Acura TSX 2009-2014 Emissions & Sensors Specifications
Acura TSX 2009-2014

Acura TSX 2009-2014 Emissions & Sensors Specifications

Find detailed emissions sensor specifications for the 2009-2014 Acura TSX, including oxygen sensors, air-fuel ratio sensors, and diagnostic codes. Perfect for technicians and DIYers.

Updated

Emissions Sensors Overview Specifications

This document provides detailed specifications and technical information for the emissions sensors of the 2009-2014 Acura TSX. It includes key components, operational parameters, and maintenance guidelines. Use this guide to understand the emissions control system, troubleshoot issues, and ensure compliance with emissions standards. Navigate through the sections to find specific information or use the search functionality to locate details quickly.

How to Use

To search for specific information, use the search bar at the top of the document. Enter keywords such as 'oxygen sensor', 'air-fuel ratio', or 'troubleshooting' to find relevant sections.

Navigate through the document by selecting sections from the table of contents. Each section provides detailed information on emissions sensor components, functions, and maintenance. Use the subsections to drill down into specific topics.

Key Specifications

Oxygen Sensor Voltage Range

0.1-0.9V

Air-Fuel Ratio Sensor Frequency

0-5V

Number of Oxygen Sensors

2 (upstream and downstream)

Air-Fuel Ratio Sensor Type

Planar Type

Emissions Standard Compliance

EPA and CARB

Available Specifications

Emissions Sensors Overview

This section provides an introduction to the emissions sensors used in the 2009-2014 Acura TSX. It includes an overview of the system components and their roles in maintaining emissions compliance. Understand the basic functionality and importance of each sensor in the emissions control system.

System Components
  • Includes Oxygen Sensors (O2S), Air-Fuel Ratio Sensor (AFRS), and Exhaust Gas Recirculation (EGR) Sensor
  • Oxygen Sensors monitor exhaust gas oxygen levels
  • Air-Fuel Ratio Sensor measures the ratio of air to fuel in the exhaust
  • EGR Sensor monitors the flow of recirculated exhaust gases
  • All sensors communicate with the Engine Control Module (ECM)
Importance of Emissions Sensors
  • Ensure vehicle compliance with emissions regulations
  • Optimize fuel efficiency and engine performance
  • Reduce harmful emissions such as CO, HC, and NOx
  • Enable the ECM to adjust engine operation for optimal combustion
  • Prevent damage to catalytic converter and other emissions components

Sensor Types and Functions

This section details the specific types of emissions sensors used in the 2009-2014 Acura TSX. It explains the functional differences between each sensor and their roles in the emissions control system. Understand how each sensor contributes to overall vehicle performance and emissions reduction.

Oxygen Sensor (O2S)
  • Located in the exhaust system before and after the catalytic converter
  • Monitors oxygen levels in the exhaust gas
  • Provides feedback to the ECM for fuel injection adjustments
  • Typical voltage range: 0.1-0.9V
  • Requires periodic cleaning or replacement to maintain accuracy
Air-Fuel Ratio Sensor (AFRS)
  • Installed upstream of the catalytic converter
  • Measures the air-fuel mixture in the exhaust gas
  • Operates on a wider range than the O2 sensor (0-5V)
  • Provides precise feedback for fuel injection control
  • Requires protection from contamination and extreme temperatures

Maintenance and Troubleshooting

This section provides guidelines for maintaining and troubleshooting the emissions sensors on the 2009-2014 Acura TSX. Learn how to identify common issues, perform routine maintenance, and replace faulty sensors. Keep your vehicle running efficiently and ensure emissions compliance.

Maintenance Tips
  • Inspect sensors for contamination or damage during routine maintenance
  • Clean sensors only if recommended by the manufacturer
  • Replace sensors at intervals specified in the owner's manual
  • Use genuine Acura parts for replacements
  • Ensure proper installation to avoid damage or faulty readings
Common Issues and Troubleshooting
  • Faulty sensor readings can trigger the Check Engine Light
  • Look for DTCs (Diagnostic Trouble Codes) such as P0130-P0199
  • Test sensor voltage and resistance using a multimeter
  • Check for loose or corroded connections
  • Replace sensors if they fail diagnostic testing

Compliance and Regulations

This section outlines the emissions standards and regulations that the 2009-2014 Acura TSX is designed to meet. Understand the role of emissions sensors in ensuring compliance and how they contribute to reducing environmental impact. Familiarize yourself with local emissions testing requirements.

