Toyota Corolla (E120): Oxygen / af sensor heater monitor

  1. Preconditions

The monitor will not run unless:

  • mil is off
  1.  drive pattern
  1.  connect the obd ii scan tool to the dlc3 to check monitor status and preconditions.
  2.  Start the engine and allow it to idle for 9 minutes.
  3.  Drive the vehicle at 25 mph (40 km/h) or more for at least 2 minutes.
  4.  If the readiness status dose not switch to complete, make sure that the preconditions are met and the ignition switch turned off and then repeat steps (2) and (3).
    Share this page:

    Other materials:

    Inspection procedure
    1 Check p/t squib(rh) circuit(airbaga sensor assy center – front seat outer belt assy rh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the seat belt pretensi ...

    Circuit description
    The vehicle equipped with abs detects a vehicle speed using the stability control ecu and wheel speed sensor. This sensor monitors a wheel rotation speed and sends the signal to the ecu. The stability control ecu converts these wheel speed signals into a 4–pulse signal and outputs it to ...

    Steering column
    Service data Torque specification Power steering Service data Torque specification : For use without sst ...