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© 2001 Directed Electronics, Inc. Vista, CA 23
This system is common in many Toyotas, Nissans, Hondas, and Saturns, as well as Ford models with keyless entry
systems (some other Fords also use Type B).
The switch will have three wires on it, and one wire will test ground all the time. One wire will pulse (-) when
the switch locks the doors, and the other wire will pulse (-) when the switch unlocks the doors. This type of
system is difficult to mistake for any other type.
type B: (-) pulses from the switch to the factory relays