1. Entwodiksyon
The LAUNCH X431 CRP919E Lite is a professional-grade bidirectional scan tool designed for comprehensive vehicle diagnostics. This device provides extensive capabilities for reading and clearing diagnostic trouble codes, viewing live data, performing active tests, and executing various maintenance and reset services across a wide range of vehicle makes and models. This manual provides essential information for setting up, operating, and maintaining your CRP919E Lite scan tool.
2. Pwodwi souview ak sa ki nan pake
The CRP919E Lite features a robust design with a 7-inch touchscreen and an intuitive Android 8.1 operating system, ensuring efficient and user-friendly operation.

Image: The LAUNCH X431 CRP919E Lite scan tool displayed with its protective carrying case.
2.1. Ki sa ki nan bwat la
Verifye ke tout atik sa yo enkli nan pakè ou a:
- LAUNCH CRP919E Lite Main Unit
- US/UK/EU Power Plug
- Main Diagnostic Cable
- DC Charge Cable
- Manyèl itilizatè
- Gid rapid
- Ka Pwoteksyon Pote

Image: A visual representation of the LAUNCH CRP919E Lite package contents, including the main unit, cables, plugs, and documentation.
3. Enstalasyon ak Konfigirasyon Inisyal
3.1. Alimente sou Aparèy la
- Ensure the device is sufficiently charged. Connect the DC Charge Cable to the device and a power source using the provided power plug if necessary.
- Peze epi kenbe bouton pouvwa a ki sitiye sou kote aparèy la jiskaske ekran an limen.
3.2. Seleksyon Lang
Upon first startup, you will be prompted to select your preferred language. The device supports 11 languages, including English, Spanish, French, German, Russian, Portuguese, Italian, Chinese, Korean, and Japanese.
3.3. Koneksyon Wi-Fi
To access software updates and online features, connect the device to a Wi-Fi network:
- Navigate to the "Settings" menu on the main screen.
- Select "Wi-Fi" and choose your desired network.
- Antre modpas la si yo mande w epi konekte.
3.4. Mizajou lojisyèl
It is recommended to update the software upon initial setup to ensure you have the latest features and vehicle coverage.
- Asire w aparèy la konekte ak Wi-Fi a.
- From the main menu, tap on the "Upgrade" icon.
- Follow the on-screen prompts to download and install available updates. The device includes 2 years of free software updates.
4. Opere Aparèy la
4.1. Connecting to the Vehicle
- Locate the vehicle's OBD2 diagnostic port, typically under the dashboard on the driver's side.
- Connect the Main Diagnostic Cable to the CRP919E Lite and then to the vehicle's OBD2 port.
- Vire kontak machin nan nan pozisyon "ON" (motè a etenn).
4.2. AutoVIN and AutoScan
The AutoVIN and AutoScan functions streamline the diagnostic process:
- From the main menu, tap the "Diagnose" icon.
- Select "AutoVIN" or "AutoScan". The device will automatically identify the vehicle's VIN and initiate a comprehensive scan of all diagnosable Electronic Control Units (ECUs).
- This function is primarily effective on vehicles manufactured from 2006 onwards.

Image: The LAUNCH CRP919E Lite screen displaying an AutoVIN scan in progress, identifying vehicle information.
4.3. Dyagnostik Sistèm Konplè
The CRP919E Lite performs comprehensive diagnostics across all available vehicle systems, including but not limited to:
- Modil kontwòl motè (ECM)
- Sistèm frenaj anti-bloke (ABS)
- Supplemental Restraint System (SRS)
- Modil kontwòl transmisyon (TCM)
- Fren pakin elektwonik (EPB)
- Sistèm Siveyans Presyon Kawotchou (TPMS)
- Capteur ang direksyon (SAS)
- Air Conditioning (A/C)
- Sistèm Jesyon Batri (BMS)
- Electronic Stability Program (ESP)
- Modil Kontwòl Kò (BCM)
- Modil Kontwòl Powertrain (PCM)
Within these systems, you can:
- Li Kòd: Retrieve Diagnostic Trouble Codes (DTCs) to identify specific issues.
- Kòd Klè: Erase DTCs after repairs have been completed.
- View Done vivan: Monitor real-time sensor data in text, graph, or combined formats.
- Friz done ankadreman: View yon aperçu done detèktè yo nan moman yo te tabli yon DTC.
- Enfòmasyon sou ECU: Access control unit details such as part numbers and software versions.

