AutoCodes – Mazda – P0352 Mazda

P0352 Mazda Code - Ignition Coil Primary Circuit Fault Cylinder 2

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 Mazda indicates Ignition Coil Primary Circuit Fault Cylinder 2.
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 13,642

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0352 Mazda 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 Mazda - Ignition Coil Primary Circuit Fault Cylinder 2 - AutoCodes.com — P0352 Mazda Code - Ignition Coil Primary Circuit Fault Cylinder 2

What does this mean?

What are the Possible Causes of the DTC P0352 Mazda?

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 Mazda?

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 P0352 Mazda 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 Mazda code?

Need more information on how to fix the P0352 Mazda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0352 Mazda code diagnosed by a professional: Find a repair shop in your area

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 Mazda Code

1. What does the OBDII code P0352 mean on a Mazda?

P0352 indicates an issue with the ignition coil primary circuit in cylinder 2. It means the engine control module (ECM) has detected a malfunction in the coil's electrical circuit.

2. What are the common symptoms of P0352 on a Mazda?

Symptoms may include engine misfires, rough idling, reduced power, poor fuel economy, and the Check Engine Light illuminating.

3. What causes the P0352 code in a Mazda?

Common causes include a faulty ignition coil, damaged wiring or connectors in the coil circuit, a malfunctioning ECM, or issues with the spark plug in cylinder 2.

4. Can a bad spark plug cause the P0352 code?

Yes, a worn or faulty spark plug in cylinder 2 can cause the ignition coil to malfunction, triggering the P0352 code.

5. How do you diagnose the P0352 code on a Mazda?

Diagnosis involves checking the ignition coil in cylinder 2, inspecting wiring and connectors for damage, testing the spark plug, and using a multimeter to measure circuit continuity and voltage.

6. Can you drive a Mazda with the P0352 code?

Driving with the P0352 code is not recommended, as it can lead to engine misfires, reduced performance, and potential damage to the catalytic converter if unaddressed.

7. How do you fix the P0352 code on a Mazda?

Repairs may include replacing the faulty ignition coil, fixing damaged wiring or connectors, replacing the spark plug in cylinder 2, or reprogramming or replacing the ECM if necessary.

8. How much does it cost to repair the P0352 code on a Mazda?

Repair costs vary but typically range from $100 to $300, depending on whether the ignition coil, wiring, or spark plug needs replacement.

9. Can a bad ECM cause the P0352 code on a Mazda?

Yes, though less common, a malfunctioning ECM can fail to properly control the ignition coil, triggering the P0352 code.

10. How can you prevent the P0352 code from recurring on a Mazda?

Routine maintenance, such as regularly inspecting ignition components, replacing worn spark plugs, and ensuring wiring is secure and undamaged, can help prevent the P0352 code.