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 367 (AIR BAG RESTRAINT SYSTEMS)DIAGNOSTIC TESTSDTC 32/B1650: OCCUPANT CLASSIFICATION SYSTEM MALFUNCTIONPOSSIBLE CAUSES
2004 Toyota Matrix XR, FWD, Standard
Possible Causes
2004 Toyota Matrix XR, FWD, StandardSECTION Possible Causes
WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) 32/B1650 could be caused by an occupant detection sensor malfunction, air bag center sensor malfunction or defective wiring harness.
NOTE:
During testing, if DTCs other than DTC 32/B1650 are retrieved, disregard them.
Circuit wire colors may be different than those described in diagnostic procedure, depending on model. Check wiring diagrams to verify proper wire colors. See WIRING DIAGRAMS .
Circuit wire colors may be different than those described in diagnostic procedure, depending on model. Check wiring diagrams to verify proper wire colors. See WIRING DIAGRAMS .
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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.