Parts for your 2014 Toyota Fortuner-Throttle position sensors

2014 Toyota Fortuner throttle-position-sensors (TPS): what they do and how to look after them

Based on Toyota technical sources—Toyota Repair Manual coverage for ETCS-i petrol engines (2TR-FE, 1GR-FE) and the 1KD-FTV diesel, plus Toyota Electronic Parts Catalogue entries showing a throttle body assembly with an integrated position sensor—the 2014 Toyota Fortuner does use a throttle position sensor. On petrol variants it’s part of the electronic throttle body, on the 3.0L diesel it’s built into the intake throttle valve used for EGR control and smooth shutdown. Separate accelerator pedal position sensors are also fitted, but they’re a different part.

The throttle position sensor on a 2014 Fortuner tells the engine ECU exactly where the throttle butterfly sits. On the petrol models (ETCS‑i), that data is vital for fuelling, ignition timing, idle control, cruise control and transmission shift logic. On the diesel, the sensor tracks the intake throttle plate used to pull more EGR and to prevent shudder on key-off, helping drivability and emissions. If the ECU loses a clean signal, it can drop the vehicle into limp mode or flare/harsh-shift the auto, so a healthy TPS really matters on and off road.

There’s no set replacement interval, it’s a condition-based item. Typical clues a TPS is on the way out include erratic idle, hesitation, hunting on light throttle, a sluggish feel, poor economy, or a Check Engine light. Common DTCs to look for are P0120–P0124, P0220–P0229 and P2135-type correlation codes.

On these Fortuners the TPS is usually integrated into the throttle body (petrol) or the throttle valve assembly (diesel), so replacement commonly means swapping the whole unit. A sensible service approach is:

• Scan for fault codes and check live data for a smooth, linear throttle angle signal.
• Inspect the connector and loom under the bonnet for corrosion or chafing.
• Clean the throttle body bore and plate with sensor-safe cleaner, avoid drowning the electronics.
• If replacement is needed, fit quality parts and perform a throttle/idle learn with a capable scan tool. Battery pulls don’t always complete adaptation.
• After the job, clear codes, confirm no air leaks, and verify throttle angle tracks pedal input without dropouts.

Worth noting: the accelerator pedal position sensor is separate from the TPS. Many drivability complaints come from wiring or pedal sensors rather than the throttle body itself, so proper diagnostics save time and coin.

Popular questions about 2014 Toyota Fortuner throttle-position-sensors

Does the 2014 Fortuner diesel have a TPS like the petrol?
Yes—while the diesel doesn’t use a throttle to meter engine speed, it does have an intake throttle valve with a built-in position sensor. The ECU uses it to pull in EGR and to shut the engine down smoothly. Pedal input is handled by a separate accelerator pedal position sensor.

What fault codes point to a bad TPS on a 2014 Fortuner?
Expect codes such as P0120–P0124 (TPS circuit range/performance), P0220–P0229 (secondary TPS/APP circuits), and P2135 (throttle/pedal correlation). Always check live data to confirm a clean, linear sweep and rule out wiring issues.

Does a new throttle body/TPS need calibration?
Yes. After replacing the throttle body or intake throttle valve, perform a throttle/idle learn with a suitable scan tool so the ECU knows the new closed and open positions. This helps avoid high idle, stalling or limp mode.