Nissan Pathfinder (2010 year). Instruction — part 84
BCS
BCS-1
ELECTRICAL & POWER CONTROL
C
D
E
F
G
H
I
J
K
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B
SECTION
BCS
A
O
P
N
CONTENTS
BODY CONTROL SYSTEM
BASIC INSPECTION . . . . . . . . .
INSPECTION AND ADJUSTMENT . . . . . .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT . . . . . . . . . . . . . . ..
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description . . . . . . . . ..
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement . ...
CONFIGURATION . . . . . . . . . . . . . ...
CONFIGURATION : Description . . . . . . . ...
CONFIGURATION : Special Repair Requirement . ..
FUNCTION DIAGNOSIS . . . . . . . ...
BODY CONTROL SYSTEM . . . . . . . .
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ....
COMBINATION SWITCH READING SYSTEM
. .
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ..
SIGNAL BUFFER SYSTEM . . . . . . . ...
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
POWER CONSUMPTION CONTROL SYS-
TEM . . . . . . . . . . . . . . . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
Component Parts Location . . . . . . . . . ..
DIAGNOSIS SYSTEM (BCM) . . . . . . .
COMMON ITEM . . . . . . . . . . . . . . .
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) . . . . . . . . . . . . . .
BCM . . . . . . . . . . . . . . . . . . ...
BCM : CONSULT-III Function (BCM - BCM) . . ...
DOOR LOCK . . . . . . . . . . . . . . . ..
DOOR LOCK : CONSULT-III Function (BCM -
DOOR LOCK) . . . . . . . . . . . . . . ..
REAR WINDOW DEFOGGER . . . . . . . . ...
REAR WINDOW DEFOGGER : CONSULT-III
Function (BCM - REAR DEFOGGER) . . . . . .
BUZZER . . . . . . . . . . . . . . . . . .
BUZZER : CONSULT-III Function (BCM - BUZZ-
ER) . . . . . . . . . . . . . . . . . . ..
INT LAMP . . . . . . . . . . . . . . . . ...
INT LAMP : CONSULT-III Function (BCM - INT
LAMP) . . . . . . . . . . . . . . . . . ..
MULTIREMOTE ENT . . . . . . . . . . . . .
MULTIREMOTE ENT : CONSULT-III Function
(BCM - MULTIREMOTE ENT) . . . . . . . . .
HEADLAMP . . . . . . . . . . . . . . . ...
HEADLAMP : CONSULT-III Function (BCM -
HEAD LAMP) . . . . . . . . . . . . . . ...
WIPER . . . . . . . . . . . . . . . . . .
WIPER : CONSULT-III Function (BCM - WIPER) .
FLASHER . . . . . . . . . . . . . . . . ...
FLASHER : CONSULT-III Function (BCM -
FLASHER) . . . . . . . . . . . . . . . ...
AIR CONDITIONER . . . . . . . . . . . . ...
AIR CONDITIONER : CONSULT-III Function
(BCM - AIR CONDITIONER) . . . . . . . . ...
INTELLIGENT KEY . . . . . . . . . . . . .
INTELLIGENT KEY : CONSULT-III Function
(BCM - INTELLIGENT KEY) . . . . . . . . .
COMB SW . . . . . . . . . . . . . . . . ..
2010 Pathfinder
BCS-2
COMB SW : CONSULT-III Function (BCM -
COMB SW) . . . . . . . . . . . . . . . .
IMMU . . . . . . . . . . . . . . . . . . .
IMMU : CONSULT-III Function (BCM - IMMU) . ...
BATTERY SAVER . . . . . . . . . . . . ....
BATTERY SAVER : CONSULT-III Function (BCM
- BATTERY SAVER) . . . . . . . . . . . ..
TRUNK . . . . . . . . . . . . . . . . . ..
TRUNK : CONSULT-III Function (BCM - TRUNK) ...
RETAINED PWR . . . . . . . . . . . . . ...
RETAINED PWR : CONSULT-III Function (BCM -
RETAINED PWR) . . . . . . . . . . . . ...
SIGNAL BUFFER . . . . . . . . . . . . . ..
SIGNAL BUFFER : CONSULT-III Function (BCM
- SIGNAL BUFFER) . . . . . . . . . . . ....
AIR PRESSURE MONITOR . . . . . . . . . ..
AIR PRESSURE MONITOR : Diagnosis Descrip-
tion . . . . . . . . . . . . . . . . . . ..
AIR PRESSURE MONITOR : CONSULT-III Func-
tion . . . . . . . . . . . . . . . . . . ..
THEFT ALM . . . . . . . . . . . . . . . ..
THEFT ALM : CONSULT-III Function (BCM -
THEFT ALM) . . . . . . . . . . . . . . ..
PANIC ALARM . . . . . . . . . . . . . . ..
PANIC ALARM : CONSULT-III Function (BCM -
PANIC ALARM) . . . . . . . . . . . . . ..
COMPONENT DIAGNOSIS . . . . . .
