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Hot Film Mass Air Flow Sensor, Design
Hot Film Mass Air Flow Sensor, Design 9/2
Grille
9/3
Voltage rectifier
9/4
Housing
9/5
Electronics housing electrical connection
Pin 1:
NTC ground (intake air temperature)
Pin 2:
Circuit 87
Pin 3:
HFM signal (air mass)
Pin 4:
Power ground HFM
Pin 5:
NTC signal (intake air temperature)
9/6
Bonded molded part
9/8
Hybrid printed circuit board
9/9
Cover
B2/5
Hot film MAF sensor