Nissan Pathfinder (2006 year). Manual - part 85

BCM (BODY CONTROL MODULE)

BCS-9

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BCS

2006 Pathfinder

Schematic

EKS00G0O

WIWA1609E

BCS-10

BCM (BODY CONTROL MODULE)

2006 Pathfinder

WIWA1610E

BCM (BODY CONTROL MODULE)

BCS-11

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BCS

2006 Pathfinder

BCM Terminal Arrangement

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LKIA0682E

BCS-12

BCM (BODY CONTROL MODULE)

2006 Pathfinder

Terminals and Reference Values for BCM

EKS00HJZ

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

7

GR

Front door lock 
assembly LH (key cyl-
inder switch) unlock

Input

OFF

ON (open, 2nd turn)

Momentary 1.5V

OFF (closed)

0V

8

SB

Front door lock 
assembly LH (key cyl-
inder switch) lock

Input

On (open)

Momentary 1.5V

OFF (closed)

0V

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

SKIA5291E

SKIA5292E

SKIA5291E

SKIA5292E

BCM (BODY CONTROL MODULE)

BCS-13

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BCS

2006 Pathfinder

18

BR

Remote keyless entry 
receiver (Ground)

Output

OFF

—

0V

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.

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

SKIA5291E

BCS-14

BCM (BODY CONTROL MODULE)

2006 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

OFF

ON (open)

0V

OFF (closed)

Battery voltage

43

Y

Back door switch

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

44

O

Rear wiper auto stop

Input

ON

Rear wiper operating

0

Rear wiper stopped

Battery

45

V

Lock switch

Input

OFF

ON (lock)

0V

OFF

Battery voltage

46

LG

Unlock switch

Input

OFF

ON (unlock)

0V

OFF

Battery voltage

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

BCM (BODY CONTROL MODULE)

BCS-15

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BCS

2006 Pathfinder

51

O

Trailer turn signal 
(right)

Output

ON

Turn right ON

52

LG

Trailer turn signal (left)

Output

ON

Turn left ON

55

W

Rear wiper motor out-
put

Output

ON

OFF

0

ON

Battery voltage

56

V

Battery saver output

Output

OFF

30 minutes after ignition 
switch is turned OFF

0V

ON

—

Battery voltage

57

R/Y

Battery power supply

Input

OFF

—

Battery voltage

58

W

Optical sensor

Input

ON

When optical sensor is illumi-
nated

3.1V or more

When optical sensor is not 
illuminated

0.6V or less

59

GR

Front door lock 
assembly LH and fuel 
lid door lock actuator 
(unlock)

Output

OFF

OFF (neutral)

0V

ON (unlock)

Battery voltage

60

LG

Turn signal (left)

Output

ON

Turn left ON

61

G

Turn signal (right)

Output

ON

Turn right ON

63

BR

Interior room/map 
lamp

Output

OFF

Any door 
switch

ON (open)

0V

OFF (closed)

Battery voltage

65

V

All door lock actuators 
(lock)

Output

OFF

OFF (neutral)

0V

ON (lock)

Battery voltage

66

L

Front door lock actua-
tor RH, rear door lock 
actuators LH/RH and 
back door lock actua-
tor (unlock)

Output

OFF

OFF (neutral)

0V

ON (unlock)

Battery voltage

Terminal

Wire 

color

Signal name

Signal 

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition 

switch

Operation or condition

SKIA3009J

SKIA3009J

SKIA3009J

SKIA3009J

BCS-16

BCM (BODY CONTROL MODULE)

2006 Pathfinder

BCM Power Supply and Ground Circuit Check

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1. 

CHECK FUSES AND FUSIBLE LINK

●

Check 50A fusible link (letter g , located in the fuse and fusible link box).

●

Check 10A fuses [No. 1, 4 and 18, located in the fuse block (J/B)].

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to 

PG-

3, "PRECAUTIONS"

 . 

2. 

CHECK BCM POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM. 

3.

Check voltage between BCM connectors and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace the harness.

67

B

Ground

Input

ON

—

0V

68

O

Power window power 
supply (RAP)

Output

—

Ignition switch ON

Battery voltage

Within 45 seconds after igni-
tion switch OFF

Battery voltage

More than 45 seconds after 
ignition switch OFF

0V

When front door LH or RH is 
open or power window timer 
operates

0V

69

L

Power window power 
supply

Output

—

—

Battery voltage

70

W

Battery power supply

Input

OFF

—

Battery voltage

Terminal

Wire 

color

Signal name

Signal 

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition 

switch

Operation or condition

Connector

Terminals 

Power

source

Condition

Voltage (V) 

(Approx.)

(+)

(-)

M18

11

Ground

ACC 

power 

supply

Ignition 

switch 

ACC or 

ON

Battery voltage

38

Ground

Ignition 

power 

supply

Ignition 

switch ON 

or START

Battery voltage

M20

57

Ground

Battery 

power 

supply

Ignition 

switch 

OFF

Battery voltage

70

Ground

Battery 

power 

supply

Ignition 

switch 

OFF

Battery voltage

LIIA2415E