Toyota Corolla (E120): Circuit description

The seat belt buckle switch (lh) circuit consists of the airbag sensor assy center and front seat inner belt assy (lh).

Dtc b0126/b0127/27 is recorded when a malfunction is detected in the seat belt buckle switch (lh) circuit.

Wiring diagram

Wiring diagram

Inspection procedure

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    About this vehicle
    1. Structural outline 2. Notice about vehicle condition when jacking up vehicle (a) notice for using jack and safety stand (B) notice for using swing arm type lift (C) notice for using plate type lift 3. Damage diagnosis 4. Components (a) front bumper (B) side mu ...

    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 ...

    Front suspension arm sub–assy lower no.1 Lh
    Replacement Hint: components: 1. Remove front wheel 2. Disconnect front stabilizer link assy lh (lh (a/t) position) 3. Disconnect front stabilizer link assy rh (lh (a/t) position) Hint: remove the rh side by the same procedures as the lh side. 4. Separate front suspension arm sub–assy lowe ...