Parts for your 2005 Suzuki Swift-Camshaft sensor

2005 Suzuki Swift camshaft sensor: what it does, why it matters, and how to look after it

Technical sources confirm the 2005 Suzuki Swift is fitted with a camshaft position sensor (CMP). The Suzuki Swift Workshop Manual for RS413/RS415/RS416 (M13A/M15A/M16A engines) describes the CMP’s role in fuel injection and ignition timing and lists related DTCs such as P0340/P0341. Industry data platforms like Autodata and Haynes also catalogue the CMP for 2005 Swift variants, including VVT-equipped models. That makes the camshaft sensor fully relevant to servicing and fault-finding on a 2005 Suzuki Swift.

On a 2005 Swift, the camshaft sensor is the quiet achiever that keeps the engine in step. It tells the ECU exactly where the camshaft is, so fuel is injected at the right time and the spark lands when it should. On VVT versions, the ECU also uses this signal to control cam timing for better torque and economy. If the CMP goes on strike, the Swift may crank longer, run rough, drop power, or light up the check engine lamp.

Typical signs that point to a tired cam sensor include hard starting when warm, flat spots under load, misfires at idle, and fault codes like P0340 or P0341. Before rushing to replace it, it’s worth checking the basics: a loose connector, oil wicking into the plug, or a chafed loom near the head can all mimic a failed sensor.

• Location: usually mounted on the cylinder head near the timing chain end, held by a small retaining bolt and sealed with an O-ring.
• Service tip: the sensor itself isn’t a “service item”, but the connector, wiring, and O-ring are. Keep the plug clean and dry, and replace a brittle or swollen O-ring to prevent oil leaks.
• Replacement advice: use an OE-quality unit (from reputable brands) to avoid intermittent faults. Disconnect the battery, remove the retaining bolt, twist the sensor gently to free the O-ring, and seat the new one with a light smear of clean engine oil. Don’t over-tighten the bolt.

After fitting, clear any stored codes and take the Swift for a proper drive cycle so the ECU can relearn. If a code returns straight away, recheck the loom and grounds—faulty wiring is a common culprit. With a healthy cam sensor signal, the Swift starts cleanly, runs smoothly, and sips fuel the way it should on Kiwi and Aussie roads.

Popular questions

Where is the camshaft sensor on a 2005 Suzuki Swift?
It’s mounted on the cylinder head at the timing chain end of the engine. Look under the bonnet on the gearbox side of the head, you’ll spot a small sensor with a single retaining bolt and a two- or three-pin plug.

Can a 2005 Swift’s camshaft sensor be cleaned, or does it need replacing?
The sensor is a solid-state unit, so if it’s internally faulty it needs replacing. That said, cleaning the connector, fixing any oil contamination, and renewing the O-ring can restore a good signal when the issue is just poor contact or a minor leak.

What fault codes point to a camshaft sensor issue?
Common ones are P0340 (camshaft position sensor circuit) and P0341 (camshaft position sensor range/performance). On VVT models, related timing codes can show up if the CMP signal is unreliable.