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 178 (POWER & HEATED SEATS)COMPONENT TESTSMOTOR PTC THERMISTOR (FRONT VERTICAL)
2004 Toyota Matrix XR, FWD, Standard
Motor PTC Thermistor (Front Vertical)
2004 Toyota Matrix XR, FWD, StandardSECTION Motor PTC Thermistor (Front Vertical)
WARNING: This page is about a different car, the 2002 Lexus GS 430 and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Numbers in parentheses ( ) refer to the passenger side.
- Connect the positive (+) lead from the battery to terminal No. 1 (2), the positive (+) lead from the ammeter to terminal No. 2 (1) and the negative (-) lead to the battery negative (-) terminal, then move the seat cushion to the highest position. See CONNECTOR IDENTIFICATION . Continue to apply voltage, check that the current changes to less than 1 ampere within 4-90 seconds.
- Disconnect the leads from terminals. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal No. 2 (1) and the negative (-) lead to terminal No. 1 (2), check that the seat cushion begins to descend. If operation is not as specified, replace the seat adjuster. See POWER SEAT under REMOVAL & INSTALLATION.
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.