Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2009COROLLA S, 1.8 U, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)RESTRAINTSAIR BAG, SRSSUPPLEMENTAL RESTRAINT SYSTEMFRONT SEAT CUSHION ASSEMBLY (W/ OCCUPANT CLASSIFICATION ECU, OCCUPANT CLASSIFICATION SENSOR)ON-VEHICLE INSPECTION
2009 Toyota Corolla S, 1.8 U, Standard
On-Vehicle Inspection
2009 Toyota Corolla S, 1.8 U, StandardSECTION On-Vehicle Inspection
- INSPECT OCCUPANT CLASSIFICATION SENSOR (VEHICLE NOT INVOLVED IN COLLISION)Β
- Perform a diagnostic system check (See DTC CHECK / CLEARΒ ).
- INSPECT OCCUPANT CLASSIFICATION SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)Β
- Perform a diagnostic system check (See DTC CHECK / CLEARΒ ).
- When an airbag has deployed as the result of a collision, be certain to replace the occupant classification sensor when it is in the damaged area (anywhere in need of repair). Furthermore, it is also necessary to replace the occupant classification sensor in an undamaged area that has registered a major collision, or which exhibits any of the following abnormalities:
- Cracks, dents or chips on the sensor housing.
- Cracks or other damage to the connector.
- Peeling off of the label or damage to the serial number.
CAUTION: Be sure to follow the correct removal and installation of the occupant classification sensor.
- INSPECT OCCUPANT CLASSIFICATION SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS DEPLOYED)Β
- When an airbag has deployed as the result of a collision, be certain to replace the occupant classification sensor in the damaged area (anywhere in need of repair). Furthermore, it is also necessary to replace the occupant classification sensor in an undamaged area that have registered a major collision, or which exhibits any of the following abnormalities:
- Cracks, dents or chips on the sensor housing.
- Cracks or other damage to the connector.
- Peeling off of the label or damage to the serial number.
CAUTION: Be sure to follow the correct removal and installation of the occupant classification sensor.
- When an airbag has deployed as the result of a collision, be certain to replace the occupant classification sensor in the damaged area (anywhere in need of repair). Furthermore, it is also necessary to replace the occupant classification sensor in an undamaged area that have registered a major collision, or which exhibits any of the following abnormalities:
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.