Hyundai Equus Manuals

Hyundai Azera: Body Control Module (BCM) Description and Operation - BCM (Body Control Module) - Body Electrical System - Hyundai Azera 2011-2024 Service ManualHyundai Azera: Body Control Module (BCM) 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 ECU
DDM
Driver Door Module
ADM
Assist Door Module
PSM
Power Seat Module
SCM
Steering Column Module
IMS
Integrated Memory System
MFSW
Multi-Function Switch
SWRC
Steering Wheel Remote Controller
PCU
Power-train Control Unit
ECU
Engine Control Unit
TCU
Transmission Control Unit
EPB
Electronic Parking Brake
ABS
Anti-lock Brake System
VDC
Vechile Stability Control
SCC
Smart Cruise Control
DATC
Dual Automatic Temp Control
MDPS
Motor Driven Power Steering
SAS
Steering Angle Sensor
TPMS
Tire Pressure Monitoring System
ACU
Airbag Control Unit
AVM
Around View Monitor
CLUM
Cluster Module
HU
Head Unit
RRC
Rear Remote Control
IPM
Intelligent itegrated Platform Module

IPM Overview
The Body Control Module (IPM-Intelligent integrated Platform Module) 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 IPM provides the following features :
Door Lock Control(Send Lock/ Unlock commend via CAN)
Burglar Alarm Control
Decayed Room Lamp and MODE Lamp Control
Key Hole Illumination Control
Trunk Open Control
Warning(Buzzer and indicator)Control
Wiper control
Lamp control (Tail, Head Lamp Low and High, Front fog, Room Lamp, Rear Fog lamp Control, HLLD)
Turn/Hazard Signal Control
Defroster
External Buzzer and Burglar Alarm Horn control
Panic
Window control
Key interlock solenoid
Input signal sends via CAN for local functions
Diagnostic
Abbreviations
Abbreviations
Description
IPM
Intelligent integrated Platform Module
SMK
Smart Key
DDM
Driver Door Module
ADM
Assistant Door Module
RKE
Remote Keyless Entry
CLU
CLUster
MFSW
Multi Function SWitch
IPS
Intelligent Power Switch
PSM
Power Seat Module
SCM
Steering Column Module
CAN
Controller Area Network
SRX
Standard Analog Receiver

Function
Seat Belt Reminder (SBR - EC DRV Function)
When driver have their seat belts unfasten during driving, sound or indicator warning remind them of fastening their seat belts.

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_DRVSeatBeltSW
Driver Side Seat Belt Switch
Analog
A_IGN1
Ignition 1 Signal
CAN_C
Communication
VS
Vehicle Speed Signal 
Output
Internal
b_SBR_ECDRV_BuzzerCmd
Seat belt Warning Sound Command for SBR - EC DRV Function
CAN_C
Communication
CF_Gway_DrvSeatBeltInd
Driver Seatbelt Indicator state

Seat Belt Reminder (SBR - EC DRV Function)
When passengers have their seat belts unfasten during driving, sound or indicator warning will remind them to fastening their seat belts.

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_ASTSeatBeltSW
Assistant Side Seat Belt Switch
Analog
A_IGN1
Ignition 1 Signal
CAN_C
Communication
VS
Vehicle Speed Signal 
Output
Internal
b_SBR_ECAST_BuzzerCmd
Seat belt Warning Sound Command for SBR - EC AST Function
Logic
O_ASTSeatBeltIND
Assistant Side Seat Belt Indicator

Key Reminder Warning(Key Operated Warning)
If driver opens the driver side door and go away from the car during key is inserted or ACC state, a sound warning reminds a driver that key has to be taken off or ACC state has to be changed to Off state.

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_ACC
Accessory Signal
L_DRVDRSW
Driver Door Switch status
L_IGN2
Ignition 2 Signal
L_KeyIn
Key In signal
Analog
A_IGN1
Ignition 1 Signal
Output
CAN_C
Communication
CF_Gway_KeyReminderWarning
Internal Warning Buzzer command for Key Reminder Warning

Parking Brake Warning
If driver drives the vehicle with parking brake engaged or not completely released, and vehicle speed exceeds the specific value of 5km/h (3MPH), a sound warning reminds the driver that parking brake has to be released.

