1. Giriş
This manual provides detailed instructions for the proper use and maintenance of your Dollarfix EF18 OBD2 Scanner. Please read this manual thoroughly before operating the device to ensure correct usage and to prevent damage.
The Dollarfix EF18 is a diagnostic tool designed to read and clear engine fault codes, display live data, and perform various diagnostic tests on OBDII/EOBD/CAN compliant vehicles manufactured after 1996.
2. Məhsul bitdiview
2.1 Cihazın komponentləri
The Dollarfix EF18 OBD2 Scanner features a compact design with a clear LCD screen and intuitive controls.

Şəkil 1: Ön view of the Dollarfix EF18 OBD2 Scanner, showing the display screen, navigation buttons (up, down, OK, back), and the OBD2 connector cable.
2.2 Əsas Xüsusiyyətlər
- Tam OBD2 funksiyaları: Reads and clears Diagnostic Trouble Codes (DTCs), turns off the Check Engine Light (MIL).
- Canlı Məlumat Yayımı: Displays real-time vehicle sensor data in text and graph format.
- Çərçivə məlumatlarını dondurun: Emissiya ilə əlaqəli nasazlıq baş verdikdə nəqliyyat vasitəsinin vəziyyətinin anlıq görüntüsünü çəkir.
- I/M Hazırlıq Vəziyyəti: Checks the operational status of the emission system monitors.
- O2 Sensor Testi: Retrieves and views O2 sensor monitor test results.
- EVAP Sistem Testi: Initiates a leak test for the vehicle's EVAP system.
- Nəqliyyat vasitəsi haqqında məlumat: Retrieves VIN, CIN, and CVN.
- Batareya həcmitage Monitor: Displays real-time 12V battery voltage.
- Çoxdilli Dəstək: Supports eight languages.
- Plug-and-Play əməliyyatı: No external power or batteries required for basic functions.

Şəkil 2: The Dollarfix EF18 scanner screen showing icons for various functions including Read Code, Clear Code, Live Data, I/M Readiness, Vehicle Info, Freeze Frame, EVAP Monitor Test, O2 Monitor Test, and On-board Monitor Test.
3. Quraşdırma
The Dollarfix EF18 scanner is designed for plug-and-play operation. Follow these steps to begin using the device:
- OBD2 Portunu tapın: The OBD2 port is typically located under the dashboard on the driver's side. Refer to your vehicle's owner's manual for the exact location.
- Skaneri qoşun: Plug the EF18 scanner's OBD2 connector into your vehicle's OBD2 port.
- Avtomobilin alovunu yandırın: Turn the vehicle's ignition to the "ON" position (engine can be off or running, depending on the test). The scanner will power on automatically.
- Diaqnozun Başlanması: The scanner will automatically link to the vehicle's computer. Once linked, you can navigate the menu to select desired diagnostic functions.

Şəkil 3: Visual guide showing three steps: 1. Plug into OBD2 Port, 2. Turn on the car (ignition), 3. Start diagnosis by pressing the start engine button.
4. Əməliyyat Təlimatları
Use the navigation buttons (Up, Down, OK, Back) on the device to select and confirm menu options.
4.1 Reading and Clearing Codes
- From the main menu, select "OBDII/EOBD".
- Choose "Read Codes" to view current, pending, or historic Diagnostic Trouble Codes (DTCs).
- To clear codes, select "Clear Codes". Confirm the action when prompted. Note: Clearing codes will also turn off the Check Engine Light (MIL) and erase freeze frame data. Ensure you have recorded any necessary information before clearing codes.
4.2 Canlı Məlumat Axını
This function displays real-time data from the vehicle's sensors.
- From the "OBDII/EOBD" menu, select "Live Data".
- Siz edə bilərsiniz view data in text format or graphical format for selected parameters.
4.3 I/M Readiness Status
Checks if the various emission-related systems on the vehicle are operating correctly and are ready for inspection and maintenance testing.
- From the "OBDII/EOBD" menu, select "I/M Readiness".
- The screen will display the status of various monitors (e.g., Misfire Monitor, Fuel System Monitor, O2 Sensor Monitor). "OK" indicates the monitor has completed its test, "INC" indicates incomplete, and "N/A" indicates not applicable.
4.4 Batareya həcmitage Monitor
Allows for a quick check of the vehicle's 12V battery voltage.
- From the main menu, select "Battery".
- Cari batareyanın həcmitage ekranda görünəcək.

Şəkil 4: The Dollarfix EF18 scanner connected to a vehicle, illustrating its capability to perform Oxygen Sensor Test, EVAP System Test, and I/M Ready State checks.

Şəkil 5: The Dollarfix EF18 scanner screen showing a DTC Lookup function (P0006), alongside icons representing DTC Reading & Clearing, Live Data Monitor, Freeze Frame, Battery Voltage Display, and Read Vehicle Information.
5. Baxım
- Təmizləmə: Use a soft, dry cloth to clean the scanner's exterior. Do not use abrasive cleaners or solvents.
- Yaddaş: Cihazı quru, sərin yerdə, birbaşa günəş işığından və həddindən artıq temperaturdan uzaq saxlayın.
- Kabel Baxımı: Avoid bending or twisting the OBD2 cable excessively. Ensure the connector is clean and free of debris before plugging it into the vehicle.
6. Giderme
- Skaner işə düşmür:
- OBD2 konnektorunun avtomobilin portuna etibarlı şəkildə qoşulduğundan əmin olun.
- Avtomobilin alışmasının "ON" vəziyyətində olduğunu yoxlayın.
- Check the vehicle's fuse for the OBD2 port (consult your vehicle's manual).
- Linking Error / Communication Failure:
- Confirm the vehicle is OBDII compliant (most vehicles after 1996).
- Ensure the ignition is "ON" and the engine is off or running as required by the test.
- Hər hansı boş bağlantıları yoxlayın.
- Try connecting to a different OBDII compliant vehicle to rule out scanner malfunction.
- "DTCs Not Found" Message:
- This indicates that no Diagnostic Trouble Codes are currently stored in the vehicle's computer.
7. Spesifikasiyalar
| Xüsusiyyət | Detal |
|---|---|
| Model | EF18 |
| Brend | Dollarfix |
| Uyğunluq | OBDII/EOBD/CAN compliant vehicles (most after 1996) |
| Dəstəklənən Protokollar | ISO14230-4 KWP, ISO15765-4 CAN, ISO9141-2, J1850 VPW, SAE J1850 PWM |
| Ekran | Arxa işıqlı LCD ekran |
| Güc mənbəyi | Vehicle OBD2 port (powered by vehicle's 12V battery, no internal battery required for operation) |
| Ölçülər | 6.69 x 2.76 x 2.76 düym (17.0 x 7.0 x 7.0 sm) |
| Çəki | 260 q |
| Dəstəklənən Dillər | 8 dil |

Şəkil 6: The Dollarfix EF18 scanner shown with its compact size, clear backlit LCD screen, simple 4-button operation, and flags representing its 8-language support. It also emphasizes compatibility with vehicles since 1996.
8. Zəmanət və Dəstək
For warranty information and technical support, please refer to the contact details provided with your product packaging or visit the official Dollarfix websayt.
İstehsalçı: Dollarfix
ASIN: B0CWLDMC1P
UPC: 768297280023