Toyota Corolla (E120): Circuit description

The d squib circuit consists of the airbag sensor assy center, spiral cable sub–assy and horn button assy.

It causes the srs to deploy when the srs deployment conditions are satisfied.

Dtc b1180/17 is recorded when a short is detected in the d squib circuit (2nd step).

Wiring diagram

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Circuit description
    If the engine coolant temperature (ect) does not reach 75°c (167°f) despite sufficient warm – up time has elapsed. Dtc no Dtc detection condition Trouble area P0128 Condition (a), (b) and (c):  cold start  after engine is warmed up & ...

    Setting speed dials
    1 Select “Add SD” using . 2 Select the desired data using . 3 Press and hold the desired preset button (from to ). For details about setting speed dials from the call history: For details about deleting speed dials: ...

    Inspection procedure
    1 Check d squib circuit(airbag sensor assy center – horn button assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the horn button assy and the airbag sensor assy center.  for the blac ...