2011 INFINITI QX56 window

PWC-70
< SYMPTOM DIAGNOSIS >
DOOR KEY CYLINDER SWITCH DOES NOT OPERATE POWER WINDOWS
DOOR KEY CYLINDER SWITCH DOES NOT OPERATE POWER WIN-
DOWS
Diagnosis ProcedureINFOID:0000000006217337
1.PERFORM INITIALIZATION PROCEDURE
Initialization procedure is performed and operation is confirmed.
Refer to PWC-33, "
Work Procedure"
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK DRIVER SIDE DOOR LOCK AS SEMBLY (DOOR KEY CYLINDER SWITCH)
Check front door lock assembly (driver side) (door key cylinder switch).
Refer to PWC-53, "
Component Function Check"
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> GO TO 1.
Revision: 2010 May2011 QX56

KEYLESS POWER WINDOW DOWN DOES NOT OPERATE
PWC-71
< SYMPTOM DIAGNOSIS >
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KEYLESS POWER WINDOW DOWN DOES NOT OPERATE
Diagnosis ProcedureINFOID:0000000006217338
1.CHECK REMOTE KEYLESS ENTRY FUNCTION
Check remote keyless entry function.
Does door lock/unlock with Intelligent key button?
YES >> GO TO 2.
NO >> Refer to DLK-175, "
Diagnosis Procedure".
2.CHECK POWER WINDOW OPERATION
Check power window operation.
Does power window up/down with power window main switch?
YES >> GO TO 3.
NO >> Refer to PWC-35, "
POWER WINDOW MAIN SWITCH : Diagnosis Procedure".
3.CHECK “PW DOWN SET” SETTING IN “WORK SUPPORT”
Check “PW DOWN SET” setting in “WORK SUPPORT”.
Refer to DLK-41, "
INTELLIGENT KEY : CONSULT-III F unction (BCM - INTELLIGENT KEY)".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Set “PW DOWN SET” setting in “WORK SUPPORT”.
4.CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> GO TO 1.
Revision: 2010 May2011 QX56

PWC-72
< SYMPTOM DIAGNOSIS >
POWER WINDOW LOCK SWITCH DOES NOT FUNCTION
POWER WINDOW LOCK SWITCH DOES NOT FUNCTION
Diagnosis ProcedureINFOID:0000000006217339
1.REPLACE POWER WINDOW MAIN SWITCH
Replace power window main switch. Refer to PWC-74, "
Removal and Installation".
>> INSPECTION END
Revision: 2010 May2011 QX56

POWER WINDOW SWITCH DOES NOT ILLUMINATE
PWC-73
< SYMPTOM DIAGNOSIS >
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POWER WINDOW SWITCH DOES NOT ILLUMINATE
DRIVER SIDE
DRIVER SIDE : Diag nosis ProcedureINFOID:0000000006217340
1.REPLACE POWER WINDOW MAIN SWITCH
Replace power window main switch.
Refer to PWC-74, "
Removal and Installation".
>> INSPECTION END
PASSENGER SIDE
PASSENGER SIDE : Dia gnosis ProcedureINFOID:0000000006217341
1.REPLACE FRONT POWER WINDOW SWITCH (PASSENGER SIDE)
Replace front power window switch (passenger side).
Refer to PWC-74, "
Removal and Installation".
>> INSPECTION END
REAR LH
REAR LH : Diagnosis ProcedureINFOID:0000000006217342
1.REPLACE REAR POWER WINDOW SWITCH LH
Replace rear power window switch LH.
Refer to PWC-74, "
Removal and Installation".
>> INSPECTION END
REAR RH
REAR RH : Diagnosis ProcedureINFOID:0000000006217343
1.REPLACE REAR POWER WINDOW SWITCH RH
Replace rear power window switch RH.
Refer to PWC-74, "
Removal and Installation".
>> INSPECTION END
Revision: 2010 May2011 QX56

PWC-74
< REMOVAL AND INSTALLATION >
POWER WINDOW MAIN SWITCH
REMOVAL AND INSTALLATION
POWER WINDOW MAIN SWITCH
Removal and InstallationINFOID:0000000006217344
REMOVAL
1. Remove the power window main switch finisher.Refer to INT-14, "
Removal and Installation".
2. Power window main switch is removed from power window main switch finisher using flat-bladed screw-
driver etc.
CAUTION:
Never fold the pawl of power window main switch finisher.
NOTE:
The same procedure is also performed for front power window switch (passenger side) and rear power win-
dow switch (LH & RH).
INSTALLATION
Install in the reverse order of removal.
NOTE:
When power window switch is replaced or is removed, it is necessary to do the initialization procedure.
Refer to PWC-32, "
Work Procedure".
Revision: 2010 May2011 QX56

RF-18
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000006141232
SUNROOF MOTOR ASSEMBLY
1.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect sunroof motor assembly harness connector.
3. Check continuity between sunroof mo tor assembly harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness or connector.
2.CHECK POWER SUPPLY CIRCUIT-I
1. Turn ignition switch ON.
2. Check voltage between sunroof moto r assembly harness connector and ground.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> GO TO 3.
3.CHECK POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect BCM harness connector and power window main switch harness connector.
3. Check continuity between BCM harness connecto r and sunroof motor assembly harness connector.
4. Check continuity between sunroof mo tor assembly harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness or connector.
4.CHECK POWER SUPPLY CIRCUIT-III
1. Check continuity between BCM harness connecto r and sunroof motor assembly harness connector.
Sunroof motor assembly
GroundContinuity
Connector Terminal
R4 1 Existed
(+) (–)Voltage (V)
(Approx.)
Sunroof motor assembly
Connector Terminal
R4 3
Ground 12
6
BCM Sunroof mo tor assembly
Continuity
Connector Terminal Connector Terminal
M70 68 R4 3 Existed
Sunroof motor assembly GroundContinuity
Connector Terminal
R4 3 Not existed
Revision: 2010 May2011 QX56

