Seintek S2800 - VSS Digital; MAP Analog

10-9
10.1.15. VSS Digital
Measures and compares Vehicle Speed Sensor signal - Digital.
Path:
Î Î
Î
VSS Digital
VSS DIGITAL
BLACK TO SENSOR BODY OR
ENGINE (CHASSIS)
RED TO SENSOR OUTPUT
To engine (chassis)
To sensor output
Measured waveform should be
stable.
Normal VSS Digital waveform
10.1.16. MAP Analog
Measures and compares signals from MAP sensor with an analog continuous voltage output signal.
Path:
Î Î
Î
MAP Analog
MAP ANALOG
BLACK TO SENSOR BODY OR
ENGINE (CHASSIS)
RED TO SENSOR OUTPUT
To engine (chassis)
To sensor output
Measured waveform rises as the
intake manifold absolute
pressure rises.
Normal Map Analog Sensor waveform