LAUNCH CRP123E V3.0 Car OBD2 Scanner User Manual

1. Safety Precautions and Warnings

To prevent personal injury or damage to vehicles and/or the tool, carefully read this user's manual and observe the following safety precautions at a minimum whenever working on a vehicle:

• There are no user-serviceable parts inside the device. Service should only be performed by a qualified repair person using identical replacement parts. Disassembling the device will void the warranty.
• Caution: This tool contains an internal Lithium Polymer battery. The battery can burst or explode, releasing hazardous chemicals. To reduce the risk of fire or burns, do not disassemble, crush, pierce, or dispose of the battery in fire or water.
• This product is not a toy. Do not allow children to play with or near this item.
• Do not expose the device to rain or wet conditions.
• Do not place the device on any unstable surface.
• Never leave the device unattended during the charging process. The device must be placed on a non-flammable surface during charging.
• Handle the device with care. If the device is dropped, check for breakage and any other conditions that may affect its operation.
• Do not operate the tool in explosive atmospheres, such as in the presence of flammable liquids, gases, or heavy dust.
• Keep the tool dry, clean, and free of oil, water, or grease. Use a mild detergent on a clean cloth to clean the enclosure of the device when necessary.
• People with pacemakers should consult their physician(s) before use. Electromagnetic fields in close proximity to heart pacemakers could cause interference or failure.
• Always perform automotive testing in a safe environment.
• Do not attempt to operate or observe the tool while driving a vehicle. Operating or observing the tool will cause driver distraction and could cause a fatal accident.
• Wear safety eye protection that meets ANSI standards.
• Keep clothing, hair, hands, tools, test equipment, and other objects away from all moving or hot engine parts.
• Operate the vehicle in a well-ventilated work area. Exhaust gases are poisonous.
• Chock the drive wheels and never leave the vehicle unattended while running tests.
• Use extreme caution when working around the ignition coil, distributor cap, ignition wires, and spark plugs. These components create hazardous voltages when the engine is running.
• Put the transmission in P (for A/T) or N (for M/T) and make sure the parking brake is engaged.
• Keep a fire extinguisher suitable for gasoline/chemical/electrical fires nearby.
• Do not connect or disconnect any test equipment while the ignition is on or the engine is running.

2. Product Overview

The LAUNCH CRP123E V3.0 is a professional OBD2 diagnostic scanner designed for car owners and DIYers. It provides comprehensive diagnostics for four main vehicle systems and offers seven essential reset services. This tool is an upgraded version, supporting advanced protocols like CAN FD and DOIP, and is compatible with the BST360 battery clips (sold separately).

2.1 Key Features

• 4 System Diagnostic: Engine, Transmission, Anti-lock Braking System (ABS), and Supplemental Restraint System (SRS/Airbag).
• 7 Reset Services: Oil Reset, Electronic Parking Brake (EPB) Reset, Steering Angle Sensor (SAS) Reset, Battery Management System (BMS) Reset, ABS Bleeding, Diesel Particulate Filter (DPF) Regeneration, and Electronic Throttle Relearn.
• Full OBD2 Functions: Supports all 10 OBD-II test modes for comprehensive engine system diagnostics.
• Auto-VIN Smart Diagnostic: Quickly identifies vehicle information for faster diagnostics.
• Lifetime Free Update: Software updates are available online via Wi-Fi.
• Battery Voltage Test: Monitors vehicle battery voltage in real-time.
• Multi-Language Support: Supports 11 languages including English, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, and Spanish.
• Diagnostic Reports: Generates, records, and allows sharing/printing of diagnostic reports.
• FCA AutoAuth Support: Optional support for FCA vehicles.
• Expandable Functions: Additional functions can be purchased through the device's 'Mall' feature.

2.2 CRP123E V3.0 vs. CRP123I V3.0

Both models support the same functions and vehicle models. The primary difference lies in their configuration:

• CRP123E V3.0: Features a full touchscreen interface.
• CRP123I V3.0: Features a combination of buttons and a touchscreen interface.

2.3 Vehicle Coverage

This diagnostic tool is designed to work with all OBD II compliant vehicles, including those with Controller Area Network (CAN). It covers over 57 car brands and 10,000+ vehicle models from 1996 to 2026, including vehicles from Europe, America, and Asia. Specific functions may vary by vehicle's make, model, and year.

