Contents Wiring diagrams Section: Communication Devices All sections

Body Control Module (BCM): Overview Kia Rio III

Communication Devices 5 illustrations ~612 words

Input/Output Description

FunctionI/OConnector NoDescriptionActiveRemark
PowerB+A1Supply power to BCMPower
POWER_GNDA13GroundGND
SIGNAL_GNDD17GroundGND
POWERC9Auto light sensor powerPower
AutoLight_GNDC6Auto light sensor groundGND
Analog InputA_IGN1A3Ignition1 voltage signal inputAD
A_IGN2A2Ignition2 voltage signal inputAD
A_ACCA18Accessory voltage signal inputAD
A_FrontIntVolumeB7Wiper intermittent volume inputAD
A_AutoLightSigC10Auto light sensor signal inputADSENSOR
Logic inputL_InhibitRA16Inhibit R signal inputHigh
L_WasherSWB13Front Washer switch signal inputHigh
L_WiperMistSWB14Mist switch signal inputHigh
L_WiperIntmtSWB15Front Intermittent switch signal inputHigh
L_RearWasherSWB16Rear Washer switch signal inputHigh5DR/3DR
L_RearWiperINTSWE18Rear Wiper Intermittent switch signal inputHigh5DR/3DR
Logic Input L_RearWiperSWE17Rear Wiper On switch signal inputHigh5DR/3DR
L_KeyInSWA17Key In switch signal inputHigh
L_BreakSWE15Break switch signal inputHigh
L_TailLampSWA7Tail switch signal inputLow
L_RPASOffSWB3PAS Off switch signal inputLow
L_DrlEnableB10Europe DRL Option signal inputLow
L_TailGateHandleSWA4Tail Gate Handle signal inputLow5DR/3DR
L_DRVDoorKeyUnlockSWA5Drive Door Key Unlock signal inputLow
L_DRVDoorKeyLockSWA6Drive Door Key Lock signal inputLow
L_CTRDRLockUnlockSWB2Central Door Lock/Unlock switch signal inputLow
L_SeatBeltSWA8Drive Seat Belt signal inputLow
L_AutoLightSWC4Auto Light switch signal inputLow
L_HeadLampLowSWB9Head Lamp switch signal inputLow
L_HeadLampHISWA12Head Lamp Hi switch signal inputLow
L_FrontFogSWA10Front Fog switch signal inputLow
L_RearFogSWA11Rear Fog switch signal inputLow
L_DefoggerSWB12Rear Defogger switch signal inputLow
L_AstSeatBeltSWA9Assist Seat Belt SW signal inputLow
L_RLDoorSWA14Rear Left Door switch signal inputLow
L_SideAirBagOptE21Side Airbag Option signal inputLow
L_RLDoorUnlockSWA15Rear Left Door switch unlock signal inputLow
L_HoodSWA19Hood switch signal inputLow
L_ParkingBreakSWC3Break input signalLow
L_DRVDoorUnlockSWA20Drive Door unlock signal inputLow
L_ASTDoorUnlockSWA21Assist Door unlock signal inputLow
L_RRDoorUnlockSWA22Rear Right Door unlock signal inputLow
L_DRVDoorSWA23Driver Door switch signal inputLow
L_ASTDoorSWA24Assist Door switch signal inputLow
L_RRDoorSWA25Rear Right Door switch signal inputLow
L_TailGateSWA26Tail Gate lock/unlock state signal inputLow5DR/3DR
L_TrunkSW4DR
L_HazardSWB4Hazard switch signal inputLow
L_PwdwUnlockSWB5Power window unlock signal inputLow
L_PwdwLockSWB6Power window lock signal inputLow
L_TurnSigRHSWC1Turn signal right inputLow
L_TurnSigLHSWC2Turn signal left inputLow
L_RLSeatBeltSWE8Rear seat belt left switch signal inputLow
L_CTRSeatBeltSWE9Rear seat belt center switch signal inputLow
L_RRSeatBeltSWE10Rear seat belt right switch signal inputLow
L_ASTDoorKeyUnlockSWE11Assist door key unlock switch signal inputLow
PWM InputP_CrashInputB11Crash Input signalPWMAIR BAG
CommunicationK_LineB1Diagnostic Communication line K for TesterData
LINB8LIN network communication lineDataRPAS
CAN_HC7Can network communication line (high)Data
CAN_LC8Can network communication line (low)Data
OutputO_BuglarHornRlyC11Buglar alarm Relay outputLow
O_KeyHoleILLD22Key Hole Illumination outputLow
O_WiperRlyD14Front Wiper Relay outputLow
O_RRWiperRlyD4Rear Wiper Relay outputLow
O_HeadLampLowCtrlE19Head Lamp Low signalLow
O_BurglaarAlarmRlyC12Start Inhibit Relay outputLow
O_RearFogRlyD9Rear Fog Relay outputLow
O_TailLampRLYD5Tail Lamp Relay outputLow
O_HeadLampRLYD6Head Lamp low Relay outputLow
O_FRTFogRLYD8Front fog Lamp Relay outputLow
O_RRDeicerRLYD10Rear Deicer Relay outputLow
O_NaviWakeupD13Navi wakeup signal outputLow
O_Hazard_INDD15Hazard indicator signal outputLow
O_DRLockRLYD18Door Lock signal outputLow
O_DRUnlockRLYD19Door Unlock signal outputLow
O_DeadLockRLYD20Dead Lock signal outputLow
O_CTRDRLockINDE16Central Door Lock indicator outputLow
O_TailGateUnlockRLYD21Tail Gate Unlock signal outputLow5DR/3DR
O_TrunkUnlockRly4DR
O_AstSeatBeltINDD2Assist Seat Belt Indicator outputLow
O_RLSeatBeltINDE24Rear Left Seat Belt Indicator outputLow
O_CTRSeatBeltINDE23Center Seat Belt Indicator outputLow
O_RRSeatBeltINDE22Rear Right Seat Belt Indicator outputLow
O_AVTailD12AV Tail outputLowAV Module
O_ATMSolE20ATM Solenoid outputLow
O_HeadLampHiRLYD7Head Lamp high Relay outputLow
O_TurnSigRRRHE4Turn signal rear right signal outputHigh
O_RpadOffINDD16RPAS off Indicator outputHigh
O_TurnSigRRLHE5Turn signal rear left signal outputHigh
O_TurnSigFRRHE6Turn signal front right signal outputHigh
O_TurnSigFRLHE7Turn signal front left signal outputHigh
O_InteriorLampE13Interior Lamp autocut signal outputHigh
O_StaticBend_LHE14Static Bending left signal outputHigh
O_HeadLampHigh_LH(4DR)
O_StaticBend_RHE2Static bending right signal outputHigh
O_HeadLampHigh_RH(4DR)
O_RoomLampD3Room Lamp outputPWMLow Side
O_Dedicated_DRLE25Dedicated DRL signal outputHigh
PowerV_TurnPowerE3Turn signal IPS power
V_StaticBendE1Static bending IPS power
V_HeadLampHigh(4DR)
V_InteriorLampE12Interior Lamp autocut IPS power
V_Dedicated_DRLE26Dedicated DRL IPS power

