Jaltest Honda Marine Diagnostic Software

Engine Control Systems (ECS) Compatible With Honda Outboard Diagnostic Software

The Jaltest Honda marine diagnostic kit is compatible with a range of ECS (Engine Control Systems) of Honda marine outboard motors.

ECM PGM-FI — Programmed Fuel Injection

PGM-FI is the principal engine-management system across the covered Honda range. Supported categories by the Honda marine scan tool include fault-code access, measured values, ECU identification, component actuation, parameter functions, calibration, reset functions, technical data, wiring diagrams, and guided troubleshooting;

Honda iST — Intelligent Shift and Throttle

Honda iST is the electronic drive-by-wire system used to manage throttle and gear-shift commands on selected high-horsepower engines. A fault that appears to be an engine-performance problem may originate in the control head, iST module, wiring, power supply, network communication, or configuration. Separating the iST module from the PGM-FI ECU in our highly optimized Honda marine engine diagnostic software helps the technician determine which controller is reporting the fault.

Additional Components and Information Supported By Honda Marine Diagnostics

Apart from engines, our Honda marine diagnostic tool supports other components of the Honda marine outboard motors. The coverage can include the following:

• Ignition-coil actuation
• VTEC control-valve actuation
• Cylinder cut-out
• Engine-speed and idle-control calibration
• Engine sensors and actuator values
• Maintenance-counter reset
• ECU serial number and software information
• System configuration and parameter data
• Engine technical specifications
• Fluid capacities
• Tightening torques
• Maintenance schedules
• System and model wiring diagrams
• Connector pin information
• Fuse and relay diagrams
• Component descriptions and location images
• Fault-code troubleshooting guides

The recently released Jaltest 26.2 version of the Honda marine scan tool includes more Honda PGM-FI software variants and fuse-and-relay diagrams for numerous Honda models, showing that coverage continues to evolve after initial model support is introduced.

Cutting-Edge Capabilities of the Honda Marine Fault Code Reader

The Honda marine scan tool is designed to carry out several advanced and cutting-edge functions. It can access stored PGM-FI and supported iST fault memories, display the detected diagnostic trouble codes, and clear the fault memory after repairs. If an active condition remains, the ECU will detect the fault again, which helps distinguish historical codes from present failures.

Typical fault groups can involve:

• Fuel-injection control
• Ignition circuits
• Temperature sensors
• Pressure sensors
• Throttle-position inputs
• Crankshaft or camshaft signals
• VTEC-related circuits
• Idle-control functions
• Charging or ECU supply voltage
• Overheat or oil-pressure protection
• Digital throttle and shift communication
• Control-head or iST configuration

Moreover, Jaltest displays real-time values reported by the ECU. The exact list varies by engine and software version, but a Honda diagnostic session may include data such as engine speed, requested and actual throttle position, intake-manifold pressure, and more.