P0355 2009 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 2009 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.
Code P0355 2009 Toyota Camry Description
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.
What are the Possible Causes of the DTC P0355 2009 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 2009 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 2009 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.
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Frequently Asked Questions about P0355 2009 Toyota Camry Code
1. What does the OBDII code P0355 mean for a 2009 Toyota Camry?
P0355 indicates a malfunction in the ignition coil "E" (coil 5) primary or secondary circuit, which affects the engine's performance.
2. What are the symptoms of code P0355 in a 2009 Toyota Camry?
Common symptoms include engine misfires, rough idling, reduced power, poor fuel economy, and an illuminated check engine light.
3. What causes the P0355 code to appear in a 2009 Toyota Camry?
Causes can include a faulty ignition coil, damaged wiring or connectors in the coil 5 circuit, a defective ECM, or a failed spark plug.
4. Can I drive my 2009 Toyota Camry with a P0355 code?
Driving with this code is not recommended, as it can lead to further engine damage and reduced performance due to misfires.
5. How is P0355 diagnosed?
A mechanic will use a scan tool to confirm the code, inspect ignition coil 5, check wiring and connectors, and perform resistance and continuity tests on the circuit.
6. How do you fix the P0355 code on a 2009 Toyota Camry?
Repairs may involve replacing the faulty ignition coil, repairing damaged wiring or connectors, replacing spark plugs, or reprogramming the ECM.
7. How much does it cost to fix a P0355 code in a 2009 Toyota Camry?
Costs vary, but ignition coil replacement typically ranges from $150 to $300, depending on parts and labor rates.
8. Can a bad spark plug cause the P0355 code?
Yes, a failing spark plug can cause ignition coil problems, leading to the P0355 code.
9. Is it necessary to replace all ignition coils if one fails?
It’s not required, but replacing all coils at once can prevent future issues, especially if they are aging or prone to failure.
10. Will clearing the P0355 code fix the problem?
Clearing the code without addressing the underlying issue will not resolve the problem, and the code will likely return.
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