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 MANUALSTOYOTA20094RUNNER LIMITED, 4.0 U, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEM (1GR-FE)FUEL PUMP RELAYINSPECTION
2009 Toyota 4Runner Limited, 4.0 U, RWD
Fuel Pump Relay: Inspection
2009 Toyota 4Runner Limited, 4.0 U, RWDSECTION Inspection
- INSPECT FUEL PUMP RELAY ASSEMBLY
- Check the resistance.
- Using an ohmmeter, measure the resistance between the terminals.
Resistance
RESISTANCE SPECIFICATION TABLETester Connection Specified Condition 3 - 4 Below 1 Ω 3 - 5 10 kΩ or higher 3 - 4 10 kΩ or higher (Apply battery voltage to terminals 1 and 2) 3 - 5 Below 1 Ω (Apply battery voltage to terminals 1 and 2) If the result is not as specified, replace the fuel pump relay.
- Using an ohmmeter, measure the resistance between the terminals.
- Check the resistance.
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.