Toyota Corolla (E120): Circuit description

The airbag front rh sensor circuit consists of the airbag sensor assy center and airbag front rh sensor.

Dtc b1156/b1157/15 is recorded when a malfunction is detected in the airbag front rh sensor circuit.

Wiring diagram

Wiring diagram

Inspection procedure

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    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, th ...

    Power outlet
    Please use as a power supply for electronic goods that use less than 12 VDC/10 A (power consumption of 120 W). Open the lid. ■The power outlet can be used when ► Vehicles without a smart key system The engine switch is in the “ACC” or “ON” position. ► Vehicles with ...

    Inspection procedure
    Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...