BCM Connector Terminals
BCM Inputs Description and Characteristics

Description

Input  Characteristics

Power

Source(Pull Up)

Input acquisition VBAT Threshold Voltage

Supplying power

Pull down (Analog)

-

-

IGN1 SW

Pull down(B+ Backup Line)(ON:VB,OFF:Open)

-

Min:7V Max17.5V

IGN2 SW

Pull down(ON:VB,OFF:Open)

-

Min:7V Max17.5V

ACC

Pull down(ON:VB,OFF:Open)

-

Min:7V Max17.5V

Mist SW

Pull down(ON:VB,OFF:Open)

-

Min:7V Max17.5V

Brake SW

Pull down(ON:VB,OFF:Open)

-

Min:7V Max17.5V

Tail SW

Pull up(ON:Gnd,OFF:Open)

B+

Min:7V Max17.5V

Key IN SW

Pull up(ON:Gnd,OFF:Open)

B+

Min:7V Max17.5V

Crash Unlock Input

Pull up(ON:Gnd,OFF:Open)

B+

Min:7V Max17.5V

Defogger SW

Pull up (ON:Gnd,OFF:Open)

IGN1

Min:7V Max17.5V

Auto light SW

Pull up (ON:Gnd,OFF:Open)

B+

Min:7V Max17.5V

Rear washer SW

Pull down(ON:VB,OFF:Open)

-

Min:7V Max17.5V

Rear wiper SW

Pull down(ON:VB,OFF:Open)

-

Min:7V Max17.5V

Front washer SW

Pull down(ON:VB,OFF:Open)

-

Min:7V Max17.5V

Front wiper INT SW

Pull down(ON:VB,OFF:Open)

-

Min:7V Max17.5V

Rear wiper INT SW

Pull down(ON:VB,OFF:Open)

-

Min:7V Max17.5V

SideAirBag SW

Pull up(ON:Gnd,OFF:Open)

B+

Min:7V Max17.5V

P-position SW

Pull up (ON:Gnd,OFF:Open)

B+

Min:7V Max17.5V

RPAS Off SW

Pull up (ON:Gnd,OFF:Open)

IGN1

Min:7V Max17.5V

Head Lamp HI SW

Pull up (ON:Gnd,OFF:Open)

IGN1

Min:7V Max17.5V

Head Lamp Low SW

Pull up (ON:Gnd,OFF:Open)

B+

Min:7V Max17.5V

Front Fog Lamp SW

Pull up (ON:Gnd,OFF:Open)

B+

Min:7V Max17.5V

Rear Fog SW

Pull up(ON:Gnd,OFF:Open)

IGN1

Min:7V Max17.5V

Front Wiper INT Volume

Pull up (Analog)

IGN1

Min:7V Max17.5V

Auto Light Sensor

Pull down (Analog)

-

Min:7V Max17.5V

BCM Outputs Description and Characteristics

Description

Pin Description

Load

Supplying Power with Auto Light Module

Output

-

PAS off indicator output

Output(PWM)

LED

Room Lamp output

Output (PWM)

Lamp

Foot Lamp output

Output (PWM)

Lamp

Key solenoid output

Output

Solenoid

Key hole illumination lamp output

Output

Lamp

Head Lamp Washer relay output

Output

Relay

Wiper relay output

Output

Relay

Assist seat belt indicator output

Output

LED

ATM shift lock solenoid output

Output

Solenoid

Safety power window enable output

Output

-

Security led indicator output

Output

LED

AV tail signal output

Output

-

Head lamp low output state signal

Output

-

BCM Interface Description and Characteristics

Pin Name

Pin Description

Interface

ON

Voltage (ON/OFF)

B+

Supplying power with ECU

12V (Battery Voltage)

On:7~17.1Off:6.6or less,17.5or more

IGN1

High side Switch

ON=12V

On:7or more, Off: less than 4

IGN2

High side Switch

ON=12V

On:7.8or more, Off:7.1or less

ACC

High side Switch

ON=12V

On:7.8or more, Off:7.1or less

WiperMistSW

High side Switch

ON=12V

On:4.7or more, Off: less than 4.0

BrakeSW

High side Switch

ON=12V

On:4.7or more, Off: less than 4.0

TailSW

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

KeyInSW

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

DefoggerSW

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

AutoLightSW

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

RearWasherSW

High side Switch

ON=12V

On:4.7or more, Off: less than 4.0

RearWiperSW

High side Switch

ON=12V

On:4.7or more, Off: less than 4.0

WasherSW

High side Switch

ON=12V

On:4.7or more, Off: less than 4.0

WiperIntmtSW

High side Switch

ON=12V

On:4.7or more, Off: less than 4.0

RearWiperIntmtSW

High side Switch

ON=12V

On:4.7or more, Off: less than 4.0

SideAirBagOPTGND

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

KeyInterlockSW

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

PAS SW

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

HeadLampHighSW

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

HeadLampLowSW

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

FrontFogSW

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

RearFogSW

Low Side Switch

ON=GND

On: less than 4.0, Off:4.7or more

WiperIntmtVol

Analog Input

H=5V, L=0V

-

AutoLightSnsr

Analog Input

H=5V, L=0V

-

CrashUnlock

PWM Input

H=12V L=0V

On: less than 4.0,Off:4.7or more

AutoLightPwr

Power Output

5V

On:3.2or more, Off: less than 1.7

AutoLightGND

Ground output

0V

On: less than 1.7, Off: 3.2or more

PAS IND

Output (PWM)

