Infiniti QX56 (JA60). Manual — part 749
PWC-8
< FUNCTION DIAGNOSIS >
POWER WINDOW SYSTEM
Component Parts Location
INFOID:0000000005147167
Component Description
INFOID:0000000005147168
POWER WINDOW ANTI-PINCH SYSTEM
LIIA2715E
1.
A. Steering column
B. BCM M18, M19, M20 (view with
instrument panel removed)
2.
A. Main power window and door
lock/unlock switch D7, D8
Power window and door lock/unlock
switch RH D105
B. Front door switch LH B8, RH B108
C. Front power window motor LH D9,
RH D104
D. Front door lock assembly LH (key
cylinder switch) D14
3.
A. Rear power window switch LH
D203, RH D303
Rear power window control unit LH
D209, RH D309
B. Rear power window motor LH
D204, RH D304
4.
A. Rear power vent window relay
(CLOSE) M89
B. Rear power vent window relay
(OPEN) M87
5.
Rear power vent window switch M95 6.
A. Rear power vent window motor
LH B52, RH B150
B. Condenser-3 B119
Condenser-4 B120
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 control units LH and RH.
Rear power window control unit
• Controls rear power window motors LH and RH.
• Controls anti-pinch operation of rear power window LH/RH.
POWER WINDOW SYSTEM
PWC-9
< FUNCTION DIAGNOSIS >
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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.
Component
Function
PWC-10
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
INFOID:0000000005369205
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.
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
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
INTELLIGENT KEY
×
Combination switch
COMB SW
×
Immobilizer
IMMU
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door open
TRUNK
×
×
RAP (retained accessory power)
RETAINED PWR
×
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS (tire pressure monitoring sys-
tem)
AIR PRESSURE MONITOR
×
×
×
Vehicle security system
THEFT ALM
×
×
×
Panic alarm system
PANIC ALARM
×
DIAGNOSIS SYSTEM (BCM)
PWC-11
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RETAINED PWR : CONSULT-III Function (BCM - RETAINED PWR)
INFOID:0000000005369878
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.).
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