NISSAN Genuine ASCD Steering Switch Assembly User Manual

1. Product Overview

This manual provides essential information for the NISSAN Genuine ASCD Steering Switch Assembly, part number 25550-1EA1A. This component is an authentic Nissan part designed to integrate with your vehicle's steering system, primarily for ASCD (Automatic Speed Control Device) functions. Proper installation and understanding of its operation are crucial for optimal performance and safety.

Image showing the NISSAN Genuine ASCD Steering Switch Assembly. This component is designed for integration into the steering wheel of compatible Nissan vehicles.

2. Safety Information

• Always disconnect the vehicle's battery before beginning any electrical work to prevent accidental deployment of airbags or electrical shorts.
• Installation should ideally be performed by a qualified automotive technician. Incorrect installation can lead to vehicle malfunction or safety hazards.
• Ensure all connections are secure and properly insulated after installation.
• Refer to your vehicle's specific service manual for detailed instructions regarding steering wheel and airbag removal and installation procedures.

3. Package Contents

The package should contain the following:

• NISSAN Genuine ASCD Steering Switch Assembly (Part No. 25550-1EA1A)
• (Additional components, if any, would be listed here. Please verify against your specific product packaging.)

4. Compatibility

This ASCD Steering Switch Assembly is compatible with specific NISSAN models and years. Please verify your vehicle's compatibility before installation.

• Compatible Vehicle Models: Juke, Fairlady Z
• Compatible Chassis Codes: F15, HZ34, NF15, YF15, Z34
• Compatible Model Years: 2008/12 - 2015/07

Note: Compatibility may vary by vehicle grade and specific configuration. Always confirm with the manufacturer or a qualified technician prior to purchase and installation.

5. Setup and Installation

Installation of the ASCD Steering Switch Assembly requires technical knowledge and specialized tools. It involves working with the vehicle's electrical system and potentially the airbag system. It is strongly recommended that installation be performed by a certified NISSAN service center or a professional automotive technician.

1. Preparation: Park the vehicle on a level surface, engage the parking brake, and turn off the engine. Disconnect the negative terminal of the vehicle's battery. Wait several minutes for the airbag system to discharge.
2. Steering Wheel Disassembly: Carefully remove the airbag module and then the steering wheel according to your vehicle's service manual. This step is critical and must be done correctly to avoid injury or damage.
3. Switch Replacement: Locate the existing ASCD steering switch assembly. Disconnect its electrical connector(s) and remove the old switch. Install the new NISSAN Genuine ASCD Steering Switch Assembly (Part No. 25550-1EA1A) into its designated position. Ensure all clips and mounting points are secure.
4. Wiring Connection: Connect the electrical connector(s) to the new switch assembly. Ensure connections are firm.
5. Reassembly: Reinstall the steering wheel and airbag module, following the reverse order of disassembly as per your vehicle's service manual.
6. Final Check: Reconnect the vehicle's battery. Start the engine and check for proper operation of the ASCD system and any other steering wheel controls. Verify that no warning lights are illuminated on the dashboard.

Consult your vehicle's specific repair manual for detailed, model-specific instructions and torque specifications.

6. Operating Instructions

This switch assembly primarily controls the Automatic Speed Control Device (ASCD), also known as cruise control. The specific functions and button layouts may vary slightly depending on your vehicle's model and year. Generally, the controls include:

• ON/OFF Button: Activates or deactivates the cruise control system.
• SET/COAST Button: Sets the current speed as the cruising speed or decreases the set speed.
• RESUME/ACCEL Button: Resumes a previously set speed or increases the set speed.
• CANCEL Button: Deactivates cruise control without erasing the set speed from memory.

For detailed operating procedures, refer to the ASCD or cruise control section of your vehicle's owner's manual.

7. Maintenance

The NISSAN Genuine ASCD Steering Switch Assembly is designed for long-term reliability and typically requires no routine maintenance. However, to ensure its longevity and proper function:

• Keep the steering wheel area clean and free from dust and debris.
• Avoid spilling liquids on the switch assembly.
• Do not use harsh chemicals or abrasive cleaners on the switch surfaces.
• If any buttons become sticky or unresponsive, consult a professional technician for inspection.

8. Troubleshooting

If you experience issues with your ASCD Steering Switch Assembly, consider the following common troubleshooting steps:

• ASCD Not Activating:
  • Ensure the ASCD system is turned ON.
  • Check if your vehicle speed is within the operational range for cruise control (typically above 40 km/h or 25 mph).
  • Verify that the brake pedal is not being pressed, even lightly.
  • Check for any related warning lights on the dashboard.
• Buttons Unresponsive:
  • Inspect for any physical obstructions or damage to the buttons.
  • If the issue persists, there might be an internal electrical fault or a wiring problem. Professional diagnosis is recommended.

For complex issues, it is always best to consult a NISSAN service center or a qualified automotive electrician.

9. Specifications

10. Warranty and Support

For all warranty-related inquiries regarding this NISSAN Genuine part, please contact the manufacturer directly. NISSAN provides specific warranty terms for its genuine parts. It is important to retain your proof of purchase for any warranty claims.

Please be aware that for high-value products, returns or cancellations may be subject to specific conditions and policies. Always confirm these details with your retailer or NISSAN before making a purchase.

For technical support or assistance with installation, it is recommended to visit an authorized NISSAN service center or consult a certified automotive technician.