Emissions Standards
  • Meets U.S. EPA and CARB emissions standards
  • Designed to reduce greenhouse gas emissions
  • Compliant with OBD-II (On-Board Diagnostics II) standards
  • Includes features for improved fuel economy and lower emissions
  • Passes state and federal emissions testing requirements

Technical Specifications

This section provides detailed technical specifications for the emissions sensors used in the 2009-2014 Acura TSX. Refer to these specifications for installation, troubleshooting, and replacement of emissions sensors.

Oxygen Sensor Specifications
  • Type: Heated Exhaust Gas Oxygen Sensor (HEGO)
  • Voltage Range: 0.1-0.9V
  • Resistance: 5-10 ohms at 20°C
  • Response Time: <100ms
  • Operating Temperature: -40°C to 900°C
Air-Fuel Ratio Sensor Specifications
  • Type: Planar Air-Fuel Ratio Sensor
  • Voltage Range: 0-5V
  • Resistance: 2.5-3.5 ohms at 20°C
  • Response Time: <50ms
  • Operating Temperature: -20°C to 800°C

Component Specifications

Overview

Type
Planar Oxygen Sensor
Configuration
Dual (Pre and Post Catalyst)
Platform
J Series Engine (J35Z6)
Material
Ceramic with Platinum Tips
Location
Exhaust System
Manufacturer
Denso

Dimensions

Length
3.5 in (88.9 mm)
Width
1.2 in (30.5 mm)
Height
2.0 in (50.8 mm)
inlet Diameter
0.375 in (9.53 mm)
Outlet Diameter
0.375 in (9.53 mm)
Operating Temperature
500°F (260°C)
Response Time
100 ms

Materials

Sensor Element
Ceramic with Platinum Tips
Housing
Stainless Steel
Element Protective Layer
Alumina (Aluminum Oxide)
Connector
High-Temperature Plastic
Wiring
Heat-Resistant Copper

Features

Sensor Types
  • Oxygen Sensor
  • Temperature Sensor
  • Airflow Sensor
Monitoring Capabilities
  • Oxygen Level
  • Engine Temperature
  • Airflow Rate
Communication Features
  • Digital Signal Output
  • Real-Time Data Transmission
  • Fault Code Generation
Durability Features
  • High-Temperature Resistance
  • Vibration Resistance
  • Corrosion Protection
Accuracy Features
  • Quick Response Time
  • Low Drift Over Time
  • High Precision Measurements
installation Features
  • Direct Fit Design
  • Plug-and-Play Compatibility
  • Includes Mounting Hardware

Safety Features

Overvoltage Protection
Yes
Temperature Shutdown
Yes
Fault Code Generation
  • Code P0130: O2 Sensor Circuit Malfunction
  • Code P0131: O2 Sensor Circuit Low Voltage
  • Code P0132: O2 Sensor Circuit High Voltage

Comfort Features

Accurate Readings
Yes
Real Time Monitoring
Yes
Smooth Engine Operation
Yes
Low Emissions
Yes
Efficient Fuel Use
Yes

Accessories

Mounting Hardware
  • Sensor Bracket
  • Mounting Bolts
  • Washers
Wiring Harness
  • Oxygen Sensor Connector
  • Wiring Loom
  • Heat Shield
Additional Accessories
  • Oxygen Sensor Socket
  • Wiring Diagram
  • Installation Instructions

Maintenance

Service interval
Every 30,000 miles or 2 years
Service Items
  • Inspect Oxygen Sensor Connectors
  • Clean or Replace Airflow Sensor
  • Check Sensor Wiring for Damage
  • Replace Oxygen Sensor (if necessary)
  • Check for Fault Codes
Maintenance Notes
Replace oxygen sensor every 100,000 miles or as needed based on performance.

