Smart Entrance Control Unit
WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
The Smart Entrance Control Unit (SECU) totally controls the listed body electrical system operations:
- Warning chime.
- Rear window defogger and door mirror defogger.
- Power door locks.
- Remote keyless entry system.
- Vehicle security system.
- Interior lamp.
- Battery saver control. See BATTERY SAVER CONTROL .