Toyota Corolla (E120): Circuit description

The airbag sensor assy center consists of a airbag sensor assy center, safing sensor, drive circuit, diagnosis circuit and ignition control, etc.

It receives signals from the airbag sensor, judges whether or not the srs must be activated, and detects diagnosis system malfunction.

Dtc b1100/31 is recorded when occurrence of a malfunction in the airbag sensor assy center is detected.

Inspection procedure

Inspection procedure

Hint

: when a malfunction code other than code b1100/31 is displayed at the same time, first repair the malfunction indicated by the malfunction code other than code b1100/31.

    Share this page:

    Other materials:

    Checking the engine coolant
    The coolant level is satisfactory if it is between the "MAX" and "MIN" lines on the reservoir when the engine is cold. Reservoir "MAX" line "MIN" line If the level is on or below the "MIN" line, add coolant up to the "MAX" line. ■Coolant selection Only use "Toyota Super Long Life Coolant" or ...

    Warning buzzer does not sound (key reminder warning, light reminder warning)
    Wiring diagram Inspection procedere 1 Check buzzer Check that all of the warning buzzers sound. 2 Inspect front door courtesy lamp switch assy 3 Inspect un–lock warning switch assy 4 Check harness and connector(between un–lock warning switch and combination meter as ...

    Malfunction in speedometer
    Wiring diagram Inspection procedure 1 Check combination meter assy Remove the combination meter assy with connector still connected.  check voltage.  Jack up either of the front wheels.  Shift the shift lever to neutral.  Turn the ignition switch to on ...