Body Control Module: Description and Operation

BCM Overview

The Body Control Module (A) supplies vehicle occupants with visual and audible information and controls various vehicle functions.
To provide and receive information, the module is interfaced to the vehicle's CAN bus communications network.





The BCM provides the following features :
- Door lock control
- Burglar alarm control
- Decayed room lamp control
- Tailgate open control
- Warning(Buzzer and indicator) control
- Wiper control (Front/ Rear)
- Lamp control (Tail, Head Lamp, Fog lamp, Room lamp, Rear Fog lamp, DRL, SBL Etc.)
- Defroster control
- Burglar Alarm Horn control
- Panic control
- MTS control
- RPAS control

Communication Network






Function

1. Door lock control
A. Central Door Lock/Unlock Switch Control Function
B. Central Door Lock/Unlock Mechanical Key(Door Key) Control Function
C. Doors Lock/Unlock by RKE
D. Doors Lock/Unlock by SMK
E. Doors Relock by ATWS Function
F. Doors Lock/Unlock by Auto Door
G. Doors Unlock by Crash
H. Doors Unlock by Key Reminder
I. Dead lock/unlock Function
J. RKE Door Lock/Unlocking Function
K. Burglar Alarm Relock Door Lock Control Function
L. SMK Door Lock/Unlocking Function
M. Central Door Lock/Unlock Button Control Function
N. Crash Unlock Control Function
O. Door Lock by Shift-Lever
P. Door Lock by Vehicle Speed
Q. Door Unlock by Shift-Lever
R. Door Unlock by Key Off
S. Key Reminder Unlock Function
T. Dead Lock/Unlock Function
U. Central Unlocking by EC Unlock Control Function
V. Priority of Door Lock System
2. Burglar alarm control
A. Tailgate Type Burglar Alarm Control Function
B. Lock Confirmation Function
C. Chirp Sound Control Function
D. Horn Answer Back Control Function
3. Tailgate open control
A. Tailgate Release Control Function
B. Tailgate Status Indicator Function
4. Warning control
A. SMK Warning Function
B. SBW - SBSW Function
C. SBR - NADRV Function
D. SBR - NAAST Function
E. SBR - EC DRV Function
F. SBR - EC AST Function
G. SBR - Rear Function
H. Driver Seatbelt Indicator Output Control Function
I. Driver Seatbelt Indicator Output Control Function
J. Assistant Seatbelt Indicator Output Control Function
K. Rear Seatbelt Indicator Output Control Function
L. Key Reminder Warning(Key Operated Warning) Function
M. Parking Brake Warning Function
N. Internal Buzzer Output Control Function
O. Chirp Sound Option Control Function
P. External Buzzer Output Control Function
Q. Alarm Horn Control Function
R. RPAS Off Mode Indicator Control Function
S. RPAS Initialization Function
T. RPAS Warning Sound Control Function
5. Wiper control
A. Front Wiper Mist Control Function
B. Front Wiper Intermittent Control Function
C. Front Wiper Washer Control Function
D. Front Wiper Washer Control Function
E. Rear Wiper On Switch Control
F. Rear Washer Wiper Control
G. Rear Wiper Intermittent Control
6. Lamp control
A. Tail Lamp by Switch Control Function
B. Tail Lamp by Auto Light Control Function
C. Tail Lamp by Escort Control Function
D. Tail Lamp by Welcome Control Function
E. Tail Lamp Auto-cut Control Function
F. Output control of Tail Lamp
G. Head Lamp Low by Switch Control Function
H. Head Lamp Low by Escort Control Function
I. Head Lamp Low by Welcome Control Function
J. Head Lamp Low by Auto Light Control Function
K. Head Lamp High by Switch Control Function
L. Head Lamp High and Low by Passing Switch Control Function
M. Output control of Head Lamp Low
N. Output control of Head Lamp High
O. Output control of Head Lamp High Indicator
P. EC DRL Lamp Function
Q. Tail Lamp Control by Auto light Mode Control Function
R. Head Lamp Low Control by Auto light Mode Control Function
S. Front Fog Lamp by Switch Control Function
T. Rear Fog Lamp by Switch Control Function
U. Room Lamp On / Off / Decaying Control Function
V. Static Bending lamp Control Function
7. Timer control
A. Rear Defogger Control Function
B. Power Window Main Timer Control Function
8. Panic control
A. Panic Alarm Control Function