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:
Display and menu icons
■ Display
Driving support system status
display area
Displays an image when the following
systems are operating and a
menu icon other than is
selected:
LTA (Lane Tracing Assist)
LDA (Lane Departure Alert)
Dynamic radar cruise control
RSA (Road Sign Assist) (if
equipped)
Content disp ...
Inspection procedure
1 Inspect stop lamp switch assy
Check that the stop light lights up when brake pedal is depressed and
turns off when the brake pedal
is released.
2 Inspect skid control ecu terminal voltage(stp terminal)
Disconnect skid control ecu connector.
measure voltage between termina ...
About this vehicle
1. Structural outline
2. Notice about vehicle condition when jacking up
vehicle
(a) notice for using jack and safety stand
(B) notice for using swing arm type lift
(C) notice for using plate type lift
3. Damage diagnosis
4. Components
(a) front bumper
(B) side mu ...


