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Parts for your 2016 Toyota C-hr-Throttle position sensors
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2016 Toyota C‑HR Throttle Position Sensors
Toyota’s own technical literature confirms the 2016 C‑HR uses a throttle position sensor as part of its electronic throttle control (ETCS‑i). The Toyota Repair Manual and Electrical Wiring Diagram for the 8NR‑FTS 1.2‑litre turbo and 2ZR‑FXE hybrid engines show dual‑track throttle position sensing (VTA1/VTA2) built into the throttle body with motor, and the Toyota parts catalogue lists the sensor as integral to the throttle body assembly rather than a separate, serviceable part.
On the 2016 Toyota C‑HR, the throttle position sensors tell the engine ECU exactly how far the throttle plate is open. Working alongside the accelerator pedal sensors, they let the ECU decide how much to open the throttle motor for smooth response, stable idle, and emissions control. Because Toyota integrates the TPS into the throttle body, there’s no separate little black sensor to unbolt—if the TPS fails or its two signals don’t agree, the fix is typically a complete throttle body assembly.
There’s no scheduled replacement for the TPS on this model. As part of routine servicing, it pays to:
- Visually check the throttle body connector and wiring for moisture, corrosion or chafing.
- Clean the throttle bore and plate with a throttle‑safe cleaner if there’s sticky buildup—don’t force the plate by hand.
- Scan for DTCs like P0120–P0124 or P2135 and check live data for VTA1/VTA2 agreement if drivability seems off.
When the sensor goes out of spec, drivers may notice limp mode, poor throttle response, unstable idle, or the MIL on. If replacement is needed, the workshop will usually fit a new throttle body, a fresh gasket, and then carry out the proper throttle/idle learning with a scan tool (Techstream or equivalent). Battery disconnects alone don’t always relearn correctly on these cars, so a proper adaptation helps avoid a high or hunting idle. Always torque the throttle body evenly, confirm there are no vacuum leaks, clear codes, and recheck the data list to ensure both TPS tracks line up within spec.
It’s a tidy, modern setup: robust, low‑maintenance, and designed to keep the C‑HR driving nicely without fuss—as long as the connector stays clean and the bore doesn’t gum up.
- Does a 2016 Toyota C‑HR have a throttle position sensor?
- Can the TPS be replaced separately on a 2016 C‑HR?
- What are common symptoms of a failing TPS on a C‑HR?
Does a 2016 Toyota C‑HR have a throttle position sensor?
The 2016 C‑HR does have throttle position sensors, but they’re built into the throttle body with the drive‑by‑wire motor. Toyota’s repair manual and wiring diagrams show dual‑track signals (VTA1/VTA2) used by the ECU for precise control.
Can the TPS be replaced separately on a 2016 C‑HR?
No. On this model the TPS isn’t a standalone service part. If the sensor is faulty or the correlation codes won’t clear, the recommended fix is to replace the throttle body assembly, fit a new gasket, and perform throttle/idle relearn with a scan tool.
What are common symptoms of a failing TPS on a C‑HR?
Expect the check engine light, reduced power (limp mode), erratic idle, poor fuel economy, or hesitant acceleration. Fault codes like P0120–P0124 or P2135 often accompany these symptoms. A quick scan and live‑data check will confirm if the two TPS tracks disagree.
