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

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


Go to relevant dtc chart
Other materials:
Heated steering wheel/seat heaters
Heated steering wheel
Warms up the grip of the
steering wheel
Seat heaters
Warm up the seat upholstery
WARNING
To prevent minor burn injuries
Care should be taken if anyone in
the following categories comes in
contact with the steering wheel or
seats when the heater is on:
Babies, small chil ...
USB Port/AUX Port
Connect an iPod, USB memory device or portable audio player to the USB/AUX
port as indicated below. Select “iPod”, “USB” or “AUX” on the audio source selection
screen and the device can be operated via multimedia system.
Connecting using the USB/AUX port
■ iPod
Open the cove ...
Fuel
Preparation
Sst
Recomended tools
Ssm
Equipment
...


