Parts for your 2024 Toyota Aqua-Camshaft sensor

2024 Toyota Aqua camshaft sensor — what it does and how to look after it

Based on Toyota technical documentation — including the Toyota Global Service Information (GSI), the Electrical Wiring Diagram (EWD), and the Toyota Electronic Parts Catalogue (EPC) for the 2021–present Aqua (MXPK11/MXPK16) with the M15A-FXE hybrid engine — the 2024 Toyota Aqua is fitted with a camshaft position sensor. These sources identify a “Sensor, Camshaft Position” and show its signal to the engine control module for cam timing and synchronisation.

On the Aqua’s 1.5‑litre Dynamic Force hybrid engine, the camshaft sensor keeps the ECU in the loop on where the camshaft sits relative to the crank. That info is crucial for smooth hybrid start‑ups, accurate fuel injection and spark, and for running the clever VVT‑iE system on the intake side. When it’s all talking nicely, the engine lights cleanly from standstill, swaps between EV and petrol without a hiccup, and keeps fuel use down to the sort of numbers owners love.

There’s no routine replacement interval for the camshaft sensor — it’s a monitor‑and‑maintain item. During regular servicing, a quick scan for fault codes (think P0340/P0341), a visual check of the sensor body and connector on the cylinder head, and a look for oil seepage at the O‑ring is the go. Good oil and filter changes matter too, clean oil helps prevent varnish and debris that can upset timing control and sensor readings.

If replacement’s needed, it’s straightforward: make the car safe (READY off, wait for systems to power down, disconnect the 12‑volt negative, don’t touch any orange high‑voltage gear), access the sensor at the timing chain end of the cylinder head, swap in a new O‑ring lightly oiled, seat the new sensor, and tighten the retaining bolt to the workshop manual spec. Reconnect the 12‑volt battery, clear codes, and confirm with a road test. If DIY isn’t your thing, a workshop can sort it quickly — it’s typically a short job, parts are modestly priced, and it saves chasing intermittent starting dramas.

• Common signs of trouble: hard or no start, rough idle, poor fuel economy, check‑engine light, or the engine stumbling when transitioning from EV to petrol.
• Pro tip: keep wiring and plugs clean and strain‑free — the sensor lives in a warm spot on the head, so heat‑hardened looms can cause false faults.

Popular questions about 2024 Toyota Aqua camshaft sensors

Does the 2024 Toyota Aqua actually have a camshaft sensor?
Yes. Toyota’s service manual, EWD, and EPC for the M15A‑FXE engine used in the 2024 Aqua list and illustrate a camshaft position sensor feeding the engine ECU for timing and synchronisation.

Where is the camshaft sensor on a 2024 Aqua?
It’s mounted on the cylinder head at the timing chain end of the engine, typically on the intake side. You’ll find it tucked near the front of the engine with a two‑pin connector and a single retaining bolt.

Is camshaft sensor replacement part of regular servicing?
No. It’s not a scheduled replacement item. It’s checked as needed — usually only replaced if fault codes or symptoms point to it. Keeping up with oil changes and inspecting the connector and O‑ring during services helps avoid issues.