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.
2001 Lexus LX 470FACTORY OEM SERVICE PROCEDURE
Fuel Pump Switch
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.
Factory Service Tools
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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.
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