1. Sarrera
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. Produktua amaitu daview
2.1 Gailuaren osagaiak
The Dollarfix EF18 OBD2 Scanner features a compact design with a clear LCD screen and intuitive controls.

1. irudia: Aurrealdea view of the Dollarfix EF18 OBD2 Scanner, showing the display screen, navigation buttons (up, down, OK, back), and the OBD2 connector cable.
2.2 Ezaugarri nagusiak
- OBD2 funtzio osoak: Reads and clears Diagnostic Trouble Codes (DTCs), turns off the Check Engine Light (MIL).
- Datu-jario zuzena: Displays real-time vehicle sensor data in text and graph format.
- Izoztu fotograma datuak: Captures a snapshot of vehicle conditions when an emission-related fault occurs.
- I/M Prestutasun Egoera: Checks the operational status of the emission system monitors.
- O2 sentsoreen proba: Berreskuratzen du eta viewO2 sentsorearen monitorearen proben emaitzak.
- EVAP sistemaren proba: Initiates a leak test for the vehicle's EVAP system.
- Ibilgailuen informazioa: Retrieves VIN, CIN, and CVN.
- Bateria Voltage Monitorea: Displays real-time 12V battery voltage.
- Hizkuntza anitzeko euskarria: Supports eight languages.
- Plug and Play funtzionamendua: No external power or batteries required for basic functions.

2. irudia: 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. Konfigurazioa
The Dollarfix EF18 scanner is designed for plug-and-play operation. Follow these steps to begin using the device:
- Aurkitu OBD2 ataka: 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.
- Konektatu eskanerra: Plug the EF18 scanner's OBD2 connector into your vehicle's OBD2 port.
- Ibilgailuaren piztea piztu: 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.
- Diagnostikoa hasi: The scanner will automatically link to the vehicle's computer. Once linked, you can navigate the menu to select desired diagnostic functions.

3. irudia: 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. Funtzionamendu-argibideak
Use the navigation buttons (Up, Down, OK, Back) on the device to select and confirm menu options.
4.1 Kodeak irakurtzea eta ezabatzea
- 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 Datu-jario zuzena
This function displays real-time data from the vehicle's sensors.
- From the "OBDII/EOBD" menu, select "Live Data".
- Ahal duzu view data in text format or graphical format for selected parameters.
4.3 I/M Prestutasun Egoera
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 Bateria Voltage Monitorea
Allows for a quick check of the vehicle's 12V battery voltage.
- Menu nagusian, hautatu "Bateria".
- Uneko bateria boltage pantailan bistaratuko da.

4. irudia: 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.

5. irudia: 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. Mantentzea
- Garbiketa: Erabili zapi leun eta lehor bat eskanerraren kanpoaldea garbitzeko. Ez erabili garbitzaile edo disolbatzaile urratzailerik.
- Biltegiratzea: Gorde gailua leku lehor eta fresko batean, eguzki-argitik eta muturreko tenperaturetatik urrun.
- Kableen zainketa: Avoid bending or twisting the OBD2 cable excessively. Ensure the connector is clean and free of debris before plugging it into the vehicle.
6. Arazoak
- Scanner Does Not Power On:
- Ziurtatu OBD2 konektorea ibilgailuaren atakan ondo konektatuta dagoela.
- Egiaztatu ibilgailuaren piztea "ON" posizioan dagoela.
- 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.
- Egiaztatu konexio solterik.
- 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. Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Eredua | EF18 |
| Marka | Dollarfix |
| Bateragarritasuna | OBDII/EOBD/CAN compliant vehicles (most after 1996) |
| Onartutako protokoloak | ISO14230-4 KWP, ISO15765-4 CAN, ISO9141-2, J1850 VPW, SAE J1850 PWM |
| Bistaratzea | Atzera argia LCD pantaila |
| Energia iturria | Vehicle OBD2 port (powered by vehicle's 12V battery, no internal battery required for operation) |
| Neurriak | 6.69 x 2.76 x 2.76 hazbete (17.0 x 7.0 x 7.0 cm) |
| Pisua | 260 g |
| Onartutako hizkuntzak | 8 hizkuntza |

6. irudia: 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. Bermea eta Laguntza
For warranty information and technical support, please refer to the contact details provided with your product packaging or visit the official Dollarfix webgunea.
Fabrikatzailea: Dollarfix
ASIN: B0CWLDMC1P
UPC: 768297280023




