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 43 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTING)FUEL SYSTEMFUEL DELIVERYFUEL PUMP SWITCH
2004 Toyota Matrix XR, FWD, Standard
Fuel Pump Switch
2004 Toyota Matrix XR, FWD, StandardSECTION Fuel Pump Switch
WARNING: This page is about a different car, the 2002 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Fuel pump switch may also be referred to as fuel pump inertia switch or fuel pump control switch.
- Fuel pump switch is located on driver's side, under front carpet, next to front console box and contains a reset switch. See Fig 1. Disconnect electrical connector at fuel pump switch. It will may be necessary to remove carpet and fuel pump switch to gain access to electrical connector.
- Using ohmmeter, check that no continuity exists between electrical terminals on fuel pump switch with reset switch in OFF position. Check that continuity exists between electrical terminals on fuel pump switch with reset switch in ON position. Replace fuel pump switch if defective. Ensure reset switch is in ON position for fuel pump operation.
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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.