System Description: Notes
WARNING: This page is about a different car, the 2006 Honda CR-V and 2005 Honda CR-V. However, it is still accessible from the selected car via links, so may be relevant.
The multiplex control system has four internal functions:
- Multiplexing (send multiple signals over shared wires)
- Wake up/sleep (runs at full power only on demand to reduce battery draw)
- Fail-safe (fixes or ignores faulty signals)
- Self-diagnosis (Mode 1 for system DTCs, Mode 2 for input lines)
The system controls the function of these circuits:
- Entry light control (ignition key light and ceiling light)
- Wiper/washer (intermittent wipe and park functions)
- Interlock system
- Keyless/power door lock
- Gauge assembly, temperature gauge, and indicators
- HVAC (Compressor and fan control)
- Key-in reminder
- Lights-on reminder
- Seat belt reminder