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 DIAGNOSISRESTRAINTSAIR BAG, SRSSUPPLEMENTAL RESTRAINT SYSTEMOCCUPANT CLASSIFICATION SYSTEMPRECAUTION
2009 Toyota Corolla S, 1.8 U, Standard
Occupant Classification System: Precaution
2009 Toyota Corolla S, 1.8 U, StandardSECTION Precaution
NOTE:
Do not use seat accessories (such as cushions or covers) that cover the front seats. Also, do not modify or replace the upholstery of the front seat. Doing so may prevent the front passenger airbag system from activating correctly, disable the system or cause the front passenger airbag to inflate accidentally, and result in death or serious injury.
- INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT
- Perform the zero point calibration and sensitivity check if any of the following conditions are met:
- The occupant classification ECU is replaced.
- The passenger airbag ON/OFF indicator indicates OFF when the front passenger seat is not occupied.
- The vehicle is brought to the workshop for repair after an accident or a collision.
- Perform the zero point calibration and sensitivity check if any of the following conditions are met:
- EXPRESSIONS OF IGNITION SWITCH
- The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section.
SWITCH SPECIFICATIONExpression Switch Type Ignition Switch (Position) Engine Switch (Condition) Ignition Switch off LOCK Off Ignition Switch ON ON On (IG) Ignition Switch ACC ACC On (ACC) Engine Start START Start
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.