REPLACEMENT
1.

Disconnect the negative (-) battery terminal.

2.

Remove the crash pad lower panel (A). Avoid damaging retaining clip. (Refer to the Body group - Crash pad)

[LHD]
[RHD]
3.

Remove the body control module (A) and antenna cable after loosening 3 bolts and disconnecting connector.

4.

Installation is the reverse of removal.

INSPECTION
BCM CONNECTORS

PIN NO

CONNECTOR A

CONNECTOR B

CONNECTOR C

CONNECTOR D

1

Battery voltage

Tail switch

Front fog lamp switch

Defogger switch

2

-

Tailgate key lock switch

INT switch

Unlock relay

3

Ground 1

Drive door switch

-

Lock relay

4

Room lamp

Hood switch

-

DRL relay

5

ALT "L"

Tailgate key unlock switch

-

Head lamp low relay

6

IGN1

Drive actuator unlock switch

Vehicle speed

Wiper relay

7

ARM buzzer

Power window unlock switch

K-line

Hazard relay

8

AV tail output

Drive key lock switch

Code save

-

9

Head lamp high switch

Assistant key unlock switch

Rear fog lamp switch

Head lamp high indicator

10

ACC(L_MIST)

Crash unlock

Washer switch

Key illumination lamp

11

Key IN switch

Overspeed input

DRL switch

-

12

IGN2

Sunlight sensor

-

Burglar alarm relay

13

-

Sunlight sensor power

INT volume

Driver unlock relay

14

3KM to IMS

Seat belt switch

-

Tail relay

15

4Door switch

-

Head lamp high relay

16

Assistant door switch

-

Rear fog lamp relay

17

Tailgate switch

Horn relay

18

Rear actuator unlock switch

Power window relay

19

Assistant actuator unlock switch

Seat belt indicator

20

Power window lock switch

Security indicator

21

Driver key unlock switch

Safety power window

22

Defogger switch

Ground 1

23

Parking brake switch

24

Head lamp switch

25

Auto light switch

26

Sunlight switch

BCM INPUT/OUTPUT SPECIFICATION
CONNECTOR A

PIN NO.

PIN NAME

Input acquisition threshold voltage

(Operating Voltage 9V to 16V at normal temperature / Output type)

A01

BATTERY VOLTAGE

9V ~ 16V

A02

-

-

A03

GROUND 1

GND

A04

ROOM LAMP

Low side / FET

A05

ALT "L"

Analog input

A06

IGN1 SW

ON

6V above

OFF

2V below

A07

ARM BUZZER

10V above

A08

AV TAIL OUTPUT

1V below

A09

HEAD LAMP HIGH SW

ON

6V above

OFF

2V below

A10

ACC (L_MIST)

ON

6V above

OFF

2V below

A11

KEY IN SW

ON

6V above

OFF

2V below

A12

IGN2 SW

ON

6V above

OFF

2V below

A13

-

-

A14

3KM TO IMS

Low side / FET

CONNECTOR B

PIN NO.

PIN NAME

Input acquisition threshold voltage

(Operating Voltage 9V to 16V at normal temperature / Output type)

B01

TAIL SW

ON

6V above

OFF

2V below

B02

TAILGATE KEY LOCK SW

ON

6V above

OFF

2V below

B03

DRIVER DOOR SW

ON

6V above

OFF

2V below

B04

HOOD SW

ON

6V above

OFF

2V below

B05

TAILGATE KEY UNLOCK SW

ON

6V above

OFF

2V below

B06

DRIVER ACTUATOR UNLOCK SW

ON

6V above

OFF

2V below

B07

POWER WINDOW UNLOCK SW

ON

6V above

OFF

2V below

B08

DRIVER KEY LOCK SW

ON

6V above

OFF

2V below

B09

ASSISTANT KEY UNLOCK SW

ON

6V above

OFF

2V below

B10

CRASH UNLOCK

ON

6V above

OFF

2V below

B11

OVERSPEED INPUT

ON

6V above

OFF

2V below

B12

SUNLIGHT SENSOR

Analog input

B13

SUNLIGHT SENSOR POWER

5V output, Analog input

B14

SEAT BELT SW

ON

6V above

OFF

2V below

B15

4DOOR SW

ON

6V above

OFF

2V below

B16

ASSISTANT DOOR SW

ON

6V above

OFF

2V below

B17

TAILGATE SW

ON

6V above

OFF

2V below

B18

REAR ACTURATOR UNLOCK SW

ON

6V above

OFF

2V below

B19

ASSISTANT ACTUATOR UNLOCK SW

ON

6V above

OFF

2V below

B20

POWER WINDOW LOCK SW

ON

6V above

OFF

2V below

B21

DRIVER KEY UNLOCK SW

ON

6V above

OFF

2V below

B22

DEFOGGER SW

ON

6V above

OFF

2V below

B23

PARK BRAKE SW

ON

6V above

OFF

2V below

B24

HEAD LAMP SW

ON

6V above

OFF

2V below

B25

AUTO LIGHT SW

ON

6V above

OFF

2V below

B26

SUNLIGHT SENSOR GROUND

GND

CONNECTOR C

PIN NO.

