Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Readiness monitor drive pattern / Oxygen sensor monitor (front and rear o2s system)
Toyota Corolla (E120): 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).
Other materials:
Warning buzzer does not sound (key reminder
warning, light reminder warning)
Wiring diagram
Inspection procedere
1 Check buzzer
Check that all of the warning buzzers sound.
2 Inspect front door courtesy lamp switch assy
3 Inspect un–lock warning switch assy
4 Check harness and connector(between un–lock warning switch
and combination meter as ...
Rear combination lamp assy lh
Replacement
Using a clipremover, remove the 2 clips and disconnect
the luggage compartment trim cover lh.
Disconnect the connector and remove the 3 nuts.
Pull out the rear combination light assy lh to the back of
the vehicle, and remove.
...
Check mode procedure
1. Dtc check (check mode)
Hint:
hand–held tester only:
compared to the normal mode, the check mode has more sensing
ability to detect malfunctions. Furthermore, the same diagnostic
items which are detected in the normal mode can also be
detected in the check mode.
Procedure for check m ...