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_PrkgBrakeSW
Parking Brake Switch
Analog
A_IGN1
Ignition 1 Signal
CAN_C
Communication
VS
Vehicle Speed Signal 
Internal
Timer_ParkBrake
Vehicle Speed Conformation Timer for Parking Brake Warning
Output
CAN_C
Communication
CF_Gway_ParkingBrakeWarning
Internal Warning Buzzer command for Parking Brake Warning

Smart key (SMK) Warning
SMK System Warnings conditions of activation are controlled by the SMK unit. When a condition is satisfied, SMK unit sends corresponding warning request to IPM and cluster by CAN, IPM only operates the external buzzer. Internal Warning Buzzer or Warning Indicator are operated by the Cluster.(refer the SMK warning specification.)

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
CAN_B
Communication
C_PICWarning
SMK Warning Command for external buzzer
Output
Internal
b_SMK_DoorLockWarning1
Door lock warning 1
b_SMK_DoorLockWarning2
Door lock warning 2
b_SMK_DoorLockWarning3
Door lock warning 3
b_SMK_IDOutWarning
ID Out Warning
b_SMK_KeyReminder2Warning
Key reminder 2 warning
b_SMK_TrunkWarning
Trunk warning (Trunk closed with Fob inside)

Alarm Horn Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Internal
b_BAlarmHornCmd
ALARM Horn Operation Command
b_PanicHornCmd
Panic Horn Command
Output
Logic
O_BAlarmHorn
Horn Output for NA Variant
O_Horn
General Horn Output

Interior Lamp Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_ASTDRSW
Assistant Door Switch Status
L_DRVDRSW
Driver Door Switch status
Analog
A_IGN1
Ignition 1 Signal
CAN_C
Communication
DimmingLevel
Rheostat Level From CLU
CAN_M
Communication
HU_ReqDrUnlock
MTS Request for Unlock
Internal
b_AllDoorsClose
All Doors Open/Close State
b_AllDoorsLock
All Doors Lock/Unlock State
b_AnyDoorOpen
Any door open 100msec confirmation state 
b_BAState
Burglar Alarm State is in ARM type state
b_KeyOnState
Key In or Fob In or Terminal On state
b_PassiveUnlockCmd
SMK Passive Unlock Command 
b_PPosition
Gear Shift Lever P Position Input
b_RKEUnlockCmd
RKE Unlock Command 
b_TailLampOutput
Tail Lamp Output
b_TailWelcomeCmd
Tail Lamp Welcome Output Command
Internal
b_RoomLampCmd
Room Lamp Output Command
Output
Logic
O_FootLamp
Foot Lamp Output
O_KeyHoleIllum
Key Hole Illumination Output
O_MoodLamp
Mood Lamp Output
O_RoomLamp
Room Lamp Output

Flasher Control
This IPM Flasher describes the following functions
-
One Touch Triple Turn Option Control Function
-
Hazard Flashing Control Function
-
Turn Signal Flashing Control Function
-
Emergency Stop Release Flasher Function
-
Flasher Output Control Function
-
Flasher SCG (Short Circuit To Ground) Failure Control Function