PIN NAME

Input acquisition threshold voltage

(Operating Voltage 9V to 16V at normal temperature / Output type)

C01

FRONT FOG SW

ON

6V above

OFF

2V below

C02

INT SW

ON

6V above

OFF

2V below

C03

-

-

C04

-

-

C05

-

-

C06

VEHICLE SPEED

Frequency Input

C07

DIAGNOSIS LINE

Communication Line

C08

CODE SAVE

ON

6V above

OFF

2V below

C09

REAR FOG SW

ON

6V above

OFF

2V below

C10

WASHER SW

ON

6V above

OFF

2V below

C11

DRL OPTION LINE

ON

6V above

OFF

2V below

C12

-

-

C13

INT VOLUME

Analog input

C14

-

-

C15

-

-

C16

-

-

CONNECTOR D

PIN NO.

PIN NAME

Input acquisition threshold voltage

(Operating Voltage 9V to 16V at normal temperature / Output type)

D01

DEFOGGER RELAY

Low side / FET

D02

UNLOCK RELAY

Low side / FET

D03

LOCK RELAY

Low side / FET

D04

DRL RELAY

Low side / FET

D05

HEAD LAMP LOW RELAY

Low side / FET

D06

WIPER RELAY

Low side / FET

D07

HAZARD RELAY

Low side / FET

D08

-

-

D09

HEAD LAMP HIGH INDICATOR

Low side / TR

D10

KEY ILLUMINATION LAMP

High side / TR

D11

-

-

D12

BURGLAR ALARM RELAY

Low side / FET

D13

DRIVER UNLOCK RELAY

Low side / FET

D14

TAIL RELAY

Low side / FET

D15

DRL CANADA RELAY

Low side / FET

D16

REAR FOG RELAY

Low side / FET

D17

HORN RELAY

Low side / FET

D18

POWER WINDOW RELAY

Low side / FET

D19

SEATBELT INDICATOR

Low side / TR

D20

SECURITY INDICATOR

Low side / TR

D21

SAFETY POWER WINDOW

Low side / FET

D22

GROUND1

GND

BCM CURRENT DATA

The body control module can diagnose with the diagnosis tool more quickly.

The BCM communicates with the diagnosis tool and then reads the input/output value and drives the actuator.

INPUT/OUTPUT VALUE

SECTION

BCM DISPLAY

ABBREVIATION

UNIT

REMARKS

POWER

IGN1

IG1

OFF/ON

INPUT

IGN2

IG2

OFF/ON

INPUT

ALT L

ALT VOLT

OFF/ON

INPUT

KEY IN SW

KEY IN

OUT/IN

INPUT

STARTER INHIBIT RELAY(+RK)

INHIBIT

ENABLE/ STOP

OUTPUT

POWER WINDOW RELAY

P/WDW RLY

OFF/ON

OUTPUT

AUTO LIGHT POWER

LIGHT PWR

OFF/ON

 

LAMP

TAIL LAMP SW

TAIL SW

OFF/ON

INPUT

AUTO LIGHT SW(-DRL)

LIGHT SW

OFF/ON

INPUT

HEAD LAMP SW

HEAD/L SW

OFF/ON

INPUT

FRONT FOG SW

FF FOG SW

OFF/ON

INPUT

H/LAMP HIGH SW

H/LAMP HI

OFF/ON

INPUT

DRL OPTION LINE SW

DRL

NONE/DRL

INPUT

TAIL LAMP RELAY

TAIL RLY

OFF/ON

OUTPUT

HEAD LAMP RELAY

H/L RLY

OFF/ON

OUTPUT

HAZARD LAMP RELAY(+RK)

HAZARD RL

OFF/ON

OUTPUT

DRIVER SEAT BELT IND.

D S/BELT

OFF/ON

OUTPUT

ROOM LAMP

ROOM LAMP

OFF/ON

OUTPUT

IGN KEY HOLE ILL.

KEY ILL.

OFF/ON

OUTPUT

SECURITY INDICATOR

S/IND.

OFF/ON

OUTPUT

DRL RELAY

DRL RLY

OFF/ON

OUTPUT

H/LAMP HIGH RLY

H/L RLY

OFF/ON

OUTPUT

H/LAMP HIGH IND.

H/L IND.

OFF/ON

OUTPUT

ENTER ANCE

DRIVER DOOR OPEN SW

D/DOOR SW

CLOSED/ OPEN

INPUT

ASSIST DOOR OPEN SW

A/DOOR SW

CLOSED/ OPEN

INPUT

4 DOOR SWITCH

4DOOR SW

CLOSED/ OPEN

INPUT

TAIL GATE SW

TAIL

CLOSED/ OPEN

INPUT

HOOD SWITCH(+RK)