-

No

RoomLamp

Output (PWM)

-

No

FootLamp

Output (PWM)

-

No

KeySOL

Output (Low Active)

-

No

KeyHoleIllum

Output (Low Active)

-

HeadLampWasherRly

Output (Low Active)

-

WiperRly

Output (Low Active)

-

ASTSearBeltIND

Output (Low Active)

-

ATMSOL

Output (Low Active)

-

SafetyPwdwEnable

Output (High Active)

H=12V, L=0V -

SecurityIND

Output (Low Active)

-

AVTail

Output (Low Active)

-

HeadLampLowCTRL

Output (Low Active)

-

DIAGNOSIS (K-LINE)

Diagnostic Communication line K

 

LIN (BackUpSiren)

LIN Communication line for BackUpSiren

 

LIN (PAS)

LIN Communication line for PAS

 

CAN_H

CAN high Signal

 

CAN_L

CAN low Signal

 

GND (Power)

Ground for BCM Power

 

GND (Signal)

Ground for BCM Signal

 

Pin Arrangement
Pin Description

Pin No.

Name

Description

A1

B+

Supply power to BCM

A2

IGN1

Ignition1 voltage signal input

A3

IGN2

Ignition2 voltage signal input

A4

ACC

Accessory voltage signal input

A5

WiperMistSW

Wiper mist switch signal input

A6

TailSW

Tail switch signal input

A7

KeyIn

Key insertion signal input

A8

CrashUnlock

Crash unlock signal input

A9

-

-

A10

DefoggerSW

Defogger switch signal input

A11

AutoLightSW

Auto light switch signal input

A12

-

-

A13

BrakeSW

Brake switch signal input

A14

RearWasherSW

Rear washer switch signal input

A15

RearWiperSW

Rear wiper switch signal input 

A16

WasherSW

Front washer switch signal input

A17

WiperIntmtSW

Front wiper intermittent switch signal input

A18

RearWiperIntmtSW

Rear wiper intermittent switch signal input

A19

-

-

A20

KeyInterlockSW

P-position signal input

A21

WiperIntmtVol

Front wiper intermittent volume switch signal input

A22

-

-

A23

PASSW

PAS switch signal input

A24

GND(Signal)

Signal(BCM) ground

B1

HeadLampHighSW

Head lamp passing switch signal & Head Lamp High switch signal input

B2

HeadLampLowSW

Head lamp low switch signal input

B3

SideAirBagOPTGND

Side Air Bag signal input

B4

Diagnosis(K-Line)

Diagnostic Communication line K for Tester

B5

LIN_PAS

Lin Communication line (PAS)

B6

AutoLightPwr

Auto light power output

B7

AutoLightSnsr

Auto light sensor signal input

B8

AutoLightGND

Auto light ground

B9

-

-

B10

FrontFogSW (Self Return Type)

Front fog lamp switch signal input

B11

RearFogSW (Self Return Type)

Rear fog lamp switch signal input

B12

LIN_BackUpSiren

Lin communication line (BackUpSiren)

B13

-

-

B14

-

-

B15

-

-

B16

-

-

B17

-

-

B18

CAN_HIGH

Can network communication line(high)

B19

CAN_LOW

Can network communication line(low)

B20

HeadLampLowCTRL

Head lamp low output state signal

C1

RoomLamp

Room Lamp output

C2

-

-

C3

SecurityIND

Security led indicator output

C4

PASIND

PAS indicator output

C5

SafetyPwdwEnable 

Safety power window enable output

C6

AVTail

AV tail signal output

C7

KeyHoleIllum

Key hole illumination lamp output

C8

ASTSeatBeltIND

Assist seat belt indicator output

C9

-

-

C10

ATMSOL

ATM shift lock solenoid output

C11

KeySOL

Key solenoid output

C12

-

-

C13

FootLamp

Foot Lamp output

C14

-

-

C15

-

-

C16

-

-

C17

GND(Power)

Power ground

C18

HeadLampWasherRly

Head lamp washer relay output

C19

-

-

C20

WiperRly

Front wiper relay output

C21

-

-

C22

-

-

C23

-

-

C24

PuddleLamp(Reserved)

Pudle lamp output  signal

Circuit Diagram
Яндекс.Метрика