Toyota Corolla (E120): Inspection procedure

Hint

: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the air–fuel ratio was lean or rich, etc. At the time of the malfunction.

1 Check other dtc output(in addition p0121)

  1. Connect the hand–held tester or the obd ii scan tool to the dlc3.
  2.  turn the ignition switch on and push the hand–held tester or the obd ii scan tool main switch on.
  3.  select the item ”diagnosis / enhanced obd ii / dtc info / current codes”.
  4.  read the dtcs.

Result:

Hint:

Hint

: if any other codes besides p0121 is output, perform the troubleshooting for those dtcs first.

Go to relevant dtc chart

Go to relevant dtc chart

    Share this page:

    Other materials:

    Air outlets
    ■ Location of air outlets The air outlets and air volume changes according to the selected airflow mode. : Some models ■ Adjusting the position of and opening and closing the air outlets ► Front center outlets Direct air flow to the left or right, up or down. ► Fron ...

    Circuit description
    The speed sensor detects wheel speed and transmits the appropriate signals to the ecu. These signals are used for control of the abs control system. Each of the front and rear rotors has 48 serrations. When the rotors rotate, the magnetic field generated by the permanent magnet in the spe ...

    Replacement
    1. Remove instrument panel sub–assy lower 2. Remove clutch pedal spring 3. Remove clutch master cylinder push rod clevis w/hole pin Remove the clip and hole pin. 4. Remove clutch pedal support sub–assy W/ cruise control: disconnect the clutch switch assy connector. &nbs ...