Seintek S2800 - MAP Digital; MAF Analog

10-10
10.1.17. MAP Digital
Measures and compares signals from MAP sensor with a digital voltage output signal.
Path:
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MAP Digital
MAP DIGITAL
BLACK TO SENSOR BODY OR
ENGINE (CHASSIS)
RED TO SENSOR OUTPUT
To engine (chassis)
To sensor output
Measured waveform should be
stable.
Normal Map Digital Sensor waveform
10.1.18. MAF Analog
Measures and compares the MAF sensors signal with an analog continuous voltage output.
Path:
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Î
MAF Analog
MAF Analog
BLACK TO SENSOR BODY OR
ENGINE (CHASSIS)
RED TO SENSOR OUTPUT
To engine (chassis)
To sensor output
Measured waveform rises as
more air flows in the engine.
Normal MAF Analog Sensor waveform