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:

    Manual transmission/transaxle
    Preparation Sst Equipment Lubricant ...

    On–vehicle inspection
    1. Inspect cooling system for leaks Caution: to avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid and steam can be blown out under pressure.  fill the radiator with coolant and attach a radiator cap tester.   ...

    Child restraint systems
    Before installing a child restraint system in the vehicle, there are precautions that need to be observed, different types of child restraint systems, as well as installation methods, etc., written in this manual. Use a child restraint system when riding with a small child that cannot properly use a ...