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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    Terminals of ecu
    1. Inspect integration relay Disconnect the connector from the integration relay. check the continuity between each terminal of the disconnected connector and the body ground, as shown in the illustration and table. Standard: If the result is not as specified, the vehicle’s ...

    Inspection procedure
    1 Check p squib circuit(airbag sensor assy center – instrument panel passenger airbag assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connector between the airbag sensor assy center and the instrument panel ...

    AHB (Automatic High Beam)
    The Automatic High Beam uses a front camera located on the upper portion of the windshield to detect the brightness of the lights of vehicles ahead, streetlights, etc., and automatically changes the head lights between the high beams and low beams. WARNING ■For safe use Do not overly rely on the A ...