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:

    Inspection procedure
    1 Check p squib circuit(airbag sensor assy center – instrument panel passenger airbag assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connector between the airbag sensor assy center and the instrument panel ...

    Headlight switch
    The headlights can be operated manually or automatically. Operating instructions Operating theswitch turns on the lights as follows: For the U.S.A. The headlights, daytime running lights and all the lights listed below turn on and off automatically.   The side marker, parking, LED ac ...

    Circuit description
    The seat position sensor circuit consists of the airbag sensor assy center and seat position sensor. Dtc b1153/25 is recorded when a malfunction is detected in the seat position sensor circuit. Wiring diagram ...