1. Introduktion
The LAUNCH CRP123E Plus OBD2 Scanner is a comprehensive diagnostic tool designed for automotive professionals and enthusiasts. It provides full system diagnostics, along with essential reset services such as Oil Reset, Steering Angle Sensor (SAS) Calibration, and Throttle Adaptation. This manual provides detailed instructions for setting up, operating, and maintaining your device.
2. Produktet er slutview
2.1 Nøglefunktioner
- Fuld systemdiagnostik: Access and diagnose all available vehicle systems (Engine, ABS, SRS, Transmission, etc.).
- 3 hurtige nulstillingstjenester: Includes Oil Reset, SAS Calibration, and Throttle Adaptation.
- Livstids gratis opdateringer: Software updates via Wi-Fi for continuous improvement and vehicle coverage.
- 4-i-1 live datastrøm: Display multiple data parameters simultaneously for detailed analysis.
- Batteri Voltage Test: Overvåg batteriniveau i realtidtage for 12V vehicles.
- Automatisk VIN-scanning: Automatically identify vehicle information for quick diagnostics.
- DTC-opslagsbibliotek: Built-in database for quick understanding of diagnostic trouble codes.
- 5-tommer HD-berøringsskærm: User-friendly interface with touch and button operation.
- Android 7.0-operativsystem: Sikrer hurtig og effektiv ydeevne.
- Bred dækning af køretøjer: Supports over 150 car brands and 100,000+ models (1996-2025).
- Flersproget support: Available in 11 languages including English, French, Spanish, German, and Japanese.
2.2 Hvad er der i æsken
- 1 x LAUNCH CRP123E PLUS Diagnostic Tool
- 1 x 5V Charging Cable
- 1 x OBD2-diagnosekabel
- 1 x Package Case
- 1 x Quick Start Guide
- 1 x brugermanual

Figur 2.2.1: The LAUNCH CRP123E Plus OBD2 Scanner and its included components, such as the diagnostic tool, cables, and carrying case.
3. Opsætning
3.1 Indledende opladning
- Connect the provided 5V Charging Cable to the scanner's USB-C port.
- Plug the other end of the charging cable into a compatible USB power adapter (not included) or a computer USB port.
- Allow the device to charge fully before first use. The battery indicator on the screen will show charging status.
3.2 Tænding og indledende konfiguration
- Tryk og hold tænd/sluk-knappen nede for at tænde enheden.
- Follow the on-screen prompts to select your preferred language, time zone, and Wi-Fi network.
- Connect to a stable Wi-Fi network to enable software updates and online features.
3.3 Softwareopdatering
It is recommended to update the software immediately after initial setup to ensure you have the latest vehicle coverage and features.
- Fra hovedmenuen skal du trykke på ikonet "Opgrader".
- The system will check for available updates. Select the desired software packages (e.g., specific car brands) and tap "Update".
- Ensure a stable Wi-Fi connection during the update process. This may take some time depending on the number and size of updates.

Figur 3.3.1: The "Upgrade" screen showing available software updates for various vehicle brands.
4. Betjeningsvejledning
4.1 Tilslutning til køretøjet
- Find køretøjets OBD2-port, typisk under instrumentbrættet i førersiden.
- Connect the OBD2 Diagnostic Cable to the scanner and then to the vehicle's OBD2 port.
- Drej bilens tænding til "ON"-positionen (motoren er slukket).
- The scanner will automatically power on and establish communication with the vehicle.
4.2 Fuld systemdiagnostik
This function allows you to scan all available electronic control units (ECUs) in the vehicle to read and clear diagnostic trouble codes (DTCs) and view live data.
- Tryk på ikonet "Diagnose" i hovedmenuen.
- Vælg køretøjsproducent og model.
- Choose "Auto Search" or manually select the system you wish to diagnose (e.g., Engine, ABS, SRS, Transmission).
- The scanner will perform a comprehensive scan and display any detected fault codes.
- You can then choose to "Read Codes" for detailed descriptions or "Clear Codes" to erase them (ensure the underlying issue is resolved before clearing).

Figur 4.2.1: The diagnostic tool connected to a vehicle, illustrating its capability to perform full system diagnostics across various vehicle components.
4.3 OBD2/EOBD Functions
Access standard OBD2 diagnostic functions applicable to all OBD2 compliant vehicles.
- Læs koder: Viser aktuelle, ventende og permanente diagnosticeringsfejlkoder (DTC'er).
- Ryd koder: Sletter DTC'er fra bilens computer og slukker fejlindikatoren Lamp (MIL).
- I/M parathed: Kontrollerer emissionsovervågningssystemernes beredskab.
- Live data: Viser datastrøm i realtid fra køretøjets sensorer i tekst- eller grafformat.
- Frysestativ: Records a snapshot of operating conditions when an emission-related fault occurs.
- O2-sensortest: Henter testresultater fra O2-sensormonitoren.
- Test af indbygget skærm: Henter resultater for emissionsrelaterede drivlinjekomponenter og -systemer.
- Test af fordampningssystem: Initiates a test of the evaporative emission system.
- Køretøjsoplysninger: Retrieves VIN, Cal ID, and CVN.

