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BCM (BODY CONTROL MODULE) BCS-3 C D E F G H I J L M A B BCS BCM (BODY CONTROL MODULE) PFP:284B2 System Description NKS000MZ BCM (Body Control Module) controls the operation of various electrical units installed on the vehicle. BCM FUNCTION BCM has combination switch reading function for reading the operation of combination switches (light, wiper, COMBINATION SWITCH READING FUNCTION ● BCM reads combination switch (lighting switch, wiper switch) status, and controls various electrical com- ● BCM reads information of a maximum of 20 switches by combining five output terminals (OUTPUT 1-5) Operation description ● BCM activates transistors of output terminals (OUTPUT 1-5) periodically, and allows current to flow in ● If any (1 or more) switches are turned ON, circuit of output terminals (OUTPUT 1-5) and input terminals ● At this time, transistors of output terminals (OUTPUT 1-5) are activated to allow current to flow. When volt- PKIC6010E |