Maf Hf Digital; Maf Lf Digital - Seintek S2800 User Manual

10.1.19. MAF HF Digital

Measures and compares the MAF sensors signal with a high frequency digital output.
Path:
MAF HF DIGITAL
BLACK TO SENSOR BODY OR
ENGINE (CHASSIS)
RED TO SENSOR OUTPUT

10.1.20. MAF LF Digital

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