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Toyota Corolla Repair Manual: Oxygen / af sensor heater monitor

  1. Preconditions

The monitor will not run unless:

  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).
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. &nb ...

Diagnostic trouble code chart
Hint: as for the vehicle for mexico, refer to repair manual 2003 corolla (pub. No. Rm938u). Parameters listed in the chart may not be exactly the same as your readings due to the type of instr ...

Other materials:

Update contacts from phone
Operation methods differ between PBAP compatible and PBAP incompatible but OPP compatible Bluetooth phones. If your cellular phone is neither PBAP nor OPP compatible, the contacts cannot be transferred. ■ For PBAP Compatible Bluetooth Phones 1 Select Update Contacts from Phone. 2 C ...

Phone screen
To display the screen shown below, press the switch on the steering wheel or the button. Several functions are available to operate on each screen that is displayed by selecting the 4 tabs. 1 Device name 2 Bluetooth connection status ■ Telephone switch ■ Microphone ► ...

Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located before and after the catalyst to determine whether or not the catalyst performance has deteriorated. Airfuel ratio feedback compensation keeps the waveform of the heated oxygen sensor in front of the catalyst alternate ...

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