Infiniti G35 2003-2006 Emissions & Sensors Specifications
Explore detailed specifications for the emissions sensors in the 2003-2006 Infiniti G35. Learn about sensor types, locations, functions, and compatibility for diagnostics, repairs, and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors used in the 2003-2006 Infiniti G35. It is designed to assist technicians, enthusiasts, and owners in understanding the functionality, maintenance, and troubleshooting of these sensors. Use the search and navigation instructions to quickly locate relevant information.
How to Use
Use the search bar to enter keywords related to emissions sensors, such as 'O2 sensor' or 'catalytic converter.' This will filter the document to show only relevant sections.
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Key Specifications
Front O2 Sensor Voltage Range
0.1-0.9V
Rear O2 Sensor Voltage Range
0.1-0.9V
Catalytic Converter Efficiency Threshold
95%
MAF Sensor Air Flow Range
0-300 g/s
Sensor Operating Temperature
Up to 800°C
Available Specifications
Oxygen Sensors
Oxygen sensors, also known as O2 sensors, are critical components in the emissions control system of the 2003-2006 Infiniti G35. They monitor the oxygen levels in the exhaust gases to ensure optimal fuel efficiency and emissions compliance.
Oxygen Sensors
Oxygen sensors, also known as O2 sensors, are critical components in the emissions control system of the 2003-2006 Infiniti G35. They monitor the oxygen levels in the exhaust gases to ensure optimal fuel efficiency and emissions compliance.
Front Oxygen Sensor
- Located before the catalytic converter
- Monitors air-fuel ratio in real-time
- Outputs voltage signals to the ECU
- Replacement interval: 60,000-90,000 miles
- Part number: 22690-AL600
- Operating temperature: up to 800°C
Rear Oxygen Sensor
- Located after the catalytic converter
- Monitors catalytic converter efficiency
- Outputs voltage signals to the ECU
- Replacement interval: 60,000-90,000 miles
- Part number: 22690-AL601
- Operating temperature: up to 800°C
Catalytic Converter Sensors
The catalytic converter sensors in the Infiniti G35 work in conjunction with the oxygen sensors to ensure the catalytic converter is functioning properly and reducing harmful emissions.
Catalytic Converter Sensors
The catalytic converter sensors in the Infiniti G35 work in conjunction with the oxygen sensors to ensure the catalytic converter is functioning properly and reducing harmful emissions.
Catalytic Converter Efficiency Sensor
- Monitors the performance of the catalytic converter
- Detects excessive emissions levels
- Triggers the check engine light if issues are detected
- Replacement interval: 100,000 miles
- Part number: 22691-AL600
- Operating temperature: up to 600°C
Mass Air Flow Sensor
The mass air flow (MAF) sensor measures the amount of air entering the engine, which is crucial for maintaining the correct air-fuel mixture and reducing emissions.
Mass Air Flow Sensor
The mass air flow (MAF) sensor measures the amount of air entering the engine, which is crucial for maintaining the correct air-fuel mixture and reducing emissions.
MAF Sensor Specifications
- Located in the air intake system
- Measures air flow in grams per second
- Outputs voltage signals to the ECU
- Replacement interval: 50,000-70,000 miles
- Part number: 22680-AL600
- Operating temperature: -40°C to 120°C
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Component Specifications
Overview
- Type
- Oxygen (O2) Sensors
- Configuration
- Dual-sensor setup (upstream and downstream)
- Platform
- Infiniti G35 2003-2006
- Material
- Zirconia ceramic element with stainless steel housing
- Location
- Integrated into exhaust system, pre- and post-catalytic converter
Dimensions
- Sensor Length
- 3.15 inches (80 mm)
- Sensor Diameter
- 0.79 inches (20 mm)
- Thread Size
- M18 x 1.5
- Wire Length
- 23.6 inches (600 mm)
- Operating Temperature
- -40°F to 1472°F (-40°C to 800°C)
- Voltage Range
- 0.1V to 0.9V
- Response Time
- 0.1 seconds
Materials
- Sensing Element
- Zirconia ceramic
- Housing
- Stainless steel
- Wiring
- High-temperature PTFE insulation
- Connector
- Thermoplastic with brass terminals
Features
- Performance
-
- Wideband oxygen sensing
- Fast response time
- High-temperature durability
- Accurate air-fuel ratio measurement
- Compatibility
-
- Direct-fit for Infiniti G35 2003-2006
- OEM-spec connectors
- Compatible with factory ECU
- Meets OBD-II standards
- Durability
-
- Corrosion-resistant housing
- Sealed against moisture
- Vibration-resistant design
- Long service life
- installation
-
- Pre-threaded for easy replacement
- Color-coded wiring
- Plug-and-play design
- No calibration required
- Monitoring
-
- Real-time data transmission
- Self-diagnostic capabilities
- Error code detection
- Catalytic converter efficiency monitoring
Safety Features
- Electrical Safety
-
- Short-circuit protection
- Overvoltage protection
- Thermal Protection
-
- High-temperature insulation
- Heat-resistant wiring
- Environmental Protection
-
- Sealed against contaminants
- Resistant to exhaust gases
Comfort Features
- installation Ease
-
- Tool-free connector release
- Clear installation instructions
- Maintenance Ease
-
- Easy access for replacement
- No special tools required
- Noise Reduction
-
- Vibration-dampening design
- Quiet operation
- Reliability
-
- Consistent performance
- Minimal maintenance required
Accessories
- installation Tools
-
- O2 sensor socket
- Anti-seize compound
- Wire crimping tool
- Replacement Parts
-
- Sensor gaskets
- Wiring harness extensions
- Protective sleeves
- Diagnostic Tools
-
- OBD-II scanner
- Multimeter
- Voltage tester
Maintenance
- Service interval
- Every 60,000-100,000 miles
- Service Items
-
- Inspect sensor wiring
- Check for exhaust leaks
- Test sensor voltage output
- Clean sensor threads
- Replace if faulty
- Maintenance Notes
- Avoid using silicone-based lubricants near the sensor. Use anti-seize compound on threads during replacement.
