Toyota Corolla (E120): Fail–safe chart

If any of the following codes is recorded, the ecm enters the fail–safe mode.

Check for intermittent problems

Check for intermittent problems

Hand–held tester only:

by putting the vehicle’s ecm in the check mode, the 1 trip detection logic is possible instead of the 2 trip detection logic, and the sensitivity to detect faults is increased. This makes it easier to detect intermittent problems.

  1. Clear the dtcs .
  2.  set the check mode .
  3.  perform a simulation test .
  4.  check the connector and terminal .
  5.  wiggle the harness and connector
    Share this page:

    Other materials:

    Problem symptoms table
    Hint: proceed with troubleshooting of each circuit in the table below. Symptom Suspect area When the ignition switch is in the on position, the srs warning light sometimes comes on after approximately 6 seconds.  Srs warning light ci ...

    Cruise control system
    On–vehicle inspection 1. Check play of accelerator auto drive cable assy Push the wire into the cable so as not to move the throttle link and put a mark on the position shown in the illustration. Pull the wire and check the moved distance of the mark. 2. Adjust play in acce ...

    Air conditioning filter
    The air conditioning filter must be changed regularly to maintain air conditioning efficiency. Removal method 1Turn the engine switch off. 2 Open the glove box. Slide off the damper. 3 Push in the glove box on the vehicle’s outer side to disconnect the claws. Then pull out the glove box ...