Parts for your 2022 Toyota C-hr-Camshaft sensor

2022 Toyota C‑HR camshaft sensor: what it does and when to service it

Yes, the 2022 Toyota C‑HR uses a camshaft position sensor (often called a cam sensor). This is documented in Toyota’s C‑HR Repair Manual on TIS for AX/NGX/ZYX models, which includes diagnostic procedures for DTCs like P0340 and P0345 (Camshaft Position Sensor “A/B” Circuit). Toyota’s wiring diagrams show CMP signals feeding the engine control module for variable valve timing control, and the Toyota parts catalogue lists a “Sensor, Camshaft Position” for the 2022 C‑HR’s petrol engines (including common local variants). Those factory sources confirm the part is fitted and actively used.

On the 2022 C‑HR, the cam sensor tells the ECU exactly where the camshaft(s) sit in real time, so it can sync fuel injection and ignition with the crank angle and dial in VVT-i/VVT‑iE. That’s how the little SUV feels smooth off the line, saves fuel on a cruise, and still has punch when asked. Depending on engine variant, there may be an intake and an exhaust cam sensor—both typically mounted on the cylinder head near the timing cover under the bonnet.

There’s no scheduled replacement for the cam sensor, it’s essentially maintenance‑free. As part of regular servicing, a good workshop will:

• Scan for fault codes (e.g., P0340/P0345) and check live cam/crank sync.
• Inspect the sensor connector and loom for oil intrusion or chafing.
• Keep engine oil clean and at the right level—sludgy oil can upset cam timing and trigger sensor‑related faults.

Signs the C‑HR’s cam sensor may be on the way out include hard starting, intermittent stalling, rough idle, flat spots, poorer fuel economy, or the check engine light. If diagnosed as faulty, replacement is straightforward: remove the engine cover, unplug the connector, take out the retaining bolt, twist and withdraw the sensor, lightly oil the new O‑ring, refit, and tighten to the specification in the Toyota repair manual. It’s smart to disconnect the battery before unplugging sensors and to clear codes with a scan tool after the job. Because symptoms can mimic issues with the crank sensor, VVT oil control valves, or timing concerns, proper diagnosis per the Toyota manual beats guesswork every time.

Used with genuine‑quality parts and the right oil, the C‑HR’s cam sensor should give years of quiet, reliable service.

Popular questions

Does the 2022 Toyota C‑HR have one or two camshaft sensors?
Most 2022 C‑HR engines use cam sensing for at least the intake cam, and many variants monitor both intake and exhaust cams. Toyota’s service literature references intake (G2) and exhaust (G22) cam signals on common models. It’s an inline‑four, so all sensors are on Bank 1.

Check the exact engine code on the build plate and confirm via the Toyota repair manual or parts catalogue to see whether yours has one or two sensors.

How often should the camshaft sensor be replaced?
There’s no set interval—it’s a “replace on failure” part. During routine servicing, techs should scan for related DTCs and inspect wiring. If the sensor tests out of spec or shows signal dropout in live data, that’s the time to change it.

Sticking to the correct oil grade and timely oil changes helps prevent false cam timing issues that can look like sensor faults.

What are the symptoms of a failing camshaft sensor on a C‑HR?
Common signs include hard starts, rough or hunting idle, hesitation, reduced power, worse fuel economy, and the check engine light. Scan tools may reveal P0340/P0345 or cam/crank correlation faults.

Because other faults can mimic a bad cam sensor, always confirm with the factory test procedure before replacing parts.