Scheme 4

Scheme 4: Circuit Diagram

Scheme 5

Scheme 5

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.

Scheme 6

Scheme 6: BCM Overview

The BCM provides the following features

  1. Door lock control
  2. Burglar alarm control
  3. Decayed room lamp control
  4. Tailgate open control
  5. Warning(Buzzer and indicator) control
  6. Wiper control (Front/Rear)
  7. Lamp control (Tail, Head Lamp, Fog lamp, Room lamp, Rear Fog lamp, DRL, SBL Etc.)
  8. Defroster control
  9. Burglar Alarm Horn control
  10. Panic control
  11. MTS control
  12. RPAS control

Scheme 7

Scheme 7: Communication Network
SRxStand-alone RF Receiver
SMKSmart Key unit
CLUCluster
MFSWMulti-Function Switch
BCMBody Control Module
CANController Area Network

CALLOUTS FOR (Scheme 7)

Function - 2012

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

Function - 2013

FunctionDescription
Front Washer & WiperSettings: IGN2 On, - Action : Washer switch On and Off, - Response : Controlling wiper relay for 2.5~3.8 sec
INT WiperSettings: IGN2 On, - Action : Front wiper INT switch On, - Response : Controlling Wiper relay On/Off with 2.2~10 sec period depending on INT_Volume
MIist WiperSettings: IGN2 On, - Action : Mist switch On, - Response : Controlling Wiper relay On during Mist switch On
Rear Washer & WiperSettings: IGN2 On, - Action : Rear washer switch On and Off, - Response : Controlling rear wiper relay during switched On, - Controlling rear wiper relay for 2.5~3.8 sec. after switched Off
Rear Wiper ONSettings: IGN2 On, - Action : Rear wiper On, - Response : Controlling Rear wiper relay until switched Off
Rear INT WiperSettings: IGN2 On, - Action : Rear INT wiper On, - Response : Controlling Rear wiper relay with 6 sec. period