Image: A graphic illustrating the CRP919E Lite connected to a vehicle, performing diagnostics across various systems like ABS, BMS, EPB, and TPMS.
4.4. Analiz kouran done an dirèk
The device offers advanced live data stream capabilities:
- Mòd ekspozisyon miltip: View data in text, graph, or a combined 4-in-1 graph format for easy comparison.
- Dosye ak Lektur: Capture live data streams for later review and analysis, aiding in the diagnosis of intermittent issues.
4.5. Bi-directional Control (Active Tests)
Bi-directional control allows the scan tool to send commands to vehicle ECUs to test specific components or subsystems. This helps in quickly pinpointing faulty components without extensive disassembly.

Image: The CRP919E Lite screen showing active test options, with a car graphic illustrating the command and receive process for component testing.
ExampPami tès aktif yo genyen:
- Fuel Pump On/Off
- Cycle A/C Clutch
- Open/Close Windows
- Radiator Fan Activation
- Tès Buzz Enjektè
- Headlamp Ajisteman
- Window Wipers Settings
- Horn Assessment
- ABS Pump Motor Test
- EVAP Purge/Seal Test
Note: Available active tests vary by vehicle make, model, and year.
4.6. Special Functions and Reset Services
The CRP919E Lite provides over 32 common maintenance and reset services. These functions help in performing routine vehicle maintenance and adaptations.

