Hyundai Equus: Description and Operation

Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Body Electrical System / BCM (Body Control Module) / Description and Operation

Description

Communication Network Diagram

Abbreviation	Explanation
C_CAN	Chassis Controller Area Network
B_CAN	Body Controller Area Network
MM_CAN	Multi media Controller Area Network
SMK	Smart Key Unit
DDM	Driver Door Module
ADM	Assist Door Module
RRDM	Rear Right Door Module
RLDM	Rear Left Door Module
PSM	Power Seat Module
APSM	Assist Power Seat Module
ARS	Armrest Switch
PAS	Parking Assist System
RSNR	Rain Sensor & Auto Light
ECW	Electric Control Wiper
SJB	Smart Junction Box
SCM	Steering Column Module
MFSW	Multi-Function Switch
SWRC	Steering Wheel Remote Controller
PTM	Power Trunk Module
SMK	Smart Key ECU
SRx	Stand-alone RF Receiver
HUD	Head Up Display
BCM	Body Control Module
ECU	Engine Control Unit
TCU	Transmission Control Unit
EPB	Electronic Parking Brake
ESC	Electronic Stability Control
SCC	Smart Cruise Control
BSD	Blind Spot Detection
EHPS	Electronic Hydraulic power Steering
DATC	Dual Automatic Temp Control
AFLS	Adaptive Front Lighting System
SAS	Steering Angle Sensor
TPMS	Tire Pressure Monitoring System
ACU	Airbag Control Unit
LDWS	Lane Departure Warning System
PSB	Pre-Safe Seat Belt
SBW	Shift By Wire
AVM	Around View Monitor
MTS	Mozen Telematics System
CUBIS	Car Ubiquitous System
RSE	Rear Seat Entertainment system
HU	Head Unit
MON	Monitor
RRC	Rear Remote Control
AMP	Amplifier
CCP	Center Control Panel
IMS SW	Integrated Memory System Switch
FAM	Front Area Module
PGS	Parking Guide System
EVP	Eva Vacuum Pump
FPCM	Fuel Pump Control Module
ODS	Occupant Detection System

Block Diagram

Function

Description

Seat belt reminder
(Driver)

-	Seat belt switch OFF > IGN1 ON > Indicator blinking & buzzer ON for 6 sec.

-	Repeat the below patern 11 times after seat belt switch off and vehicel speed over 10km/h (Indicator blinking & buzzer ON for 6 sec. > Indicator & buzzer OFF for 24 sec.)

Seat belt reminder
(Assist)

-	Seat belt switch OFF > IGN1 ON > Indicator blinking & buzzer ON for 6 sec.

-	Indicator blinking & buzzer ON after seat belt switch off and vehicel speed over 10km/h

Parking start warning

-	Warning is ON when the IGN1 ON & Parking brake switch ON & vehicle speed over 5km/h.

Key operated warning

-	ACC ON and driver door open then Key operated warning is ON.

Rear defogger

-	IGN1 ON & ALT’L ON and defogger switch ON then operates for 20 min.

PAS warning

-	If the shift lever 'R' is ON, PAS sensor warning is ON via LIN communication.

SSB illumination control

-	If engine start is ON and driver door open, SSB illumination in ON for 20 min.

Front room lamp

-	If "4 door CLOSE & SMK fob UNLOCK" or "4 door CLOSE & key ON>OFF", the front room lamp is ON for 15 sec.

-	If key is OFF and driver door open, the front room lamp is ON for 20 min.

Rear room lamp

-	If "4 door CLOSE & SMK fob UNLOCK" or "4 door CLOSE & key ON>OFF", the rear room lamp is ON for 15 sec.

-	If key is OFF and driver door open, the rear room lamp is ON for 20 min.

Foot lamp

-	If "4 door CLOSE & SMK fob UNLOCK" or "4 door CLOSE & key ON>OFF", the foot lamp is ON for 15 sec.

-	If key is OFF and driver door open, the foot lamp is ON for 20 min.

Trunk open control

-	If all doors are unlock and trunk open switch is ON, trunk is open (Non-PTGM option only)

Rear curtain control

-	If IGN ON and shift lever is 'R', rear curtain is down.

-	If IGN ON and shift lever is 'R > P', rear curtain is up.

Antitheft

-	All door close & key out and if the TX lock & all knob are lock, vehicle is ARMWAIT mode for 30 sec.

-	Vehicle change from ARMWAIT mode to ARM mode after 30 sec.

-	ALARM 27 seconds Is ON, If ARM mode and 'HOOD or 4 DOOR or Trunk is open'.

VI FL BCM does not control the wiper control (ECW), external lamp (FAM) and door control (DDM).

Schematic Diagrams

Circuit Diagram ...

Body Control Module (BCM) Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel after loosening the mounting screws. (Refer to Body - "Crash Pad Lower Panel") 3. Disconnect t ...

Hyundai Equus: Description and Operation

Schematic Diagrams

Body Control Module (BCM) Repair procedures

See also:

Categories

Hyundai Equus Manuals