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_HazardSW
Hazard Switch
L_IGN2
Ignition 2 Signal
Analog
A_IGN1
Ignition 1 Signal
V_Bat
Battery Voltage
CAN_B
Communication
C_TSigLHSW
Turn Left Switch CAN Signal
C_TSigRHSW
Turn Right Switch CAN Signal
CAN_C
Communication
CF_Clu_ATTurnSet
Request to set One Touch Triple Turn  Option
VS
Vehicle Speed Signal 
Internal
b_ArmFlasherCmd
ARM Flasher Command
b_BAlarmFlasherCmd
ALARM Flasher Operation Command
b_DisarmFlasherCmd
DISARM Flasher Command
b_ESSState
Emergency Stop Signal State
b_PanicFlasherCmd
Panic Flasher Command
b_TrunkCloseFlasherCmd
Trunk Close Flasher Command
b_TrunkOpenFlasherCmd
Trunk Open Flasher Command
Output
Internal
b_FlasherLeftActivity
Left Flasher Lamp Activity
b_FlasherRightActivity
Right Flasher Lamp Activity
b_HazardFaultFlasherCmd
Hazard Fault Flasher Command
b_HazardNormalFlasherCmd
Hazard Normal Flasher Command
Logic
O_TurnSigLH
Flasher Lamp Output - Left
O_TurnSigRH
Flasher Lamp Output - Right
CAN_C
Communication
CF_Gway_ATTurnCur
Current setting value for One Touch Triple Turn Enable /Disable
CF_Gway_TSigLHOut
Turn LH Signal Lamp Out Status 
CF_Gway_TSigRHOut
Turn RH Signal Lamp Out Status

Power Window Control
This IPM Power Window describes the following functions
-
Power Window Maintained Mode Control Function
-
Power Windows Enable Control Function
-
Power Windows Enable Control Function
-
Rear Window Power Control Function
-
Rear Left/Right Manual Up/Manual Down Control Function

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_ASTDRSW
Assistant Door Switch Status
L_DRVDRSW
Driver Door Switch status
L_IGN2
Ignition 2 Signal
Analog
A_IGN1
Ignition 1 Signal
CAN_B
Communication
C_PwdwInhibit
Power Window Inhibit command from DDM
C_RLPwdwMDownSWDDM
Rear Left Power Window Manual Down Indirect Switch from DDM
C_RLPwdwMUpSWDDM
Rear Left Power Window Manual Up Indirect Switch from DDM
C_RRPwdwMDownSWDDM
Rear Right Power Window Manual Down Indirect Switch from DDM
C_RRPwdwMUpSWDDM
Rear Right Power Window Manual Up Indirect Switch from DDM
Output
Logic
O_RearPwdwPwr
Rear Power Window Power State
O_RLPwdwDn
Rear Left Power Window Down
O_RLPwdwUp
Rear Left Power Window Up
O_RRPwdwDn
Rear Right Power Window Down
O_RRPwdwUp
Rear Right Power Window Up
CAN_B
Communication
C_PwdwMain
Power Window Timer

Defroster Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_DefrosterSW
Defroster Switch
Analog
A_IGN1
Ignition 1 Signal
V_Bat
Battery Voltage
CAN_C
Communication
CF_Clu_AltLStatus
Engine is running
Output
Logic
O_Defroster
Defroster Output

Rear Curtain Control by Switch

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_RearCurtainSW
Rear Curtain Auto Up/Down Switch
Internal
b_RearCurtainMain
Rear Curtain Operation Mode
RearCurtainPosition
Current Rear Curtain Position
Output
Internal
b_RearCurtainDownSWCmd
Rear Current Down Command by Switch Input
b_RearCurtainUpSWCmd
Rear Current Up Command by Switch Input

Rear Curtain Control by Shift Lever

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
CAN_C
Communication
VS
Vehicle Speed Signal 
Internal
b_GearBoxPPosition
Gear Shift Lever P Position Input
b_GearBoxRPosition
Gear Shift Lever R Position Input
b_RearCurtainMain
Rear Curtain Operation Mode
RearCurtainPosition
Current Rear Curtain Position
Output
Internal
b_RearCurtainDownAutoCmd
Rear Current Down Command by Shift Lever or Vehicle Speed Input
b_RearCurtainUpAutoCmd
Rear Current Up Command by Shift Lever Input

Key Interlock Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_ACC
Accessory Signal
L_KeyInterlockSW
Key Interlock Switch Input
Analog
A_IGN1
Ignition 1 Signal
Output
Logic
O_KeySOL
Key Interlock Solenoid Output

