OBDSTAR IScan Pro Cummins (Marine) | Diagnostic Tool | Motorboat

Diagnostic Functions

The OBDSTAR IScan Pro Cummins (Marine) offers full diagnostic functionality for Cummins marine engines, from basic code reading to advanced live data analysis.

• Read Fault Codes: Reading active and historical DTCs from the Cummins engine control unit.
• Clear Fault Codes: Removing stored fault codes after repairs.
• Live Data: Real-time display of sensor values such as engine speed, coolant temperature, oil pressure, and battery voltage.
• Data Stream Recording: Capturing and replaying live data for later analysis of intermittent faults.
• Actuator Test: Activating components to check operation without starting the engine.
• Waveform Diagram: Graphical display of data streams to analyze sensor behavior over time.
• Instrument Display: Visualization of measured values in classic dial form for quick interpretation.
• Coding: Adjusting parameters and settings within the engine control unit.

Service and Maintenance Functions

The reader supports multiple service and maintenance functions for Cummins marine engines. Available functions may vary by engine variant and model year.

Engine and Drivetrain

• Oil Service Reset: Resetting the oil service indicator after an oil change.
• Injector Coding: Programming calibration codes for newly installed injectors.
• Injector Learning Values Reset: Clearing learned injector values after replacement or maintenance.
• Fuel System Data Reset: Reinitializing learned values in the fuel system.
• Idle Speed Adaptation System: Adjusting and resetting the idle adaptation for stable idle operation.
• VIN Writing: Programming or modifying the engine identification number in the ECU.

Turbo and air intake

• VGT electronic actuator calibration: Calibrating the VGT actuator for correct turbo operation.
• VGT electronic actuator installation: Teaching a newly installed VGT actuator to the engine control unit.

Emission and aftertreatment systems

• Particulate filter regeneration: Initiating a forced regeneration of the particulate filter.
• Aftertreatment filter reset: Resetting counters and values after maintenance on the aftertreatment filter.
• SCR regeneration: Performing regeneration procedures for the SCR system.
• AdBlue system purge counter reset: Resetting the purge counter of the AdBlue system after service work.
• NOx sensor reset: Resetting or relearning NOx sensors after replacement.

Special functions and capabilities

In addition to standard diagnostics, the reader device has several specialized functions that support workshop use.

• OBDSTAR mobile app integration: Direct access to wiring diagrams, technical bulletins, and diagnostic instructions during work.
• Multiple data displays: Data streams can be shown as text, waveform graph, or instrument display for faster fault analysis.
• BLM reset (Block Learn Multiplier): Resetting learned correction values in fuel control.
• Camshaft calibration: Calibrating the camshaft position after valve train maintenance.
• Reset oil pressure monitor: Reinitializing oil pressure monitoring after service work.
• Misfire data correction: Clearing stored misfire data after repair.
• Fuel adaptation: Adjusting fuel correction values for optimal engine performance.
• Speedometer calibration: Calibrating the speed indication on the instrument display.
• ENG temperature sensor calibration: Calibrating the engine temperature sensor.
• Support DC24V input: Direct power supply from 24V onboard systems on larger motorboats.
• Record and playback data stream: Capturing measurement data for later analysis.
• Remote assistance: Remote support via WiFi by OBDSTAR technicians.

Supported vehicle brands

The diagnostic tool is intended exclusively for use on Cummins marine engines. Supported engine variants include 2.4L, 3.0L, 4.3L, 5.0L, 5.7L, 5.7L HO, 6.0L, 6.0L SS, 6.2L, and STEYR 256.

• American: Cummins

License information

The OBDSTAR IScan Pro Cummins (Marine) comes with a software license specifically focused on Cummins marine engine diagnostics. The license duration determines how long updates and additional features remain available within this specific software environment.

• License period: A 2-year license is included with purchase for access to updates and expansions of the Cummins marine engine software.
• Software updates: Updates include expansions for new Cummins engine variants, improvements in diagnostic functions, additions to service and maintenance procedures, and bug fixes.
• Extended features: An active license is required to download new software versions, additional service functions, and cloud-based support.
• After license expiration: The diagnostic tool remains functional with the last installed software version, but new updates and expansions cannot be downloaded without renewal.

Package Contents

• 1x OBDSTAR IScan Pro Cummins (Marine) diagnostic tool
• 1x 12V2A charger
• 1x M000A 4-meter extension cable
• 1x M001B main cable
• 1x M060 Mercury adapter cable
• 1x M083 Cummins/John Deere/Kohler adapter cable

Technical specifications