KONNWEI ELM327 V1.5 OBD2 Scanner User Manual

1. Einleitung

The KONNWEI ELM327 V1.5 OBD2 Scanner is a compact and powerful diagnostic tool designed to connect to your vehicle's On-Board Diagnostics (OBD-II) port. It utilizes a PIC18F25K80 microchip and Bluetooth-Compatible 5.0 technology to communicate wirelessly with your Android or iOS smartphone or tablet. This device allows you to read and clear diagnostic trouble codes, monitor real-time sensor data, and perform various other diagnostic functions to help you understand and maintain your vehicle.

2. Sicherheitshinweise

• Always operate your vehicle in a safe manner. Do not attempt to use the scanner or read data while driving.
• Ensure the vehicle is parked on a level surface with the parking brake engaged before connecting or disconnecting the device.
• Setzen Sie das Gerät keinen extremen Temperaturen, Feuchtigkeit oder korrosiven Substanzen aus.
• Bewahren Sie das Gerät außerhalb der Reichweite von Kindern auf.
• Konsultieren Sie einen qualifizierten Mechaniker, wenn Sie sich bezüglich Diagnoseergebnissen oder Fahrzeugreparaturen unsicher sind.

3. Produktmerkmale

The ELM327 V1.5 (Wireless BT5.0) offers a range of features for comprehensive vehicle diagnostics:

• Kleine Abmessungen und kompakte Bauweise für einfache Plug-and-Play-Funktionalität.
• Stable wireless connection via Bluetooth-Compatible 5.0.
• No external wires or batteries required; powered by the vehicle's 12V battery.
• Automatic sleep mode after 30 minutes of no communication, with ultra-low power consumption (less than 10mA).
• Supports all OBDII protocols for widest vehicle coverage.
• Equipped with a fast communication mode and reliable PIC18F25K80 chip, supporting up to 30 PIDs/second.
• True ON-OFF button for manual power control.

4. Einrichtung und Verbindung

4.1 Fahrzeugkompatibilität

This ELM327 adapter is designed to work with all OBD-II Compliant vehicles. Please refer to the following guidelines:

• Vereinigte Staaten: 1996 or newer model year vehicles (e.g., Chrysler, Ford, GM, Jeep).
• Europäische Union: 2004 or newer model year vehicles (e.g., Alfa Romeo, SAAB, Acura, Opel, Audi, Seat, Peugeot, Renault after 2009, Bentley, Skoda, Daewoo, Benz, Daihatsu, Land Rover, BMW, Vauxhall, Citroen, Volvo, Fiat, VW, Ford, Jaguar). Note: Does not support Renault Clio 2.
• Asian Car Makes: 2008 or newer model year vehicles (e.g., KIA, Isuzu, Honda, Mitsubishi, Hyundai, Dacia, Lexus, Mazda, Nissan, Subaru, Suzuki, Toyota).

Important Notes for Special Car Models:

• For Lada/VAZ/UAZ: Do not purchase if your car is before 2006.
• For Ssangyong: Do not purchase if your car is before 2008.
• For Renault - Dacia - Logan: Do not purchase if your car is before 2009.

Even though it is compatible with most cars, but different regions support the vehicle OBD2 protocol at different times, or some car is spercial design, so it may not compatible with some cars which do not support OBD2 protocol. If you are unsure, please consult your vehicle's manual or contact the seller.

4.2 Verbindung zu Ihrem Fahrzeug

1. Starten Sie den Motor Ihres Autos.
2. Locate your vehicle's 16-pin OBD-II diagnostic port. This port is usually located under the dashboard on the driver's side.
3. Connect the KONNWEI ELM327 scanner to the OBD-II port. Ensure it is securely plugged in.

4.3 Bluetooth Pairing (BLE5.0 Dual Mode Version)

The KW902 supports both Android and iOS devices. Follow the steps below for your specific operating system:

Für Android-Benutzer:

1. From your phone's Home screen, go to the Einstellungen Seite.
2. Navigieren Sie zu Bluetooth settings and turn it on.
3. Suchen nach verfügbare Geräte und Auswahl V-LINK (or KONNWEI). The default password is "1234".
4. Once the device is paired, open your preferred OBD-II application (e.g., Torque app).
5. In the app's settings, go to OBD II adapter settings.
6. Choose connection type: Bluetooth.
7. Choose Bluetooth device: V-LINK (or KONNWEI).
8. Exit the Torque app completely and then re-run it. The device should now be connected.

Für iOS-Benutzer:

1. From your phone's Home screen, go to the Einstellungen Seite.
2. Klicken Sie auf das Bluetooth function and ensure it is turned on. (Note: The device name may be invisible in the iOS Bluetooth device list).
3. Open your preferred OBD-II application (e.g., Accurate app).
4. Go to the app's Einstellungen Seite.
5. Wählen Bluetooth and connect to the device from within the app.
6. Exit the Accurate app completely and then re-run it. The device should now be connected.