DIAGNOSIS SYSTEM (BCM)SEC-21
< SYSTEM DESCRIPTION > [WITH INTELLIGENT KEY SYSTEM]
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Fu nction (BCM - COMMON ITEM)INFOID:0000000006365349
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.
×: Applicable item
*: This item is indicated, but not used.
FREEZE FRAME DATA (FFD)
The BCM records the following vehicle condition at the time a particular DTC is detected, and displays on
CONSULT-III.
Diagnosis mode Function Description
Work Support Changes the setting for each system function.
Self Diagnostic Result Displays the diagnosis results judged by BCM. Refer to BCS-57, "
DTCIndex".
CAN Diag Support Monitor Monitors the reception status of CAN communication viewed from BCM. Refer to CONSULT-III opera-
tion manual.
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  Read and save the vehicle specification.
 Write the vehicle specification when replacing BCM.
System Sub system selection item Diagnosis mode
Work Support Data Monitor Active Test
Door lock DOOR LOCK ×××
Rear window defo gger REAR DEFOGGER ××
Warning chime BUZZER ××
Interior room lamp timer INT LAMP ×××
Exterior lamp HEAD LAMP ×××
Wiper and washer WIPER ×××
Turn signal and hazard warning lamps FLASHER ×××
— AIR CONDITONER* ××
 Intelligent Key system
 Engine start system INTELLIGENT KEY
×××
Combination switch COMB SW ×
Body control system BCM ×
IVIS IMMU ×××
Interior room lamp battery saver BATTERY SAVER ×××
Back door TRUNK ×
Vehicle security system THEFT ALM ×××
RAP system RETAINED PWR ×
Signal buffer system SIGNAL BUFFER ××
Revision: 2010 May2011 QX56

DIAGNOSIS SYSTEM (BCM)SEC-25
< SYSTEM DESCRIPTION > [WITH INTELLIGENT KEY SYSTEM]
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*: OFF is displayed when brake pedal is depressed while brake switch power supply is OFF.
ACTIVE TEST
PRMT RKE STRT NOTE:
This item is displayed, but cannot be monitored
TRNK/HAT MNTR NOTE:
This item is displayed, but cannot be monitored
RKE-LOCK Indicates [On/Off] condition of LOCK signal from Intelligent Key
RKE-UNLOCK Indicates [On/Off] condition of UNLOCK signal from Intelligent Key
RKE-TR/BD NOTE:
This item is displayed, but cannot be monitored
RKE-PANIC Indicates [On/Off] condition of PANIC button of Intelligent Key
RKE-MODE CHG Indicates [On/Off] condition of MODE CHANGE signal from Intelligent Key
RKE OPE COUN1 When remote keyless entry receiver receives the signal transmitted while operating on Intelli-
gent Key, the numerical value start changing
RKE OPE COUN2 NOTE:
This item is displayed, but cannot be monitored
Monitor Item Condition
Test item Description
BATTERY SAVER This test is able to check interior room lamp operation
 On: Operate
 Off: Non-operation
OUTSIDE BUZZER This test is able to check Intelligent Key warning buzzer operation
 On: Operate
 Off: Non-operation
INSIDE BUZZER This test is able to check warning chime in combination meter operation
 Take Out: Take away warning chime sounds when CONSULT-III screen is touched
 Key: Key warning chime sounds when CONSULT-III screen is touched
 Knob: OFF position warning chime sounds when CONSULT-III screen is touched
 Off: Non-operation
INDICATOR This test is able to check warning lamp operation
 KEY ON: “KEY” Warning lamp illuminates when CONSULT-III screen is touched
 KEY IND: “KEY” Warning lamp blinks when CONSULT-III screen is touched
 Off: Non-operation
INT LAMP This test is able to check interior room lamp operation
 On: Operate
 Off: Non-operation
LCD This test is able to check meter display information
 Engine start information displays when “BP N” on CONSULT-III screen is touched
 Engine start information displays when “BP I” on CONSULT-III screen is touched
 Key ID warning displays when “ID NG” on CONSULT-III screen is touched
 Steering lock information displays when “ROTAT” on CONSULT-III screen is touched
 P position warning displays when “SFT P” on CONSULT-III screen is touched
 INSRT: This item is displayed, but cannot be monitored
 BATT: This item is displayed, but cannot be monitored
 Take away through window warning displays when “NO KY” on CONSULT-III screen is
touched
 Take away warning displa y when “OUTKEY” on CONSUL T-III screen is touched
 OFF position warning display when “LK WN” on CONSULT-III screen is touched
FLASHER This test is able to check security hazard lamp operation
The hazard lamps are activated after “LH/RH/Off” on CONSULT-III screen is touched
P RANGE This test is able to check A/T shift selector power supply
 On: Operate
 Off: Non-operation
ENGINE SW ILLUMI This test is able to check push-button ignition switch illumination operation
Push-ignition switch illumination illuminates when “ON” on CONSULT-III screen is touched
Revision: 2010 May2011 QX56