1. Introduktion
The KONNWEI KW590 is a universal OBD2 diagnostic scanner designed to assist vehicle owners and technicians in quickly identifying and resolving engine-related issues. This device is compatible with all 1996 and newer OBDII compliant vehicles, including those from the United States, Europe, and Asia. It provides essential diagnostic functions such as reading and clearing fault codes, viewing live data, and performing I/M readiness tests.
This manual provides detailed instructions on how to set up, operate, maintain, and troubleshoot your KW590 scanner to ensure optimal performance and accurate diagnostics.

Figure 1.1: KONNWEI KW590 OBD2 Scanner with its diagnostic cable, USB cable, and a display of compatible car brands.
2. Vigtige sikkerhedsoplysninger
- Udfør altid biltest i et sikkert miljø.
- Wear eye protection and safety clothing when testing.
- Hold tøj, hår, hænder, værktøj, testudstyr osv. væk fra alle bevægelige eller varme motordele.
- Betjen køretøjet i et godt ventileret arbejdsområde; udstødningsgasser er giftige.
- Sæt klodser foran drivhjulene og efterlad aldrig køretøjet uden opsyn, mens du kører test.
- Vær yderst forsigtig, når du arbejder i nærheden af tændspolen, fordelerdækslet, tændledningerne og tændrørene. Disse komponenter skaber farlige dampe.tagnår motoren kører.
- The KW590 scanner operates only with a 12V vehicle battery. Do not connect it to other voltage kilder.
- Ensure the vehicle's ignition is OFF before connecting or disconnecting the scanner.
- This device is designed for gasoline-powered 12V vehicles only. It is not compatible with diesel vehicles.
3. Pakkens indhold
Når du åbner pakken, skal du kontrollere, at alle følgende varer er inkluderet:
- 1 x KONNWEI KW590 OBDII/EOBD Scanner Unit
- 1 x OBDII Diagnostic Cable (16-pin)
- 1 x USB-kabel
- 1 x Brugermanual (dette dokument)

Figure 3.1: Contents of the KONNWEI KW590 package, showing the scanner, OBDII cable, USB cable, and user manual.
4. Produktet er slutview
The KW590 scanner features a compact design with an easy-to-read backlit LCD screen and intuitive button controls. It is powered directly from the vehicle's OBDII port, eliminating the need for external batteries or chargers during operation.

Figur 4.1: Forside view of the KW590 scanner, highlighting the LCD display, ESC, ENTER, and navigation buttons.
4.1 Enhedskomponenter
- LCD-skærm: 2.8-inch backlit screen for displaying diagnostic information.
- ESC knap: Afslutter den aktuelle menu eller annullerer en handling.
- ENTER knap: Bekræfter et valg eller går ind i en menu.
- Op/ned pileknapper: Navigates through menu options and data.
- OBDII-stik: 16-pin connector for linking to the vehicle's Data Link Connector (DLC).
- USB-port: Til tilslutning til en computer for softwareopdateringer og dataudskrivning.

Figur 4.2: Side view of the KW590 scanner, showing the mini-USB port for PC connection.
5. Opsætning og tilslutning
Follow these steps to connect the KW590 scanner to your vehicle:
- Find bilens 16-bens datalinkstik (DLC). Dette er normalt placeret under instrumentbrættet i førersiden.
- Sørg for, at køretøjets tænding er i OFF-positionen.
- Plug the OBDII diagnostic cable into the vehicle's DLC. Ensure a secure connection.
- Once connected, turn the vehicle's ignition to the ON position (engine can be off or running, depending on the test). The scanner will automatically power on and display the main menu.

Figure 5.1: The KW590 scanner connected to a vehicle's OBDII port, ready for operation.
6. Betjeningsvejledning
The KW590 scanner offers various diagnostic functions accessible through its main menu. Use the Up/Down arrow buttons to navigate and the ENTER button to select.

