Nissan Pathfinder (2009 year). Manual — part 541
PWC-8
< FUNCTION DIAGNOSIS >
POWER WINDOW SYSTEM
Component Description
INFOID:0000000003935735
FRONT WINDOW ANTI-PINCH SYSTEM
Component
Function
BCM
• Supplies power supply to power window switch.
• Controls retained power.
Main power window and door lock/un-
lock switch
• Directly controls all power window motor of all doors.
• Controls anti-pinch operation of front power window LH.
Power window and door lock/unlock
switch RH
• Controls front power window motor RH.
• Controls anti-pinch operation of front power window RH.
Rear power window switch
• Controls rear power window motors LH and RH.
Front power window motor LH
• Integrates the ENCODER POWER and WINDOW MOTOR.
• Starts operating with signals from main power window and door lock/unlock switch.
• Transmits power window motor rotation as a pulse signal to main power window and
door lock/unlock switch.
Front power window motor RH
Starts operating with signals from main power window and door lock/unlock switch &
power window and door lock/unlock switch RH.
Rear power window motor
Starts operating with signals from main power window and door lock/unlock switch &
rear power window switch.
Front door lock assembly LH (key cylin-
der switch)
Transmits operation condition of key cylinder switch to power window main switch.
Front door switch LH or RH
Detects door open/close condition and transmits to BCM.
2009 Pathfinder
DIAGNOSIS SYSTEM (BCM)
PWC-9
< FUNCTION DIAGNOSIS >
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
INFOID:0000000004422030
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.
1: With remote keyless entry system
2: With Intelligent Key
RETAINED PWR
Diagnosis mode
Function Description
WORK SUPPORT
Changes the setting for each system function.
SELF-DIAG RESULTS
Displays the diagnosis results judged by BCM. Refer to
CAN DIAG SUPPORT MNTR
Monitors the reception status of CAN communication viewed from BCM.
DATA MONITOR
The BCM input/output signals are displayed.
ACTIVE TEST
The signals used to activate each device are forcibly supplied from BCM.
ECU IDENTIFICATION
The BCM part number is displayed.
CONFIGURATION
• Enables to read and save the vehicle specification.
• Enables to write the vehicle specification when replacing BCM.
System
Sub system selection item
Diagnosis mode
WORK SUPPORT
DATA MONITOR
ACTIVE TEST
BCM
BCM
×
Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Remote keyless entry system
1
MULTI REMOTE ENT
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
Air conditioner
AIR CONDITONER
×
Intelligent Key system
2
INTELLIGENT KEY
×
Combination switch
COMB SW
×
Immobilizer
IMMU
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door open
TRUNK
×
×
Theft alarm
THEFT ALM
×
×
×
RAP (retained accessory power)
RETAINED PWR
×
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS (tire pressure monitoring sys-
tem)
AIR PRESSURE MONITOR
×
×
×
Vehicle security system
PANIC ALARM
×
2009 Pathfinder
PWC-10
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
RETAINED PWR : CONSULT-III Function (BCM - RETAINED PWR)
INFOID:0000000004422031
DATA MONITOR
ACTIVE TEST
WORK SUPPORT
Monitor Item
[Unit]
Description
IGN ON SW [ON/OFF]
Indicates condition of ignition switch.
DOOR SW-DR [ON/OFF]
Indicates condition of front door switch LH.
DOOR SW-AS [ON/OFF]
Indicates condition of front door switch RH.
Test Item
Description
RETAINED PWR
This test is able to supply RAP signal (power) from BCM (body control module) to power window
system and power sunroof system (if equipped). Those systems can be operated when turning on
“RETAINED PWR” on CONSULT-III screen even if the ignition switch is turned OFF.
NOTE:
During this test, CONSULT-III can be operated with ignition switch in OFF position. “RETAINED
PWR” should be turned “ON” or “OFF” on CONSULT-III screen when ignition switch is ON. Then
turn ignition switch OFF to check retained power operation. CONSULT-III might be stuck if “RE-
TAINED PWR” is turned “ON” or “OFF” on CONSULT-III screen when ignition switch is OFF.
Work item
Description
RETAINED PWR SET
RAP signal’s power supply period can be changed by mode setting. Selects RAP signal’s power
supply period between three steps
• MODE1 (45 sec.)/MODE2 (OFF)/MODE 3 (2 min.).
