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)SFI SYSTEMPRECAUTION
2009 Toyota 4Runner Limited, 4.0 U, RWD
SFI System: Precaution
2009 Toyota 4Runner Limited, 4.0 U, RWDSECTION Precaution
- INITIALIZATIONÂ NOTE:
- Perform the RESET MEMORY (AT initialization) when replacing the automatic transmission assembly, engine assembly or ECM (See INITIALIZATION ).
- Perform the REGISTRATION (VIN registration) when replacing the ECM (See REGISTRATIONÂ ).
HINT:
RESET MEMORY can not be completed by only removing the battery.
- FOR USING TECHSTREAMÂ NOTE: Observe the following items for safety reasons:
- Read its instruction books before using the tester.
- Prevent the tester cable from being caught on the pedals, shift lever and steering wheel when driving with the tester connected to the vehicle.
- When driving the vehicle for testing purposes using the tester, two persons are required. One is for driving the vehicle, and the other operates the tester.
RENDER: 1.0x
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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.