Nissan Pathfinder (2008 year). Manual - part 628

WCS-14

< FUNCTION DIAGNOSIS >

DIAGNOSIS SYSTEM (METER)

NOTE:

Some items are not available due to vehicle specification.

*: The monitor will indicate “OFF” even though the brake warning lamp is on if either of the following conditions exist. 

• The parking brake is engaged

• The brake fluid level is low

AT SFT DWN SW [ON/OFF]

X

X

Displays [ON/OFF] condition of A/T shift-down switch.

DISTANCE [km] or [mile]

X

X

Displays the value, which is calculated by vehicle speed signal, fuel 
gauge and fuel consumption from ECM.

BUZZER [ON/OFF]

X

X

Displays [ON/OFF] condition of buzzer.

BRAKE SW [ON/OFF]

X

Indicates [ON/OFF] condition of parking brake switch.

AT-M IND [ON/OFF]

X

X

Indicates [ON/OFF] condition of A/T manual mode indicator.

AT-M GEAR [1, 2, 3, 4, 5]

X

X

Indicates [1, 2, 3, 4, 5] condition of A/T manual mode gear position.

P RANGE IND [ON/OFF] 

X

X

Indicates [ON/OFF] condition of A/T shift P range indicator.

R RANGE IND [ON/OFF]

X

X

Indicates [ON/OFF] condition of A/T shift R range indicator.

N RANGE IND [ON/OFF]

X

X

Indicates [ON/OFF] condition of A/T shift N range indicator.

D RANGE IND [ON/OFF]

X

X

Indicates [ON/OFF] condition of A/T shift D range indicator.

4 RANGE IND [ON/OFF]

X

X

Indicates [ON/OFF] condition of A/T shift 4 range indicator.

3 RANGE IND [ON/OFF]

X

X

Indicates [ON/OFF] condition of A/T shift 3 range indicator.

2 RANGE IND [ON/OFF]

X

X

Indicates [ON/OFF] condition of A/T shift 2 range indicator.

1 RANGE IND [ON/OFF]

X

X

Indicates [ON/OFF] condition of A/T shift 1range indicator.

4WD LOCK SW [ON/OFF]

X

Indicates [ON/OFF] condition of 4WD lock switch.

4WD LOCK IND [ON/OFF]

X

Indicates [ON/OFF] condition of 4WD lock indicator.

SEAT BELT W/L [ON/OFF]

X

Indicates [ON/OFF] condition of seat belt warning lamp.

O/D OFF SWITCH [ON/OFF]

X

Indicates [ON/OFF] condition of O/D OFF switch.

FR FOG IND [ON/OFF]

X

This item is not used for this model. “OFF” is always displayed.

RR FOG IND [ON/OFF]

X

This item is not used for this model. “OFF” is always displayed.

Display item [Unit]

MAIN

SIGNALS

SELECTION 

FROM MENU

Description

WCS

DIAGNOSIS SYSTEM (BCM)

WCS-15

< FUNCTION DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

DIAGNOSIS SYSTEM (BCM)

BUZZER

BUZZER : CONSULT-III Function (BCM - BUZZER)

INFOID:0000000001712840

CONSULT-III APPLICATION ITEMS

DATA MONITOR

ACTIVE TEST

Test item

Diagnosis mode

Description

BUZZER

Data Monitor

Displays BCM input data in real time.

Active Test

Operation of electrical loads can be checked by sending driving signal to them.

Display item

[Unit]

Description

IGN ON SW
[On/Off]

Status of ignition switch judged by BCM.

KEY ON SW
[On/Off]

Status of key switch judged by BCM.

DOOR SW-DR
[On/Off]

Status of front door switch LH judged by BCM.

LIGHT SW 1ST
[On/Off]

Status of lighting switch judged by BCM using the combination switch readout function.

BUCKLE SW
[On/Off]

Status of seat belt buckle switch judged by BCM.

Display item

[Unit]

Description

IGN KEY WARN ALM

The key warning chime operation can be checked by operating the relevant function (On/Off).

SEAT BELT WARN TEST

The seat belt warning chime operation can be checked by operating the relevant function (On/Off).

LIGHT WARN ALM

The light warning chime operation can be checked by operating the relevant function (On/Off).

WCS-16

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

COMBINATION METER

COMBINATION METER : Diagnosis Procedure

INFOID:0000000001717017

1.

CHECK FUSES

Check for blown combination meter fuses.

Is the inspection result normal?

YES

>> GO TO 2

NO

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

2.

POWER SUPPLY CIRCUIT CHECK

1.

Disconnect combination meter connector M24.

2.

Check voltage between combination meter harness connector
M24 terminals 3, 16 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Check harness for open between combination meter and fuse.

3.

GROUND CIRCUIT CHECK

1.

Turn ignition switch OFF.

2.

Check continuity between combination meter harness connector
M24 terminals 13, 23 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Check ground harness.

BCM (BODY CONTROL MODULE)

BCM (BODY CONTROL MODULE) : Diagnosis Procedure

INFOID:0000000001717018

1.

 CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not blown.

Unit

Power source

Fuse No.

