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

Toyota Corolla Repair Manual / Diagnostics / Sfi system / Readiness monitor drive pattern / Oxygen sensor monitor (front and rear o2s system)

Preconditions

The monitor will not run unless:

mil is off

drive pattern

connect the obd ii scan tool to the dlc3 to check monitor status and preconditions.
Start the engine and allow it to idle for 2 minutes or more.
Drive the vehicle at 25 mph (40 km/h) or more for at least 50 seconds.
Stop the vehicle and allow the engine to idle for 40 seconds or more.
Perform steps (3) and (4) ten times.
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).

Evap monitor (vacuum pressure monitor) (continued)

Preconditions The monitor will not run unless: mil is off. Fuel level is approximately 1/2 to 3/4. Altitude is 7800 feet (2400 m) or less.* Engine coolant temperature (ect) is betw ...

Oxygen / af sensor heater monitor

Preconditions The monitor will not run unless: mil is off drive pattern connect the obd ii scan tool to the dlc3 to check monitor status and preconditions. & ...

Other materials:

Disposal
Hint: when scrapping vehicle equipped with an srs or disposing of a instrument panel passenger airbag assy, always first deploy the airbag in accordance with the procedure described below. If any abnormality occurs with the airbag deployment, contact the service dept. Of toyota motor sales, ...

Inspection procedure
Hint: this dtc chart is on the premise that the engine is cranked normally. If the engine is not cranked, proceed to the problem symptoms table on page 05–42. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions wh ...

Starting & charging
Preparation Sst Recomended tools Equipment ...