONITOR DRIVE PATTERN for the air fuel ratio sensor and the heated oxygen sensor (See READINESS MONITOR DRIVE PATTERN ).

    HINT:

    Completion of all air fuel ratio sensor monitors is required to change the value in RES RATE B1S1.

  12. Note the value of the RES RATE B1S1.
  13. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  14. Check the DTCs.
Chapter Navigation
Return to Chapter: DTC P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1)
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.