Nissan Pathfinder (2008 year). Manual - part 153

BCM (BODY CONTROL MODULE)

DLK-125

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

ALKIA0988GB

DLK-126

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

BCM (BODY CONTROL MODULE)

ALKIA0989GB

BCM (BODY CONTROL MODULE)

DLK-127

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Fail Safe

INFOID:0000000001563595

Fail-safe index

BCM performs fail-safe control when any DTC listed below is detected.

ALKIA0990GB

DLK-128

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

BCM (BODY CONTROL MODULE)

DTC Inspection Priority Chart

INFOID:0000000001563596

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.

DTC Index

INFOID:0000000001563597

NOTE:

Details of time display

• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-

tion switch OFF 

→

 ON again.

• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1

→

 2 

→

 3...38 

→

 39 after returning to the normal condition whenever ignition switch OFF 

→

 ON. The counter

remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF 

→

 ON after returning to the normal condition if the malfunction is detected again.

Display contents of CONSULT

Fail-safe

Cancellation

U1000: CAN COMM CIRCUIT

Inhibit engine cranking

When the BCM re-establishes communication with the other mod-
ules.

U1010: CONTROL UNIT (CAN)

Inhibit engine cranking

When the BCM re-start communicating with the other modules.

Priority

DTC

1

• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)

CONSULT display

Fail-safe

Intelligent Key 

warning lamp ON

Reference page

No DTC is detected.
further testing
may be required.

—

—

—

U1000: CAN COMM CIRCUIT

—

—

DLK-38

U1010: CONTROL UNIT (CAN)

—

—

DLK-39

INTELLIGENT KEY UNIT

DLK-129

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

INTELLIGENT KEY UNIT

Reference Value - Intelligent Key Unit

INFOID:0000000001563598

TERMINAL LAYOUT

PHYSICAL VALUES

WIIA1168E

Terminal

Wire 

Color

Item

Condition

Voltage (V)

Approx.

Ignition 

Switch Po-

sition

Operation or Conditions

1

O

Steering lock sole-
noid power supply

LOCK

—

5

2

L

CAN-H

—

—

—

3

P

CAN-L

—

—

—

4

GR

Intelligent Key warn-
ing buzzer (front of 
vehicle)

LOCK

Operate door request 

switch.

Buzzer OFF

Battery voltage

Buzzer ON

0

5

LG

Front door request 
switch LH

—

Press front door request switch LH.

0

Other than above

Battery voltage

6

W/G

Ignition switch (ON)

ON

—

Battery voltage

7

SB

Key switch

LOCK

Insert mechanical key into ignition key 
cylinder.

Battery voltage

Remove mechanical key from ignition 
key cylinder.

0

8

O

Remote keyless en-
try receiver ground

—

—

0

9

R

Remote keyless en-
try receiver signal

—

When remote keyless entry receiver re-
ceives signal from keyfob.

Stand-by

11

R/B

Power source (Fuse)

—

—

Battery voltage

12

B

Ground

—

—

0

OCC3879D

DLK-130

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY UNIT

13

W

Inside key antenna 3 
(center console) (+) 
signal

LOCK

Any door open 

→

 all doors closed

14

BR

Inside key antenna 3 
(center console) (-) 
signal

15

V

Inside key antenna 1 
(instrument panel) 
(+) signal

LOCK

Any door open 

→

 all doors closed

16

LG

Inside key antenna 1 
(instrument panel) (-) 
signal

17

R

Rear bumper anten-
na (+) signal

LOCK

Press back door request switch.

18

L

Rear bumper anten-
na (-) signal

19

Y

Front outside anten-
na LH (+) signal

LOCK

Press front door request switch LH.

20

W

Front outside anten-
na LH (-) signal

21

BR

Remote keyless en-
try receiver RSSI sig-
nal

—

—

23

G

Back door control 
unit signal

—

Back door release switch ON.

0

Back door release switch OFF.

Battery voltage

24

G

Back door release 
switch input

—

Back door release switch ON.

0

Back door release switch OFF.

5

25

R

Front door request 
switch RH

—

Press front door request switch RH.

0

Other than above

Battery voltage

27

G

Ignition knob switch

—

Press ignition switch.

Battery voltage

Return ignition switch to LOCK position.

0

28

P

Unlock sensor
(driver side)

—

Door (driver side) is locked.

5

Door (driver side) is unlocked.

0

Terminal

Wire 

Color

Item

Condition

Voltage (V)

Approx.

Ignition 

Switch Po-

sition

Operation or Conditions

PIIB7441E

PIIB7441E

SIIA1910J

SIIA1910J

PIIA2344E

INTELLIGENT KEY UNIT

DLK-131

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Reference Value - Steering Lock Solenoid

INFOID:0000000001563599

TERMINAL LAYOUT

PHYSICAL VALUES

30

W

Remote keyless en-
try receiver power 
supply

—

—

5

32

V

Steering lock sole-
noid communication 
signal

LOCK

When Intelligent Key is inside vehicle, 
press ignition knob switch.

Other than above

5

33

G

Inside key antenna 2 
(luggage compart-
ment) (+) signal

LOCK

Press ignition knob switch: ON (Ignition 
knob switch)

34

R

Inside key antenna 2 
(luggage compart-
ment) (-) signal

37

P

Front outside anten-
na (+) signal RH

LOCK

Press front door request switch RH.

38

V

Front outside anten-
na (-) signal RH

39

SB

P range switch

—

Selector lever is in “P” position.

0

Other than above

Battery voltage

40

V

AS select unlock out-
put

—

UNLOCK with rear door locks disabled.

0

Other than above

Battery voltage

Terminal

Wire 

Color

Item

Condition

Voltage (V)

Approx.

Ignition 

Switch Po-

sition

Operation or Conditions

SIIA1911J

PIIB7441E

SIIA1910J

WIIA1169E

DLK-132

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY UNIT

Terminal

Wire 

Color

Signal Designation

Condition

Voltage (V)

Approx.

Ignition 

Switch Posi-

tion

Operation or Conditions

1

R/B

Power source (fuse)

LOCK

—

Battery voltage

2

O

Steering lock solenoid 
power supply

LOCK

—

5

3

V

Steering lock solenoid 
communication signal

LOCK

When Intelligent Key is inside ve-
hicle, press ignition knob switch.

Other than the above

5

4

SB

Steering lock solenoid 
ground

—

—

0

SIIA1911J