Engine-Codes.com
Engine-Codes – Lexus – P0097 Lexus

P0097 Lexus Code - Intake Air Temperature Sensor 2 Circuit Low Input

Quick Answer

The P0097 diagnostic trouble code (DTC) for Lexus vehicles indicates that there is a low input signal detected from the Intake Air Temperature Sensor 2 circuit. Common causes include Faulty Intake Air Temperature Sensor: The sensor itself may be faulty, sending incorrect signals to the ECM, Wiring Issues: Damaged or corroded wiring connecting the sensor to the ECM can disrupt the signal, Poor Electrical Connection: Loose or poor electrical connections at the sensor or ECM can cause low input signals. 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
P0097 Lexus indicates Intake Air Temperature Sensor 2 Circuit Low Input.
Common causes
Common causes include Faulty Intake Air Temperature Sensor: The sensor itself may be faulty, sending incorrect signals to the ECM, Wiring Issues: Damaged or corroded wiring connecting the sensor to the ECM can disrupt the signal, Poor Electrical Connection: Loose or poor electrical connections at the sensor or ECM can cause low input signals.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0097 Lexus Description

The P0097 diagnostic trouble code (DTC) for Lexus vehicles indicates that there is a low input signal detected from the Intake Air Temperature Sensor 2 circuit. This sensor plays a crucial role in the engine control system by providing data on the temperature of the air entering the engine. The Engine Control Module (ECM) uses this information to adjust the air-fuel mixture for optimal combustion and performance.

OBDII Code P0097 Lexus - Intake Air Temperature Sensor 2 Circuit Low Input
P0097 Lexus Code - Intake Air Temperature Sensor 2 Circuit Low Input

Common Causes of P0097 Lexus

  1. Faulty Intake Air Temperature Sensor: The sensor itself may be faulty, sending incorrect signals to the ECM.
  2. Wiring Issues: Damaged or corroded wiring connecting the sensor to the ECM can disrupt the signal.
  3. Poor Electrical Connection: Loose or poor electrical connections at the sensor or ECM can cause low input signals.
  4. Sensor Placement: Incorrect placement of the sensor can lead to inaccurate temperature readings.
  5. ECM Malfunction: A malfunctioning ECM may not interpret sensor signals correctly, leading to the P0097 code.

Symptoms of P0097 Lexus

  1. Check Engine Light: The most common symptom associated with the P0097 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Poor Performance: The vehicle may experience decreased acceleration, rough idling, or hesitation during acceleration.
  3. Decreased Fuel Efficiency: A noticeable decrease in fuel efficiency or an increase in fuel consumption may be observed.
  4. Emissions Issues: The vehicle may fail emissions tests due to incorrect air-fuel ratios caused by the malfunctioning sensor.

How to Fix P0097 Lexus

  1. Diagnose the Issue: Use an OBD-II scanner to retrieve the specific DTC and pinpoint the Intake Air Temperature Sensor 2 circuit low input.
  2. Inspect Sensor and Wiring: Inspect the sensor for any signs of damage or corrosion and check the wiring for any breaks or loose connections.
  3. Replace Sensor: If the sensor is faulty, replace it with a new, OEM-quality sensor compatible with your Lexus model.
  4. Repair Wiring: Repair or replace any damaged wiring connecting the sensor to the ECM.
  5. Clear Codes and Test Drive: Clear the DTC using the OBD-II scanner, and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0097 Lexus

The cost of repairing the Intake Air Temperature Sensor 2 circuit low input issue can vary depending on the specific Lexus model, labor rates, and the cost of parts. Generally, the cost of a new Intake Air Temperature Sensor can range from $50 to $150, depending on the brand and quality. Labor costs can range from $80 to $150 per hour, and the total repair may take around 1-2 hours to complete. Therefore, the total cost of repairing this issue could be in the range of $150 to $450, including parts and labor. It is advisable to consult with a certified mechanic or Lexus dealership for a more accurate cost estimate based on your vehicle's specific needs.

When is the Code Detected?

The Engine Control Module (ECM) has detected a low voltage condition on the Intake Air Temperature (IAT) circuit.

Need more information about the P0097 Lexus code?

Need more information on how to fix the P0097 Lexus code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0097 Lexus 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 P0097 Lexus Code

No Frequently Asked Questions about P0097 Lexus Code found.

Discuss the causes and fixes for P0097 Lexus OBDII Code

Submit a New Comment

Code P0097 Lexus comments

No comments found for this page.