Toyota Corolla (E120): Circuit description

The side squib (lh) circuit consists of the airbag sensor assy center and front seat airbag assy (lh).

It causes the srs to deploy when the srs deployment conditions are satisfied.

Dtc b0115/47 is recorded when a short is detected in the side squib (lh) circuit.

Wiring diagram

Wiring diagram

Inspection procedure

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    Check and replace ecu
    Notice: start an inspection of the connector from the backside of the connector on the wire harness side with the connector connected to the ecu. When no measurement condition is specified, perform the inspection with the engine stopped and also the ignition switch on. First check the ec ...

    Inspection procedure
    Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

    Inspection procedure
    Hint: start the inspection from step 1 in case of using the hand–held tester and start from step 2 in case of not using hand–held tester. 1 Inspect brake actuator assy Select the datalist mode on the hand–held tester.  check the operation sound of the abs pump motor when operat ...