Warranty
- Oem Warranty
- Miles: 60,000Years: 5Coverage: Defects in materials and workmanship
- Aftermarket Warranty
- Miles: 100,000Years: 7Coverage: Replacement if sensor fails
- Labor Warranty
- Miles: 12,000Years: 1Coverage: Free replacement labor
- Warranty Terms
- Warranty void if sensor is damaged due to improper installation or exposure to contaminants.
Production Details
- Manufacturer
- NGK/NTK
- Manufacturing Process
-
- Precision ceramic molding
- Automated assembly
- Laser welding
- Quality Control
- Testing: Voltage output testing, Thermal cycling tests, Vibration resistance testsCertifications: ISO 9001, OEM standards compliance
- Sustainability Practices
-
- Recyclable materials
- Low-emission manufacturing
- Energy-efficient production
- Production Metrics
- Annual Output: 2 million unitsDefect Rate: 0.01%Lead Time: 4 weeks
Service Information for emissions_sensors Service
Maintenance and service requirements specific to oxygen sensors in the Infiniti G35 2003-2006
- Inspect sensor wiring for damage
- Check for exhaust leaks near the sensor
- Test sensor voltage output using a multimeter
- Clean sensor threads if accessible
- Verify proper ECU communication
Early signs of sensor failure include poor fuel economy and check engine light activation.
- Replace upstream oxygen sensor
- Inspect downstream sensor for wear
- Check catalytic converter efficiency
- Test wiring harness continuity
- Apply anti-seize compound during replacement
Use an O2 sensor socket for removal to avoid damaging the sensor.
- Replace both upstream and downstream sensors
- Inspect exhaust system for corrosion
- Perform full OBD-II diagnostic scan
- Check for error codes related to emissions
- Verify proper air-fuel ratio
Ensure the engine is cool before replacing sensors to avoid burns.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications for the 2003-2006 Infiniti G35 emissions sensors?
What are the technical specifications for the 2003-2006 Infiniti G35 emissions sensors?
The emissions sensors for the 2003-2006 Infiniti G35 are designed to monitor exhaust gases, including oxygen levels, to ensure optimal engine performance and compliance with emissions standards. These sensors are compatible with the VQ35DE engine and operate within a voltage range of 0.1V to 0.9V. They are specifically calibrated for the G35's exhaust system and are not interchangeable with other models or years without proper adaptation.
Q2 What maintenance is required for the emissions sensors in a 2003-2006 Infiniti G35?
What maintenance is required for the emissions sensors in a 2003-2006 Infiniti G35?
Regular maintenance for the emissions sensors includes inspecting them every 30,000 miles for signs of wear or contamination. Ensure the sensors are free of carbon buildup and that the wiring harness is intact. Replace the sensors every 60,000 to 100,000 miles, as their performance degrades over time. Always use OEM or high-quality aftermarket sensors to maintain accuracy and reliability.
Q3 How do I replace the emissions sensors in a 2003-2006 Infiniti G35?
How do I replace the emissions sensors in a 2003-2006 Infiniti G35?
To replace the emissions sensors, first, locate the sensors on the exhaust manifold and downstream of the 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 the manufacturer's torque specification. Reconnect the electrical connector and clear any error codes using an OBD-II scanner.
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, start by checking for error codes using an OBD-II scanner. Common issues include faulty wiring, contamination, or sensor failure. Inspect the wiring harness for damage and clean the sensor if it is contaminated. If the problem persists, replace the sensor. Ensure the replacement sensor is compatible with your vehicle's make and model.
Q5 How can I optimize the performance of my emissions sensors?
How can I optimize the performance of my emissions sensors?
To optimize 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 contamination. Avoid using silicone-based sealants near the exhaust system, as they can damage the sensors. Additionally, ensure the exhaust system is leak-free, as leaks can cause inaccurate readings.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2003-2006 Infiniti G35 Service Manual
Coming SoonThis manual provides detailed instructions for servicing the Infiniti G35, including emissions system diagnostics and sensor replacement procedures.
Infiniti G35 Emissions System Technical Bulletin
Coming SoonThis bulletin addresses common issues and updates related to the emissions system, including sensor calibration and troubleshooting tips.
Infiniti G35 Parts and Accessories Catalog
Coming SoonThis catalog lists OEM and aftermarket parts for the Infiniti G35, including emissions sensors and related components.
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