WIPER FUNCTION

FunctionDescription
InputOutput
Seatbelt WarningIGN On while belt off, - IGN On while belt on, - IGN On & Vehicle Speed > 9km/h while belt off, - IGN On & Vehicle Speed > 20km/h while belt off, - When IGN On & Vehicle Speed > 20km/h while belt on, belt off - When Vehicle Speed > 20km/h & belt Off and Seatbelt Indicator Blinking and buzzer warning, belt OnSeat Belt Indicator On until belt on - Seat Belt Indicator On for 6 sec. - Seat Belt Indicator blinking - Seat Belt Indicator blinking and buzzer warning starting - Seat Belt Indicator blinking and buzzer warning starting - Seat Belt Indicator Off and Buzzer Off
Parking Start WarningIGN1 On & Parking Brake switch On & Vehicle Speed > 5km/hParking Brake Warning Starting
RPAS WarningGear Position R and PAS Sensors detecting warningPAS Warning Starting according to warning level from PAS Sensors
SMK WarningSMK sends warning messages such asIDOUT WNG, ESCL Not locked Warning, ESCL Not Unlocked Warning, SSB WarningBuzzer warning Starting according to SMK Warning Message
Rear Defogger Front DeicerIGN1 On & Alternator On & Defogger switch OnDefogger On & Deicer On for 20 min
Power WindowIGN1 On, - IGN1 Off, - less than 30 sec. after IGN1 turned off, and Driver Door OpenPower Window enable all the time - 30sec. After IGN 1 turned off, Power Window disable - Power window disable immediately
Tail Lamp Auto CutKey In & Tail switch On --> Key Off --> Driver Door Open - Key In & Tail switch On --> Key Off --> Driver Door Open --> Tail switch Off --> Tail switch OnTail Lamp Off - Tail Lamp Off
Auto LightIGN1 On & Auto light switch On with day light condition - IGN1 On & Auto light switch On with night light condition - IGN1 on & Auto light switch on with day light condition --> night light condition - IGN1 on & Auto light switch on with night light condition --> day light conditionTail lamp Off, Head Lamp Off - Tail lamp On, Head Lamp On - 2.5sec. after sensing night light condition, Tail lamp On and Head Lamp On - 5sec. after sensing day light condition, Tail lamp Off and Head Lamp Off
Front Fog LampFront Fog switch On when IGN2 On & Tail lamp OnFront Fog Lamp on
Room LampAny Door Open, - All Door Closed & Key [On --> Off] & Any Door Unlock, - All Door Closed & Key [On --> Off] & All Door Lock, - Tx Unlock, - Tx Lock while Room Lamp OnRoom Lamp On for 20min. - Room Lamp On for 30sec. - Room Lamp Off - Room Lamp On for 30sec. - Room Lamp Off
Head LampIGN2 On & Head Lamp switch OnHead Lamp On
EscortIGN2 On, Head Lamp switch On ? IGN Off, - IGN2 On, Head Lamp switch On ? IGN Off --> Driver Door Open -->? Drive Door CloseHead Lamp On for 20 min. - Head Lamp On for 30 sec.
Head Lamp WelcomeHead Lamp switch On & All Door Closed & All Door Locked & Key Off & TX Unlock, - Head Lamp switch On & All Door Closed & All Door Locked & Key Off & TX Unlock --> TX Lock before 15 sec timer expired, - Auto light switch On & night light condition & All Door Closed & All Door Locked & Key Off & TX UnlockHead Lamp On & Tail lamp On for 15 sec. - Head Lamp Off just after TX Lock - Head Lamp On & Tail lamp On for 15 sec.
Key ReminderKey On & Driver/Assist door Open & Central switch Lock switch On, - Key On & Driver/Assist Door Open & Driver/Assist Knob changes unlock --> lockAll Door Unlock. If knob keeps being in lock, BCM retries unlock 3 times - All Door Unlock. If knob keeps being in lock, BCM retries unlock 3 times
Passive ReminderPassive Reminder signal received from SMKAll Door Unlock and Buzzer warning starts
Crash UnlockKey On & Crash Signal receivedAll Door Unlock for 5 sec.Speed Sensing Auto door Lock
Speed Sensing Auto door LockIGN1 On & Alternator On & Any Door Unlock & Vehicle Speed >15km/h, - IGN1 On & Alternator On & Vehicle Speed >15km/h & All Door Lock -->Any Door unlockAll Door Lock - All Door Lock
Shift-Lever Auto door LockIGN1 On & Alternator On & Shift-Lever Position [R] --> not [R]All Door Lock
Key Off Auto Door UnlockAny Door Lock & Key [In] --> [Off]All Door Unlock
Shift-Lever Auto door UnlockIGN1 On & Alternator On & Shift-Lever Position not [R] -->[R]All Door Unlock
Navi Wake upKey Out & Tx Unlock/Passive Unlock receivedNavigation Wakeup Signal sends - No re-send within 1 min.
Tail Gate ReleaseAll Door Unlock & Tail Gate Open switch On, - Passive Tailgate signal receivedTailgate Release - Tailgate Release
AntitheftAll Door Closed & Key Off & Tx Lock & All Door Closed, - [Arm state] Door open without Tx unlock/Passive Unlock signalArmwait for 30 sec. - Arm after 30 sec. without any interrupts - Horn activates, Hazard lamp blinks

BCM FUNCTION

Scheme 8

Scheme 8: Removal
  1. Disconnect the negative (-) battery terminal.
  2. Remove the crash pad lower panel. (Refer to the " «INTERIOR (CRASH PAD)»(ref-536097-S26973898002013031400000) ") NOTE: Take care not to scratch the crash pad and related parts.
  3. Disconnect the connectors and remove the BCM (A) after loosening the nut and the bolt.