1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Hitachi Astemo ETB0014 Fuel Injection Throttle Body. Please read this manual thoroughly before proceeding with any procedures to ensure safe and correct usage. The Astemo ETB0014 is engineered to deliver precise air intake control for optimal engine performance and fuel efficiency.
2. Safety Information
- Always disconnect the vehicle's battery before performing any installation or maintenance to prevent electrical shock or damage to components.
- Wear appropriate personal protective equipment (PPE), including safety glasses and gloves, during installation and handling.
- Ensure the engine is cool before working on the fuel system to avoid burns.
- Handle fuel system components with care to prevent fuel leaks and potential fire hazards.
- Refer to your vehicle's service manual for specific torque specifications and additional safety precautions.
- Professional installation is recommended for optimal performance and safety.
3. Product Overview
The Hitachi Astemo ETB0014 is an electronic throttle body designed for precise air intake management in compatible vehicles. It features advanced sensor technology for accurate engine mapping and consistent performance.
Figure 3.1: Front view of the Hitachi Astemo ETB0014 Fuel Injection Throttle Body, showing the main housing and butterfly valve.
- Superior Quality: Manufactured by Astemo, a Tier 1 OE supplier, ensuring performance comparable to original equipment.
- Enhanced Performance: Incorporates new throttle position sensor technology for smooth idle conditions and precise airflow metering, restoring original drivability.
- Durability: Features application-specific gear ratios and materials to provide precise control while minimizing wear on the electric motor. Each unit undergoes rigorous testing for durability and accuracy.
- New Construction: This product is 100% new, never remanufactured, ensuring consistent quality and reliability.
Figure 3.2: Angled view of the throttle body, highlighting the internal butterfly valve and air passage.
Figure 3.3: Close-up of the electrical connector on the throttle body, showing the pin configuration.
4. Compatibility
The Astemo ETB0014 Fuel Injection Throttle Body is compatible with specific vehicle models and engine configurations. Please verify compatibility using the information below and your vehicle's service manual before installation.
Figure 4.1: Compatibility chart for the ETB0014 throttle body.
Known Compatibility:
- 2007-2015 INFINITI JX35 (3.5L Engine)
- 2007-2015 INFINITI QX60 (3.5L Engine)
- 2007-2015 Nissan Altima (3.5L Engine)
- 2007-2015 Nissan Murano (3.5L Engine)
- 2007-2015 Nissan Pathfinder (3.5L Engine)
- 2007-2015 Nissan Quest (3.5L Engine)
Note: Always cross-reference with your vehicle's specific year, make, model, and engine size to ensure correct fitment.
5. Installation
Installation of the throttle body requires mechanical aptitude and specific tools. If you are not confident in performing this procedure, it is recommended to seek assistance from a qualified automotive technician.
Figure 5.1: The ETB0014 throttle body shown with a new gasket, essential for proper sealing during installation.
General Installation Steps (Consult Vehicle Service Manual for Details):
- Preparation: Ensure the engine is off and cool. Disconnect the negative terminal of the vehicle's battery.
- Access: Locate the existing throttle body. This may require removing air intake components, engine covers, or other obstructing parts.
- Disconnect: Carefully disconnect the electrical connector, vacuum lines, and coolant lines (if applicable) from the old throttle body. Be prepared for minor fluid leakage from coolant lines.
- Removal: Unbolt the old throttle body from the intake manifold. Remove the old gasket.
- Inspection: Inspect the intake manifold mating surface for any debris or damage. Clean as necessary.
- Installation of New Throttle Body: Place the new gasket onto the intake manifold. Position the new Astemo ETB0014 throttle body and secure it with the bolts. Tighten bolts to the manufacturer's specified torque.
- Reconnect: Reconnect all electrical connectors, vacuum lines, and coolant lines. Ensure all connections are secure.
- Final Checks: Reconnect the battery. Start the vehicle and check for any leaks or unusual engine behavior.
Note: After installation, a throttle body relearn procedure may be necessary. Refer to your vehicle's service manual or the troubleshooting section of this manual for guidance.
6. Operation
The electronic throttle body (ETB) is a critical component of your vehicle's engine management system. It precisely controls the amount of air entering the engine in response to accelerator pedal input. This electronic control allows for optimized fuel delivery, improved emissions, and enhanced vehicle performance.
The ETB works in conjunction with the engine control unit (ECU) and various sensors to maintain the ideal air-fuel mixture for different driving conditions. Its rapid response times and accurate positioning contribute to smooth acceleration and stable idle.
7. Maintenance
Regular inspection and cleaning of the throttle body can help maintain optimal engine performance and prevent issues. Over time, carbon deposits can accumulate on the throttle plate and bore, affecting airflow and potentially causing drivability problems.
Figure 7.1: Important checks to perform before initiating a throttle body relearn procedure.
Recommended Maintenance:
- Periodic Inspection: Inspect the throttle body for excessive carbon buildup, especially if experiencing rough idle or hesitation.
- Cleaning: If carbon deposits are present, carefully clean the throttle plate and bore using a throttle body cleaner specifically designed for electronic throttle bodies. Avoid harsh chemicals or abrasive tools that could damage the delicate coatings or electronic components.
- Gasket Replacement: Always use a new gasket when reinstalling or replacing the throttle body to ensure a proper seal.
- System Checks: Regularly check for vacuum leaks, proper wiring harness connections, and ensure the PCV/EGR systems are functioning correctly, as issues in these areas can affect throttle body operation.
8. Troubleshooting
If you encounter issues after installing or during the operation of your Astemo ETB0014 throttle body, consider the following troubleshooting steps:
- High Idle or Engine Light: This often indicates that a throttle body relearn procedure is required. Many vehicles require this procedure after a throttle body replacement or battery disconnection. Consult your vehicle's service manual for the specific steps.
- Rough Idle or Hesitation: Check for vacuum leaks around the intake manifold and throttle body. Inspect the wiring harness for secure connections and any signs of damage. Ensure the PCV/EGR systems are clean and operating correctly.
- No Response from Accelerator Pedal: Verify that the electrical connector to the throttle body is fully seated and undamaged. Check relevant fuses.
- Incorrect Fitment: Before installation, ensure the new throttle body matches the dimensions and connections of the original part. Refer to the compatibility section.
If issues persist after performing these checks, it is recommended to consult a certified automotive technician for diagnosis and repair.
9. Specifications
| Feature | Specification |
|---|---|
| Manufacturer | Astemo |
| Brand | Hitachi |
| Model Number | ETB0014 |
| Item Weight | 2.3 pounds |
| Product Dimensions | 2.66 x 6.2 x 4.95 inches |
| Exterior Finish | Machined |
| OEM Part Numbers | 16119-JA10A, 16119-JA10B |
| Position | Center |
| Date First Available | May 3, 2013 |
10. Warranty and Support
Hitachi Astemo is committed to innovation and quality. For specific warranty information regarding your ETB0014 throttle body, please refer to the documentation included with your product or contact Astemo customer support directly.
Figure 10.1: Information regarding technical support and online resources.
Technical Support:
- Technical Support Line: (800) 548-2549
- Hours: Monday-Friday, 8am-5pm (PST)
- Online Resources: For additional helpful video resources and product information, visit the official Astemo aftermarket website.
Please note: Do not return the product to the retailer or store without first consulting technical support or following the manufacturer's return policy.
