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:

    Circuit description
    The p squib (2nd step) circuit consists of the airbag sensor assy center and instrument panel passenger airbag assy. It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b1185/57 is recorded when a short is detected in the p squib (2nd step) circuit. Wiri ...

    Changing the engine switch positions
    1 “LOCK” The steering wheel is locked and the key can be removed. (Vehicles with an automatic transmission or continuously variable transmission: The key can be removed only when the shift lever is in P.) 2 “ACC” Some electrical components such as the audio system can be used. 3 “ON ...

    Washer fluid
    Add washer fluid in the following situations: ● A washer does not work. ● Vehicles without a multi-information display: The low windshield washer fluid warning light (if equipped) comes on. ● Vehicles with a multi-information display: The warning message (if equipped) appear ...