DENSO ECD V3/4/5 Pump Tester

I.Function Introduction

a.Check SPV valve, TCV valve, FCV valve: SPV valve: control injection quantity;

TCV valve: control injection timing;   FCV valve: open and close fuel supply;

b: Check the speed sensor;

2.Wiring harness connection instruction

a. 2pin aviation plug (gray three-pin plug): speed sensor plug;

b. 3pin aviation plug: SPV valve plug;

c. 3pin aviation plug: TCV/FCV valve plug;

3.Testing process

a.First connect the speed sensor, SPV valve, TCV and FCV valve plug; Only V5 pumps have FCV valves;

 

b.Select the pump type, 4 or 6 cylinders;

Tap the screen to switch between 4 and 6 cylinders, or press the knob to select;

 

c.Set 300 rpm,After the speed is stable, Press the button or click the start button in the lower left corner of the screen to start;

When the green dot is displayed on the left side of PWM duty cycle, The tester is in startup state;

The start button in the lower left corner of the screen displays blue as the starting state, and gray as the stopping state;

 

d.Press the button or click the button in the lower left corner of the screen to start;

When the TCV / FCV button is displayed in blue, it is on;

When it is displayed in gray, it is off.

 

e.Turn the knob to adjust the PWM duty cycle,

Adjust the fuel injection amount;

 

f.Some pumps need to raise the voltage.

If you can’t inject oil, click the display box behind the lifting. The display opens, the existing boost voltage；