1. Introduction
The CAREUD U912WF is a wireless Tire Pressure Monitoring System (TPMS) designed to provide real-time tire pressure and temperature data for your vehicle. This system helps enhance driving safety by alerting you to abnormal tire conditions, preventing tire bursts, and extending tire life. It features external sensors and a display unit designed for seamless embedded installation in compatible car models, specifically for Toyota vehicles.
2. Product Overview
2.1 Key Features
- Tire Pressure Monitoring
- Foresee Air Leakage
- Increase Tire's Life
- Prevent Tire Burst
- Tire Temperature Monitoring
- ACC (Accessory Power) Functionality
- Anti-interference Design
- Equipped with Imported Chip
- Self-Defence Mechanism
- Monitors Four Tires Simultaneously
- Vehicle Battery Monitoring
- Abnormal Alarming
- Contributes to Fuel Saving
- Real-time Monitoring
2.2 What's in the Box
The package includes the following components:
Image: CAREUD U912WF TPMS Product Accessories
- U912 Monitor (1 unit)
- External Sensors (4 units)
- Theftproof Nuts (4 units)
- Power Cable (1 unit)
- Spanner (1 unit)
3. Specifications
3.1 Display Parameters
- Working Temperature: -20℃ to +80℃
- Storage Temperature: -30℃ to +85℃
- Input Voltage: DC 8V to 16V
- Transmit Frequency: 433.92MHz
- Size (L*W*H): 34mm * 24mm * 44mm (Toyota specific)
- Weight (Toyota): 15g
3.2 Sensor Parameters
- Working Temperature: -40℃ to +105℃
- Storage Temperature: -40℃ to +120℃
- Pressure Range: 0 to 116 psi (0 to 8 bar)
- Pressure Accuracy: ±1.5 PSI (±0.1 bar)
- Temperature Accuracy: ±3℃
- Transmitting Power: <10dbm@50Ω
- Transmit Frequency: 433.92MHz
- Battery Life: >5 years
- Size (L*W*H): 69mm * 32mm * 15mm
- Weight: 29g
3.3 General Product Specifications
- Origin: Mainland China
- DIY Supplies: Electrical
- Type: Digital
- Car Fitment: Toyota (specifically RAV4, U912WF For Toyota)
- Voltage: 12V
- Sensor Type: External
- Unit: PSI, BAR
- Application: For Toyota
- Hole Size: 23.5x34x49mm (for Toyota models)
4. Setup & Installation
4.1 Pre-installation Check
Before proceeding with installation, ensure the following:
- Verify that your car has a compatible blind hole for the display unit.
- Choose the correct model and size of the TPMS unit that matches your car brand. Refer to the table below for common hole sizes:
| Car Brand | Hole Size (L x W x H) |
|---|---|
| Mazda | 39x24x49mm |
| Nissan | 36x21x49mm |
| Toyota | 34x23.5x49mm |
| Honda 1 | 37x23.8x49mm |
| Honda 2 | 44x23.5x49mm |
Image: TPMS Display Unit Sizes for Different Car Brands
4.2 External Sensor Installation
Follow these steps to install the external sensors:
Image: External Sensor Installation Steps
- Screw the theftproof nuts onto the tire valve stem.
- Tighten the sensor onto the valve stem.
- Tighten the theftproof nut against the sensor by turning it anticlockwise to secure the sensor.
- Use the provided spanner to further fix the nut anticlockwise, ensuring a secure and tamper-proof installation.
4.3 Display Unit Installation
The display unit is designed for non-destructive, embedded installation in your car's blind hole, offering a clean and integrated look. No complex wiring is required.
Image: Display Unit Embedded Installation
Image: Seamlessly Embedded Display Unit
5. Operating Instructions
5.1 Automatic Start
The monitor automatically starts up when the vehicle is started. The external sensors automatically transmit real-time tire pressure and temperature data to the display unit. The display will automatically update with the corresponding data.
Image: Automatic Start Functionality
5.2 Alarming
In case of a quick tire leakage, the display will promptly show an alarm within 3 seconds, helping to reduce risk.
Image: Quick Leakage Alarm
6. Maintenance
6.1 Sensor Battery
The external sensors are designed with a battery life of over 5 years. The batteries are user-replaceable. The battery model required is 18650.
Image: External Sensor Introduction and Battery Information
Note: The battery life can be up to 2 years when driving four hours a day.
7. Troubleshooting
- Q: Can the temperature units be changed?
A: Yes, the temperature units can be switched between Celsius (℃) and Fahrenheit (℉). - Q: Can the pressure units be changed?
A: Yes, the pressure units can be switched between PSI and BAR.
8. User Tips
- Always ensure your vehicle has a suitable blind hole for the display unit before purchasing to guarantee a seamless embedded installation.
- Double-check the compatibility of the TPMS model and size with your specific car brand and model to ensure a perfect fit and proper functionality.
- Regularly check the sensor battery life and replace them as needed to maintain accurate readings and continuous monitoring.
9. Warranty & Support
This CAREUD U912WF TPMS unit comes with a 6-month warranty from the date of purchase. For any technical support or warranty claims, please contact your seller or the manufacturer directly. Ensure you retain your proof of purchase for warranty validation.