P0340 NISSAN
P0340 NISSAN - Camshaft Position Sensor Circuit Bank 1
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Possible causes
- Camshaft Position Sensor harness is open or shorted
- Camshaft Position Sensor circuit poor electrical connection
- Faulty Camshaft Position Sensor
- Faulty starter motor
- Starting system circuit
- Dead (Weak) battery
- Camshaft Position Sensor circuit poor electrical connection
- Faulty Camshaft Position Sensor
- Faulty starter motor
- Starting system circuit
- Dead (Weak) battery
Tech notes
There is a factory service bulletin for the following Nissan models:
2003 Nissan Altima
2004 Nissan Altima
2005 Nissan Altima
2004 Nissan Quest
2004 Nissan Maxima
Nissan Factory Service Bulletin OBDII Code P0340
2003 Nissan Altima
2004 Nissan Altima
2005 Nissan Altima
2004 Nissan Quest
2004 Nissan Maxima
Nissan Factory Service Bulletin OBDII Code P0340
When is the code detected?
The camshaft position sensor signal is not detected by the Engine Control Module(ECM) during the first few seconds of engine cranking
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of Power
- Engine Stall
- Lack/Loss of Power
- Engine Stall
P0340 NISSAN Description
The Camshaft Position Sensor is an electronic device used in an engine to record the rate at which the camshaft is spinning. This information is used by the Engine Control Module(ECM) to control ignition and fuel injection. The camshaft position sensor senses the retraction of camshaft (intake) to identify a particular cylinder. The camshaft position sensor senses the piston position. The sensor system consists of a rotating part, typically a disc, as well as a static part, the actual sensor.
When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change.
When the crankshaft position sensor (POS) system becomes inoperative, the camshaft position sensor provides various controls of engine parts instead, utilizing timing of cylinder identification signals.
When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change.
When the crankshaft position sensor (POS) system becomes inoperative, the camshaft position sensor provides various controls of engine parts instead, utilizing timing of cylinder identification signals.
NISSAN Technical Service Bulletins for P0340 code
2003 NISSAN ALTIMA Electrical System Details
2004 NISSAN ALTIMA Electrical System Details
2004 NISSAN MAXIMA Electrical System Details
2004 NISSAN QUEST Electrical System Details
2005 NISSAN ALTIMA Electrical System Details
2002 NISSAN ALTIMA Unknown Or Other Details
2002 NISSAN ALTIMA Unknown Or Other Details
2002 NISSAN SENTRA Unknown Or Other Details
2002 NISSAN SENTRA Unknown Or Other Details
2002 NISSAN ALTIMA Engine And Engine Cooling:engine Details
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