System Descriptions: Notes
The multiplex control system has four internal functions:
- Multiplexing (sends multiple signals over shared wires)
- Wake up/sleep modes (runs at full power only on demand to reduce battery draw)
- Fail-safe (fixes or ignores faulty signals)
- Self-diagnosis (Mode 1 for the system, Mode 2 for input lines)
The system controls the function of the following circuits
- Engine oil pressure indicator
- Seat belt reminder ('03 model)
- Lights-on reminder
- Key-in reminder
- Key light timer
- Dash lights brightness control
- Entry light control
- Automatic lights-off
- Power door locks
- Power window (including key-off timer operation)
- Windshield wiper/washer (including speed sensitive intermittent wiper)
- Security alarm
- Rear window intermittent wiper