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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA2011YARIS L4-1.5L (1NZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORTESTING AND INSPECTION
2011 Toyota Yaris L4-1.5L (1NZ-FE)
Throttle Position Sensor: Testing and Inspection
2011 Toyota Yaris L4-1.5L (1NZ-FE)SECTION Testing and Inspection
1NZ-FE ENGINE CONTROL SYSTEM: THROTTLE BODY: ON-VEHICLE INSPECTION
1. INSPECT THROTTLE WITH MOTOR BODY ASSEMBLY
(a) Turn the ignition switch to ON without operating the accelerator pedal.
NOTICE:
If the accelerator pedal is operated, perform the above steps again.
(b) Connect the Techstream to the DLC3 and clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(c) Start the engine and check that the MIL is not illuminated and that the idle speed is within the specified range when the A/C is switched off after the engine is warmed up.
Standard (for Automatic Transaxle):
Standard (for Manual Transaxle):
HINT
* Be sure to perform this step with all accessories off.
* Make sure that the shift lever is in neutral.
(d) Enter the following menus: Powertrain / Engine and ECT / Data List / Throttle Sensor Position. Fully depress the accelerator pedal and check that the value is 60% or more.
(e) Perform a road test and confirm that there are no abnormalities.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.