HOOD SW

CLOSED/ OPEN

INPUT

LOCK / UNLOCK

DR.DOOR ACT.POSI.SW

D/DR ACT

UNLOCK/ LOCK

INPUT

AS.DOOR ACT.POSI.SW

A/DR ACT

UNLOCK/ LOCK

INPUT

RH,RR,T/GATE ACT POSI.SW

ACT SW

UNLOCK/ LOCK

INPUT

DR.DOOR KEY LOCK SW

DR KEY SW

OFF/ON

INPUT

DR.DOOR KEY UNLOCK SW

D/DR KEY

OFF/ON

INPUT

AS.DOOR KEY UNLOCK SW

A/DR KEY

OFF/ON

INPUT

T/GATE KEY UNLOCK SW

TRUNK SW

OFF/ON

INPUT

CTRL DOOR LOCK SW

CTRL D/LO

OFF/ON

INPUT

CTRL DOOR UNLOCK SW

CTRL D/UN

OFF/ON

INPUT

CRASH UNLOCK SIGNAL

CRASH SIG

OFF/ON

INPUT

DOOR LOCK RELAY

DR L/RLY

OFF/ON

OUTPUT

DOOR UNLOCK RELAY

DR U/RLY

OFF/ON

OUTPUT

T/GATE KEY LOCK SW

TRUNK SW

OFF/ON

OUTPUT

DEAD LOCK RELAY

 

OFF/ON

OUTPUT

WIPER DEFFO GER

WASHER SWITCH

WASHER SW

OFF/ON

INPUT

INT.WIPER SWITCH

INT SW

OFF/ON

INPUT

REAR DEFOGGER SW

RR DEF SW

OFF/ON

INPUT

H/LAMP WASHER SW

H/WASHER

OFF/ON

INPUT

WIPER RELAY

WIPER RLY

OFF/ON

OUTPUT

REAR DEFOGGER RELAY

RR DEF RLY

OFF/ON

OUTPUT

H/LAMP WASHER RLY

H/L RLY

OFF/ON

OUTPUT

MIST SW

MIST SW

OFF/ON

INPUT

WARNING

OVER SPEED INPUT

O/SPEED

OFF/ON

INPUT

DRIVER SEAT BELT SW

D S/B SW

UNBUCKLED /BUCKLED

INPUT

P/BRAKE SW

P/BRAKE

UNPARK/ PARK

INPUT

BUGLAR HORN RELAY

BUR. RLY

OFF/ON

OUTPUT

CHIME BELL

CHIM. BELL

OFF/ON

OUTPUT

ANALOG INPUT SIGNAL

INT. VOLUME(-RAIN)

INT. VOL

V

INPUT

AUTO LIGHT SNSR

A/LIGHT

V

INPUT

SPEED SIGNAL

VSS

Km/h

INPUT

ETC

SAFETY P/W ECU

P/W ECU

OFF/ON

INPUT

BCM ACTUATOR OPERATION

SCAN tool can operates all actuators controlled by BCM by force.

NO.

BCM DISPLAY

1

Tail lamp

2

Head lamp low

3

Head lamp high

4

Head lamp high indicator

5

Front fog lamp

6

Front fog lamp indicator

7

Rear fog lamp

8

Day Running light

9

Low speed wiping relay

10

High speed wiping relay

11

Defroster relay

12

Trunk release

13

B/A Horn

14

Room Lamp

15

Hazard Lamp + Flasher Buzzer Output

16

Left turn signal + Flasher Buzzer Output

17

Right turn signal + Flasher Buzzer Output

18

Buzzer

19

Key illumination

20

Seat Belt Indicator(Driver side and Assist side)

21

Head Lamp Washer

22

Start Inhibition output

23

External Buzzer output

24

Security Led output

25

Rear RH Power window Up

26

Rear RH Power Window Down

27

Rear LH Power window Up

28

Rear LH Power Window Down

29

Foot lamp output

30

AV TAIL output

BCM DIAGNOSIS WITH SCAN TOOL
1.

It will be able to diagnose defects of BCM with scan tool quickly. Scan tool can operates actuator forcefully, input/output value monitoring and self diagnosis.

2.

Select model and menu.

3.

Select "Current data", if you will check current data of BCM. It provides power supply status, multi function status, lamp status, door status, lock system status, wiper, auto light status and so on.

4.

If you will check BCM data operation forcefully, select "Actuation test".

5.

You can turn ON/OFF as below option function with the user option program.

(1)

LOCK / UNLOCK comfirming alarm: Alarm sound ON/OFF control when you LOCK/UNLOCK doors with transmitter.

(2)

Mechanical LOCKING system: Arm/Disarm ON/OFF when you lock the door with the mechanical key.

(3)

AUTO DOOR LOCK/UNLOCK system ON/OFF.

A.

Vehicle speed gearing AUTO DOOR LOCK (more than 20km/h)

B.

AUTO DOOR LOCK non application

C.

Shift lever gearing AUTO DOOR LOCK

D.

Driver seat AUTO DOOR LOCK

E.

AUTO DOOR UNLOCK non application

F.

All doors UNLOCK in the case of driver door UNLOCK

G.

All doors UNLOCK in the case of IGN key seperation.

(4)

Riding & Getting off gearing

A.

Seat installation state ON/OFF

B.

Seat riding & getting off gearing ON/OFF

C.

Column installation state ON/OFF

D.

Column riding & getting off gearing ON/OFF

Яндекс.Метрика