The tool supports protocols such as EOBD/OBDII/KOBD/JOBD. For newer vehicles, it supports expansion of CAN FD and DOIP protocols. An extra CAN-FD adapter is needed for GM (2019+) and Chrysler (2019+). An extra DOIP adapter is needed for BMW (2018+) and Land Rover/Jaguar (2017+). FCA AutoAuth is supported for 2017+ FCA cars (Chrysler, Dodge, Fiat, Jeep etc.).

2.4 OBD II Definitions

The OBD II system monitors emission control systems and key engine components. It provides information on Malfunction Indicator Light (MIL) status, Diagnostic Trouble Codes (DTCs), and Readiness Monitor status.

• EOBD: European On-Board Diagnostics, similar to OBD II.
• Communication Protocols: Methods for vehicle systems to communicate. This tool supports CAN Bus, J1850 VPW, ISO 9141-2, J1850 PWM, and ISO 14230 KWP.
• PCM (Powertrain Control Module): The vehicle's on-board computer controlling engine management, emissions, and transmission.
• DLC (Data Link Connector): The 16-cavity connector for diagnostic tool interface.
• MIL (Malfunction Indicator Light): The 'Check Engine' warning light.
• DTC (Diagnostic Trouble Code): A code stored in the computer's memory indicating a fault.
• Freeze Frame Data: Operating conditions stored when a DTC is set.
• PID (Parameter Identification Data): Data returned by vehicle control modules.
• Monitors: Diagnostic routines run by the PCM to test emissions-related components.
• Enabling Criteria: Conditions required for monitors to run.
• Trip: A driving event where all enabling criteria for a monitor are met.
• Drive Cycle: A specific vehicle operation mode to set all readiness monitors.
• Warm-up Cycle: Vehicle operation after engine off, where engine temperature rises to specific levels.
• Fuel Trim (FT): Adjustments to the base fuel schedule.

2.5 Diagnostic Trouble Codes (DTCs)

DTCs are stored by the on-board computer in response to a problem. They guide technicians to the problem area. Do not replace parts based solely on DTCs without consulting the vehicle's service manual.

DTCs consist of a five-digit alphanumeric code:

• 1st character: Letter (B, C, P, or U) identifies the main system (Body, Chassis, Powertrain, or Network).
• 2nd character: Numeric digit (0-3) identifies the type of code (Generic or Manufacturer-Specific).
• 3rd character: Letter or numeric digit (0-9, A-F) identifies the specific system or sub-system.
• 4th and 5th characters: Letters or numeric digits (0-9, A-F) identify the section of the system that is malfunctioning.

3. Setup and Initial Use

3.1 Charging the Tool

The tool can be charged using two methods:

• Via Charging Cable: Plug one end of the included charging cable into the Type-C port of the tool and the other end into an external power supply.
• Via Diagnostic Cable: Insert one end of the diagnostic cable into the DB-15 connector of the tool and the other end into the vehicle's Data Link Connector (DLC).

The charging LED will illuminate solid green when the battery is fully charged.

3.2 Getting Started

For first-time use, follow these steps to configure the system settings:

1. Press the power button to turn on the device.
2. The screen will display a welcome page. Tap Start to proceed.
3. Choose your desired system language from the list and tap Next step.
4. Select the correct time zone and tap Next step to enter the WLAN setup screen.
5. Slide the Wi-Fi switch to ON. The system will search for available wireless networks. Select your desired WLAN access point/network. If the network is encrypted, enter the security key (network password).
6. After network connection, tap Next step to configure workshop information. Input the required details and tap Next step. This information will be automatically added to diagnostic reports.
7. Read the user agreement, check the box for 'Agree to all the above terms', and tap OK to finish the sign-up process and navigate to the Job Menu.

3.3 Job Menu Overview

The main menu screen provides access to the following function modules:

• Local Diagnose: Configures the tool as a professional diagnostic tool.
• Service Function: Offers coding, reset, relearn, and other service functions.
• Other Modules: Includes add-on modules to extend functionalities.
• Upgrade: Updates vehicle diagnostic software and APK. Requires a stable network connection.
• Mall: Allows subscription to extra vehicle diagnostic software or reset software not pre-installed.
• Know Your Customer: Assists repair shops with business analysis, customer management, diagnosis statistics, and service ranking.
• Mine: Checks saved reports, order information, and system settings.
• Toolbox: Provides practical add-on modules like battery voltage, diagnostic software clear, firmware fix, DTC library, diagnostic record, DLC lookup, feedback, image, and user manual.
• More: Includes Online support and LAUNCH Academy.

