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Kia Sportage: Body Control Module (BCM): Repair procedures - BCM (Body Control Module) - Body Electrical System - Kia Sportage SL Service & Repair ManualKia Sportage: Body Control Module (BCM): Repair procedures

Third generation SL (2010–2016) / Kia Sportage SL Service & Repair Manual / Body Electrical System / BCM (Body Control Module) / Body Control Module (BCM): Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to the BD group - "Crash pad")
3.
Remove the BCM (A) after removing the nuts, connectors and antenna cable.

Installation
1.
Install the BCM after connecting the connectors and cable.
2.
Install the crash pad lower panel.
3.
Connect the negative (-) battery terminal.
Inspection
BCM Pin Information

Connector (A/B/C)
NO
Description
NO
Description
NO
Description
A1
Battery power supply
B1
Head Lamp High swtich signal input
C1
RR SeatBelt IND ontrol
A2
IGN1 power supply
B2
Head Lamp Low swtich signal input
C2
RC SeatBeltI ND control
A3
IGN2 power supply
B3
Hazard IND control
C3
AST SeatBelt IND control
A4
ACC power supply
B4
K-Line communication 
C4
Key SOL output 
A5
Wiper Mist  swtich signal input
B5
LIN_RCR Sensor Status output
C5
RoomLamp output
A6
Tail  swtich signal input
B6
AutoLight Power supply
C6
TurnSig FLH output
A7
KeyIn  swtich signal input
B7
CAN HIGH
C7
TurnSig FRH output
A8
CrashUnlock signal input
B8
AutoLight Sensor level signal input
C8
TurnSig RLH output
A9
Turn Sig RH  swtich signal input
B9
RPAS Off IND control
C9
TurnSig RRH output
A10
Defogger  swtich signal input
B10
Front Fog swtich signal input
C10
Battery power supply
A11
AutoLight  swtich signal input
B11
Rear Fog swtich signal input
C11
Battery power supply
A12
Hazard IND Power supply
B12
LIN_BackUpSiren output 
C12
GND
A13
RPAS Power supply
B13
LIN_RL Sensor Status output
C13
RL SeatBet IND control
A14
Rear Washer  swtich signal input
B14
RPAS power GND
C14
AVTail output
A15
Rear Wiper  swtich signal input
B15
LIN_RCL Sensor Status output
C15
Door Unlock signal control (to NAVI)
A16
Washer swtich signal input
B16
LIN_RR Sensor Status output
C16
Safety P/window Enable control
A17
Wiper INT swtich signal input
B17
-
C17
RPAS warning Buzzer output
A18
Rear Wiper INT swtich signal input
B18
CAN_LOW
C18
Key Hole Illum output
A19
Hazard swtich signal input
B19
AutoLight  power GND
C19
HeadLamp Washer Relay output
A20
Key Interlock swtich signal input
B20
Head LampLow signal output
C20
Wiper Relay output
A21
Wiper INT Vol level signal input
?
C21
Cornering Lamp RH output
A22
Turn Sig LH swtich signal input
C22
Cornering Lamp LH output
A23
RPAS Off swtich signal input
C23
Rear Fog Relay output
A24
GND
C24
Horn output control 