Combination meter

Battery 19

Ignition switch ON or START 

14

Terminals

Ignition switch position

(+)

(–)

OFF

ACC

ON

Connector

Terminal

M24

3

Ground

Battery 
voltage

Battery 
voltage

Battery

 voltage

16

0V

0V

Battery
voltage

WKIA3279E

Terminals

Continuity

(+)

(–)

Connector

Terminal

M24

13

Ground

Yes

23

WKIA3280E

WCS

POWER SUPPLY AND GROUND CIRCUIT

WCS-17

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the fuse blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2

2.

 CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

Terminal No.

Signal name

Fuses and fusible link No.

57

Battery power supply

18 (10A)

70

G (50A)

11

Ignition ACC or ON

4 (10A)

38

Ignition ON or START

1 (10A)

Connector

Terminals 

Power

source

Condition

Voltage (V) (Ap-

prox.)

(+)

(-)

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

BCM

Ground

Continuity

Connector

Terminal

M20

67

Yes

LIIA0915E

WCS-18

< COMPONENT DIAGNOSIS >

METER BUZZER CIRCUIT

METER BUZZER CIRCUIT

Description

INFOID:0000000001712844

• The buzzer for warning chime system is installed in the combination meter.
• The combination meter sounds the alarm buzzer based on the signals transmitted from various units.

Component Function Check

INFOID:0000000001712845

1.

CHECK OPERATION OF METER BUZZER

1.

Select “BUZZER” of “BCM” on CONSULT-III.

2.

Perform “LIGHT WARN ALM” of “ACTIVE TEST”.

Does meter buzzer activate?

YES

>> Inspection End.

NO

>> Replace combination meter. Refer to 

MWI-94, "Removal and Installation"

.

Diagnosis Procedure

INFOID:0000000001712846

1.

CHECK POWER SUPPLY OF COMBINATION METER

Check power supply of combination meter. Refer to 

WCS-16, "COMBINATION METER : Diagnosis Proce-

dure"

.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair power supply circuit of combination meter.

WCS

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

WCS-19

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000001712847

Transmits a seat belt buckle switch signal to the combination meter.

Component Function Check

INFOID:0000000001712848

1.

CHECK COMBINATION METER INPUT SIGNAL

Select “DATA MONITOR” for “METER/M&A” and check the “SEAT BELT W/L” monitor value.

>> Inspection End.

Diagnosis Procedure

INFOID:0000000001712849

1.

CHECK COMBINATION METER INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between combination meter harness connector
M24 terminal 24 and ground.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-94, "Removal

and Installation"

.

NO

>> GO TO 2

2.

CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector and seat belt buckle
switch LH connector.

3.

Check continuity between combination meter harness connector
M24 terminal 24 and seat belt buckle switch LH harness con-
nector B12 terminal 1.

4.

Check continuity between combination meter harness connector
M24 terminal 24 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

SEAT BELT W/L

When seat belt is fastened

: OFF

When seat belt is unfastened

: ON

24 - Ground

When driver seat belt is fastened

: Approx. 12V

When driver seat belt is unfastened

: Approx. 0V

WKIA3294E

24 - 1

: Continuity should exist.

24 - Ground

: Continuity should not exist.

WKIA3295E

WCS-20

< COMPONENT DIAGNOSIS >

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

Check continuity between seat belt buckle switch LH harness con-
nector B12 terminal 2 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000001712850

1.

CHECK SEAT BELT BUCKLE SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect the seat belt buckle switch LH connector.

3.

Check continuity between terminals 1 and 2.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace the seat belt buckle switch LH.

2 - Ground

: Continuity should exist.

AWNIA0087ZZ

1– 2

When seat belt is 
fastened

: Continuity should not exist.

When seat belt is 
unfastened

: Continuity should exist.

WKIA1143E

WCS

KEY SWITCH SIGNAL CIRCUIT (WITH INTELLIGENT KEY)

WCS-21

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

KEY SWITCH SIGNAL CIRCUIT (WITH INTELLIGENT KEY)

Description

INFOID:0000000001712851

Transmits a key switch signal to the BCM.

Component Function Check

INFOID:0000000001712852

1.

CHECK BCM INPUT SIGNAL

Select “DATA MONITOR” for “BCM” and check the “KEY ON SW” monitor value.

>> Inspection End.

Diagnosis Procedure

INFOID:0000000001712853

1.

CHECK FUSE

Check if the key switch and ignition knob switch 10A fuse [No. 11, located in the fuse block (J/B)] is blown.

Is the fuse blown?

YES

>> Be sure to repair the cause of malfunction before installing new fuse.

NO

>> GO TO 2

2.

CHECK BCM INPUT SIGNAL

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> GO TO 3

3.

CHECK KEY SWITCH CIRCUIT 

1.

Disconnect BCM and key switch and ignition knob switch con-
nectors.

2.

Check continuity between BCM harness connector M18 (A) and
key switch and ignition knob switch harness connector M66 (B).

3.

Check continuity between BCM harness connector M18 (A) and
ground.

KEY ON SW

When key is inserted into key cylinder

: ON

When key is removed from key cylinder

: OFF

Terminals

Condition

Voltage

(Approx.)

(+)

(

−

)

BCM

connector

Terminal

M18

37

Ground

Key is inserted

Battery voltage

Key is removed

0

PKIC0721E

A

B

Continuity

Connector

Terminal

Connector

Terminal

M18

37

M66

4

Yes

A

Ground

Continuity

Connector

Terminal

M18

37

No

AWNIA0239ZZ