Toyota Corolla (E120): Inspection procedure

1 Prepare for inspection

  1. Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.
  2.  remove the horn button assy .
  3.  disconnect the connector of the instrument panel passenger airbag assy .
  4.  disconnect the connector of the front seat airbag assy rh and lh .
  5.  disconnect the connector of the seat belt pretensioner rh and lh .
  6.  disconnect the connectors of the airbag sensor assy center .
  7.  disconnect the connector of the airbag front rh sensor and airbag sensor front lh ( and 60–42).
  8.  disconnect the connector of the side airbag sensor assy rh and lh
  9.  disconnect the connector of the seat position airbag sensor .

Caution

: store the horn button assy, instrument panel passenger airbag assy and front seat airbag assy with the front surface facing upward.

2 Check source voltage

2 Check source voltage

  1. Connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
  2.  turn the ignition switch to on, and wait at least for 60 seconds.
  3.  measure the voltage between e1 (e2) and terminal ig2 on the sensor and operate electric system (defogger, wiper, headlight, heater blower, etc.).

    Ok: voltage: 10 – 14 v

3 Check srs warning light turn off

3 Check srs warning light turn off

  1. Turn the ignition switch to lock.
  2.  disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.
  3.  connect the horn button assy connectors.
  4.  connect the instrument panel passenger airbag assy connector.
  5.  connect the front seat airbag assy rh and lh connectors.
  6.  connect the seat belt pretensioner rh and lh connectors.
  7.  connect the airbag sensor assy center connectors
  8.  connect the front airbag sensor rh and lh connectors.
  9.  connect the side airbag sensor assy rh and lh connectors.
  10.  connect the seat position airbag sensor connector.
  11.  connect the negative (–) terminal cable to the battery.
  12.  turn the ignition switch to on, and wait at least for 60 seconds.
  13.  operate electric system (defogger, wiper headlight, heater blower, etc.) And check that srs warning light goes off.

    Ok: srs warning light is not light up.

4 Check air bag sensor assy center

4 Check air bag sensor assy center

Sst 09843–18040

  1. Turn the ignition switch to lock.
  2.  disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.
  3.  connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
  4.  turn the ignition switch to on, and wait at least for 20 seconds.
  5.  clear the dtc stored in memory .
  6.  turn the ignition switch to lock, and wait at least for 20 seconds.
  7.  turn the ignition switch to on, and wait at least for 20 seconds.
  8.  check the dtc .

    Ok: dtc is not output.

Use simulation method to check

Use simulation method to check

    Share this page:

    Other materials:

    Emergency Driving Stop System
    The emergency driving stop system is a system which automatically decelerates and stops the vehicle within its lane if the driver becomes unable to continue driving the vehicle, such as if they have suffered a medical emergency, etc. During LTA (Lane Tracing Assist) control, if the system does not ...

    Air outlets
    ■ Location of air outlets The air outlets and air volume changes according to the selected airflow mode. : Some models ■ Adjusting the position of and opening and closing the air outlets ► Front center outlets Direct air flow to the left or right, up or down. ► Fro ...

    Inspection
    1. Cooling fan relay Inspect the cooling fan relay continuity.  Using an ohmmeter, check that there is continuity between terminals 1 and 2. If there is no continuity, replace the relay.  Check that there is no continuity between terminals 3 and 5. If there is conti ...