October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
MAF Frequency
Scan Tool Displays
0-32000 Hz. The MAF sensor input signal to the
PCM is a frequency which varies from around
3000 Hz at idle to above
7000 Hz at wide-open throttle. The PCM converts this frequency signal to grams per second to be displayed on the scan tool as
MAF.