Toyota Corolla (E120): Circuit description

The side airbag sensor assy (lh) circuit consists of the diagnosis circuit and lateral deceleration sensor, etc.

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

Dtc b1141/33 is recorded when occurrence of a malfunction in the side airbag sensor assy (lh) is detected.

Wiring diagram

Wiring diagram

Inspection procedure

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    Wireless remote control/electronic key battery
    Replace the battery with a new one if it is depleted. You will need the following items: ● Flathead screwdriver ● Small flathead screwdriver ● Lithium battery CR2016 (vehicles without a smart key system), or CR2032 (vehicles with a smart key system) Replacing the battery &# ...

    Parking brake
    Operating instructions 1 To set the parking brake, fully pull the parking brake lever while depressing the brake pedal. 2 To release the parking brake, slightly raise the lever and lower it completely while pressing the button. *1: For U.S.A. *2: For Canada ■Parking brake engaged wa ...

    Circuit inspection
    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 airbag sensor assy center and the horn button assy.  connect the ...