Toyota Corolla (E120): Inspection procedure

1 Check ignition or starter switch assy

  1. Check the ignition switch, as shown in the illustration and table.

Standard:

2 Check fuse (ecu–b)

2 Check fuse (ecu–b)

  1. Remove the fuse from the instrument panel j/b.
  2.  check the continuity of the fuse.

Standard: continuity

3 Check relay (marking: ig1)

3 Check relay (marking: ig1)

  1. Remove the relay from the instrument j/b.
  2.  inspect the relay continuity, as shown in the illustration and table.

Standard:

4 Check tvip ecu

4 Check tvip ecu

  1. Disconnect the tvip ecu connector.
  2.  turn the ignition switch on.
  3.  measure the voltage between the terminal of the ecu connector and the body ground, as shown in the illustration and table.

Standard:

Check and replace tvip ecu

Check and replace tvip ecu

    Share this page:

    Other materials:

    Cassette tape cannot be ejected
    Wiring diagram Wiring diagram 1 Check if radio auto–search functions properly Check if the radio auto–search function properly.  Perform the auto–research of the radio and check that the operation is normal. Standard: malfunction disappear. 2 Press ”eject” and ...

    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 ...

    Inspection procedure
    1 Check connector Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  check the connection of the combination meter connector and the airbag sensor assy center connectors. Ok: the connectors are connected. 2 Check combination ...