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Troubleshooting complex hydraulic electronic unit injection systems is now straightforward with our state-of-the-art caterpillar HEUI actuation pump signal generator.
This compact desktop unit is engineered to accurately simulate the engine control module's (ECM) signals, allowing technicians to isolate electrical and mechanical faults
within the actuation pump without requiring the vehicle to be running.
By functioning as an advanced electronic diagnostic tool for cat hydraulic pumps, it enables precise manipulation of operational parameters. Operators can easily monitor
drive voltage and amperage in real-time via the high-visibility dual digital LED displays, ensuring the pump solenoids are reacting correctly.
Furthermore, the integrated heui pump proportional valve current controller ensures you can comprehensively test the pump's response to various load conditions using
the dedicated PVC1, PVC2, and TCL channels. This is an indispensable asset for any commercial diesel rebuild center aiming to certify Caterpillar HEUI pump functionality before final engine installation.






| Specification Item | Details |
| Product Category | HEUI Actuation Pump Electronic Tester |
| System Compatibility | Caterpillar C7, C9 HEUI Fuel Systems |
| Core Function | Simulates ECM signals to drive pump proportional valves |
| Data Display | Dual Digital LED Screens (Real-time monitoring) |
| Measurement Metrics | Driving Current (MA) & Direct Current Voltage (DC-V) |
| Control Channels | PVC1 (Yellow), PVC2 (Green), TCL (Red) independent controls |
| Current Adjustment | Rotary knob for precise milliampere regulation (- AH +) |
| Output Signal Type | Pulse Width Modulation (PWM) |
| Enclosure Material | Heavy-duty steel casing with protective finish |
| Included Accessories | High-quality testing harness with quick-connect metal fittings |
| Safety Features | Built-in short circuit and electrical overload protection |
| Application Scope | Bench testing, solenoid diagnosis, pump calibration |



