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Home >> Mazda Truck >> 1997 >> B4000 SE Cab Plus 4WD V6-4.0L OHV >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Keep Alive Memory

Keep Alive Memory

KEEP ALIVE MEMORY (KAM)
PCM stores data in KAM about vehicle operating conditions, and then uses data to compensate for component variability. KAM remains powered when ignition is off so that information is not lost until PCM connector disconnected or battery cable disconnected.

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