AutoCodes – Toyota – P0355 2006 Toyota Camry

P0355 2006 Toyota Camry Code - Ignition Coil 5 Primary/Secondary Circuit

Quick Answer

The DIS is a 1-cylinder ignition system in which each cylinder is ignited by one ignition coil and one spark plug is connected to the end of each secondary wiring. Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 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
P0355 2006 Toyota Camry indicates Ignition Coil 5 Primary/Secondary Circuit.
Common causes
Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 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 5,224
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 P0355 2006 Toyota Camry Description

The DIS is a 1-cylinder ignition system in which each cylinder is ignited by one ignition coil and one spark plug is connected to the end of each secondary wiring. A powerful voltage, generated in the secondary wiring, is applied directly to each spark plug. The sparks of the spark plugs pass from the center electrode to the ground electrodes.
The ECM determines the ignition timing and transmits the ignition (IGT) signals to each cylinder. Using the IGT signal, the ECM turns the power transistor inside the igniter on and off. The power transistor, in turn, switches on and off the current to the primary coil. When the current to the primary coil is cut off, a powerful voltage is generated in the secondary coil. This voltage is applied to the spark plugs, causing them to spark inside the cylinders. As the ECM cuts the current to the primary coil, the igniter sends back an ignition confirmation (IGF) signal to the ECM, for each cylinder ignition.
OBDII Code P0355 2006 Toyota Camry - Ignition Coil 5 Primary/Secondary Circuit - AutoCodes.com
P0355 2006 Toyota Camry Code - Ignition Coil 5 Primary/Secondary Circuit

What are the Possible Causes of the DTC P0355 2006 Toyota Camry?

  • Faulty Ignition Coil 5
  • Ignition Coil 5 harness is open or shorted
  • Ignition Coil 5 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0355 2006 Toyota Camry?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0355 2006 Toyota Camry 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 P0355 2006 Toyota Camry 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 P0355 2006 Toyota Camry Code

1. What does the OBDII code P0355 mean on a 2006 Toyota Camry?

P0355 indicates an issue with the Ignition Coil 5 Primary/Secondary Circuit, meaning the engine control module (ECM) has detected a fault in the ignition coil or its wiring for cylinder 5.

2. What are the symptoms of code P0355 in a 2006 Toyota Camry?

Symptoms may include engine misfires, rough idling, poor acceleration, reduced fuel efficiency, and the check engine light being illuminated.

3. What causes the P0355 code in a 2006 Toyota Camry?

Common causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a defective ECM, or a spark plug issue in cylinder 5.

4. How do I diagnose the P0355 code on a 2006 Toyota Camry?

Start by checking the ignition coil and its connections for cylinder 5. Look for damaged wires, corrosion, or loose connectors. Use a multimeter to test coil resistance and continuity.

5. Can I still drive my 2006 Toyota Camry with the P0355 code?

Driving with this code is not recommended, as it can lead to engine misfires, reduced performance, and potential long-term damage to the catalytic converter.

6. How do I fix the P0355 code in a 2006 Toyota Camry?

Repairs may include replacing the ignition coil for cylinder 5, repairing damaged wiring, cleaning connections, or replacing the spark plug associated with cylinder 5.

7. How much does it cost to fix the P0355 code on a 2006 Toyota Camry?

Replacing an ignition coil typically costs $150 to $300, including parts and labor. Wiring or connector repairs may vary depending on the extent of the damage.

8. Can a bad spark plug cause the P0355 code in a 2006 Toyota Camry?

Yes, a failing spark plug in cylinder 5 can lead to ignition coil issues and trigger the P0355 code.

9. How can I prevent the P0355 code from occurring again?

Perform regular maintenance, including replacing spark plugs and inspecting ignition coils and wiring for wear and damage.

10. Will clearing the P0355 code fix the problem in my 2006 Toyota Camry?

Clearing the code may reset the check engine light temporarily, but the underlying issue must be addressed to prevent the code from returning.

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