Operation CHARM
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2000
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Intrigue V6-214 3.5L VIN H SFI
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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MAF Frequency
MAF Frequency
The scan tool displays
0-31999 Hz
. The
PCM
converts current draw needed by the
MAF
(to keep the hot wires at a constant temperature) into a frequency signal. The scan tool displays this frequency in Hertz.