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Hyundai Equus: Description and Operation - Body Network System - Body Electrical System - Hyundai Equus VI 2009-2024 Service ManualHyundai Equus: Description and Operation

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

Description

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

1.
Body Network System
The CAN communication network for this vehicle is composed of three types of CAN: Body CAN, Chassis CAN and Multimedia CAN.
The followings are the modules that comprise each CAN. The body network system is about a network module composed of double body CANs.
2.
Can Communition Network
(1)
The basic body CAN network is composed of the following modules.
A.
Body Control Module (BCM), Driver Door Module (DDM), Assist Door Module (ADM), Multi-Function Switch (MFSW), Steering Wheel Remote Controller (SWRC), Smart Junction Box (SJB), Power Seat Module (PSM), Smart Key unit (SMK)
(2)
The additional body CAN network in line with the vehicle's option is composed of the following modules.
A.
Power Trunk Module (PTM), Steering Column Module (SCM), Armrest Switch (ARS), Assist Power Seat Module (APSM), Head Up Display (HUD)

3.
Body Control Module (BCM)
The Body Control Module (BCM) is the main module at the highest level among the modules connected via Body CAN Communication and it supports self-diagnosis for each module, sensor output and actuator testing functions in conjunction with the diagnostic tool (GDS) and Chassis CAN communication.
(Refer to "Body Control Module(BCM)")
4.
Smart Key Unit (SMK)

(1)
Main features
Item
Description
Notes
Installation location
 Mounted on the FSJB side (mounted together with the BCM)
x
Main Features 
1.
Integrated Smart Key module and power distribution module (PDM) 
2.
Smart Key Holder removed
(Limp Home Mode changed - Smart Key Holder function added to the Start/Stop button) 
3.
Power supply relay (ACC, IGN1, IGN2, Start) control 
4.
Operates antenna and authenticates Smart Key 
5.
Body electrical system CAN communication 
6.
Automatically set engine status information and engine as well as transmission specs via Powertrain CAN 
7.
Transmit Smart Key and passive lock/unlock commands (to BCM via CAN communication) 
8.
Transmission of Smart Key authentication data via serial communication (engine start authentication)
9.
K-Line not applied (Only C_CAN Comm.) 
10.
The current power mode indication on the Start button and illumination ring that changes color per different power mode is applied.
11.
Detachable receiver (mounted on the lower section of the passenger seat's right vent in C/PAD)

(2)
For detail information, refer to the Smart Key Unit.
(Refer to "Smart key System")
5.
Smart junction Box (SJB)
(1)
For detail information, refer to the Relay Box (Passenger Compartment).
(Refer to Fuses And Relays - "Relay Box (Passenger Compartment")
6.
Power Trunk Module (PTM)
(1)
For detail information, refer to the Power Trunk Module.
(Refer to "Power Trunk Module")
7.
Head Up Display (HUD)
(1)
For detail information, refer to the Head Up Display (HUD).
(Refer to "Head Up Display (HUD)")
    Body Network System
    ...

    Front Area Module(FAM) Components and Components Location
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    See also:

    Input Speed Sensor Repair procedures
    Inspection 1. Check signal waveform of Input speed sensor using the GDS. Specification: Refer to "Signal Wave Form" section. ...

    Parking Assist Sensor Schematic Diagrams
    Circuit diagram ...

    Brake Booster Components and Components Location
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