Camshaft Position Sensor JK-S015
keyword：
Changsha Jianke
OE No.:
23731AL61A
Car series：
INFINITI FX35 2003-2008 G35 2003-2007 I35 2002-2004 M35 2006-2008 QX56 2004-2010 NISSAN 350Z 2003-2006 ALTIMA 2002-2006 ARMADA 2005-2015 FRONTIER 2005-2016 MAXIMA 2002-2008 MURANO 2003-2007 NV1500 2012-2015 NV2500 2012-2015 NV3500 2012-2016 PATHFINDER 20
Camshaft Position Sensor JK-S015
Camshaft Position Sensor JK-S015
OE No.:
NISSAN
23731AL61A
237317Y000
237317Y001
23731AL610
23731AL615
23731AL616
23731AL61A
SMP
PC461
Car application:
INFINITI
FX35 2003-2008
G35 2003-2007
I35 2002-2004
M35 2006-2008
QX56 2004-2010
NISSAN
350Z 2003-2006
ALTIMA 2002-2006
ARMADA 2005-2015
FRONTIER 2005-2016
MAXIMA 2002-2008
MURANO 2003-2007
NV1500 2012-2015
NV2500 2012-2015
NV3500 2012-2016
PATHFINDER 2004-2012
QUEST 2004-2009
TITAN 2004-2015
XTERRA 2005-2015
Camshaft Position Sensor Core Function:
The Camshaft Position Sensor (CMP sensor) is a critical electronic component in modern internal combustion engines. Its primary function is to monitor the rotational position and speed of the camshaft(s) and relay this real-time data to the Engine Control Module (ECM) or Powertrain Control Module (PCM).
2. Primary Purpose & Role in Engine Management:
The ECM uses the signal from the CMP sensor, in conjunction with data from the Crankshaft Position Sensor (CKP sensor), to achieve precise engine management. Specifically, it enables:
Fuel Injection Timing: Determines which cylinder is in its intake stroke to trigger sequential fuel injection for optimal efficiency and power.
Ignition Timing (Spark Timing): Precisely controls when the spark plug fires, especially in engines with Direct Ignition Systems (one coil per plug).
Variable Valve Timing (VVT) Control: Acts as a feedback sensor for VVT systems, allowing the ECM to adjust camshaft timing for performance, economy, and emissions.
Cylinder Identification: Helps the ECM identify the position of cylinder #1 for correct firing order sequencing.
In essence, it tells the engine computer "where" the camshaft is, so the computer knows "when" to inject fuel and, in gasoline engines, "when" to fire the spark for each specific cylinder.
3. Common Types & Operating Principles:
There are three main types of camshaft position sensors, categorized by their technology:
Magnetic (Variable Reluctance) Type: Uses a permanent magnet and a coil. As a reluctor wheel (notched ring) on the camshaft passes by, it changes the magnetic field, inducing an analog AC voltage signal. This type is passive (does not require an external power source) and is known for its durability.
Hall-Effect Type: Uses a Hall-effect semiconductor chip. When a shutter ring or vane on the camshaft interrupts a magnetic field, the sensor outputs a precise digital square wave signal (on/off). This type requires an external power supply and provides a more accurate signal, especially at low speeds.
Magneto-Resistive Type: A more advanced variation that can detect both direction and very fine rotational changes, used in some newer VVT systems.
4. Typical Location:
The sensor is mounted directly adjacent to a camshaft, often at the cylinder head's front or rear, near the timing cover. It is positioned with a small air gap (clearance) separating it from a reluctor wheel, tone ring, or a single notch/magnet on the camshaft itself.
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Changsha Jianke Electronics Co., Ltd
Phone: 86-731-88552129 (Personnel)
Phone: 86-731-88081666 (Sales)
Email: sales@jkaec.com
Address: No. 10, Aviation Road, Wangcheng Economic and Technological Development Zone, Changsha City
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