1. Product Overview
The ECLIPSE ETC Unit ETC111 is an antenna-separated Electronic Toll Collection (ETC) system manufactured by DENSO TEN. This unit allows for automated toll payments on compatible roadways, providing a seamless and efficient driving experience. Its antenna-separated design offers flexibility in installation within your vehicle.

Figure 1: Front view of the ECLIPSE ETC Unit ETC111. This image shows the compact main unit with the ETC logo, 'ELECTRONIC TOLL COLLECTION SYSTEM' text, and the ECLIPSE brand name. It also features a card slot indicator and control buttons.
2. Features
- Antenna-Separated Design: Allows for flexible installation of the main unit and antenna in different locations within the vehicle.
- Electronic Toll Collection: Enables automatic payment of highway tolls, reducing stop-and-go traffic at toll booths.
- Compact Size: Designed to be discreetly installed in various vehicle interiors.
- DENSO TEN Quality: Manufactured by DENSO TEN, ensuring reliability and compatibility with vehicle systems.
3. Package Contents
Please ensure all items are present before proceeding with installation.
- ECLIPSE ETC Unit (Main Body)
- DSRC Antenna
- Connection Cable
- Installation Manual (this document)

Figure 2: ECLIPSE ETC Unit with its DSRC antenna and connecting cable. This image displays the main ETC unit, the separate antenna, and the cable that connects them, illustrating the complete set of components.
4. Setup and Installation
Proper installation is crucial for the correct operation of the ETC unit. It is highly recommended to have this unit installed by a qualified professional or an authorized service center.
4.1. Pre-Installation Checks
- Ensure your vehicle's electrical system is compatible with the ETC unit's power requirements.
- Verify that you have a valid ETC card issued by a recognized authority.
- Choose an installation location that does not obstruct the driver's view or interfere with airbag deployment.
4.2. Installation Steps (General Guidelines)
- Mounting the Main Unit: Securely mount the main ETC unit in an accessible location, typically within the dashboard or glove compartment, ensuring it does not interfere with vehicle operation.
- Mounting the Antenna: The DSRC antenna should be mounted on the windshield, typically near the rearview mirror, ensuring a clear line of sight to the sky for optimal signal reception. Clean the mounting surface thoroughly before attachment.
- Wiring: Connect the antenna cable to the main unit. Connect the main unit's power cable to the vehicle's power supply (e.g., accessory power) according to the vehicle's wiring diagram. Ensure all connections are secure and properly insulated.
- Initial Setup: After installation, turn on your vehicle's ignition. The ETC unit may perform an initial self-check. Follow any on-screen prompts or indicator lights to confirm proper power and antenna connection.
5. Operating Instructions
5.1. Inserting the ETC Card
- Ensure the vehicle's ignition is on.
- Locate the card slot on the ETC unit.
- Insert your ETC card with the correct orientation (usually indicated by an arrow or diagram on the unit) until it clicks into place.
- The unit will typically emit a confirmation sound or display an indicator light to show the card has been read successfully.
5.2. Passing Through ETC Gates
- Approach the ETC lane at a designated speed (usually 20 km/h or less).
- Maintain a safe distance from the vehicle in front.
- The ETC unit will communicate with the gate system. A successful transaction will be indicated by a green light and/or a confirmation sound from the unit, and the gate barrier will open.
- If an error occurs or the transaction is unsuccessful, the unit may emit an alert sound or display a red light, and the gate barrier may not open. Follow the instructions provided by the toll gate system in such cases.
5.3. Removing the ETC Card
- Press the eject button or gently push the card further into the slot until it springs out.
- Carefully remove the ETC card.
6. Maintenance
To ensure the longevity and optimal performance of your ETC unit, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the exterior of the unit. Do not use abrasive cleaners, solvents, or excessive moisture, as these can damage the unit.
- Card Slot: Keep the card slot free from dust and debris. Avoid inserting foreign objects into the slot.
- Antenna: Ensure the antenna remains securely attached to the windshield and its surface is clean and unobstructed.
- Cable Connections: Periodically check that all cables are securely connected and free from damage.
- Storage: If the vehicle is to be stored for an extended period, it is advisable to remove the ETC card from the unit.
7. Troubleshooting
If you encounter issues with your ETC unit, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | No power supply; loose cable connection; blown fuse. | Check vehicle ignition; ensure cables are securely connected; inspect vehicle's fuse box. Consult a professional if issues persist. |
| ETC card not recognized. | Card inserted incorrectly; dirty or damaged card; unit malfunction. | Re-insert card correctly; clean card chip; try a different valid ETC card. |
| Gate does not open. | ETC card error; insufficient balance; communication error with gate; speed too high. | Check card status/balance; ensure proper card insertion; reduce speed when approaching gate. Follow gate instructions. |
| Unit emits continuous error sound. | System error; antenna obstruction. | Check antenna for obstructions; restart vehicle ignition. If error persists, seek professional assistance. |
If the problem persists after attempting these solutions, please contact your dealer or an authorized service center for further assistance.
8. Specifications
| Manufacturer | ECLIPSE (DENSO TEN) |
| Brand | ECLIPSE |
| Product Model Number | ETC111 |
| Product Dimensions (L x W x H) | 9.7 x 7.2 x 1.7 cm |
| Item Weight | 653 g |
| Color | Black |
| Antenna Type | DSRC |
| First Available on Amazon.co.jp | March 7, 2012 |
9. Warranty and Support
For information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product or visit the official ECLIPSE (DENSO TEN) website. For technical support, service, or inquiries not covered in this manual, please contact your authorized dealer or the manufacturer's customer service department.
ECLIPSE Official Website: https://www.denso-ten.com/jp/eclipse/