Warranty

Emissions Warranty
Miles: 80,000
Years: 8
Coverage: Parts and Labor
Parts Warranty
Miles: 50,000
Years: 4
Coverage: Parts Only
Labor Warranty
Miles: 50,000
Years: 4
Coverage: Labor Only
Accessories Warranty
Miles: 24,000
Years: 2
Coverage: Accessories Only

Production Details

Manufacturer info
Name: Denso Corporation
Location: Japan
Manufacturing Process
  • Ceramic Element Production
  • Platinum Tip Application
  • Housing Assembly
  • Electrical Connector Installation
  • Quality Control Testing
Quality Control
inspection: Visual and Electronic Testing
Certifications: ISO 9001, TS 16949
Testing Procedures: Leak Testing, Voltage Testing, Response Time Testing
Sustainability Practices
Recyclable Materials, Energy-Efficient Manufacturing
Production Metrics
Daily Production: 5,000 units
Failure Rate: <1%
Warranty Claim Rate: <2%

Service Information for emissions_sensors Service

Maintenance and service requirements specific to this component

30,000
24
  • Inspect Oxygen Sensor Connectors
  • Check Airflow Sensor for Cleaning
  • Examine Sensor Wiring for Damage
  • Scan for Fault Codes
  • Test Sensor Response

Perform visual inspection and basic diagnostic checks.

60,000
48
  • Replace Oxygen Sensor
  • Clean Airflow Sensor
  • Inspect Exhaust System for Leaks
  • Check Sensor Wiring Connections
  • Test Sensor Performance

Recommended to replace oxygen sensor at this interval for optimal performance.

100,000
96
  • Replace All Emissions Sensors
  • Inspect and Clean Mass Airflow Sensor
  • Check Catalytic Converter Efficiency
  • Perform Full System Diagnostic Test
  • Ensure All Connections are Secure

Major service interval. Ensure all emissions components are functioning properly.

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What are the technical specifications of the emissions sensors for the 2009-2014 Acura TSX?

The emissions sensors for the 2009-2014 Acura TSX include oxygen sensors, air-fuel ratio sensors, and exhaust gas temperature sensors. These sensors are compatible with the 2.4L inline-4 engine and are designed to meet emissions standards. The oxygen sensors are heated to improve efficiency and are located in the exhaust system. They operate within a temperature range of -40°F to 250°F and are designed to last up to 100,000 miles under normal conditions.

Q2

What maintenance is required for the emissions sensors?

Regular maintenance for emissions sensors includes checking sensor connectors for corrosion, ensuring proper wiring connections, and avoiding exposure to contaminants like silicone-based sealants. Oxygen sensors should be replaced every 60,000 to 90,000 miles, or as indicated by the vehicle's maintenance light. Use only OEM or high-quality aftermarket sensors to ensure compatibility and performance.

Q3

How do I install or replace an emissions sensor?

To replace an emissions sensor, locate the sensor in the exhaust system, disconnect the electrical connector, and remove the mounting bolt. Install the new sensor by tightening the bolt to the specified torque (typically 20-30 ft-lbs). Reconnect the electrical connector and clear any trouble codes using a scan tool. Ensure proper alignment and seating to avoid sensor damage or inaccurate readings.

Q4

How do I troubleshoot a faulty emissions sensor?

If the Check Engine Light illuminates, use an OBD-II scan tool to retrieve trouble codes. Common codes include P0130-P0199 for oxygen sensors and P0036-P0055 for heater circuits. Check for loose connections, corrosion, or damage to the sensor or wiring. Test oxygen sensor voltage (0.1V-0.9V) and ensure proper exhaust system functionality. Replace the sensor if testing confirms failure.

Q5

How can I optimize the performance of my emissions sensors?

Optimize emissions sensor performance by ensuring proper engine tuning, avoiding aggressive driving, and maintaining the recommended maintenance schedule. Use high-quality fuel to prevent contaminants from affecting sensor accuracy. Regularly inspect and clean the mass airflow sensor and ensure the exhaust system is free from leaks or blockages. These steps will help maintain accurate sensor readings and overall engine efficiency.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2009-2014 Acura TSX Service Manual

Coming Soon

Comprehensive service manual covering emissions system diagnostics, maintenance, and repair procedures.

Technical Service Bulletin - Emissions Sensors Update

Coming Soon

Update on emissions sensor specifications and diagnostic procedures for improved accuracy and performance.

Acura TSX Emissions System Parts Catalog

Coming Soon

Detailed catalog of emissions-related parts, including sensors, connectors, and wiring harnesses.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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