SKS-3058, diagnostic tool of testing analyzing equipment of automobiles EECS and ECU, is specially designed for engineers who repair automobiles EECS and ECU. It is a handset and also can be used at worktable. It includes electric-control analyzing equipment and signal generator. According to the common characteristic if automobiles EECS,the equipment can simulate 8 kinds of signals to meet the demands of diagnosing work. Moreover the equipment can simulate 3 kinds of independent, changeable signal combination at the same time The equipment is designed on the basis of electric-control principle and repairing regularity, so it can also be a useful teaching tool to grasp Automobile-Electric technique in automobile repairing skill training.
1.Digital display of signals frequency.
2.Strip display of DUTY.
3.LED display of signal output.
4.Digital display of injection pulse width.
5.Strip display of output voltage.
6.LED display of drive signal output.
7.LED display of external signal input.
The function of simulating sensor signal:
1.58+2 signal (58Hz900Hz), simulate crankshaft position signal.Have 2 shifts: 5Vpp, 10Vpp.
2.Sin wave signal (20Hz900Hz), simulate car speed,gear speed, have 2 shifts: 5Vpp, 10Vpp.
3.Rectangle wave (10Hz10KHz), simulate various kinds ofdigital signals, have2 shifts: 5Vpp, 10Vpp.
4.One way changeable resistance signal(50Ω10KΩ),simulate cool water temperature, loopy electric potentialutensil knob(12) precisely adjusts tooutput
5.Oneway changeable voltage signal(0-10V),simulate various kinds of voltage signals; loopy electric potentialutensil knob (12) precisely adjusts to output.
6.PWM signal (5Hz200Hz; 5%90%), frequency, DUTY can be adjustedindependently. Puls and quite the contrary output.(simulate Cylinder Identification signal, ignition module input signal.
7.PWM drive signal (5Hz200Hz; 5%90%; 20A), driveinjector, ignition coil, EGR solenoid, IAC MOTOR, etc.
The function of measuring:
1.Examine external injection pulse width. (0.0099.99ms)
2.Examine external voltage (010V).
3.Examine external signals frequency (09999Hz).
4.Examine external signals DUTY (5%100%).
5.Examine external impulse with flashing LED.
The function of active testing:
1.When simulating signals like voltage, resistance, frequency, you can observe injection pulse width simultaneously.
2.You can examine the injection pulse width of an engines starting status.
3.By means of observing injection pulse width (ms), you can do these tests to the
Electronic Fuel Injection engine:
Add rich mixture at cold starting;
Add rich mixture at running;
Add rich mixture at Idle;
Feed back capability test of Oxygen signal under closed loop status;
Sever Fuel test;
MAP test; etc.
4.You can test the battery voltage of the engines stating status.
5.When observing signals frequency and pulse width, you can examine signals
voltage and DUTY at the same time.
6.he blue LED can do the induce test of ignition high tension.
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