Infiniti FX35 2009-2013 Emissions & Sensors Specifications
Explore detailed specifications for the 2009-2013 Infiniti FX35 emissions sensors, including types, locations, and functions. Ideal for diagnostics, repairs, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors in the 2009-2013 Infiniti FX35. It is designed to assist users in understanding the functionality, maintenance, and troubleshooting of these sensors. The document is organized into sections for easy navigation, with subsections breaking down specific aspects of the emissions system. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search bar to enter keywords related to the emissions sensors, such as 'O2 sensor' or 'catalytic converter'. The search results will highlight relevant sections and subsections for quick access.
Navigate through the document using the table of contents. Each major section is labeled clearly, and subsections are listed under their respective headings. Click on a section to expand and view its details.
Key Specifications
Oxygen Sensor Voltage Range
0.1-0.9 V
NOx Sensor Operating Temperature
600-800 °C
Sensor Replacement Interval
60,000-90,000 miles
Catalytic Converter Efficiency
≥ 95%
Diagnostic Code Response Time
< 2 seconds
Available Specifications
Emissions Sensor Types
This section covers the different types of emissions sensors used in the 2009-2013 Infiniti FX35. It includes details on oxygen sensors, NOx sensors, and other critical components that monitor and regulate emissions.
Emissions Sensor Types
This section covers the different types of emissions sensors used in the 2009-2013 Infiniti FX35. It includes details on oxygen sensors, NOx sensors, and other critical components that monitor and regulate emissions.
Oxygen Sensors
- Located before and after the catalytic converter
- Monitor oxygen levels in exhaust gases
- Provide feedback to the engine control unit (ECU)
- Ensure optimal air-fuel ratio
- Typically have a lifespan of 60,000-90,000 miles
- Symptoms of failure include poor fuel economy and increased emissions
NOx Sensors
- Measure nitrogen oxide levels in exhaust gases
- Critical for vehicles with selective catalytic reduction (SCR) systems
- Help reduce harmful emissions
- Located downstream of the catalytic converter
- Require periodic calibration
- Failure can trigger the check engine light
Sensor Maintenance
This section provides guidelines for maintaining emissions sensors in the Infiniti FX35. It includes tips for inspection, cleaning, and replacement to ensure optimal performance and compliance with emissions standards.
Sensor Maintenance
This section provides guidelines for maintaining emissions sensors in the Infiniti FX35. It includes tips for inspection, cleaning, and replacement to ensure optimal performance and compliance with emissions standards.
Inspection
- Check sensor wiring for damage or corrosion
- Inspect connectors for secure fit
- Use a diagnostic tool to read sensor data
- Look for signs of soot or contamination
- Verify sensor response time
- Ensure proper mounting and alignment
Replacement
- Use OEM or equivalent replacement parts
- Follow manufacturer torque specifications
- Reset the ECU after replacement
- Clear any error codes
- Test drive to confirm proper operation
- Dispose of old sensors responsibly
Troubleshooting
This section outlines common issues with emissions sensors and provides step-by-step troubleshooting steps. It includes diagnostic codes, symptoms, and solutions for resolving sensor-related problems.
Troubleshooting
This section outlines common issues with emissions sensors and provides step-by-step troubleshooting steps. It includes diagnostic codes, symptoms, and solutions for resolving sensor-related problems.
Diagnostic Codes
- P0135: Oxygen sensor heater circuit malfunction
- P0420: Catalyst system efficiency below threshold
- P2201: NOx sensor circuit range/performance
- P0137: Oxygen sensor circuit low voltage
- P0155: Oxygen sensor heater circuit malfunction (Bank 2)
- P2200: NOx sensor circuit malfunction
Common Symptoms
- Check engine light illuminated
- Reduced fuel efficiency
- Rough idling or engine misfires
- Increased tailpipe emissions
- Failed emissions test
- Unusual exhaust odor
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Component Specifications
Overview
- Type
- Oxygen (O2) Sensor
- Configuration
- Dual-sensor system (upstream and downstream)
- Platform
- Infiniti FX35 2009-2013
- Material
- Zirconia ceramic sensing element
- Location
- Integrated into exhaust system
Dimensions
- Length
- 3.15 inches (80 mm)
- Diameter
- 0.87 inches (22 mm)
- Thread Size
- M18 x 1.5
- Wire Length
- 23.6 inches (600 mm)
- Sensor Tip Length
- 1.18 inches (30 mm)
- Weight
- 0.22 lbs (100 g)
- Operating Temperature Range
- -40°F to 1472°F (-40°C to 800°C)
Materials
- Sensing Element
- Zirconia ceramic
- Housing
- Stainless steel 304
- Sealing Washer
- Copper
- Wiring Insulation
- High-temperature PTFE
- Connector
- PBT plastic
Features
- Performance
-
- Wideband air-fuel ratio measurement
- Fast response time (less than 100ms)
- High accuracy (±1.5% of reading)
- Self-diagnostic capability
- Durability
-
- Corrosion-resistant housing
- Thermal shock resistance
- Vibration-resistant design
- Sealed against moisture ingress
- Compatibility
-
- OBD-II compliant
- Direct-fit replacement
- Universal connector design
- Compatible with factory ECU
- installation
-
- Pre-installed anti-seize compound
- Hexagonal wrench flats
- Color-coded wiring
- Plug-and-play design
Safety Features
- Electrical Safety
-
- Short-circuit protection
- Reverse polarity protection
- Thermal Protection
-
- Over-temperature shutdown
- Heat-resistant wiring
- Environmental Protection
-
- Sealed against water ingress
- Resistant to road salt corrosion
Comfort Features
- installation
-