ATM Solenoid Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_BrakeSW
Brake Switch
Analog
A_IGN1
Ignition 1 Signal
CAN_C
Communication
VS
Vehicle Speed Signal 
Internal
b_ForwardDriving
Shift Lever Position during Forward Driving
b_GearBoxNPosition
Gear Shift Lever N Position Input
b_GearBoxPPosition
Gear Shift Lever P Position Input
Output
Logic
O_ATMSol
ATM Solenoid Output

Front Wiper Low Speed Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_IGN2
Ignition 2 Signal
CAN_B
Communication
C_WiperLowSW
Wiper Low Switch from MFSW
Output
Internal
b_WiperLowBySwCMD
Wiper Low Speed Output command by Switch

Front Wiper High Speed Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_IGN2
Ignition 2 Signal
CAN_B
Communication
C_WiperHighSW
Wiper High Switch from MFSW
Output
Internal
b_WiperHighBySwCMD
Wiper High Speed Output command by Switch

Front Wiper Mist Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_IGN2
Ignition 2 Signal
CAN_B
Communication
C_WiperMistSW
Wiper Mist Switch from MFSW
Output
Internal
b_WiperLowByMistCMD
Wiper Mist Output command by Switch

Front Washer Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_IGN2
Ignition 2 Signal
CAN_B
Communication
C_WasherSW
Wiper Washer Switch from MFSW
Output
Internal
b_WiperWasherCMD
Front Wiper Washer Control Command

Front Wiper Intermittent Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_IGN2
Ignition 2 Signal
CAN_B
Communication
C_WiperIntSW
Wiper Intmt Switch from MFSW
C_WiperIntT
Wiper Intmt T Value from MFSW
Internal
b_WiperWasherCMD
Front Wiper Washer Control Command
Output
Internal
b_WiperIntCMD
Wiper Intermittent Output Command

Head Lamp Washer By Front Wiper Washer Control

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_IGN2
Ignition 2 Signal
CAN_B
Communication
C_WasherSW
Wiper Washer Switch from MFSW
Internal
b_HeadLampLowOutput
Head Lamp Low Output
Output
Logic
O_HeadLampWasher
Head Lamp Washer Output

Door Lock/unlock Control
This IPM DoorLock describes the following functions:
-
Auto Door Lock (Unlock) Option Control Function
-
Central Door Lock Unlock Control Function
-
Central Locking Unlocking by Switch Control Function
-
Locking Unlocking Control by RKE Function
-
Locking Unlocking Control by SMK Function
-
Central Locking Unlocking by Driver Mechanical Key Control Function
-
Unlocking by Crash Control Function
-
Side Airbag Signal Function
-
Auto Door Lock by Shift-Lever
-
Auto Door Lock by Vehicle Speed
-
Auto Door Unlock by Shift-Lever
-
Auto Door Unlock by Driver Safety Knob state
-
Auto Door Unlock by Key Off
-
Key Reminder Unlock
-
Key Reminder Unlock by SMK Key Reminder Unlock Function

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_ACC
Accessory Signal
L_ASTDRSW
Assistant Door Switch Status
L_DRVDRSW
Driver Door Switch status
L_IGN2
Ignition 2 Signal
L_KeyIn
Key In signal
L_RLDRSW
Rear Left Door Switch Status
L_RLDRUnlockSW
Rear Left Door Unlock Switch
L_RRDRSW
Rear Right Door Switch Status
L_RRDRUnlockSW
Rear Right Door Unlock Switch
Analog
A_IGN1
Ignition 1 Signal
PWM
P_CrashUnlock
Crash Unlock Command
CAN_B
Communication
C_ASTPwdwDoorLock
Central Door Lock Switch in ADM
C_ASTPwdwDoorUnlock
Central Door Unlock Switch in ADM
C_ASTUnlockState
Assist Door Unlock Switch
C_DRVCtrLockSW
Central Door Lock Switch in DDM
C_DRVCtrUnlockSW
Central Door Unlock Switch in DDM
C_DRVKeyLockSW
Driver Key Lock signal
C_DRVKeyUnlockSW
Driver Key Unlock signal
C_DRVUnlockState
Driver Door Unlock Switch
C_P_FL
Passive Access from Front Left
C_P_FR
Passive Access from Front Right

