Denso ECD V3 V4 V5 Electronic Pump Tester Simulator for Diesel Injection System

Professional tester for Denso ECD V3, V4, and V5 pumps. Diagnoses SPV, TCV, and FCV valves. Features PWM adjustment and speed sensor testing for precise diesel repair.

WhatsApp: +86-13570429157

Tel / Wechat: 0086-13570429157

Email: ellenzhang@beacon-machine.com

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Introduction

Optimize Your Diesel Repair Workflow with Precision Diagnostics

The Denso ECD V3/V4/V5 Pump Tester is engineered to simulate ECU signals, allowing technicians to test and calibrate electronic distribution pumps without mounting them on the vehicle. By providing precise control over SPV, TCV, and FCV valves, this tool significantly reduces diagnostic time and ensures accurate fuel injection performance.

Core Functionalities:

Comprehensive Valve Control:
- SPV Valve: Controls fuel injection quantity.
- TCV Valve: Controls fuel injection timing.
- FCV Valve: Controls fuel supply (open/close) - specifically for V5 pumps.
Sensor Testing: Accurately checks the speed sensor functionality.
Cylinder Selection: Supports switching between 4 and 6 cylinder pump types via screen tap or knob.
PWM Duty Cycle Adjustment: Allows fine-tuning of the fuel injection amount.
Voltage Boost: Capability to raise voltage for pumps requiring boost to inject oil.

Pump Compatibility & Comparison:

Feature	V3 Pump	V4 Pump	V5 Pump
Actuator Support	SPV, TCV	SPV, TCV	SPV, TCV, FCV
Oil Suction Logic	SPV Close (Energized)	SPV Open	SPV Open (De-energized)
ROM / Resistor	ROM or Compensation Resistor	ROM	Compensation Resistor

parameter

Technical Specifications
Application	Denso ECD V3, V4, V5 Electronic Distribution Pumps
SPV Resistance	1.25 ± 0.5Ω (20℃)
TCV Resistance	11.3 ± 0.4Ω
Speed Sensor Resistance	230 ± 45Ω
Temp Sensor Resistance	2.45 ± 0.5KΩ (20℃)
Interface Definitions (Aviation Plugs)
2-Pin Plug (Gray)	Speed Sensor Plug
3-Pin Plug	SPV Valve Plug
3-Pin Plug	TCV / FCV Valve Plug