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 SYSTEMSTHROTTLE POSITION SENSORTESTING AND INSPECTION
2011 Toyota Landcruiser V8-5.7L (3UR-FE)
Throttle Position Sensor: Testing and Inspection
2011 Toyota Landcruiser V8-5.7L (3UR-FE)SECTION Testing and Inspection
3UR-FE ENGINE CONTROL: THROTTLE BODY: ON-VEHICLE INSPECTION
1. CHECK THROTTLE BODY ASSEMBLY
(a) Check the throttle control motor operating sounds.
(1) Turn the engine switch on (IG).
(2) When depressing the accelerator pedal, check the operating sound of the running motor. Make sure that no friction noises are emitted from the motor. If friction noise exists, replace the throttle body.
(b) Check the throttle position sensor.
(1) Connect the Techstream to the DLC3.
(2) Turn the engine switch on (IG).
(3) Turn the Techstream main switch on.
(4) Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Throttle Sensor Volt %.
(5) Depress the accelerator pedal. When the throttle valve is fully opened, check that the value of "Throttle Sensor Volt %" is within the specification.
Standard throttle valve opening percentage:
60% or more
HINT
When checking the standard throttle valve opening percentage, the shift lever should be in N.
If the percentage is less than 60%, replace the throttle body.
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.