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

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    Inspection and adjustment procedure
    1 Tire valve 2 Tire pressure gauge 1 Remove the tire valve cap. 2 Press the tip of the tire pressure gauge onto the tire valve. 3 Read the pressure using the gauge gradations. 4 If the tire inflation pressure is not at the recommended level, adjust the pressure. If you add too much air, pres ...

    Follow the correction procedures. (vehicles with a smart key system and with a drive monitor display)
    After taking the specified steps to correct the suspected problem, check that the warning light turns off. ■SRS warning light This warning light system monitors the airbag sensor assembly, front impact sensors, side impact sensors (front door), side impact sensors (front), side impac ...

    Overhaul
    1. Remove bench type rear seat cushion assy Disengage the 2 clamps, and then remove the seat cushion. 2. Remove separate type rear seat back assy  lean the seat back forward.  remove the 2 clips.  remove the 2 bolts and seat back lh. employ the same manner describ ...