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P0340 Nissan Code - Camshaft Position Sensor Circuit Bank 1

- Code Popularity: 610,053 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P0340 Nissan?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Camshaft Position Sensor
  • Camshaft Position Sensor harness is open or shorted
  • Camshaft Position Sensor circuit poor electrical connection
  • Faulty starter motor
  • Starting system circuit
  • Dead (Weak) battery
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How to Fix the DTC P0340 Nissan?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

Nissan models with a distributor, the camshaft position sensor are part of the distributor.

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

Camshaft Positioning Sensor Replacement - Nissan Altima





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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0340 Nissan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

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

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of Power
  • Engine Stall

Code 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 causes 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 the timing of cylinder identification signals.

*Sensor design may vary for your model and year

OBDII Code P0340 Nissan - Camshaft Position Sensor Circuit Bank 1  - AutoCodes.com
P0340 Nissan Code - Camshaft Position Sensor Circuit Bank 1

Need More Information on the Code?

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Information for Specific Nissan Models

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Code P0340 Nissan comments

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