Figure 6.1: The main Diagnostic Menu of the KW590 scanner.
6.1 Nøglefunktioner
- Læs koder: Retrieves Diagnostic Trouble Codes (DTCs) from the vehicle's computer. This includes generic (P0, P2, P3, U0) and manufacturer-specific (P1, P3, U1) codes. The scanner displays the DTC definitions directly on the screen.
- Slet koder: Clears DTCs from the vehicle's computer and turns off the Check Engine Light (MIL). This also resets monitors. Forsigtighed: Hvis du rydder koder uden at løse det underliggende problem, vil det sandsynligvis resultere i, at koderne dukker op igen.
- Live data: Displays real-time data stream from the vehicle's sensors, such as engine RPM, vehicle speed, O2 sensor readings, etc.
- View Frys rammedata: Shows a snapshot of the vehicle's operating conditions at the moment an emission-related fault occurred.
- I/M-parathedsstatus: Checks the readiness of the emission-related monitoring systems. This is useful for determining if the vehicle is ready for an emissions test.
- O2-sensortest: Henter testresultater for O2-sensormonitoren for de senest gennemførte test fra køretøjets indbyggede computer.
- Test af indbygget skærm: Henter testresultater for emissionsrelaterede drivlinjekomponenter og -systemer, der ikke overvåges kontinuerligt.
- Køretøjsoplysninger (VIN, CIN, CVN): Henter køretøjets identifikationsnummer, kalibrerings-ID og kalibreringsbekræftelsesnummer.
- DTC-opslagsbibliotek: Built-in library to look up definitions of DTCs.

Figur 6.2: Eksample of a fault code (P0209) displayed on the KW590 screen with its description.
6.2 Indikatorlys
The scanner features indicator lights to provide quick status feedback:
- Grøn LED: Indicates that the engine system is running normally.
- Rød LED: Indicates there are one or more problems with the vehicle's system.
- Gul LED: Indicates there is a pending problem or a system that cannot run diagnostic testing.
7. Software opdatering
The KW590 scanner supports lifetime free software updates via the internet. This ensures you have the latest bug fixes and newly added parameters. To update the software:
- Download opdateringsværktøjet fra den officielle KONNWEI website (refer to the website address provided in the original packaging or product documentation).
- Installer opdateringsværktøjet på din computer.
- Tilslut KW590-scanneren til din computer med det medfølgende USB-kabel.
- Launch the update tool and follow the on-screen instructions to download and install the latest firmware onto your device.
8. Data Printing
You can print diagnostic data and reports from your KW590 scanner using a computer. This feature allows you to keep records or share them with a mechanic.
- Ensure the KW590 scanner is connected to your computer via the USB cable.
- Open the KONNWEI update/data management software on your computer.
- Navigate to the data review or print function within the software.
- Select the data you wish to print and follow the software's instructions to generate and print the report.
9. Fejlfinding
This section addresses common issues you might encounter while using the KW590 scanner.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Scanneren tænder ikke. |
|
|
| Meddelelsen "LINKFEJL" vises. |
|
|
| Kan ikke slette koder. |
|
|
10. Specifikationer
| Vise: | 2.8-tommer baggrundsbelyst LCD-skærm |
| Operation Voltage: | 12V DC (from vehicle OBDII port) |
| Understøttede protokoller: | SAE J1850 PWM, SAE J1850 VPW, ISO9141-2, ISO14230-4 KWP (5 Baud Init, Fast Init), ISO15765-4 CAN (11bit ID, 29bit ID, 250 Kbaud, 500 Kbaud) |
| Driftstemperatur: | 0 til 60°C (32 til 140°F) |
| Opbevaringstemperatur: | -20 til 70°C (-4 til 158°F) |
| Dimensioner: | Cirka 12.5 cm (længde) x 7 cm (bredde) x 2 cm (tykkelse) |
| Vægt: | Ikke specificeret |
| Understøttede sprog: | Engelsk, spansk, fransk, tysk, hollandsk |

Figure 10.1: Physical dimensions of the KW590 scanner.
11. Garanti og support
11.1 Garantioplysninger
The KONNWEI KW590 scanner comes with a 12-month quality warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accident, unauthorized modification, or improper installation.
Additionally, a 30-day return policy is offered for any reason, allowing customers to return the product within 30 days of purchase if unsatisfied.
11.2 Teknisk support
For technical assistance, troubleshooting guidance, or warranty claims, please contact KONNWEI customer support. Refer to the contact information provided in your product packaging or on the official KONNWEI webwebsted.
Regular software updates are available free of charge for the lifetime of the product to ensure compatibility with new vehicle models and to provide the latest diagnostic features. Visit the official KONNWEI website for software downloads and support resources.





