Nissan Pathfinder (2007 year). Manual — part 86

BCM (BODY CONTROL MODULE)

BCS-7

C

D

E

F

G

H

I

J

L

M

A

B

BCS

2007 Pathfinder

●

BCM is activated with low current consumption mode.

●

CAN communication is not active.

●

When CAN communication operation is detected, it switches to CAN communication status.

●

When a state of the following switches changes, it switches to CAN communication state:

–

Ignition switch

–

Key switch

–

Hazard switch

–

Door lock/unlock switch

–

Front door switch (LH, RH)

–

Rear door switch (LH, RH)

–

Back door switch

–

Glass hatch ajar switch

–

Combination switch (passing, lighting switch 1st position, front fog lamp)

–

Keyfob (lock/unlock signal)

–

Front door lock assembly LH (key cylinder switch)

●

When control performed only by BCM is required by switch, it shifts to CAN communication inactive
mode.

●

Status of combination switch reading function is changed.

SYSTEMS CONTROLLED BY BCM DIRECTLY

●

Power door lock system. Refer to

BL-16, "POWER DOOR LOCK SYSTEM"

.

●

Remote keyless entry system. Refer to

BL-39, "REMOTE KEYLESS ENTRY SYSTEM"

.

●

Power window system. Refer to

GW-15, "POWER WINDOW SYSTEM"

.

NOTE

●

Sunroof system. Refer to

RF-10, "SUNROOF"

.

NOTE

●

Room lamp timer. Refer to

LT-108, "INTERIOR ROOM LAMP"

.

●

Warning chime system. Refer to

DI-41, "WARNING CHIME"

.

●

Turn signal and hazard warning lamps system. Refer to

LT-60, "TURN SIGNAL AND HAZARD WARNING

LAMPS"

.

●

Trailer turn signal and hazard warning lamps system. Refer to

LT-99, "TRAILER TOW"

.

●

Rear wiper and washer system. Refer to

WW-28, "REAR WIPER AND WASHER SYSTEM"

.

NOTE:
Power supply only. No system control.

SYSTEMS CONTROLLED BY BCM AND IPDM E/R

●

Panic system. Refer to

BL-39, "REMOTE KEYLESS ENTRY SYSTEM"

.

●

Vehicle security system. Refer to

BL-64, "VEHICLE SECURITY (THEFT WARNING) SYSTEM"

.

●

NVIS (NATS) system. Refer to

BL-94, "NVIS(NISSAN Vehicle Immobilizer System-NATS)"

.

●

Headlamp, daytime light, auto light, tail lamp, fog lamp and battery saver control systems. Refer to

LT-5,

"HEADLAMP (FOR USA)"

,

LT-27, "HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -"

,

LT-38,

"AUTO LIGHT SYSTEM"

,

LT-51, "FRONT FOG LAMP"

, and

LT-83, "PARKING, LICENSE PLATE AND

TAIL LAMPS"

.

●

Front wiper and washer system. Refer to

WW-4, "FRONT WIPER AND WASHER SYSTEM"

.

●

Rear window defogger system. Refer to

GW-74, "REAR WINDOW DEFOGGER"

.

MAJOR COMPONENTS AND CONTROL SYSTEM

System

Input

Output

Remote keyless entry system

Remote keyless entry receiver (keyfob)

●

All door locking actuators

●

Turn signal lamps

Power door lock system

●

Front power door lock/unlock switch (LH, RH)

●

All door switches

●

Key switch

All door locking actuators

BCS-8

BCM (BODY CONTROL MODULE)

2007 Pathfinder

CAN Communication System Description

EKS00G0N

Refer to

LAN-4, "SYSTEM DESCRIPTION"

.

Power supply [ignition (IGN)/retained
accessory power (RAP)] to power win-
dow and sunroof

IGN/RAP supply

Power supply to power window and
sunroof system

Power supply (BAT) to power window
and sunroof

Battery power supply

Power supply to power window and
sunroof system

Panic alarm

●

Key switch

●

Remote keyless entry receiver (keyfob)

IPDM E/R

Auto light system

●

Optical sensor

●

Combination switch

IPDM E/R

Battery saver control

●

Ignition switch

●

Combination switch

●

Front door switch LH and RH

IPDM E/R

Headlamp

Combination switch

IPDM E/R

Tail lamp

Combination switch

IPDM E/R

Front fog lamp

Combination switch

IPDM E/R

Turn signal lamp

Combination switch

●

Turn signal lamp

●

Combination meter

Hazard lamp

Hazard switch

●

Turn signal lamp

●

Combination meter

Room lamp timer

●

Key switch

●

Remote keyless entry receiver (keyfob)

●

Main power window and door lock/unlock switch

●

Front door lock assembly LH (key cylinder switch)

●

All door switches

Interior room lamp

Key warning chime

●

Key switch

●

Front door switch LH

Combination meter (warning
buzzer)

Light warning chime

●

Combination switch

●

Key switch

●

Front door switch LH

Combination meter (warning
buzzer)

Vehicle-speed-sensing intermittent
wiper

●

Combination switch

●

Combination meter

IPDM E/R

Rear window defogger

Rear window defogger switch

IPDM E/R

Air conditioner switch signal

Front air control

ECM

Blower fan switch signal

Front air control

ECM

Low tire pressure warning system

Remote keyless entry receiver

●

Combination meter

●

Display control unit (with NAVI)

