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 MANUALSTOYOTA2011LANDCRUISER V8-5.7L (3UR-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSSERVICE PRECAUTIONS
2011 Toyota Landcruiser V8-5.7L (3UR-FE)
Computers and Control Systems: Service Precautions
2011 Toyota Landcruiser V8-5.7L (3UR-FE)SECTION Service Precautions
3UR-FE ENGINE CONTROL: SFI SYSTEM: PRECAUTION
CAUTION:
When using the Techstream, observe the following items for safety reasons:
* Read its instruction books before using the Techstream.
* Prevent the Techstream cable from being caught on the pedals, shift lever and steering wheel when driving with the Techstream connected to the vehicle.
* When driving the vehicle for testing purposes using the Techstream, 2 persons are required. One person drives the vehicle, and the other operates the Techstream.
NOTICE:
* w/ Navigation system: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more disconnecting the cable from the negative (-) battery terminal.
* When disconnecting the cable, some systems need to be initialized after the cable from the cable is reconnected Repair Instruction - Initialization.
* Perform initialization (throttle position) after replacing the throttle body assembly or cleaning any throttle body components Programming and Relearning.
* Perform initialization (throttle position) after reconnecting the battery cable or replacing the ECM Programming and Relearning.
* Perform Reset Memory (AT initialization) when replacing the automatic transmission assembly, engine assembly or ECM Installation.
* Perform Registration (VIN registration) when replacing the ECM Installation.
HINT
Reset Memory cannot be completed by only removing the battery.
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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.