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P0347 2009 Toyota Camry Code - Camshaft Position Sensor 'A' Circuit Low Input Bank 2

Quick Answer

The P0347 diagnostic trouble code (DTC) for a 2009 Toyota Camry indicates that there is a low input signal coming from the Camshaft Position Sensor 'A' circuit on Bank 2. Common causes include Faulty camshaft position sensor: The sensor itself may be malfunctioning, sending a weak or inconsistent signal to the ECM, Wiring issues: Damage to the wiring harness connected to the camshaft position sensor can result in a low input signal, Sensor alignment: Improper installation or misalignment of the camshaft position sensor can lead to inaccurate readings. 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
P0347 2009 Toyota Camry indicates Camshaft Position Sensor 'A' Circuit Low Input Bank 2.
Common causes
Common causes include Faulty camshaft position sensor: The sensor itself may be malfunctioning, sending a weak or inconsistent signal to the ECM, Wiring issues: Damage to the wiring harness connected to the camshaft position sensor can result in a low input signal, Sensor alignment: Improper installation or misalignment of the camshaft position sensor can lead to inaccurate readings.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0347 2009 Toyota Camry Description

The P0347 diagnostic trouble code (DTC) for a 2009 Toyota Camry indicates that there is a low input signal coming from the Camshaft Position Sensor 'A' circuit on Bank 2. This sensor is responsible for monitoring the position of the camshaft in relation to the crankshaft, providing crucial data for the engine control module (ECM) to accurately control fuel injection timing and ignition timing. When the ECM detects a low signal from this sensor, it can lead to various performance issues and potentially cause long-term damage if not addressed promptly.

OBDII Code P0347 2009 Toyota Camry - Camshaft Position Sensor 'A' Circuit Low Input Bank 2
P0347 2009 Toyota Camry Code - Camshaft Position Sensor 'A' Circuit Low Input Bank 2

Common Causes of P0347 2009 Toyota Camry

  1. Faulty camshaft position sensor: The sensor itself may be malfunctioning, sending a weak or inconsistent signal to the ECM.
  2. Wiring issues: Damage to the wiring harness connected to the camshaft position sensor can result in a low input signal.
  3. Sensor alignment: Improper installation or misalignment of the camshaft position sensor can lead to inaccurate readings.
  4. Engine timing issues: Problems with the camshaft timing or mechanical components can affect the sensor's ability to detect the camshaft's position.
  5. ECM malfunction: In rare cases, a faulty engine control module may be responsible for the low input signal from the camshaft position sensor.

Symptoms of P0347 2009 Toyota Camry

  1. Engine misfires: A low input signal from the camshaft position sensor can cause incorrect fuel injection and ignition timing, leading to engine misfires and rough idling.
  2. Poor acceleration: The ECM relies on accurate camshaft position data to adjust fuel delivery and timing for optimal performance. A faulty sensor can result in sluggish acceleration and decreased power.
  3. Stalling: In severe cases, the engine may stall due to incorrect camshaft position data, disrupting the engine's operation.
  4. Check Engine Light: The illumination of the Check Engine Light is a common symptom associated with this code, indicating a fault that needs to be addressed.

How to Fix P0347 2009 Toyota Camry

  1. Diagnose the issue: Use a diagnostic scanner to retrieve the fault code and perform a visual inspection of the camshaft position sensor and its wiring.
  2. Replace the camshaft position sensor: If the sensor is faulty, replace it with a new one following the manufacturer's specifications.
  3. Repair wiring: If the wiring harness is damaged, repair or replace the affected wires to restore proper signal transmission.
  4. Check sensor alignment: Ensure that the camshaft position sensor is correctly aligned and secured in place for accurate readings.
  5. Clear codes and test drive: After the repair is completed, clear the fault code from the ECM memory and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P0347 2009 Toyota Camry

The typical repair costs for addressing a P0347 code on a 2009 Toyota Camry can range from $100 to $300, depending on the extent of the issue and the cost of parts involved. This estimate includes the price of a new camshaft position sensor, potential wiring repairs, and labor charges. However, it's important to note that actual repair costs can vary based on factors such as the location of the repair shop, the specific make and model of the vehicle, and the type of engine. Additionally, diagnosis time and labor rates at auto repair shops can influence the final cost, with hourly rates typically ranging from $80 to $150. It's advisable to obtain quotes from multiple repair facilities to get a more accurate estimate for this repair.

What does this mean?

Tech Notes for P0347 2009 Toyota Camry

Sometimes and in some models, low battery voltage or a weak starter can trigger a Camshaft Position Sensor code.

When is the Code Detected?

The camshaft position sensor signal is sent the Engine Control Module(ECM) is too low

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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 P0347 2009 Toyota Camry Code

1. What does the OBDII code P0347 mean on a 2009 Toyota Camry?

P0347 indicates a "Camshaft Position Sensor 'A' Circuit Low Input" on Bank 2, meaning the engine control module (ECM) has detected a low voltage signal from the camshaft position sensor.

2. What are the common symptoms of code P0347 in a 2009 Toyota Camry?

Symptoms may include difficulty starting the engine, rough idling, reduced fuel efficiency, engine misfires, stalling, or the Check Engine Light being illuminated.

3. What causes the P0347 code to appear in a Toyota Camry?

Potential causes include a faulty camshaft position sensor, damaged wiring or connectors, a short circuit in the sensor circuit, issues with the timing chain or belt, or a malfunctioning ECM.

4. How can I diagnose the P0347 code on my 2009 Toyota Camry?

Use an OBDII scanner to confirm the code, inspect the camshaft position sensor and its wiring for damage, check the timing chain or belt for alignment issues, and test the voltage and signal output of the sensor.

5. Where is the camshaft position sensor 'A' located in a 2009 Toyota Camry?

The camshaft position sensor 'A' for Bank 2 is typically located near the front of the engine, on the cylinder head corresponding to Bank 2 (the side opposite the #1 cylinder).

6. Can I drive my 2009 Toyota Camry with a P0347 code?

While the car may still run, driving with this code can lead to poor performance, potential engine damage, or unsafe driving conditions. It's best to address the issue promptly.

7. How do I fix the P0347 code on a 2009 Toyota Camry?

Repairs may involve replacing the faulty camshaft position sensor, repairing damaged wiring or connectors, fixing timing chain or belt issues, or reprogramming/replacing the ECM if necessary.

8. How much does it cost to fix the P0347 code on a Toyota Camry?

Costs vary but typically range from $100 to $300 for parts and labor to replace the camshaft position sensor, depending on location and labor rates.

9. Can a bad battery cause the P0347 code on my Toyota Camry?

While uncommon, a weak or failing battery can cause electrical issues that might affect the camshaft position sensor signal, so it's worth checking the battery voltage.

10. What happens if I ignore the P0347 code on my 2009 Toyota Camry?

Ignoring the code can result in worsening performance, increased fuel consumption, potential damage to the engine or catalytic converter, and failure to pass emissions testing.

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