4. Operating Instructions

4.1 Connection to Vehicle

1. Turn the vehicle's ignition OFF.
2. Locate the vehicle's 16-pin Data Link Connector (DLC). It is typically located within 12 inches of the center of the instrument panel, under or around the driver's side. For some vehicles, the DLC location may vary. Refer to your vehicle's service manual if you cannot find it.
3. Plug one end of the diagnostic cable into the vehicle's DLC port and the other end into the DB-15 diagnostic connector of the tool. Tighten the captive screws.
4. Turn the vehicle's ignition ON. The engine can be off or running.

Caution: Do not connect or disconnect any test equipment while the ignition is on or the engine is running.

4.2 System Diagnostics

This function diagnoses electronic control systems of a single vehicle model. Supported systems and functions vary by product configuration.

4.2.1 Smart Diagnosis (Auto-Detect)

This function quickly accesses vehicle electronic control systems by decoding the Vehicle Identification Number (VIN). To enable automatic detection, go to Mine > Settings and set 'Automatic detection on connect' to On. After connecting the tool and turning the ignition key on, the system will automatically enter auto-detect mode.

Alternatively, you can manually initiate smart diagnosis by tapping Local Diagnose > AutoDetect if automatic detection is off.

• A stable network connection is recommended for successful VIN access.
• If the system successfully obtains VIN information, confirm it and tap OK to start diagnosing all available systems. A diagnostic report will be generated automatically.
• If VIN information cannot be accessed, the system will enter Manual Diagnosis mode.

4.2.2 Manual Diagnosis

If auto-detect fails, you can perform diagnosis manually. Follow the on-screen instructions to select the vehicle's make, model, and year, then choose the desired test item.

4.2.3 Health Report (Quick Test)

This function quickly accesses all electronic control units (ECUs) and generates a detailed report on vehicle health. Tap Health Report on the test item selection screen to start scanning. After scanning, systems with fault codes will appear in red, and normally working systems in green.

• Enter: Tap to select other test functions.
• Report: Saves the diagnostic result as a diagnostic report, accessible from Mine > My Report.
• Clear Code: Clears existing diagnostic trouble codes.

4.2.4 System Scan

This option quickly scans which systems are installed on the vehicle.

4.2.5 System Selection

Manually select the test system and function step-by-step. Tap System Selection, then choose the desired system (e.g., Engine System) to access test functions.

• Version Information: Reads system mode, vehicle VIN, software, and ECU version information.
• Read Fault Code: Displays detailed information of DTCs retrieved from the vehicle's control system.
• Clear Fault Code: Erases DTCs from the vehicle after repairs. Ensure the ignition key is ON and the engine is OFF before performing this. Clearing codes does not fix the underlying problem.
• Read Data Stream: Retrieves and displays live data and parameters from the vehicle's ECU. Data can be viewed as values, graphs, or combined graphs.

4.2.6 OBDII Diagnostics

This option provides a quick way to check for DTCs, isolate MIL causes, check monitor status for emissions testing, and verify repairs.

• Read I/M Readiness: Checks if emissions-related systems are operating properly and ready for inspection.
• Read Live Data: Retrieves and displays live data and parameters.
• Read Freeze Frame: Captures operating conditions when an emission-related fault occurs.
• Read Fault Code: Identifies the malfunctioning section of the emission control system.
• Clear Fault Code: Erases codes from the vehicle.
• Test Results: On-Board Monitoring Test: Retrieves test results for non-continuously monitored powertrain components.
• Control Operation of On-Board Component/System: Accesses vehicle-specific subsystem and component tests.
• Read Vehicle Information: Retrieves VIN, Calibration ID (CID), and Calibration Verification Number (CVN).
• EU OBFCM: On-Board Fuel Consumption Monitoring data for CO2 emissions and fuel/energy consumption compliance.

4.3 Service Functions

The tool offers various service functions for coding, resetting, and relearning to restore vehicle functionality after repair or replacement. Available functions are subject to change; regular updates are recommended.

There are two methods for resetting: Manual Reset and Auto Reset. Auto Reset sends commands from the tool to the vehicle's ECU. Manual Reset guides the user through on-screen instructions for execution.

