1. Kirish
This manual provides comprehensive instructions for the operation and maintenance of your FOXWELL NT604 OBD2 Scanner and BT100 Pro Battery Tester. These devices are designed to assist in diagnosing vehicle issues and assessing battery health, providing valuable information for vehicle maintenance.
The FOXWELL NT604 is an advanced diagnostic scan tool capable of reading and clearing fault codes, displaying live data, and performing various tests on key vehicle systems. The FOXWELL BT100 Pro is a professional battery analyzer designed to test 12V batteries, providing accurate readings on battery voltage, CCA, internal resistance, and overall health.
2. Sozlash
2.1 Qurilmani ochish
Carefully remove all components from the packaging. Verify that all items listed in the product packaging are present. Retain the packaging for future storage or shipping.
2.2 Dastlabki quvvatlanish
The NT604 scanner typically powers on when connected to a vehicle's OBD-II port. The BT100 Pro battery tester powers on when connected to a 12V battery.

Figure 2.1: The FOXWELL NT604 OBD2 Scanner and BT100 Pro Battery Tester.
3. Operatsiya
3.1 FOXWELL NT604 OBD2 Scanner Operation
The NT604 scanner connects to your vehicle's On-Board Diagnostics II (OBD-II) port to access vehicle system information.
- OBD-II portini toping: The OBD-II port is usually located under the dashboard on the driver's side.
- Skanerni ulang: Plug the NT604's diagnostic cable into the vehicle's OBD-II port. The scanner will power on automatically.
- Vehicle Communication: The scanner will attempt to establish communication with the vehicle's ECU (Engine Control Unit). Follow on-screen prompts.
- Asosiy menyu navigatsiyasi: Use the navigation buttons (up, down, left, right, OK, ESC) to select desired functions from the main menu. Common functions include:
- O'qish kodlari: Retrieves Diagnostic Trouble Codes (DTCs) from the vehicle's systems.
- Kodlarni tozalash: Erases DTCs from the vehicle's memory. Note: Clearing codes does not fix the underlying problem. Address the issue before clearing codes.
- Jonli maʼlumotlar: Displays real-time sensor data from the vehicle.
- Kadrni muzlatish: Captures a snapshot of vehicle operating conditions at the time a fault code was set.
- I/M tayyorligi: Emissiya bilan bog'liq monitorlarning holatini tekshiradi.
- Tizim diagnostikasi: Accesses specific vehicle systems like Engine, ABS, SRS (Airbag), and Transmission for detailed diagnostics.

Figure 3.1: The NT604 scanner's main menu showing various OBDII functions.

Figure 3.2: The NT604 scanner's capability to diagnose Engine, ABS, SRS, and Transmission systems.
3.2 FOXWELL BT100 Pro Battery Tester Operation
The BT100 Pro is designed for testing 12V automotive batteries. It can perform tests both in-vehicle and out-of-vehicle.
- Batareyani tayyorlang: Ensure battery terminals are clean and free of corrosion.
- Testerni ulang:
- Qizil cl ni ulangamp musbat (+) batareya terminaliga.
- Qora cl ni ulangamp salbiy (-) batareya terminaliga.
- The tester will power on automatically.
- Sinov turini tanlang:
- In-Vehicle Test: For batteries installed in the vehicle.
- Out-of-Vehicle Test: For standalone batteries.
- Batareya turini tanlang: Choose the correct battery type (e.g., Regular Flooded, AGM Flat Plate, AGM Spiral, GEL) from the menu. Incorrect selection may lead to inaccurate results.
- Enter CCA Rating: Input the Cold Cranking Amps (CCA) rating found on the battery label.
- Sinovni bajaring: The tester will perform the analysis and display results such as:
- jildtage
- O'lchangan CCA
- Ichki qarshilik
- Sog'liqni saqlash holati (SOH)
- Zaryad holati (SOC)

Figure 3.3: The BT100 Pro supports both in-vehicle and out-of-vehicle battery testing.

Figure 3.4: The BT100 Pro provides detailed battery status including internal resistance, CCA, and health display.
4. Xizmat ko'rsatish
4.1 Tozalash
Qurilmani yumshoq mato bilan artib oling, damp mato. Abraziv tozalash vositalarini yoki erituvchilarni ishlatmang. Saqlashdan oldin qurilma quruqligiga ishonch hosil qiling.
4.2 Dasturiy ta'minotni yangilash
Periodically check the FOXWELL official website for software updates for the NT604 scanner. Updates can improve performance, add new features, and expand vehicle compatibility. Follow the instructions provided on the website for updating the device firmware.
4.3 Saqlash
Store the devices in a clean, dry environment, away from extreme temperatures and direct sunlight. Keep cables neatly coiled to prevent damage.
5. Muammolarni bartaraf qilish; nosozliklarni TUZATISH
| Muammo | Mumkin sabab | Yechim |
|---|---|---|
| NT604 does not power on. | Loose OBD-II connection; vehicle's OBD-II port fuse blown; vehicle battery low. | Ensure secure connection. Check vehicle's OBD-II port fuse. Verify vehicle battery voltage. |
| NT604 fails to link with vehicle. | Incorrect protocol selected; vehicle ignition off; faulty connection. | Ensure ignition is ON. Check cable connection. Try a different vehicle if possible to isolate the issue. |
| BT100 Pro does not power on. | Loose battery clamp connection; battery voltage juda past. | Ishonch hosil qilingamps are securely attached to clean battery terminals. Test a different battery if available. |
| Inaccurate BT100 Pro readings. | Incorrect battery type or CCA entered; dirty battery terminals. | Verify battery type and CCA input. Clean battery terminals thoroughly. |
6. Texnik shartlar
FOXWELL NT604 OBD2 skaneri
- Qo'llab-quvvatlanadigan tizimlar: Engine, ABS, SRS (Airbag), Transmission
- OBDII Modes: 10 modes (Read Codes, Clear Codes, Live Data, Freeze Frame, I/M Readiness, Component Test, O2 Monitor Test, On-Board Monitor Test, Retrieve Vehicle Info, Modules Present)
- Quvvat manbai: Vehicle OBD-II port
FOXWELL BT100 Pro Battery Tester
- Batareya hajmitage: 12V
- Sinov oralig'i: 100-1100 CCA
- Qo'llab-quvvatlanadigan batareya turlari: Regular Flooded, AGM Flat Plate, AGM Spiral, GEL
- Sinov natijalari: jildtage, CCA, Internal Resistance, State of Health (SOH), State of Charge (SOC)
- Quvvat manbai: Battery Powered (from the tested battery)

6.1-rasm: Masalanample of battery test results displayed on the BT100 Pro.
7. Kafolat va qo'llab-quvvatlash
7.1 Kafolat haqida ma'lumot
FOXWELL products are covered by a limited warranty against defects in materials and workmanship. Please refer to the warranty card included with your product or visit the official FOXWELL webbatafsil kafolat shartlari va shartlari uchun sayt.
7.2 Texnik yordam
For technical assistance, software updates, or service inquiries, please contact FOXWELL customer support. Contact information can typically be found on the official FOXWELL websayt yoki mahsulot o'ramida.
Websayt: www.foxwelltech.com (Masalanample link, verify official site)





