Parts for your 2009 Honda Cr-v-Camshaft sensor

2009 Honda CR‑V Camshaft Sensor: What It Does and How to Look After It

Yes, the 2009 Honda CR‑V uses a camshaft position (CMP) sensor. Technical sources confirming this include the Honda CR‑V 2007–2011 service manual sections for Engine Electrical (which outline “CMP Sensor A” diagnostics and wiring), Honda dealer parts catalogues listing a camshaft position sensor for the 2.4‑litre K24Z engine, and Honda OBD‑II fault code references that include P0340/P0341 for CMP sensor faults on this model. So the camshaft sensor is very much relevant to this vehicle.

On the 2009 CR‑V, the camshaft sensor tracks the exact position of the camshaft and feeds that timing signal to the ECU. That lets the ECU coordinate sequential fuel injection, spark timing, and i‑VTEC/VTC cam phasing. When it’s healthy, cold starts are clean, throttle response is crisp, and fuel economy stays on point. If it goes out of spec, drivers may see a check‑engine light, sluggish performance, rough idle, or hard starting.

There’s no scheduled replacement interval for the camshaft sensor, it’s a fit‑and‑forget item unless there’s a fault. As part of servicing, it pays to visually check the connector and loom under the bonnet for oil weeps, heat damage, or corrosion. Keep the area dry when washing the engine bay, and don’t soak the sensor with solvent—just a gentle wipe if there’s grime.

Replacement is straightforward on the CR‑V’s K24Z: disconnect the battery, unplug the sensor, remove the retaining bolt, and ease the sensor out of the cylinder head. Fit a fresh O‑ring, lightly oil it, and install the new unit, tightening the bolt to factory spec. Clear any fault codes and take a short drive. No special relearn is usually needed, the ECU picks up the signal straight away. Using a quality OEM‑equivalent sensor helps avoid nuisance codes.

• Common symptoms of a faulty CMP: check‑engine light (often P0340/P0341), extended cranking, misfire at idle, poor fuel economy, and VTEC feeling flat.
• Quick tip: If CMP faults persist after replacement, inspect wiring and verify the crank sensor and timing chain condition—these systems work together.

FAQs

Where is the camshaft sensor on a 2009 Honda CR‑V?
It’s mounted on the cylinder head at the timing chain end. Pop off the plastic engine cover and look at the upper end of the engine near the right‑hand side (as you face the car). It’s held with a single small bolt and has a two‑ or three‑pin plug.

Does the ECU need a relearn after replacing the camshaft sensor?
Usually, no. After installation, clear the codes and start the engine. The ECU will use the new signal immediately. If a code returns, double‑check the connector, harness, and timing chain health, and confirm the crank sensor is reading properly.

How often should the camshaft sensor be replaced?
There’s no time or kilometre interval—replace only if it fails. Many last the life of the vehicle. As part of routine servicing, just keep an eye on wiring and oil leaks, and use quality parts if a replacement is needed.