2009 Pathfinder
POWER SUPPLY AND GROUND CIRCUIT
PWC-11
< COMPONENT DIAGNOSIS >
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COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description
INFOID:0000000003935738
• BCM supplies power.
• It operates each power window motor via corresponding power window switch and makes window move up/
down when main power window and door lock/unlock switch is operated.
POWER WINDOW MAIN SWITCH : Component Function Check
INFOID:0000000003935739
Main Power Window And Door Lock/Unlock Switch
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH FUNCTION
Does power window motor operate with main power window and door lock/unlock switch operation?
Is the inspection result normal?
YES
>> Main power window and door lock/unlock switch power supply and ground circuit are OK.
NO
>> Refer to
PWC-11, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"
POWER WINDOW MAIN SWITCH : Diagnosis Procedure
INFOID:0000000003935740
Main Power Window And Door Lock/Unlock Switch Power Supply Circuit Check
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch ON.
2.
Check voltage between main power window and door lock/
unlock switch connectors (A and B) and ground.
Is the measurement value within the specification?
YES
>> GO TO 3
NO
>> GO TO 2
2.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect BCM and main power window and door lock/unlock
switch.
3.
Check continuity between BCM connector (A) and main power
window and door lock/unlock switch connectors (B and C).
4.
Check continuity between BCM connector (A) and ground.
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Main power window and
door lock/unlock switch
connector
Terminal
D7 (A)
10
Ground
Battery voltage
D8 (B)
19
ALKIA0273ZZ
BCM connector
Terminal
Main power window and
door lock/unlock switch
connector
Terminal
Continuity
M20 (A)
68
D7 (B)
10
Yes
69
D8 (C)
19
LIIA2215E
2009 Pathfinder
PWC-12
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect main power window and door lock/unlock switch.
3.
Check continuity between main power window and door lock/
unlock switch connector and ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock
switch. Refer to
PWC-94, "Removal and Installation"
NO
>> Repair or replace harness.
4.
CHECK BCM OUTPUT SIGNAL
1.
Connect BCM.
2.
Turn ignition switch ON.
3.
Check voltage between BCM connector and ground.
Is the measurement value within the specification?
YES
>> Check main power window and door lock/unlock switch output signal (rear power window switch
LH) GO TO 5
YES
>> Check main power window and door lock/unlock switch output signal (rear power window switch
RH) GO TO 6
NO
>> Replace BCM. Refer to
BCS-59, "Removal and Installation"
5.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POW-
ER WINDOW SWITCH LH)
1.
Turn ignition switch ON.
2.
Check voltage between main power window and door lock/
unlock switch connector and ground.
BCM connector
Terminal
Ground
Continuity
M20 (A)
68
No
69
Main power window and door lock/
unlock switch connector
Terminal
Ground
Continuity
D8
17
Yes
ALKIA0275ZZ
Terminals
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M20
68
Ground
Battery voltage
69
LIIA0917E
ALKIA0276ZZ
2009 Pathfinder
POWER SUPPLY AND GROUND CIRCUIT
PWC-13
< COMPONENT DIAGNOSIS >
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Is the measurement value within the specification?
YES
>> GO TO 7
NO
>> Replace main power window and door lock/unlock switch. Refer to
.
6.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POW-
ER WINDOW SWITCH RH)
1.
Turn ignition switch ON.
2.
Check voltage between main power window and door lock/
unlock switch connector and ground.
Is the measurement value within the specification?
YES
>> GO TO 8
NO
>> Replace main power window and door lock/unlock switch. Refer to
.
7.
CHECK HARNESS CONTINUITY (REAR POWER WINDOW SWITCH LH)
1.
Turn ignition switch OFF.
2.
Disconnect rear power window switch LH.
3.
Check continuity between main power window and door lock/
unlock switch connector and rear power window switch LH con-
nector.
4.
Check continuity between main power window and door lock/unlock switch connector and ground.
Terminal
Window
condition
Voltage (V)
(Approx.)
(+)
(–)
Main power window
and door lock/unlock
switch connector
Terminal
D7
1
Ground
UP
Battery voltage
DOWN
0
3
UP
0
DOWN
Battery voltage
Terminal
Window
condition
Voltage (V)
(Approx.)
