P0328 Toyota Code - Knock Sensor 1 Circuit High Input

Quick Answer

The P0328 code for Toyota vehicles indicates that there is a high input signal detected in the circuit for Knock Sensor 1. Common causes include Faulty knock sensor, Wiring issues or shorts in the knock sensor circuit, Poor electrical connections. 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

P0328 Toyota indicates Knock Sensor 1 Circuit High Input.

Common causes

Common causes include Faulty knock sensor, Wiring issues or shorts in the knock sensor circuit, Poor electrical connections.

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.

• Description
• Common Causes
• Symptoms
• How To Fix
• Cost to Fix
• Tech Notes
• FAQs
• Comments
• Add Comment

Common Causes of P0328 Toyota

Symptoms of P0328 Toyota

How to Fix P0328 Toyota

Cost to Fix P0328 Toyota

Tech Notes for P0328 Toyota

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Information for Specific Toyota Models

• P0328 2006 Toyota Camry — Knock Sensor 1 Circuit High Input Bank 1
• P0328 2007 Toyota Camry — Knock Sensor 1 Circuit High Input Bank 1
• P0328 2008 Toyota Camry — Knock Sensor 1 Circuit High Input Bank 1
• P0328 2009 Toyota Camry — Knock Sensor 1 Circuit High Input Bank 1
• P0328 2010 Toyota Camry — Knock Sensor 1 Circuit High Input Bank 1
• P0328 2011 Toyota Camry — Knock Sensor 1 Circuit High Input Bank 1
• P0328 2001 Toyota Highlander — Knock Sensor 1 Circuit High Input
• P0328 2002 Toyota Highlander — Knock Sensor 1 Circuit High Input
• P0328 2003 Toyota Highlander — Knock Sensor 1 Circuit High Input
• P0328 2004 Toyota Highlander — Knock Sensor 1 Circuit High Input
• P0328 2005 Toyota Highlander — Knock Sensor 1 Circuit High Input
• P0328 2006 Toyota Highlander — Knock Sensor 1 Circuit High Input
• P0328 2007 Toyota Highlander — Knock Sensor 1 Circuit High Input
• P0328 2004 Toyota Prius — Knock Sensor 1 Circuit High Input
• P0328 2005 Toyota Prius — Knock Sensor 1 Circuit High Input
• P0328 2006 Toyota Prius — Knock Sensor 1 Circuit High Input
• P0328 2007 Toyota Prius — Knock Sensor 1 Circuit High Input
• P0328 2008 Toyota Prius — Knock Sensor 1 Circuit High Input
• P0328 2009 Toyota Prius — Knock Sensor 1 Circuit High Input
• P0328 2013 Toyota RAV4 — Knock Sensor 1 Circuit High Input
• P0328 2014 Toyota RAV4 — Knock Sensor 1 Circuit High Input
• P0328 2015 Toyota RAV4 — Knock Sensor 1 Circuit High Input
• P0328 2016 Toyota RAV4 — Knock Sensor 1 Circuit High Input
• P0328 2017 Toyota RAV4 — Knock Sensor 1 Circuit High Input
• P0328 2018 Toyota RAV4 — Knock Sensor 1 Circuit High Input

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 P0328 Toyota Code

1. What are the common symptoms of OBDII code P0328 in a Toyota related to the Knock Sensor 1 Circuit High Input?

- Common symptoms include poor engine performance, reduced fuel efficiency, and potential engine knocking or pinging noises.

2. What are the typical causes of the OBDII code P0328 in a Toyota?

- The primary causes are a faulty knock sensor, damaged wiring or connectors in the knock sensor circuit, or issues with the engine control module (ECM).

3. How can I diagnose the OBDII code P0328 in my Toyota related to the Knock Sensor 1 Circuit High Input?

- Diagnosing the code involves inspecting the knock sensor and its wiring for damage, testing the sensor's resistance, and checking for any loose connections or corroded terminals.

4. Can I drive my Toyota with the OBDII code P0328 present?

- It is not recommended to drive with the code present as it can lead to engine damage over time. It's best to address the issue promptly.

5. Is it possible to reset the OBDII code P0328 in my Toyota without repairing the issue?

- While you can clear the code with a diagnostic tool, it will likely reappear if the underlying problem with the knock sensor circuit is not fixed.

6. What are some repair tips for fixing the OBDII code P0328 in a Toyota?

- Repair tips include replacing the knock sensor if faulty, repairing damaged wiring or connectors, and ensuring all connections are secure.

7. How much does it typically cost to repair the OBDII code P0328 in a Toyota?

- The cost can vary depending on the exact cause of the issue and whether you choose to DIY or seek professional help. Costs may include parts and labor.

8. Can a DIY enthusiast fix the OBDII code P0328 in a Toyota at home?

- Depending on your skill level and access to tools, a DIY enthusiast may be able to fix the issue by replacing the knock sensor or repairing wiring themselves.

9. Will ignoring the OBDII code P0328 in my Toyota cause further damage?

- Ignoring the code can lead to decreased engine performance, reduced fuel efficiency, and potential long-term engine damage, so it's best to address it promptly.

10. How long does it typically take to repair the OBDII code P0328 in a Toyota?

- The repair time can vary based on the exact cause of the issue and whether you're doing the repair yourself or taking it to a professional, but it can usually be resolved within a few hours to a day.