Multiplex Intergrated Control System: Overview Honda Element I

Scheme 1

Scheme 2

Scheme 3

System Description

The multiplex control system has four internal functions

1. Multiplexing (send multiple signals over shared wires)
2. Wake up/sleep (runs at full power only on demand to reduce battery draw)
3. Fail-safe (fixes or ignores faulty signals)
4. Self-diagnosis (Mode 1 for system DTCs, Mode 2 for input lines)

The system controls the function of these circuits

1. Entry light control (ignition key light and ceiling light)
2. Wiper/washer (intermittent wipe and park functions)
3. Interlock system
4. Power Door Lock
5. Gauge assembly (temperature gauge and indicators)
6. HVAC (Compressor and fan control)
7. Key-in reminder
8. Lights-on reminder
9. Seat belt reminder
10. Keyless entry ('04-06 EX and '06 EX-P models)