U1000 CAN COMM CIRCUIT . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
POWER SUPPLY AND GROUND CIRCUIT . .
Diagnosis Procedure . . . . . . . . . . . ..
COMBINATION SWITCH INPUT CIRCUIT . ...
Diagnosis Procedure . . . . . . . . . . . ...
Special Repair Requirement . . . . . . . . ...
COMBINATION SWITCH OUTPUT CIRCUIT ...
Diagnosis Procedure . . . . . . . . . . . ...
Special Repair Requirement . . . . . . . . ...
COMBINATION SWITCH . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
ECU DIAGNOSIS . . . . . . . . . ...
BCM (BODY CONTROL MODULE) . . . . ..
Reference Value . . . . . . . . . . . . . .
Terminal Layout . . . . . . . . . . . . . ..
Physical Values . . . . . . . . . . . . . ...
Wiring Diagram . . . . . . . . . . . . . ...
Fail Safe . . . . . . . . . . . . . . . . .
DTC Inspection Priority Chart . . . . . . . ...
DTC Index . . . . . . . . . . . . . . . ..
SYMPTOM DIAGNOSIS . . . . . . .
COMBINATION SWITCH SYSTEM SYMP-
TOMS . . . . . . . . . . . . . . . . .
Symptom Table . . . . . . . . . . . . . ...
PRECAUTION . . . . . . . . . . .
PRECAUTIONS . . . . . . . . . . . . .
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . ..
ON-VEHICLE REPAIR . . . . . . . ...
BCM (BODY CONTROL MODULE) . . . . ..
Removal and Installation . . . . . . . . . . .
2010 Pathfinder
BCS
INSPECTION AND ADJUSTMENT
BCS-3
< BASIC INSPECTION >
C
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BASIC INSPECTION
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000005255726
When replacing BCM, save or print current vehicle specification with CONSULT-III configuration before
replacement.
Configuration has three functions as follows
• READ CONFIGURATION is the function to read (extract) vehicle configuration of current BCM.
• WRITE CONFIGURATION - Instruction selection is the function to select and write vehicle configuration on
BCM instructionly.
• WRITE CONFIGURATION - Config file is the function to write vehicle configuration with the data extracted
from current BCM.
CAUTION:
• When replacing BCM, you must perform WRITE CONFIGURATION with CONSULT-III.
• Complete the procedure of WRITE CONFIGURATION in order.
• If you set incorrect WRITE CONFIGURATION, incidents will occur.
• Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000005255727
1.
SAVING VEHICLE SPECIFICATION
Perform “READ CONFIGURATION” with CONSULT-III to save or print current vehicle specification.
>> GO TO 2
2.
REPLACE BCM
BCS-59, "Removal and Installation"
.
>> GO TO 3
3.
WRITING VEHICLE SPECIFICATION
Perform “WRITE CONFIGURATION - Config file” or “WRITE CONFIGURATION - Instruction selection” with
CONSULT-III to write vehicle specification. Refer to
BCS-3, "ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement"
>> GO TO 4
4.
INITIALIZE BCM (NATS)
Perform BCM initialization. (NATS)
>> Work End.
CONFIGURATION
CONFIGURATION : Description
INFOID:0000000005255728
Vehicle specification needs to be written with CONSULT-III because it is not written after replacing BCM.
Configuration has three functions as follows
• READ CONFIGURATION is the function to read (extract) vehicle configuration of current BCM.
• WRITE CONFIGURATION - Instruction selection is the function to select and write vehicle configuration on
BCM instructionly.
• WRITE CONFIGURATION - Config file is the function to write vehicle configuration with the data extracted
from current BCM.
CAUTION:
2010 Pathfinder
BCS-4
< BASIC INSPECTION >
INSPECTION AND ADJUSTMENT
• When replacing BCM, you must perform WRITE CONFIGURATION with CONSULT-III.
• Complete the procedure of WRITE CONFIGURATION in order.
• If you set incorrect WRITE CONFIGURATION, incidents will occur.
• Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
CONFIGURATION : Special Repair Requirement
INFOID:0000000005255729
1.
WRITING VEHICLE SPECIFICATION
Perform “WRITE CONFIGURATION” with CONSULT-III.
When writing saved data>>GO TO 2
When writing instructionly>>GO TO 3
2.
PERFORM “WRITE CONFIGURATION - CONFIG FILE”
Perform “WRITE CONFIGURATION - Config file” with CONSULT-III.
>> Work End.
3.
PERFORM “WRITE CONFIGURATION - MANUAL SELECTION”
For “WRITE CONFIGURATION - Instruction selection”, using the following flow chart, identify the correct model
and configuration list.
Confirm and/or change setting value for each item according to the configuration list.
Depending on CONSULT-III software version being used, some or all of the write configuration items shown in
the following configuration lists may be displayed. If an item does not display on the CONSULT-III “WRITE
CONFIGURATION - Instruction selection” screen, then it is an auto setting item and it cannot be instructionly set or
changed.
NOTE:
Confirm vehicle model. Refer to
>> Work End.