5. Bedienung

Once connected, you can use your chosen OBD-II application to perform various diagnostic tasks. The device allows you to:

• Diagnosefehlercodes (DTCs) lesen: Retrieve both generic and manufacturer-specific codes.
• Fehlercodes löschen: Störungsanzeige L ausschaltenamp (MIL), auch bekannt als die „Check Engine“-Leuchte.
• Aktuelle Sensordaten anzeigen: Monitor real-time operating performance of your car, including:
  • Motordrehzahl
  • Berechneter Ladewert
  • Kühlmitteltemperatur
  • Kraftstoffsystemstatus
  • Fahrzeuggeschwindigkeit
  • Kurzfristige Kraftstoffanpassung
  • Langfristige Kraftstoffanpassung
  • Ansaugkrümmerdruck
  • Timing Advance
  • Ansauglufttemperatur
  • Luftdurchsatz
  • Absolute Gasposition
  • Sauerstoffsensorvolumentages/zugehörige kurzfristige Kraftstoffkorrekturen
  • Treibstoffdruck
• Measure Fuel Consumption.
• Daten herunterladen: Save diagnostic data to external media in various formats for later analysis or printing.
• Record Parameters: Record various parameters and display real-time graphics.

6. Wartung

• Reinigung: Reinigen Sie das Gerät mit einem weichen, trockenen Tuch. Verwenden Sie keine Scheuermittel oder Lösungsmittel.
• Lagerung: Bewahren Sie das Gerät an einem kühlen, trockenen Ort fern von direkter Sonneneinstrahlung und extremen Temperaturen auf.
• Energieverwaltung: The device features an auto-sleep mode, activating after 30 minutes of inactivity to conserve power. The blue ON/OFF button can be used to manually reset or wake up the device. Due to its ultra-low sleep mode consumption (less than 10mA), it is generally safe to leave it plugged into your car overnight.

7. Fehlerbehebung und FAQ

Q1: What is the version of the ELM327?

A1: This is the real V1.5 High Quality version, featuring the original Microchip PIC18F25K80. It operates at a frequency of 4MHz (crystal oscillator) and supports ATAL and ATPPS commands, as well as all OBD2 vehicles.

Q2: What is the difference between V1.5 and V2.1? How can I check it?

A2: Our ELM327 is 100% V1.5, which supports a full set of 10 protocols, including J1850 & J1939 Protocols crucial for Japanese and American cars. Other ELM327 versions (often V2.1) may only support 7 or 9 protocols. You can often check the version within your diagnostic application (e.g., ELM327 Identifier app).

Q3: Does this adapter support diesel cars or trucks? Is it working with iOS?

A3: Yes, the ELM327 protocol generally supports diesel vehicles. This specific KW902 model features Bluetooth-Compatible 5.0 and is designed to work with both Android and iOS devices. Ensure your diagnostic application is compatible with Bluetooth 5.0 Low Energy (BLE) for optimal performance with iOS.

Q4: What functions can I perform with the ELM327?

A4: The device allows you to read, erase, and display diagnostic trouble codes (both standard and manufacturer-specific), measure fuel consumption, display real-time operating performance (e.g., engine RPM, vehicle speed, temperatures, pressures), turn off the "Check Engine" light, download data, and record various parameters for real-time graphical display.

Q5: What is the function of the ON/OFF button?

A5: The blue ON/OFF button is used to reset or wake up the device. This new design incorporates an auto-sleep mode, which activates after 30 minutes of no communication. The sleep mode consumes very little power (only 10mA), so you don't need to worry about draining your car battery if you leave it plugged in overnight.

8. Spezifikationen

9. Benutzertipps

• App-Auswahl: For Android, popular apps like "Torque" are widely used. For iOS, look for apps specifically designed for ELM327 Bluetooth LE (Low Energy) devices, as standard Bluetooth pairing might not show the device name.
• Kompatibilitätsprüfung: Always double-check your vehicle's compatibility with OBD-II standards and the specific year ranges mentioned in Section 4.1 before use.
• Firmware Version: If your diagnostic app shows a different ELM327 version (e.g., V2.1), it might be a clone. The KW902 is advertised as a true V1.5.
• Energiesparen: Nutzen Sie den Vorteiltage of the auto-sleep feature. The ON/OFF button is there if you need to manually cycle power or wake the device.

10. Garantie und Support

For specific warranty details, please refer to the documentation provided with your purchase or contact the seller directly. This product includes an English User Manual in the package for additional guidance.