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 >
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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 >
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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-
.
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 >
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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
.
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 >
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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
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