AutoCodes – Toyota – P0352 2002 Toyota Highlander

P0352 2002 Toyota Highlander 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 2002 Toyota Highlander 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 3,910

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 Mar 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0352 2002 Toyota Highlander 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 2002 Toyota Highlander - Ignition Coil 2 Primary/Secondary Circuit - AutoCodes.com — P0352 2002 Toyota Highlander Code - Ignition Coil 2 Primary/Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P0352 2002 Toyota Highlander?

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 2002 Toyota Highlander?

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 2002 Toyota Highlander 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 2002 Toyota Highlander code?

Need more information on how to fix the P0352 2002 Toyota Highlander code? Get Access to Factory Service Manuals

Need Help with the 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 2002 Toyota Highlander Code

1. What does OBDII code P0352 for a 2002 Toyota Highlander mean?

The code P0352 indicates an issue with the ignition coil 2 primary/secondary circuit in the vehicle's ignition system.

2. What are the common symptoms of OBDII code P0352 in a 2002 Toyota Highlander?

Common symptoms include engine misfires, rough idling, decreased fuel efficiency, and difficulty starting the vehicle.

3. What are the possible causes of OBDII code P0352 in a 2002 Toyota Highlander?

Possible causes include a faulty ignition coil, issues with the ignition coil wiring or connections, damaged spark plugs, or a problem with the powertrain control module (PCM).

4. How can I diagnose the issue related to OBDII code P0352 in my 2002 Toyota Highlander?

Diagnosis typically involves using a scan tool to read the code, checking the ignition coil and related components for damage or wear, and testing the wiring and connections for continuity.

5. How can I repair OBDII code P0352 in my 2002 Toyota Highlander?

Repair may involve replacing the faulty ignition coil, repairing or replacing damaged wiring or connections, ensuring proper spark plug performance, and resetting the fault code with a scan tool.

6. Can I continue driving my 2002 Toyota Highlander with OBDII code P0352?

It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the engine or catalytic converter.

7. How much does it typically cost to repair OBDII code P0352 in a 2002 Toyota Highlander?

The cost of repairs can vary depending on the specific issue, but replacing an ignition coil can range from $100 to $300, while additional labor costs may apply.

8. Are there any preventive maintenance tips to avoid OBDII code P0352 in my 2002 Toyota Highlander?

Regularly servicing the ignition system, replacing spark plugs at recommended intervals, and addressing any engine performance issues promptly can help prevent this code from occurring.

9. Will resetting the OBDII code P0352 in my 2002 Toyota Highlander make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the problem resurfaces.

10. Can a DIY enthusiast repair OBDII code P0352 in a 2002 Toyota Highlander?

Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this code themselves, especially if they have experience with automotive electrical systems.