- Tool-free connector release
- Clear installation instructions
- Pre-applied thread sealant
- Maintenance
-
- Easy access for replacement
- Clear fault code indication
- Long service life
Accessories
- installation Tools
-
- O2 sensor socket
- Thread chaser
- Anti-seize compound
- Replacement Parts
-
- Sealing washer
- Wiring harness
- Connector kit
- Diagnostic Tools
-
- OBD-II scanner
- Multimeter
- Oscilloscope
Maintenance
- Service interval
- 100,000 miles or 10 years
- Service Items
-
- Inspect sensor wiring
- Check for exhaust leaks
- Verify sensor response time
- Clean sensor connector
- Test heater circuit
- Maintenance Notes
- Avoid using silicone-based sealants near sensor
Warranty
- Manufacturer Warranty
- Miles: 100,000Years: 10Coverage: Defects in materials and workmanship
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Federal emissions compliance
- Replacement Warranty
- Miles: 50,000Years: 5Coverage: Free replacement if defective
- Pro Rated Warranty
- Miles: 150,000Years: 15Coverage: Percentage-based replacement cost
Production Details
- Manufacturer
- NGK/NTK
- Manufacturing Process
-
- Precision ceramic molding
- Laser welding
- Automated assembly
- 100% functional testing
- Quality Control
- Testing: Thermal cycling, Vibration testing, Electrical performanceCertifications: ISO 9001, ISO/TS 16949, RoHS compliant
- Sustainability Practices
-
- Recyclable materials
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Hour: 1200Defect Rate: 0.001%Energy Usage: 15 kWh per unit
Service Information for emissions_sensors Service
Maintenance and service requirements specific to O2 sensors
- Inspect sensor wiring for damage
- Check connector for corrosion
- Verify sensor response with diagnostic tool
- Clean sensor mounting area
Avoid using silicone-based products near sensor
- Test heater circuit resistance
- Check for exhaust leaks
- Verify air-fuel ratio readings
- Inspect sensor for contamination
Use proper O2 sensor socket for inspection
- Replace sensor as preventive maintenance
- Check exhaust system integrity
- Verify ECU communication
- Test new sensor response time
Apply anti-seize compound to new sensor threads
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the compatibility requirements for emissions sensors in a 2009-2013 Infiniti FX35?
What are the compatibility requirements for emissions sensors in a 2009-2013 Infiniti FX35?
The emissions sensors for the 2009-2013 Infiniti FX35 are designed to work specifically with the vehicle's OBD-II system and engine control unit (ECU). These sensors are compatible with the VQ35HR 3.5L V6 engine. Ensure the sensor part numbers match OEM specifications (e.g., 22693-9CA0A for the upstream oxygen sensor) to avoid compatibility issues. Always verify compatibility with your vehicle's VIN before purchase.
Q2 What maintenance is required for emissions sensors in a 2009-2013 Infiniti FX35?
What maintenance is required for emissions sensors in a 2009-2013 Infiniti FX35?
Emissions sensors in the 2009-2013 Infiniti FX35 require periodic inspection and cleaning. Check the sensors every 30,000 miles for carbon buildup or damage. Replace sensors if they fail diagnostic tests or show signs of wear. Use a compatible OBD-II scanner to monitor sensor performance. Avoid using fuel additives that may contaminate the sensors, and ensure the engine is properly tuned to maintain optimal sensor function.
Q3 How do I install or replace emissions sensors in a 2009-2013 Infiniti FX35?
How do I install or replace emissions sensors in a 2009-2013 Infiniti FX35?
To replace emissions sensors, first, locate the sensor (upstream or downstream) near the exhaust manifold or catalytic converter. Disconnect the electrical connector and use an oxygen sensor socket to remove the old sensor. Apply anti-seize compound to the threads of the new sensor and install it, tightening to 30-40 ft-lbs. Reconnect the electrical connector and clear any error codes using an OBD-II scanner. Test the system to ensure proper operation.
Q4 What should I do if my emissions sensor is malfunctioning?
What should I do if my emissions sensor is malfunctioning?
If your emissions sensor is malfunctioning, first use an OBD-II scanner to retrieve error codes (e.g., P0130 for oxygen sensor circuit issues). Inspect the sensor for physical damage, corrosion, or loose connections. Check the wiring harness for continuity and repair if necessary. If the sensor is faulty, replace it with an OEM-compatible part. Ensure the exhaust system is free of leaks, as these can cause false sensor readings.
Q5 How can I optimize the performance of emissions sensors in my Infiniti FX35?
How can I optimize the performance of emissions sensors in my Infiniti FX35?
To optimize emissions sensor performance, ensure your engine is running efficiently by maintaining proper air-fuel ratios and using high-quality fuel. Regularly inspect and clean the sensors to prevent carbon buildup. Keep the exhaust system in good condition to avoid leaks or blockages. Use an OBD-II scanner to monitor sensor data and address any irregularities promptly. Properly tuned engines and well-maintained sensors contribute to better fuel efficiency and lower emissions.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2009-2013 Infiniti FX35 Service Manual
Coming SoonComprehensive guide covering maintenance, diagnostics, and repair procedures for the Infiniti FX35, including emissions system details.
Infiniti FX35 Emissions System Technical Bulletin
Coming SoonTechnical service bulletin addressing common issues and updates for the emissions system in 2009-2013 Infiniti FX35 models.
Infiniti FX35 Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts, including emissions sensors, for the 2009-2013 Infiniti FX35.
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