Parts for your 2005 Toyota Rav4-Camshaft sensor

2005 Toyota RAV4 Camshaft Position Sensor — What It Does and When To Replace It

Toyota’s own service information for the 2004–2005 RAV4 (2AZ‑FE engine) lists a camshaft position sensor in the Engine Control System, complete with diagnostics for DTCs P0340/P0341. The 2005 RAV4 Electrical Wiring Diagram also shows the “Camshaft Position Sensor (G2)” circuit to the ECM, and the Toyota parts catalogue lists a dedicated cam sensor for this model. So yes — the 2005 RAV4 is fitted with a camshaft position sensor and it’s very relevant to engine operation.

On the 2.4‑litre 2AZ‑FE, the camshaft sensor monitors the intake cam’s position and feeds that to the engine control module. The ECM uses this signal to fire the injectors at the right time, coordinate with the crank sensor for accurate ignition timing, and control VVT‑i so the RAV4 runs smoothly and efficiently. When the signal goes missing or dodgy, the ECM can’t sync things properly — you’ll often see a Check Engine light and feel poor running.

Common signs the cam sensor is on the way out include:

• Hard starting or stalling when warm
• Rough idle, flat spots, or reduced power
• Fuel economy dropping off
• Check Engine light with codes like P0340/P0341

It’s not a routine service item, but it’s smart to check the connector for oil ingress or corrosion during a major service, and keep engine oil clean — sludgy oil can interfere with VVT‑i operation and the sensor’s magnetic pickup. If replacement is needed, it’s a simple, top‑side job: disconnect the battery, unplug the sensor at the timing chain end of the cylinder head, remove the small retaining bolt, twist and pull the sensor out, and swap in a new unit with a lightly oiled O‑ring. Refit the bolt to around 8–9 N·m and reconnect. Clear codes and verify live data shows a stable cam signal.

Quality matters. A genuine or reputable aftermarket sensor avoids nuisance faults. If there are still issues after replacement, check the crank sensor, timing chain stretch, and wiring continuity to the ECM before throwing more parts at it.

Where is the camshaft sensor on a 2005 RAV4?

It’s bolted to the cylinder head at the timing chain end, near the top of the engine under the bonnet. Access is from above, usually the engine cover is the only thing in the way. Look for a small, two‑wire or three‑wire plug going into a sensor with a single retaining bolt.

Does the camshaft sensor need regular replacement?

No, it’s replaced on condition. During servicing, a quick visual of the connector and a scan for fault codes is enough. If the RAV4 logs P0340/P0341 or shows hard starting and rough idle, test it before replacing.

What else should be checked if a new cam sensor doesn’t fix the fault?

Inspect the crankshaft sensor, wiring and connectors, timing chain stretch or misalignment, and ECM grounds. Low oil quality affecting VVT‑i can mimic cam sensor symptoms too.