AutoCodes – Toyota – P0352 2005 Toyota Prius

P0352 2005 Toyota Prius Code - Ignition Coil 2 Primary/Secondary Circuit

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 2, Ignition Coil 2 harness is open or shorted, Ignition Coil 2 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
P0352 2005 Toyota Prius indicates Ignition Coil 2 Primary/Secondary Circuit.
Common causes
Common causes include Faulty Ignition Coil 2, Ignition Coil 2 harness is open or shorted, Ignition Coil 2 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 3,178
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0352 2005 Toyota Prius Description

The ignition system on the vehicle uses individual ignition coils for each cylinder. The Engine Control Module (ECM) controls each ignition coil operation. The ECM sends a ON/OFF signal to energize the ignition coil to create a spark at the spark plug when a spark is required at the cylinder.
OBDII Code P0352 2005 Toyota Prius - Ignition Coil 2 Primary/Secondary Circuit - AutoCodes.com
P0352 2005 Toyota Prius Code - Ignition Coil 2 Primary/Secondary Circuit

What are the Possible Causes of the DTC P0352 2005 Toyota Prius?

  • Faulty Ignition Coil 2
  • Ignition Coil 2 harness is open or shorted
  • Ignition Coil 2 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0352 2005 Toyota Prius?

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 P0352 2005 Toyota Prius 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.

Need more information about the P0352 2005 Toyota Prius code?

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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 P0352 2005 Toyota Prius Code

1. What does the OBDII code P0352 indicate on a 2005 Toyota Prius?

This code indicates that there is a fault in the ignition coil B, specifically in the primary or secondary circuit, which may affect engine performance.

2. What are the common symptoms of code P0352 in a 2005 Toyota Prius?

Symptoms include engine misfires, rough idling, reduced fuel efficiency, an illuminated check engine light, and potentially the engine failing to start.

3. What can cause the OBDII code P0352 to appear on my 2005 Toyota Prius?

Common causes include faulty ignition coils, damaged coil wiring, poor coil connections, or issues with the engine control module (ECM).

4. How do I fix the ignition coil issue associated with code P0352 on a 2005 Toyota Prius?

To fix this, inspect and if necessary replace the faulty ignition coil, check and repair any damaged wiring or connectors associated with the coil, and ensure all connections are secure.

5. Is it safe to drive my 2005 Toyota Prius with the code P0352?

While you might be able to drive a short distance, it's not advisable as it can lead to further engine damage and compromised vehicle performance.

6. What tools do I need to diagnose and repair a P0352 code in a 2005 Toyota Priis?

You will need an OBDII scanner to confirm the code, a multimeter for electrical testing, and basic hand tools to access and replace the ignition coil.

7. Can a P0352 code in a 2005 Toyota Prius trigger other diagnostic trouble codes?

Yes, issues with the ignition coil can also trigger misfire codes for specific cylinders or general engine misfire codes.

8. How do I check the ignition coil if my 2005 Toyota Prius shows a P0352 code?

Use a multimeter to measure the resistance of the coil. If the readings are out of specifications provided by Toyota, replace the coil. Also, visually inspect for signs of damage or corrosion and ensure connections are tight.

9. What are the risks of ignoring a P0352 code on a 2005 Toyota Prius?

Ignoring this code can lead to engine damage, increased emissions, poorer fuel economy, and potentially the vehicle not running.

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