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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 365 (AIR BAG RESTRAINT SYSTEMS)AIR BAG SAFETY PRECAUTIONSNOTES
2004 Toyota Matrix XR, FWD, Standard
Air Bag Safety Precautions: Notes
2004 Toyota Matrix XR, FWD, StandardSECTION Notes
WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
These precautions should be observed when working with air bag systems:
- Disable air bag system before servicing any air bag system or steering column component. Failure to do this could result in accidental air bag deployment and possible personal injury. See DISABLING & ACTIVATING AIR BAG SYSTEMΒ .
- Back-up power supply maintains deployment voltage for about 2 minutes after battery is disconnected. When disabling air bag system, always wait at least 2 minutes after disconnecting battery cables before servicing air bag system.
- After repairs, ensure AIR BAG warning light works properly and no system faults are indicated. See SYSTEM OPERATION CHECKΒ .
- Always wear safety glasses when servicing or handling an air bag.
- All SRS component fasteners are specially coated and are designed for a specific function. Never replace SRS component fasteners with other than original equipment parts.
- Air bag module must be stored in its original special container until used for service. It must be stored in a clean, dry, place, away from sources of extreme heat, sparks and high electrical energy.
- When placing a live air bag on a bench or other surface, always face air bag and trim cover up, away from surface. This will reduce motion of module if accidentally deployed.
- After deployment, air bag surface may contain deposits of sodium hydroxide, which irritates skin. Always wear safety glasses, rubber gloves, and long-sleeved shirt during clean-up and wash hands using mild soap and water. Follow correct disposal procedures. See DISPOSAL PROCEDURESΒ .
- Replace air bag system components only with approved Chrysler parts. Substitute parts may appear interchangeable, but internal differences may result in inferior occupant protection.
- Because of critical system operating requirements, DO NOT attempt to service any air bag components. Corrections are only made by replacing defective part.
- Electrical sources should never be allowed near inflator on back of air bag module.
- When carrying a live air bag module, trim cover should be pointed away from your body to minimize injury in case of deployment.
- When testing voltage or continuity at Occupant Restraint Controller (ORC), use wire side (not terminal end) of connector.
- DO NOT probe a wire through insulator, as this will damage it and eventually cause failure.
- When performing electrical tests, prevent accidental shorting of terminals. Such shorts can damage fuses or components and may cause a second DTC to set, making diagnosis of original problem more difficult.
- When diagnosing air bag system, use DRBIII volt/ohmmeter unless instructed to use an external volt/ohmmeter. Never use an analog volt/ohmmeter or test light in place of a digital volt/ohmmeter unless directed to do so.
- When using DRBIII to diagnose an air bag system problem, operate DRBIII from outside of vehicle. DO NOT sit inside of vehicle.
- Never use an ohmmeter to measure resistance of air bag module. Accidental air bag deployment may occur, causing personal injury.
- If air bag system is not fully functional for any reason, vehicle should not be driven until system is repaired and again becomes operational. DO NOT remove bulbs, modules, sensors, or other components or in any way disable system from operating normally. If air bag system is not functional, park vehicle until it is repaired and functions properly.
- When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARNΒ under DISABLING & ACTIVATING AIR BAG SYSTEM.
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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.