Toyota Corolla (E120): Oxygen sensor monitor (front and rear o2s system)

  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 2 minutes or more.
  3.  Drive the vehicle at 25 mph (40 km/h) or more for at least 50 seconds.
  4.  Stop the vehicle and allow the engine to idle for 40 seconds or more.
  5.  Perform steps (3) and (4) ten times.
  6.  If the readiness status dose not switch to complete, make sure that the preconditions are met and the ignition switch is turned off and then repeat steps (1) through (5).
    Share this page:

    Other materials:

    Amplifier antenna assy
    Replacement Hint: components: Remove roof headlining assy Notice: do not bend the roof headlining assy. Hint: refer to the procedure from ”remove roof headlining assy” of roof headlining assy. Remove the related parts as long as the amplifier antenna assy can be removed. ...

    Shift lock system (atm)
    On–vehicle inspection 1. Check shift lock operation  shift the shift lever to p position.  turn the ignition switch to lock.  check that the shift lever cannot be shifted to any other positions other than p.  turn the ignition switch to on, depress the brake pedal ...

    Windshield wiper motor assy
    Replacement 1. Remove windshield wiper arm cover 2. Remove fr wiper arm rh  operate the wiper and stop the windshield wiper motor assy at the automatic stop position.  remove a nut and fr wiper arm rh. 3. Remove fr wiper arm lh  remove a nut and fr wiper arm lh. 4 ...