Inputs Description and Characteristics
Signal Name
Description
Input  Characteristics(determinant conditionof connector base)
Power Source(Pull Up)
L_B+
Battery power supply
Pull down (Analog)
-
L_IGN1
IGN1 power supply
Pull down(B+ Backup Line)(ON:VB,OFF:Open)
-
L_IGN2
IGN2 power supply
Pull down(ON:VB,OFF:Open)
-
A_ACC
ACC power supply
Pull down(ON:VB,OFF:Open)
-
L_WiperMistSW
WiperMist SW signal input
Pull down(ON:VB,OFF:Open)
-
L_TailSW
Tail SW signal input
Pull up(ON:Gnd,OFF:Open)
B+
L_KeyIn
KeyIn SW signal input
Pull up(ON:Gnd,OFF:Open)
B+
P_CrashUnlock
CrashUnlock signal input
Pull up(ON:Gnd,OFF:Open)
B+
L_TurnSigRHSW
TurnSigRHSW signal input
Pull up(ON:Gnd,OFF:Open)
IGN1
L_DefoggerSW
DefoggerSW signal input
Pull up(ON:Gnd,OFF:Open)
IGN1
L_AutoLightSW
AutoLightSW signal input
Pull up(ON:Gnd,OFF:Open)
IGN1
L_RearWasherSW
RearWasherSW signal input
Pull down(ON:VB,OFF:Open)
-
L_RearWiperSW
RearWiperSW signal input
Pull down(ON:VB,OFF:Open)
-
L_WasherSW
WasherSW signal input
Pull down(ON:VB,OFF:Open)
-
L_WiperIntmtSW
WiperIntmtSW signal input
Pull down(ON:VB,OFF:Open)
-
L_RearWiperIntmtSW
RearWiperIntmtSW signal input
Pull down(ON:VB,OFF:Open)
-
L_HazardSW
HazardSW signal input
Pull up(ON:Gnd,OFF:Open)
B+
L_KeyInterlockSW
KeyInterlockSW signal input
Pull up(ON:Gnd,OFF:Open)
B+
A_WiperIntmtVol
WiperIntmtVol level signal input
Pull down(ON:VB,OFF:Open)
-
L_TurnSigLHSW
TurnSigLHSW signal input
Pull up(ON:Gnd,OFF:Open)
IGN1
L_RPASOffSW
RPASOffSW signal input
Pull up(ON:Gnd,OFF:Open)
B+
L_HeadLampHighSW
HeadLampHighSW signal input
Pull up(ON:Gnd,OFF:Open)
IGN1
L_HeadLampLowSW
HeadLampLowSW signal input
Pull up(ON:Gnd,OFF:Open)
IGN1
A_AutoLightSnsr
AutoLightSnsr level signal input
Pull down (Analog)
-
L_FrontFogSW
FrontFogSW signal input
Pull up(ON:Gnd,OFF:Open)
B+
L_RearFogSW
RearFogSW signal input
Pull up(ON:Gnd,OFF:Open)
IGN1

Outputs Description and Characteristics
Pin Name
Description
Load
Diagnosis
O_HazardIllIND
HazardIll IND control
LED
No
O_RPASOffIND
RPASOff IND control
LED
No
O_HeadLampLowCTRL
HeadLampLow signal output
-
No
O_RRSeatBeltIND
RRSeatBelt IND ontrol
LED
No
O_RCSeatBeltIND
RCSeatBeltI ND control
LED
No
O_ASTSeatBeltIND
ASTSeatBelt IND control
LED
No
O_KeySOL
KeySOL output
Solenoid
No
O_RoomLamp
RoomLamp output
Lamp
No
O_TurnSigFLH
TurnSig FLH output
Lamp
Yes
O_TurnSigFRH
TurnSig FRH output
Lamp
Yes
O_TurnSigRLH
TurnSig RLH output
Lamp
Yes
O_TurnSigRRH
TurnSig RRH output
Lamp
Yes
V_HazardIllINDPwr
HazardIllIND Power supply
-
 
