System Description
OUTLINE
- The BCM controls the various electrical components. It inputs the information required for control via CAN communication and the signal received from each switch and sensor.
- The BCM has a combination switch reading function for reading the operation status of the combination switches (light, turn signal, wiper and washer) in addition to a function for controlling the operation of various electrical components. It also has the signal transmission function as the passed point of the signal and a power saving control function that reduces power consumption with the ignition switch OFF.
- The BCM is equipped with the diagnosis function that performs diagnosis and various settings with CONSULT.
BCM CONTROL FUNCTION LIST
| System | Reference | |
|---|---|---|
| Combination switch reading system | System Description | |
| Signal buffer system | System Description | |
| Power consumption control system | System Description | |
| Shipping mode control system | System Description | |
| Auto light system | System Description | |
| Headlamp system | System Description | |
| HBA (High Beam Assist) system | System Description | |
| Daytime running light system | System Description | |
| Turn signal and hazard warning lamp system | System Description | |
| Parking, license plate and tail lamps system | System Description | |
| Front fog lamp system | System Description | |
| Stop lamp system | System Description | |
| Exterior lamp battery saver system | System Description | |
| Light reminder warning | System Description | |
| Headlamp warning | System Description | |
| Illumination control system | System Description | |
| Interior room lamp control system | System Description | |
| Interior room lamp battery saver system | System Description | |
| Front wiper and washer system | System Description (With Rain Sensing From Wipers) or System Description (Without Rain Sensing From Wipers) | |
| Rear wiper and washer system | System Description | |
| Rear window defogger system | System Description | |
| Automatic air conditioning system | System Description | |
| Warning chime system | System Description | |
| Intelligent Key system/engine start system | Engine start function | System Description |
| Intelligent Key system | System Description | |
| Remote engine start function | System Description | |
| Remote keyless entry function | System Description | |
| Door lock function | System Description | |
| Automatic back door system | System Description | |
| Warning function | System Description | |
| Nissan anti-theft system (NATS) | System Description | |
| Vehicle security system | System Description | |
| Panic alarm | ||
| Power window system | System Description | |
| RAP (retained accessory power) system | - | |
| TPMS (tire pressure monitoring system) | System Description | |
MAC (MESSAGE AUTHENTICATION CODE)
MAC (Message Authentication Code) is a function that prevents unauthorized communication from other than the ECU with MAC function by secure authentication communication. BCM can write a MAC key required for communication between the ECUs and perform MAC diagnosis.