MANUAL SETTING ITEM
Items
Setting value
KEYLESS ENTRY
WITH
⇔
WITHOUT
I-KEY
WITH
⇔
WITHOUT
AUTO LIGHT
WITH
⇔
WITHOUT
DTRL
WITH
⇔
WITHOUT
THEFT ALARM
WITH
⇔
WITHOUT
AUTO DOOR UNLOCK TIMING
WITH I-KEY
⇔
WITHOUT I-KEY
2010 Pathfinder
BCS
BODY CONTROL SYSTEM
BCS-5
< FUNCTION DIAGNOSIS >
C
D
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FUNCTION DIAGNOSIS
BODY CONTROL SYSTEM
System Description
INFOID:0000000005255730
OUTLINE
• BCM (Body Control Module) controls the various electrical components. It inputs the information required to
the control from CAN communication and the signal received from each switch and sensor.
• BCM has combination switch reading function for reading the operation status of combination switches (light,
turn signal, wiper and washer) in addition to a function for controlling the operation of various electrical com-
ponents. It also has the signal transmission function as the passed point of signal and the power consump-
tion control function that reduces the power consumption with the ignition switch OFF.
• BCM is equipped with the diagnosis function that performs the diagnosis with CONSULT-III and various set-
tings.
BCM control function list
System
Refer to
Combination switch reading system
Signal buffer system
Power consumption control system
Auto light system
Turn signal and hazard warning lamp system
Headlamp system
Front fog lamp system (if equipped)
Daytime running light system (if equipped)
Interior room lamp control system
Step lamp system
Interior room lamp battery saver system
Front wiper and washer system
Rear wiper and washer system
Warning chime system
WCS-4, "WARNING CHIME SYSTEM : System Diagram"
Door lock system
• WITH INTELLIGENT KEY SYSTEM:
• WITHOUT INTELLIGENT KEY SYSTEM:
UNLOCK SWITCH : System Diagram"
(NATS) Nissan anti-theft system
• WITH INTELLIGENT KEY SYSTEM:
• WITHOUT INTELLIGENT KEY SYSTEM:
Vehicle security system
• WITH INTELLIGENT KEY SYSTEM:
• WITHOUT INTELLIGENT KEY SYSTEM:
Rear window defogger system
Remote keyless entry system
DLK-214, "REMOTE KEYLESS ENTRY : System Diagram"
Intelligent Key system (if equipped)
DLK-43, "CONSULT-III Function (INTELLIGENT KEY)"
Power window system
RAP (retained accessory power) system
BCS-27, "RETAINED PWR : CONSULT-III Function (BCM - RETAINED
PWR)"
TPMS (tire pressure monitoring system)
2010 Pathfinder
BCS-6
< FUNCTION DIAGNOSIS >
BODY CONTROL SYSTEM
Component Parts Location
INFOID:0000000005255731
• BCM M18, M19, M20 (view with instrument panel removed)
LKIA0564E
2010 Pathfinder
BCS
COMBINATION SWITCH READING SYSTEM
BCS-7
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
COMBINATION SWITCH READING SYSTEM
System Diagram
INFOID:0000000005255732
System Description
INFOID:0000000005255733
OUTLINE
• BCM reads the status of the combination switch (light, turn signal, wiper and washer) and recognizes the
status of each switch.
• BCM is a combination of 5 output terminals (OUTPUT 1 - 5) and 5 input terminals (INPUT 1 - 5). It reads a
maximum of 20 switch status.
COMBINATION SWITCH MATRIX
LIIA0757E
2010 Pathfinder
BCS-8
< FUNCTION DIAGNOSIS >
COMBINATION SWITCH READING SYSTEM
Combination switch circuit
Combination switch INPUT-OUTPUT system list
NOTE:
Headlamp has a dual system switch.
COMBINATION SWITCH READING FUNCTION
Description
• BCM reads the status of the combination switch at 10 ms interval normally.
NOTE:
BCM reads the status of the combination switch at 20 ms interval when BCM is controlled at low power con-
sumption control mode.
• BCM operates as follows and judges the status of the combination switch.
- INPUT 1 - 5 outputs the voltage waveforms of 5 systems simultaneously.
- It operates the transistor on OUTPUT side in the following order: OUTPUT 5
→
4
→
3
→
2
→
1.
System
OUTPUT 1
OUTPUT 2
OUTPUT 3
OUTPUT 4
OUTPUT 5
INPUT 1
—
FR WASHER
FR WIPER LOW
TURN LH
TURN RH
INPUT 2
FR WIPER HI
—
FR WIPER INT
PASSING
HEADLAMP 1
INPUT 3
INT VOLUME 1
RR WASHER
—
HEADLAMP 2
HI BEAM
INPUT 4
RR WIPER INT
INT VOLUME 3
AUTO LIGHT
—
TAIL LAMP
INPUT 5
INT VOLUME 2
RR WIPER
—
FR FOG
—
LIIA0760E
JPMIA0067GB
2010 Pathfinder
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