Image: A collage of icons representing various maintenance services available on the CRP919E Lite, such as Oil Reset, ABS Bleeding, and EPB Reset.
Sèvis kle yo enkli:
- Oil Reset Service: Reyajiste sistèm lavi lwil motè a apre yon chanjman lwil.
- Reyajisteman fren pakin elektwonik EPB a: Reyajiste sistèm fren pakin elektwonik la apre ranplasman plaket fren an.
- Kodaj enjektè: Codes new injector numbers into the ECU when replacing injectors.
- Adaptasyon akseleratè: Initializes throttle actuators to return learned values to default.
- Reyajisteman Capteur Ang Volan SAS la: Performs calibration and clears records for the steering angle sensor.
- Senyen nan ABS: Bleeds the brake system to restore ABS brake sensitivity when air is present.
- Kalibrasyon Windows: Performs window matching to recover ECU initial memory.
- Battery Matching (BAT): Anrejistre ranplasman nouvo batri.
- Reyajiste Filtè Patikil Dizèl (DPF): Initiates DPF regeneration.
- TPMS Reyajiste: Resets tire pressure monitoring system sensors.
- Aprantisaj Ekipman: Performs crankshaft position sensor adaptive learning.
- EGR Adaptation: Adapts the Exhaust Gas Recirculation valve.
- Suspension Matching: Adjusts vehicle height sensor calibration.
- Reyajisteman Capteur NOx: Resets the NOx sensor after replacement.
- AC Initialization: Initializes the air conditioning system.
- Reyajiste AdBlue: Resets the urea system.
- Tèt AFSamp Reyajiste: Resets the Adaptive Front-lighting System.
- Reyajisteman A/F: Ajiste paramèt rapò lè/gaz.
- Senyen likid refwadisman: Removes air from the cooling system.
- Kalibrasyon Syèj: Calibrates seat memory functions.
- Inisyalizasyon twati ouvè: Initializes sunroof memory.
- Chanjman Lang: Changes the display language of the vehicle's instrument cluster.
Note: The availability of specific functions depends on the vehicle's make, model, and year.
4.7. Aksè Oto-otorizasyon FCA
The CRP919E Lite supports secure access to FCA (Fiat Chrysler Automobiles) vehicles from 2017 and newer, allowing diagnostics and special functions on models like Chrysler, Dodge, Jeep, and Fiat. To use this feature:
- Ensure the scan tool has the latest software updates and is connected to the internet.
- When prompted on the tool for SGW (Security Gateway) vehicles, enter your AutoAuth credentials.
4.8. OBD2 Test Modes
The device supports all 10 test modes of OBDII/EOBD/CAN standards for vehicles manufactured from 1996 to 2025:
- Li Kòd
- Klè klè
- Difizyon Done An Dirèk
- Glase ankadreman
- Sou-Komisyon Konsèy Tès ki monitè kè bebe
- O2 Tès sensor
- Li Enfòmasyon sou Veyikil la
- Tès Component
- I/M Preparasyon
- Tès Sistèm EVAP
5. Antretyen
5.1. Mizajou lojisyèl
Regular software updates are crucial for maintaining optimal performance and expanding vehicle coverage. The CRP919E Lite offers 2 years of free updates via one-click Wi-Fi. After this period, the device will continue to function, but new updates will require a subscription.
5.2. Swen batri
The device is equipped with a 6000 mAh lithium-ion battery. To prolong battery life:
- Evite tanperati ekstrèm.
- Charge the device regularly, but avoid overcharging for extended periods.
- If storing the device for a long time, ensure it has a partial charge (around 50%).
The device also features a real-time battery voltage monitor to help you keep track of your vehicle's electrical system.
5.3. Netwaye Aparèy la
Sèvi ak yon mou, damp cloth to clean the screen and exterior of the device. Avoid using abrasive cleaners or solvents.
NAN. Depanaj
6.1. DTC Help and Code Search
When the CRP919E Lite displays an error code, the "DTC Help" feature can provide definitions and potential repair guidance. You can also use the "Code Search" function to find more online resources and tips.
6.2. Diagnostic History and Reports
The device automatically records diagnostic processes, allowing for later review and analysis. Diagnostic reports can be generated, shared via Wi-Fi or email, and printed for documentation or customer records.
6.3. Online Feedback
If you encounter unresolved issues or have suggestions, the "Online Feedback" feature allows you to submit detailed reports directly through the device, including interactive data logging sessions.
6.4. Expansion Modules
The CRP919E Lite is compatible with optional expansion modules, sold separately, to enhance its capabilities:
- BST360 Battery Tester: For comprehensive battery health, starting system, and charging system tests.
- X431 i-TPMS TSGUN: For professional TPMS diagnostics, sensor activation, relearn, and programming.
7. Espesifikasyon
| Karakteristik | Spesifikasyon |
|---|---|
| Sistèm operasyon | Android 8.1 |
| Ekspozisyon | 7-inch Touchscreen (1024*600 pixels) |
| memwa | 3GB RAM + 32GB ROM |
| Batri | 6000 mAh Lityòm Ion |
| Koneksyon | 2.4GHz Wi-Fi, USB-C |
| Dimansyon | 16.6 x 13.8 x 4.8 pous |
| Pwa atik | 5.79 liv |
| Pwotokòl sipòte | ISO9141-2, ISO14230-2, ISO15765, SAE-J1850 VPW, K/L-Line, SAE-J1850PWM, ISO 11898, SAE J2610, etc. |
8. Garanti ak sipò
LAUNCH provides comprehensive support for the CRP919E Lite scan tool:
- Garanti: A 5-year brand warranty covers manufacturing defects.
- Mizajou lojisyèl: Enjoy 2 years of free software updates from the date of purchase. After this period, the device remains functional, but new updates will require a subscription.
- Sipò teknik: Lifetime technical support is available 24/7/365.
- Règleman retounen: A 60-day refund and replacement policy is provided.
For any issues or inquiries, please contact technical support at cardiag-aftersales@hotmail.com.





