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Passenger's Multiplex Control Unit

Unit is located on fuse/relay block behind passenger-side kick panel.

Multiplex control system includes a multiplex function, wake-up/sleep function, fail-safe function, and a 2-mode self-diagnostic function. Self-diagnostic Mode 1 is used to diagnose multiplex control system. Self-diagnostic Mode 2 is used to diagnose a failure in input line of each system.

Multiplex integrated control system includes engine oil pressure indicator flasher circuit, seat belt reminder circuit, and lights-on and key-in reminder circuits. Other controlled systems include dash illumination brightness control, entry illumination, power door locks, power windows, wiper/washers, rear window defogger and interlock system.

Fig 1: Locating Multiplex Control System Components
G98D00912Courtesy of AMERICA HONDA MOTOR CO., INC.