• Oil Lamp Reset: Resets the Oil Life Reminder and turns off the Oil Light after an oil change.
• EPB Reset (Electronic Parking Brake): Required when replacing brake pads, wear sensors, or servo motors. Simplifies the braking process.
• Steering Angle Calibration: Clears fault memories, sets steering angle to zero, and turns off the steering wheel warning light after replacing the steering angle position sensor.
• Battery Matching: Performs a resetting operation on the battery monitoring unit when the main battery or battery monitoring sensor is replaced.
• ABS Bleeding: Facilitates brake fluid replacement by performing the brake operation, allowing one person to change the brake fluid.
• DPF Regeneration (Diesel Particulate Filter): Clears PM (Particulate Matter) from the DPF filter through combustion oxidation.
• Throttle Relearn: Makes initial settings to throttle actuators for smooth driving after throttle body replacement or cleaning.

Note: Special functions depend on the specific car models. Not all reset functions are supported for all cars. Please contact the seller with car details (make/model/year and VIN) to check compatibility before purchasing additional functions.

5. Maintenance

5.1 Diagnostic Software Clear

This function allows you to delete diagnostic software that is not frequently used to free up storage space.

5.2 Firmware Fix

Use this module to upgrade and fix diagnostic firmware. During the fixing process, do not cut power or switch to other interfaces.5.3 Clean Up

This option allows you to clear cache files and free up storage space on the device.

5.4 Software Upgrade

If new software or APK updates are available, a numeric indicator will appear on the 'Upgrade' module in the Job Menu. It is strongly recommended to update regularly to enjoy new functions and better service. Tap 'Upgrade' to enter the update center. By default, all diagnostic software is selected. You can deselect specific software if needed. Tap 'Update' to start downloading. If network connection fails, tap 'Retry'.

The free subscription for default software has an expiration date and needs to be renewed. Without renewal, new diagnostic software and versions (except already downloaded) may be restricted.

6. Troubleshooting and Support

6.1 DTC Library

This option allows you to retrieve detailed descriptions of specific DTCs from the internal database. Enter the DTC code, and the screen will display its definition.

6.2 Feedback

This module allows you to send feedback regarding diagnostic problems for further analysis and troubleshooting by the manufacturer.

6.3 FAQ

This module lists frequently asked questions and answers related to the tool.

6.4 Recovery

This option can reset the tool to its default factory settings. Warning: Resetting may cause data loss. Exercise caution when performing this operation.

6.5 User Tips

• The LAUNCH CRP123E V3.0 is a certified original product from LAUNCH TECH CO., LTD.
• The package includes the diagnostic tool, an OBDII cable, a charging cable, a user manual, and a carrying bag, providing all necessary connections for immediate use.
• This tool is suitable for a wide range of vehicles, including many Chinese brands, covering over 57 car brands and 10,000+ models from 1996 to 2026 across Asia, Europe, and the USA.
• If the scan tool encounters issues or does not work on your specific car model, it is recommended to contact customer service with your car's make, model, year, and VIN information for assistance.

7. Technical Specifications

Note: The CRP123E only supports 12V cars, not 24V trucks. Using it with commercial vehicles may damage the device.

7.1 Package List

• Diagnostic tool (CRP123E) x 1
• Carrying Bag x 1
• OBDII Cable x 1
• Charging Cable x 1
• User Manual x 1

8. Warranty and Customer Support

8.1 Warranty Information

This LAUNCH electronic product is warranted against defects in materials and workmanship for one year (12 months) from the date of delivery to the user. This warranty does not cover parts that have been abused, altered, used for a purpose other than intended, or used inconsistently with instructions. The exclusive remedy for any defective automotive meter is repair or replacement. LAUNCH is not liable for consequential or incidental damages.

Final determination of defects will be made by LAUNCH according to established procedures. No agent, employee, or representative of LAUNCH has the authority to bind LAUNCH to any affirmation, representation, or warranty concerning LAUNCH automotive meters, except as stated herein.

8.2 Customer Service

If you have any questions regarding the operation of the unit, contact the seller or LAUNCH TECH Service Center:

• Website: https://en.cnlaunch.com
• Phone: +86 755 8455 7891
• Email: overseas.service@cnlaunch.com

A detailed operation manual is also integrated into the tool for quick reference.

You can also refer to the official user manual PDF for more detailed information: LAUNCH CRP123E V3.0 User Manual (PDF)