Toyota Corolla (E120): Inspection procedure

1 Check p squib circuit(airbag sensor assy center – instrument panel passenger airbag assy)

  1. Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.
  2.  disconnect the connectors between the airbag sensor assy center and the instrument panel passenger airbag assy.
  3.  release the airbag activation prevention mechanism of the connector (on the airbag sensor assy center side) between the airbag sensor assy center and the instrument panel passenger airbag assy .
  4.  for the connector (on the instrument panel passenger airbag assy side) between the airbag sensor assy center and the instrument panel passenger airbag assy, measure the resistance between p2+ and p2–.

    Ok: resistance: 1 mw or higher

2 Check air bag sensor assy center

2 Check air bag sensor assy center

Sst 09843–18040

  1. Connect the connector to the airbag sensor assy center.
  2.  connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
  3.  turn the ignition switch to on, and wait at least for 20 seconds.
  4.  clear the dtc stored in memory .
  5. turn the ignition switch to lock, and wait at least for 20 seconds.
  6.  turn the ignition switch to on, and wait at least for 20 seconds.
  7.  check the dtc .

    Ok: dtc b1185/57 is not output.

Hint

: codes other than code b1185/57 may be output at this time, but they are not relevant to this check.

3 Check p squib

3 Check p squib

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 instrument panel passenger airbag assy connector.
  4.  connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
  5.  turn the ignition switch to on, and wait at least for 20 seconds.
  6.  clear the dtc stored in memory .
  7.  turn the ignition switch to lock, and wait at least for 20 seconds.
  8.  turn the ignition switch to on, and wait at least for 20 seconds.
  9.  check the dtc .

    Ok: dtc b1185/57 is not output.

Hint

: codes other than code b1185/57 may be output at this time, but they are not relevant to this check.

Use simulation method to check

Use simulation method to check

    Share this page:

    Other materials:

    On–vehicle inspection
    1. Inspect wireless door lock control functions Hint: the switch described in this text is a switch for transmitting signals (lock switch, unlock switch and panic switch) which is built into the door control transmitter. All the functions listed below must be checked in the remote contro ...

    Cleaning and protecting the vehicle interior
    The following procedures will help protect your vehicle’s interior and keep it in top condition: Protecting the vehicle interior Remove dirt and dust using a vacuum cleaner. Wipe dirty surfaces with a cloth dampened with lukewarm water. Cleaning the synthetic leather areas ● Remove l ...

    Rear seats
    ► Type A 1 Up Pull the head restraints up. 2 Down Push the head restraint down while pressing the lock release button. ► Type B 1 Up Pull the head restraints up. 2 Down Push the head restraint down while pressing the lock release button. ■Removing the head restraints ...