Parts for your 2013 Toyota Land cruiser-Throttle position sensors

2013 Toyota Land Cruiser throttle-position-sensors (TPS): fitted, what they do, and how to look after them

Yes, a throttle-position-sensor is used on the 2013 Toyota Land Cruiser. On both the 200 Series petrol (3UR‑FE) and diesel (1VD‑FTV) variants, Toyota runs an electronic throttle (ETCS‑i). The throttle-position-sensors are integrated into the throttle body and provide dual signals (often referred to as VTA/VTA2) to the engine ECU. Toyota’s factory Repair Manual for the 200 Series (SFI and ETCS‑i sections), the Toyota Electrical Wiring Diagram for engine control, and the Toyota Electronic Parts Catalogue all indicate the TPS is built into the throttle body assembly and is not serviced as a separate, stand‑alone sensor. Relevant diagnostics include DTCs such as P0120–P0124 and P2135, which specifically reference throttle position circuits in this model range.

On a 2013 Land Cruiser, the throttle-position-sensors tell the ECU exactly how far the throttle plate is open. That info is critical for managing fuel delivery, spark timing, transmission shift strategy, cruise control, EGR and idle control. Because Toyota uses redundancy (two correlated signals), the ECU can spot drift or disagreement quickly and will drop the vehicle into limp mode to protect the engine and driveline if readings aren’t right.

There’s no scheduled replacement for the TPS on this model. If a throttle-position fault pops up, the usual fix is to replace the complete throttle body assembly because the sensors are sealed and non‑serviceable. A technician will confirm the issue by checking live data for VTA/VTA2, running correlation tests, and inspecting wiring/connectors under the bonnet for damage or moisture. After fitting a new throttle body, an idle/throttle learn with a scan tool is recommended so the ECU can relearn stop points and idle airflow, some workshops complete this with a short drive cycle if a tool‑based routine isn’t specified. Always follow the factory torque specs and use a new gasket as required.

As part of routine servicing, it’s smart to:

• Keep the throttle body clean using the correct cleaner (don’t force the plate by hand).
• Check the harness and connector seal at the throttle body for chafing, oil ingress, or corrosion.
• Address warning lights early—rough idle, hesitant take‑off, surging, poor fuel economy, or repeated limp mode can signal TPS issues.

These steps align with Toyota’s Repair Manual guidance for ETCS‑i diagnostics and maintenance on the 200 Series, and with the EPC note that the throttle-position-sensors are part of the throttle body assembly.

Popular questions

Does the 2013 Land Cruiser have a separate throttle-position-sensor I can replace?
Not as a separate part. On the 200 Series, the TPS is integrated into the throttle body assembly. If testing confirms a TPS fault, the usual repair is to replace the throttle body, then perform an idle/throttle learn so the ECU knows the new sensor’s exact range.

What are the common signs of a failing TPS on a 2013 Land Cruiser?
Drivers often notice erratic idle, hesitation on take‑off, surging at steady speed, kick‑down that feels off, or the vehicle jumping into limp mode. The check engine light usually logs codes like P0120–P0124 or P2135. A proper scan with live data will show if the throttle signals disagree or drop out.

Is any special procedure needed after replacing the throttle body?
Yes. It’s best practice to run a throttle/idle learn with a suitable scan tool, or complete the drive‑cycle procedure specified in the Toyota manual. This helps stabilise idle quality and ensures the ECU recognises the new stop points and airflow characteristics.