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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    Replacement
    1. Disconnect battery negative terminal 2. Remove engine under cover rh 3. Remove starter assy Disconnect the starter connector.  open the terminal cover. remove the nut, then disconnect the starter wire.  remove the 2 bolts, then remove the starter. 4. Install starter a ...

    Outside temperature display
    The temperature display shows temperatures within the range of -40°F (-40°C) to 122°F (50°C). ► Type A ► Type B ► Type C ► Type D ■The outside temperature is displayed when ►Vehicles without a smart key system The engine switch is in the “ON ...

    Definition of terms
    Term Definition Monitor description Description of what the ecm monitors and how it detects malfunctions (monitoring purpose and its details). Related dtcs Diagnostic code Typical enabling condition Preconditions that allow the ecm to detect ...