Trailer tow

Combination switch

Trailer turn signal relays

Vehicle security system

●

Remote keyless entry receiver (keyfob)

●

Main power window and door lock/unlock switch

●

Power window and door lock/unlock switch RH

●

Front door lock assembly LH (key cylinder switch)

●

All door switches

●

Back door latch (door ajar switch)

●

IPDM E/R

●

Security indicator lamp

System

Input

Output

BCM (BODY CONTROL MODULE)

BCS-9

C

D

E

F

G

H

I

J

L

M

A

B

BCS

2007 Pathfinder

Schematic

EKS00G0O

WKWA5365E

BCS-10

BCM (BODY CONTROL MODULE)

2007 Pathfinder

WKWA5366E

BCM (BODY CONTROL MODULE)

BCS-11

C

D

E

F

G

H

I

J

L

M

A

B

BCS

2007 Pathfinder

BCM Terminal Arrangement

EKS00HJY

LIIA2443E

BCS-12

BCM (BODY CONTROL MODULE)

2007 Pathfinder

Terminals and Reference Values for BCM

EKS00KYK

Terminal

Wire

color

Signal name

Signal

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition

switch

Operation or condition

1

BR

Ignition keyhole illumi-
nation

Output

OFF

Door is locked (SW OFF)

Battery voltage

Door is unlocked (SW ON)

0V

2

P

Combination switch
input 5

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

3

SB

Combination switch
input 4

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

4

V

Combination switch
input 3

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

5

L

Combination switch
input 2

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

6

R

Combination switch
input 1

9

Y

Rear window defog-
ger switch

Input

ON

Rear window defogger switch
ON

0V

Rear window defogger switch
OFF

5V

11

G/B

Ignition switch (ACC
or ON)

Input

ACC or

ON

Ignition switch ACC or ON

Battery voltage

12

LG

Front door switch RH

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

13

L

Rear door switch RH

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

15

W

Tire pressure warning
check connector

Input

OFF

—

5V

18

BR

Remote keyless entry
receiver and optical
sensor (ground)

Output

OFF

—

0V

SKIA5291E

SKIA5292E

SKIA5291E

SKIA5292E

BCM (BODY CONTROL MODULE)

BCS-13

C

D

E

F

G

H

I

J

L

M

A

B

BCS

2007 Pathfinder

19

V

Remote keyless entry
receiver (power sup-
ply)

Output

OFF

Ignition switch OFF

20

G

Remote keyless entry
receiver signal (Sig-
nal)

Input

OFF

Stand-by (keyfob buttons
released)

When remote keyless entry
receiver receives signal from
keyfob (keyfob buttons
pressed)

21

GR

NATS antenna amp.

Input

OFF

→

ON

Ignition switch (OFF

→

ON)

Just after turning ignition switch

ON: Pointer of tester should

move for approx. 1 second, then

return to battery voltage.

22

V

BUS

—

—

Ignition switch ON or power
window timer operates

23

G

Security indicator
lamp

Output

OFF

Goes OFF

→

illuminates

(Every 2.4 seconds)

Battery voltage

→

0V

25

BR

NATS antenna amp.

Input

OFF

→

ON

Ignition switch (OFF

→

ON)

Just after turning ignition switch

ON: Pointer of tester should

move for approx. 1 second, then

return to battery voltage.

27

W

Compressor ON sig-
nal

Input

ON

A/C switch OFF

5V

A/C switch ON

0V

28

R

Front blower monitor

Input

ON

Front blower motor OFF

Battery voltage

Front blower motor ON

0V

29

G

Hazard switch

Input

OFF

ON

0V

OFF

5V

32

O

Combination switch
output 5

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

Terminal

Wire

color

Signal name

Signal

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition

switch

Operation or condition

LIIA1893E

LIIA1894E

LIIA1895E

PIIA2344E

SKIA5291E

BCS-14

BCM (BODY CONTROL MODULE)

2007 Pathfinder

33

GR

Combination switch
output 4

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

34

G

Combination switch
output 3

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

35

BR

Combination switch
output 2

Output

ON

Lighting, turn, wiper OFF
Wiper dial position 4

36

LG

Combination switch
output 1

37

B

Key switch

Input

OFF

Key inserted

Battery voltage

Key removed

0V

38

W/R

Ignition switch (ON)

Input

ON

—

Battery voltage

39

L

CAN-H

—

—

—

—

40

P

CAN-L

—

—

—

—

42

LG

Glass hatch ajar
switch

Input

ON

Glass hatch open

0

Glass hatch closed

Battery

43

Y

Back door switch

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

44

O

Rear wiper auto stop
switch

Input

ON

Rise up position (rear wiper
arm on stopper)

0V

A Position (full clockwise stop
position)

Battery voltage

Forward sweep (counter-
clockwise direction)

Fluctuating

B Position (full counterclock-
wise stop position)

0V

Reverse sweep (clockwise
direction)

Fluctuating

47

GR

Front door switch LH

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

48

P

Rear door switch LH

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

49

L

Cargo lamp

Output

OFF

Any door open (ON)

0V

All doors closed (OFF)

Battery voltage

Terminal

Wire

color

Signal name

Signal

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition

switch

Operation or condition

SKIA5292E

SKIA5291E

SKIA5292E