Seintek S2800 - MAF HF Digital; MAF LF Digital

10-11
10.1.19. MAF HF Digital
Measures and compares the MAF sensors signal with a high frequency digital output.
Path:
Î Î
Î
MAF HF Digital
MAF HF DIGITAL
BLACK TO SENSOR BODY OR
ENGINE (CHASSIS)
RED TO SENSOR OUTPUT
To engine (chassis)
To sensor output
Measured waveform should be
stable.
Normal MAF HF Digital waveform
10.1.20. MAF LF Digital
Measures and compares the MAF sensors signal with a low frequency digital output.
Path:
Î Î
Î
MAF LF Digital
MAF LF DIGITAL
BLACK TO SENSOR BODY OR
ENGINE (CHASSIS)
RED TO SENSOR OUTPUT
To engine (chassis)
To sensor output
Measured waveform should be
stable.
Normal MAF LF Digital waveform