CAN_C
Communication
CF_Acu_ExtOfSab
Existence of Side(or Side/Curtain) Airbag
CF_Clu_AltLStatus
Engine is running
CF_Clu_DrLkSet
Request set the new Auto Door Lock Mode
CF_Clu_DrUkSet
Request to set Auto Door Unlock Mode
CF_Clu_TurnUkSet
Request to set Two Turn Unlock Mode
VS
Vehicle Speed Signal 
Stub
Stub_b_DeadLockState
Dead Lock State
Internal
b_AllDoorsClose
All Doors Open/Close State
b_AutolockCmd
Lock request by Auto Locking(Burglar Alarm Function)
b_BAState
Burglar Alarm State is in ARM type state
b_KeyIGNOn
Key In and IGN1/2  On state
b_KeyOnState
Key In or Fob In or Terminal On state
b_PassiveLockCmd
SMK Passive Lock Command
b_PassiveRemindCmd
SMK Passive Key Reminder Unlock Command
b_PassiveUnlockCmd
SMK Passive Unlock Command 
b_PPosition
Gear Shift Lever P Position Input
b_RKELockCmd
RKE Lock Command
b_RKEUnlockCmd
RKE Unlock Command 
Output
Internal
b_RKEDRVUnlockCmd
RKE Driver Door Unlock command
Logic
O_CtrDRLock
Central Door Lock Output
O_CtrDRUnlock
Central Door Unlock Output
O_DRVDRUnlock
Driver Door Unlock Output
CAN_C
Communication
CF_Gway_DrLkCur
Current setting value for Auto Door Lock Mode
CF_Gway_DrUkCur
Current setting value for Auto Door Unlock Mode
CF_Gway_TurnUkCur
Current setting value for Two Turn Unlock Mode

Trunk Control
This IPM Trunk describes the following functions:
-
Trunk Release Control Function
-
Trunk Status Indicator Function
-
Trunk Lamp Function

Function
Characteristics
Name
Signal Label
Spec. Designation
Input
Logic
L_ExternalTrunkSW
External Trunk Open Switch
L_RLDRUnlockSW
Rear Left Door Unlock Switch
L_RRDRUnlockSW
Rear Right Door Unlock Switch
L_TrunkStatus
Trunk Switch Status
CAN_B
Communication
C_ASTUnlockState
Assist Door Unlock Switch
C_DRVUnlockState
Driver Door Unlock Switch
C_PassiveTrunk_TG
Trunk open command by SMK
C_TrunkOpenSW
Trunk Open Switch from DDM
CAN_C
Communication
VS
Vehicle Speed Signal 
Internal
b_BAState
Burglar Alarm State is in ARM type state
b_RKETrunkCmd
RKE Trunk Command
Output
Logic
O_TrunkLamp
Trunk Lamp Output
O_TrunkRelease
Trunk Release Output
CAN_C
Communication
CF_Gway_TrkOpnInd
Trunk opening Status

Body Control Module (BCM) Schematic Diagrams
BCM Connector Terminals BCM(IPM) Input Signal SPEC Signal NameOn/Off JudgmentInput  CharacteristicsInput acquisition VBAT Threshold VoltageL_DRLOpt(NA)On : 3.2V UnderOff : 4.2V OverPull up(ON ...

Body Control Module (BCM) Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the Reinforcing panel after loosening the ...

See also:

Battery replacement
A smart key battery should last for several years, but if the smart key is not working properly, try replacing the battery with a new one. If you are unsure how to use your smart key or replace the ...

Outside rearview mirror
Be sure to adjust mirror angles before driving. Your vehicle is equipped with both left-hand and right-hand outside rearview mirrors. The mirrors can be adjusted remotely with the remote switch. The ...

Eco Coach
• What is Eco Coach? Every 2.5 minutes, Eco Coach compares your fuel economy against the government tested average (EPA) or other similar Hyundai models (community), based on your preference. Eac ...

Categories

Hyundai Azera Manuals


© 2011-2024 Copyright www.hgmanual.com