AutoCodes – Toyota – P0352 2001 Toyota Highlander

P0352 2001 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 2001 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 2,616

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 2001 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 2001 Toyota Highlander - Ignition Coil 2 Primary/Secondary Circuit - AutoCodes.com — P0352 2001 Toyota Highlander Code - Ignition Coil 2 Primary/Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P0352 2001 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 2001 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 2001 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 2001 Toyota Highlander code?

Need more information on how to fix the P0352 2001 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 2001 Toyota Highlander Code

1. What are the common symptoms of OBDII code P0352 on a 2001 Toyota Highlander?

- Common symptoms include engine misfires, rough idling, poor acceleration, and potentially a noticeable decrease in fuel efficiency.

2. What does the OBDII code P0352 for a 2001 Toyota Highlander indicate?

- OBDII code P0352 specifically refers to an issue with the Ignition Coil 2 Primary/Secondary Circuit.

3. What are the possible causes of OBDII code P0352 on a 2001 Toyota Highlander?

- Possible causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or issues with the engine control module (ECM).

4. How can I diagnose the source of OBDII code P0352 on my 2001 Toyota Highlander?

- You can start by inspecting the ignition coil, checking the wiring and connectors for any damage, and using a multimeter to test the resistance and continuity of the circuit components.

5. Can a bad spark plug cause OBDII code P0352 on a 2001 Toyota Highlander?

- Yes, a faulty spark plug can potentially cause misfires that trigger the ignition coil circuit code, including P0352. It's recommended to inspect and replace spark plugs if needed.

6. Is it safe to continue driving my 2001 Toyota Highlander with OBDII code P0352?

- It is not recommended to drive your vehicle with OBDII code P0352, as it can lead to more severe engine issues and potential damage over time. It's best to address the problem promptly.

7. How difficult is it to replace the ignition coil for code P0352 on a 2001 Toyota Highlander?

- Replacing the ignition coil on a 2001 Toyota Highlander is a relatively straightforward task that can be done with basic tools. However, if you're not confident in your abilities, it's best to seek professional help.

8. Can resetting the OBDII code P0352 on my 2001 Toyota Highlander make the problem go away?

- Resetting the code may temporarily turn off the check engine light, but it won't fix the underlying issue causing OBDII code P0352. It's crucial to diagnose and repair the problem to prevent further issues.

9. Are there any preventative maintenance tips to avoid OBDII code P0352 on a 2001 Toyota Highlander?

- Regularly checking and replacing spark plugs, inspecting ignition coils, and maintaining proper engine tune-ups can help prevent issues that may trigger OBDII code P0352.

10. Can a DIY enthusiast with limited experience tackle the repair for OBDII code P0352 on a 2001 Toyota Highlander?

- While some DIY enthusiasts may be able to address the issue themselves, it's essential to have a basic understanding of automotive systems and access to the necessary tools. If unsure, it's best to consult a professional mechanic.