(+)
(–)
Main power win-
dow and door
lock/unlock
switch connector
Terminal
D7
7
Ground
UP
Battery voltage
DOWN
0
5
UP
0
DOWN
Battery voltage
ALKIA0277ZZ
Main power window
and door lock/unlock
switch connector
Terminal
Rear power window
switch LH connector
Terminal
Continuity
D7
1
D203
4
Yes
3
5
LIIA2230E
2009 Pathfinder
PWC-14
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 9
NO
>> Repair or replace harness.
8.
CHECK HARNESS CONTINUITY (REAR POWER WINDOW SWITCH RH)
1.
Turn ignition switch OFF.
2.
Disconnect rear power window switch RH.
3.
Check continuity between main power window and door lock/
unlock switch connector and rear power window switch RH con-
nector.
4.
Check continuity between main power window and door lock/unlock switch connector and ground.
Is the inspection result normal?
YES
>> GO TO 9
NO
>> Repair or replace harness.
9.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
Check main power window and door lock/unlock switch.
Refer to
PWC-14, "POWER WINDOW MAIN SWITCH : Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-49, "Intermittent Incident"
.
NO
>> Replace main power window and door lock/unlock switch. Refer to
.
POWER WINDOW MAIN SWITCH : Component Inspection
INFOID:0000000003935741
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1.
Check main power window and door lock/unlock switch.
Main power window and door
lock/unlock switch connector
Terminal
Ground
Continuity
D7
1
No
3
Main power window
and door lock/unlock
switch connector
Terminal
Rear power window
switch RH connector
Terminal
Continuity
D7
5
D303
5
Yes
7
4
Main power window and door
lock/unlock switch connector
Terminal
Ground
Continuity
D7
5
No
7
LIIA2232E
Terminal
Main power window and door lock/un-
lock switch condition
Continuity
10
1
Rear LH
UP
Yes
10
7
Rear RH
1
3
Rear LH
NEUTRAL
5
7
Rear RH
10
3
Rear LH
DOWN
10
5
Rear RH
ALKIA0280ZZ
2009 Pathfinder
POWER SUPPLY AND GROUND CIRCUIT
PWC-15
< COMPONENT DIAGNOSIS >
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2.
Check continuity between main power window and door lock/
unlock switch (power window lock switch). (Lock operation).
3.
Check continuity between main power window and door lock/
unlock switch (power window lock switch). (Unlock operation).
Is the inspection result normal?
YES
>> Main power window and door lock/unlock switch is OK.
NO
>> Replace main power window and door lock/unlock switch. Refer to
.
FRONT POWER WINDOW SWITCH
FRONT POWER WINDOW SWITCH : Description
INFOID:0000000003935742
• BCM supplies power.
• Front power window motor RH will be operated if power window and door lock/unlock switch RH is operated.
FRONT POWER WINDOW SWITCH : Component Function Check
INFOID:0000000003935743
Power Window And Door Lock/Unlock Switch RH
1.
CHECK FRONT POWER WINDOW MOTOR RH FUNCTION
Does front power window motor RH operate with power window and door lock/unlock switch RH operation?
Is the inspection result normal?
YES
>> Power window and door lock/unlock switch RH power supply and ground circuit are OK.
NO
>> Refer to
PWC-15, "FRONT POWER WINDOW SWITCH : Diagnosis Procedure"
FRONT POWER WINDOW SWITCH : Diagnosis Procedure
INFOID:0000000003935744
Power Window And Door Lock/Unlock Switch RH Power Supply Circuit Check
1.
CHECK POWER SUPPLY CIRCUIT
Terminal
Main power window and door lock/unlock
switch condition
Continuity
3
17
Rear LH
UP
No
5
Rear RH
1
Rear LH
NEUTRAL
3
5
Rear RH
7
1
Rear LH
DOWN
7
Rear RH
Terminal
Main power window and door lock/unlock
switch condition
Continuity
3
17
Rear LH
UP
Yes
5
Rear RH
1
Rear LH
NEUTRAL
3
5
Rear RH
7
1
Rear LH
DOWN
7
Rear RH
ALKIA0281ZZ
ALKIA0281ZZ
2009 Pathfinder
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