Figur 4.3.1: The main menu showing icons for various OBD2 diagnostic functions, including reading and clearing codes, I/M readiness, and live data.
4.4 Reset Services
The CRP123E Plus offers three commonly used maintenance reset services.
- From the main menu, tap the "Reset" icon.
- Select the desired reset function:
- Olie nulstilling: Resets the engine oil life system, which calculates an optimal oil change interval based on vehicle driving conditions and climate.
- SAS kalibrering: Performs calibration for the Steering Angle Sensor, which stores the vehicle's current steering wheel position as the straight-ahead position.
- Tilpasning af gashåndtaget: Initializes the throttle actuators to the default state for regulating throttle (or idle) operations accurately.
- Follow the on-screen instructions to complete the selected reset procedure.

Figur 4.4.1: Visual representation of the three hot reset services: Oil Reset, SAS Reset, and Throttle Adaptation, with "Before" and "After" indicators.
4.5 Data Stream and Battery Voltage Test
- Live datastrøm: Tap the "Data" icon to view real-time sensor data. The device supports displaying up to four data streams simultaneously for comparative analysis.
- Batteri Voltage Test: Tap the "Battery Voltage" icon to monitor the real-time voltage of the vehicle's 12V battery in a graphical format.

Figur 4.5.1: The screen showing four live data streams displayed simultaneously for comprehensive vehicle monitoring.

Figur 4.5.2: The device screen displaying a real-time graph of the vehicle's battery voltage.
4.6 Diagnostic Report and Auto VIN
- Diagnostisk rapport: After a diagnostic scan, the device can automatically generate a diagnostic report. This report can be shared or printed via Wi-Fi for record-keeping or further analysis.
- Bilens stelnummer: This feature automatically identifies the vehicle's Vehicle Identification Number (VIN) for quick and accurate vehicle identification, streamlining the diagnostic process.

Figur 4.6.1: The device screen showing the Auto VIN scan in progress, identifying the vehicle's unique identification number.
5. Vedligeholdelse
5.1 Softwareopdateringer
Regularly update your CRP123E Plus software to ensure optimal performance, access to new features, and expanded vehicle compatibility. Updates are free for life and can be performed via Wi-Fi.
- Tilslut enheden til et stabilt Wi-Fi-netværk.
- Tap the "Upgrade" icon on the main menu.
- Select the updates you wish to install and confirm.
- Allow the device to complete the download and installation process without interruption.
5.2 Rengøring og opbevaring
- Rengør enheden med en blød, damp klæde. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- Store the scanner in its protective case when not in use to prevent damage.
- Hold enheden væk fra ekstreme temperaturer, direkte sollys og fugt.
6. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tænder ikke. | Lavt batteri; defekt forbindelse. | Charge the device fully. Ensure the OBD2 cable is securely connected to both the scanner and the vehicle. |
| Kommunikationsfejl med køretøjet. | Incorrect vehicle protocol; loose connection; vehicle ignition off. | Verify the OBD2 cable connection. Ensure vehicle ignition is ON. Check if the vehicle is OBD2 compliant. Try a different vehicle if possible to isolate the issue. |
| Softwareopdatering mislykkes. | Ustabil Wi-Fi-forbindelse; utilstrækkelig lagerplads. | Ensure a strong and stable Wi-Fi connection. Check available storage space on the device. Restart the update process. |
| Specific reset function not working. | Vehicle incompatibility; incorrect procedure. | Verify if the specific reset function is supported for your vehicle's make, model, and year. Follow the on-screen instructions carefully. Consult the vehicle's service manual. |
For further assistance, utilize the built-in DTC Lookup Library, Google DTC Codes Search, Automotive Technology handbook, Repair Case, and How-to Videos available on the device. If the problem persists, use the "Diagnostic Feedback" assistance feature to contact support.

Figur 6.1: The DTC Lookup interface, allowing users to search for diagnostic trouble code definitions.
7. Specifikationer
| Model | CRP123E PLUS Elite |
| Operativsystem | Android 7.0 |
| Skærm | 5-tommer HD-touchskærm |
| Hukommelse | 16 GB |
| Batteri | 6100mAh litium-ion (inkluderet) |
| Forbindelse | Wi-Fi (2.4 & 5 GHz), OBD2 Cable |
| Produktdimensioner | 9.9 cm L x 7 cm B x 3.1 cm H |
| Varens vægt | 2.25 pund |
| Understøttede protokoller | ISO CANBUS, SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO14230-4 KWP, ISO15765-4 CAN |
| Understøttede sprog | English, French, Spanish, German, Russian, Korean, Japanese, Portuguese, Italian, Traditional Chinese, Polish |
8. Garanti og support
8.1 Garantioplysninger
The LAUNCH CRP123E Plus OBD2 Scanner comes with a comprehensive warranty. Please refer to the included warranty card or contact LAUNCH customer service for specific terms and conditions.
8.2 Teknisk support
LAUNCH provides dedicated 24/7 technical support for any questions or concerns you may have regarding your device.
- Onlinefeedback: Use the "Diagnostic Feedback" feature on the device for direct assistance.
- DTC Lookup & Online Search: Utilize the built-in resources for immediate problem-solving.
- Kontaktoplysninger: Refer to the official LAUNCH website or the Quick Start Guide for contact details for technical support.





