AutoCodesNissan – P0345 2003 Nissan Altima Sedan

P0345 2003 Nissan Altima Sedan Code - Camshaft Position Sensor Circuit Bank 2

Quick Answer

The Camshaft Position Sensor is an electronic device used in an engine to record the rate at which the camshaft is spinning. Common causes include Faulty Camshaft Position Sensor, Camshaft Position Sensor harness is open or shorted, Camshaft Position Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0345 2003 Nissan Altima Sedan indicates Camshaft Position Sensor Circuit Bank 2.
Common causes
Common causes include Faulty Camshaft Position Sensor, Camshaft Position Sensor harness is open or shorted, Camshaft Position Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 6,931
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 27, 2020
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Code P0345 2003 Nissan Altima Sedan 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.
OBDII Code P0345 2003 Nissan Altima Sedan - Camshaft Position Sensor Circuit Bank 2 - AutoCodes.com
P0345 2003 Nissan Altima Sedan Code - Camshaft Position Sensor Circuit Bank 2

What are the Possible Causes of the DTC P0345 2003 Nissan Altima Sedan?

  • 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

How to Fix the DTC P0345 2003 Nissan Altima Sedan?

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

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0345 2003 Nissan Altima Sedan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0345 2003 Nissan Altima Sedan Code

1. What does the OBDII code P0345 mean on a 2003 Nissan Altima?

P0345 indicates a malfunction in the Camshaft Position Sensor Circuit for Bank 2, meaning the engine control module (ECM) cannot properly interpret the position of the camshaft on that side of the engine.

2. What are the common symptoms of code P0345 in a 2003 Nissan Altima?

Symptoms may include difficulty starting the engine, poor acceleration, engine misfires, rough idling, reduced fuel efficiency, and the check engine light turning on.

3. What are the possible causes of a P0345 code in a 2003 Nissan Altima?

Possible causes include a faulty camshaft position sensor, damaged wiring or connectors, a failed reluctor ring on the camshaft, or issues with the ECM.

4. Which bank is Bank 2 on a 2003 Nissan Altima?

Bank 2 refers to the side of the engine opposite Bank 1, which contains cylinder 1. For the Altima's V6 engine, Bank 2 is typically on the driver's side.

5. How can I diagnose the P0345 code on my 2003 Nissan Altima?

Start by inspecting the camshaft position sensor and its wiring for damage. Use a multimeter to check for proper voltage and continuity, and scan the ECM for related codes to rule out other issues.

6. Can I drive my 2003 Nissan Altima with a P0345 code?

While the car may still run, driving with this code is not recommended as it can lead to poor engine performance, increased fuel consumption, and potential damage to other components.

7. How do I fix the P0345 code on a 2003 Nissan Altima?

Repairs may include replacing the camshaft position sensor, repairing damaged wiring or connectors, cleaning or replacing the reluctor ring, or reprogramming or replacing the ECM if necessary.

8. How much does it cost to fix a P0345 code on a 2003 Nissan Altima?

Replacing the camshaft position sensor typically costs $100–$250, including parts and labor. Additional repairs like wiring or ECM replacement can increase the cost.

9. Can a bad crankshaft position sensor cause a P0345 code?

Yes, a faulty crankshaft position sensor can sometimes contribute to a P0345 code, as the ECM relies on input from both the crankshaft and camshaft sensors to determine engine timing.

10. Will clearing the P0345 code fix the issue in my 2003 Nissan Altima?

Clearing the code will temporarily turn off the check engine light, but the issue will likely return unless the underlying problem is resolved.

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