Parts for your 2011 Toyota Aurion-Throttle position sensors

2011 Toyota Aurion Throttle Position Sensor (TPS)

Technical sources confirm the 2011 Toyota Aurion (GSV40R, 2GR‑FE 3.5L V6) is fitted with throttle position sensors as part of Toyota’s Electronic Throttle Control System – intelligent (ETCS‑i). Toyota’s factory repair information for the Aurion/Camry platform describes a motorised throttle body (“Throttle with Motor Body Assembly”) containing dual throttle position sensor circuits (VTA1/VTA2), with related OBD‑II DTCs including P0120–P0124, P0220–P0223 and P2135. Toyota parts catalogues list the throttle body assembly with an integral sensor and actuator for the 2GR‑FE. These technical references establish that the TPS is present and relevant on the 2011 Aurion.

On the 2011 Aurion, the throttle position sensor’s job is to tell the engine ECU exactly where the throttle plate is, in real time. Because the car uses drive‑by‑wire, the ECU compares driver demand from the accelerator pedal sensors with feedback from the TPS in the throttle body, then adjusts the throttle motor to deliver smooth power, stable idle, tidy fuel economy and crisp shifts. Toyota builds redundancy into this setup with two TPS signals that must agree, if they don’t, the ECU puts the car into limp mode to protect the engine and transmission.

Symptoms of a crook TPS or wiring on this model can include a check engine light, erratic idle, flat spots, sluggish response or sudden limp‑home behaviour. Common codes are P0121/P0122/P0123 and correlation codes like P2135. Because the sensors are integrated into the throttle body, replacement typically means swapping the entire throttle body assembly rather than a separate sensor.

Good servicing goes a long way. At regular service intervals, it’s smart to:

• Inspect the throttle body for carbon build‑up and gently clean the bore and plate with throttle‑safe cleaner (don’t drown the electronics).
• Check the harness plug for corrosion or pin tension and ensure battery voltage and grounds are healthy, as low voltage can mimic TPS faults.
• If the throttle body is removed or replaced, fit a new gasket, torque the bolts evenly, and perform an idle/throttle relearn. A scan tool speeds this up, but a key‑on, engine‑off cycle and a warm idle period often does the trick.

When replacement is needed, owners should budget for the throttle body assembly and about 1–2 hours of workshop time. Genuine or quality OEM‑equivalent parts are recommended for reliable operation. After refit, clear any codes, confirm live data for VTA1/VTA2 tracks aligns, and take a short test drive to verify clean throttle response across the rev range.

FAQs

Does the 2011 Aurion actually have a throttle position sensor if it’s drive‑by‑wire?
Yes. While there’s no old‑school external TPS on a cable throttle, the Aurion’s motorised throttle body houses dual throttle position sensors. The ECU cross‑checks these against the accelerator pedal sensors to control the throttle plate accurately.

Which fault codes point to a TPS issue on a 2011 Aurion?
Codes like P0120–P0124 and P0220–P0223 indicate range/performance or circuit issues with the TPS tracks. Correlation codes such as P2135 mean the two TPS signals disagree. Always check wiring, power and grounds before condemning the throttle body.

Can the TPS be replaced on its own?
On this model the TPS is built into the throttle body assembly, so it’s generally replaced as a complete unit. After installation, an idle/throttle relearn or a scan‑tool initialisation ensures smooth operation.