V_RPASPwr
RPAS Power supply
-
 
V_AutoLightPwr
AutoLight Power supply
-
 

Module Interface Description and Characteristics
Pin Name
Pin Description
Interface
L_B+
Supplying power with ECU
12V (Battery Voltage)
L_IGN1
High side SW
ON=12V
L_IGN2
High side SW
ON=12V
A_ACC
High side SW
ON=12V
L_WiperMistSW
High side SW
ON=12V
L_TailSW
Low Side SW
ON=GND
L_KeyIn
Low Side SW
ON=GND
P_CrashUnlock
PWM Input
H=12 L=0V
L_TurnSigRHSW
Low Side SW
ON=GND
L_DefoggerSW
Low Side SW
ON=GND
L_AutoLightSW
Low Side SW
ON=GND
V_HazardIllINDPwr
Power Output
ON=12V
V_RPASPwr
Power Output
ON=8.5V
L_RearWasherSW
High side SW
ON=12V
L_RearWiperSW
High side SW
ON=12V
L_WasherSW
High side SW
ON=12V
L_WiperIntmtSW
High side SW
ON=12V
L_RearWiperIntmtSW
High side SW
ON=12V
L_HazardSW
Low Side SW
ON=GND
L_KeyInterlockSW
Low Side SW
ON=GND
A_WiperIntmtVol
Analog Input
H=5V, L=0V
L_TurnSigLHSW
Low Side SW
ON=GND
L_RPASOffSW
Low Side SW
ON=GND
GND(Signal)
GND
 
L_HeadLampHighSW
Low Side SW
ON=GND
L_HeadLampLowSW
Low Side SW
ON=GND
O_HazardIllIND
Output (Low Active)
 
Diagnosis(K-Line)
K-LINE Communication
 
LIN_RCRSnsrStatus
LIN Communication
 
V_AutoLightPwr
Power Output
H=5V, L=0V
CAN_HIGH
CAN high Signal
 
A_AutoLightSnsr
Analog Input
H=5V, L=0V
O_RPASOffIND
Output (Low Active)
 
L_FrontFogSW
Low Side SW
ON=GND
L_RearFogSW
Low Side SW
ON=GND
LIN_BackUpSiren
LIN Communication
 
LIN_RLSnsrStatus
LIN Communication
 
V_RPASGND
GND
 
LIN_RCLSnsrStatus
LIN Communication
 
LIN_RRSnsrStatus
LIN Communication
-
NC
-
-
CAN_LOW
CAN low Signal
-
V_AutoLightGND
GND
-
O_HeadLampLowCTRL
Output (signal)
-
O_RRSeatBeltIND
Output (Low Active)
-
O_RCSeatBeltIND
Output (Low Active)
-
O_ASTSeatBeltIND
Output (Low Active)
-
O_KeySOL
Output (Low Active)
-
O_RoomLamp
Output (PWM)
-
O_TurnSigFLH
Output (High Active)
-
O_TurnSigFRH
Output (High Active)
-
O_TurnSigRLH
Output (High Active)
-
O_TurnSigRRH
Output (High Active)
-
B+(Pwr_1)
Supplying power (Turn signal)
-
B+(Pwr_2)
Supplying power (Turn signal)
-
GND(Power)
GND
-
O_RLSeatBeltIND
Output (Low Active)
-
O_AVTail
Output (Low Active)
-
O_DRUnlockOUT
Output (Pulse)
-
O_SafetyPwdwEnable
Output (Low Active)
-
O_RPASWarningBuzzer
Output (Low Active)
-
O_KeyHoleIllum
Output (Low Active)
-
O_HeadLampWasherRly
Output (Low Active)
-
O_WiperRly
Output (Low Active)
-
O_EuropeCorneringLampRH
Output (Low Active)
-
O_EuropeCorneringLampLH
Output (Low Active)
-
O_RearFoggrRLY
Output (Low Active)
-
O_Horn(NA)
Output (Low Active)
-

Trouble Diagnostics When Using GDS
1.
The BCM can be diagnosed by using the GDS. The BCM communicates with the GDS which then displays inputs and outputs along with codes.
2.
To diagnose the BCM function, select the vehicle model and BCM.

3.
To consult the present input/out value of BCM, "Current DATA". It provides information of BCM input/output conditions of power supply, turn signal/brake lamp, headlamp, door locks, outside mirror, wiper, auto-light and transmitters etc.

4.
To perform functional test on BCM outputs, select "Actuation Test"

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