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:

    Power point socket assy
    Replacement Hint: components: 1. Remove floor shift shift lever knob sub–assy (m/t transaxle) 2. Remove console panel upper 3. Remove power point socket assy Turn the socket in the circumference direction as shown the illustration, disengage the claw between the socket and the pow ...

    Auto connection
    To turn auto connection mode on, set “Bluetooth* Power” to on. When you register a phone, auto connection will be activated. Always set it to this mode and leave the Bluetooth® phone in a place where a connection can be established. When the engine switch is turned to ACCESSORY or ON <IG ...

    Floor shift parking lock cable assy (atm)
    Replacement 1. Precaution 2. Disconnect battery negative terminal 3. Place front wheels facing straight ahead 4. Remove horn button assy 5. Remove steering wheel assy sst 09950–50013 (09951–05010, 09952–05010, 09953–05020, 09954–05021) 6. Remove steering column cover 7. Remove c ...