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:
Inspection
1. Inspect driver’s door lock
Inspect the door lock motor operation.
Standard:
If the result is not as specified, replace the door lock assembly.
Inspect the door lock and unlock switch continuity.
Standard:
If the result is not as specified, replace the door lock assem ...
Disposal
1. Dispose shock absorber assy rear lh
Fully extend the shock absorber rod.
using a drill, make a hole in the cylinder as shown in the
illustration to discharge the gas inside.
Caution:
when drilling, chips may fly out, work carefully.
The gas is colorless, odorless and no ...
Inspection procedure
1 Check door lock
When the door does not operate manually, proceed to ”a”.
when the door does not operate via the key, proceed to ”b”.
2 Inspect door lock control switch
W/ power window:
remove the power window regulator master switch assy.
Inspect th ...


