2011 INFINITI QX56 Back door

IGNITION POSITION WARNING FUNCTION DOES NOT OPERATE
DLK-177
< SYMPTOM DIAGNOSIS >
C
D E
F
G H
I
J
L
M A
B
DLK
N
O P
IGNITION POSITION WARNING FUNCTION DOES NOT OPERATE
Diagnosis ProcedureINFOID:0000000006226015
1.CHECK POWER DOOR LOCK OPERATION
Check power door lock operation.
Does door lock/unlock with door lock and unlock switch?
YES >> GO TO 2.
NO >> Refer to DLK-168, "
ALL DOOR : Diagnosis Procedure".
2.CHECK DOOR SWITCH
Check door switch
Refer to DLK-117, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK BACK DOOR SWITCH
Check door switch
Refer to DLK-120, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.REPLACE BCM
 Replace BCM. Refer to BCS-81, "
Removal and Installation".
 Confirm the operation after replacement.
Is the result normal?
YES >> INSPECTION END
NO >> Check intermittent incident. Refer to GI-40, "
Intermittent Incident".
Revision: 2010 May2011 QX56

DLK-186
< SYMPTOM DIAGNOSIS >
WELCOME LIGHT FUNCTION DOES NOT OPERATE
WELCOME LIGHT FUNCTION DOES NOT OPERATE
Diagnosis ProcedureINFOID:0000000006226024
1.CHECK “WELCOME LIGHT OP SET” SETTING IN “WORK SUPPORT”
1. Select “INTELLIGE NT KEY” of “BCM” using CONSULT-III.
2. Select “WELCOME LIGHT OP SET” in “WORK SUPPORT” mode.
3. Check “WELCOME LIGHT OP 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 2.
NO >> Set “On” and “WELCOME LIGHT SELECT” in “WORK SUPPORT”.
2.CHECK “WELCOME LIGHT SELECT” SETTING IN “WORK SUPPORT”
1. Select “INTELLIGE NT KEY” of “BCM” using CONSULT-III.
2. Select “WELCOME LIGHT SEL ECT” in “WORK SUPPORT” mode.
3. Check “WELCOME LIGHT SELECT ” 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 3.
NO >> Set “WELCOME LIGHT SELECT” setting in “WORK SUPPORT”.
3.CHECK INSIDE KEY ANTENNA
Check inside key antenna.
 Instrument center: Refer to DLK-104, "
DTC Logic".
 Console: Refer to DLK-106, "
DTC Logic".
 Luggage room: Refer to DLK-108, "
DTC Logic".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CHECK OUTSIDE KEY ANTENNA
Check outside key antenna.
 Driver side: Refer to DLK-110, "
DTC Logic".
 Passenger side: Refer to DLK-112, "
DTC Logic".
 Back door: Refer to DLK-114, "
DTC Logic".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the malfunctioning parts.
5.CHECK REMOTE KEYL ESS ENTRY FUNCTION
Check remote keyless entry function
Does door lock/unlock with Intelligent Key button?
YES >> GO TO 6.
NO >> Refer to DLK-175, "
Diagnosis Procedure".
6.CHECK INTERIOR ROOM LAMP CONTROL SYSTEM
Check interior room lamp control system. Refer to INL-6, "
INTERIOR ROOM LAMP CONTROL SYSTEM :
System Description".
Does the room lamp and puddle lamp turn ON?
YES >> GO TO 7.
NO >> Refer to INL-67, "
Symptom Table".
7.REPLACE BCM
 Replace BCM. Refer to BCS-81, "
Removal and Installation".
 Confirm the operation after replacement.
Is the result normal?
Revision: 2010 May2011 QX56

DLK-198
< SYMPTOM DIAGNOSIS >
AUTOMATIC BACK DOOR OPERATION DOES NOT OPERATE
AUTOMATIC BACK DOOR OPERATION DOES NOT OPERATE
ALL SWITCHES
ALL SWITCHES : DescriptionINFOID:0000000006226037
Automatic back door open/close function does not operate using all switches.
NOTE:
Automatic back door open/close operation condition is ex tremely complicated, during operating confirmations,
reconfirm the list above twice in order to ensure proper operation. Refer to DLK-31, "
System Description".
ALL SWITCHES : Diagnosis ProcedureINFOID:0000000006226038
1.CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL MODULE
Check that DTC is not detected with automatic back door control module.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Perform trouble diagnosis relevant to DTC indicated.
2.CHECK BACK DOOR AUTO CLOSURE FUNCTION
Check back door auto closure function.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Refer to DLK-201, "
OPEN/CLOSURE FUNCTION : Diagnosis Procedure".
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check automatic back door control module power supply and ground circuit.
Refer to DLK-116, "
AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CHECK GROUND CIRCUIT
Check automatic back door control module ground circuit.
Refer to DLK-165, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the malfunctioning parts.
5.CHECK TOUCH SENSOR LH
Check touch sensor LH.
Refer to DLK-159, "
LH : ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace the malfunctioning parts.
6.CHECK TOUCH SENSOR RH
Check touch sensor RH.
Refer to DLK-158, "
RH : ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair or replace the malfunctioning parts.
7.REPLACE AUTOMATIC BACK DOOR CONTROL MODULE
1. Replace automatic back door control module. Refer to DLK-262, "
Removal and Installation".
2. Confirm the operation after replacement.
Is the result normal?
YES >> INSPECTION END
Revision: 2010 May2011 QX56

AUTOMATIC BACK DOOR OPERATION DOES NOT OPERATE
DLK-199
< SYMPTOM DIAGNOSIS >
C
D E
F
G H
I
J
L
M A
B
DLK
N
O P
NO >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
AUTOMATIC BACK DOOR SWITCH
AUTOMATIC BACK DOOR SWITCH : DescriptionINFOID:0000000006226039
Automatic back door open/close function does not operate using automatic back door switch.
NOTE:
Automatic back door open/close operation condition is extr emely complicated, during operating confirmations,
reconfirm the list above twice in order to ensure proper operation. Refer to DLK-31, "
System Description".
AUTOMATIC BACK DOOR SWITCH : Diagnosis ProcedureINFOID:0000000006226040
1.CHECK AUTOMATIC BACK DOOR SWITCH
Check automatic back door switch.
Refer to DLK-154, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.REPLACE AUTOMATIC BACK DOOR CONTROL MODULE
1. Replace automatic back door control module. Refer to DLK-262, "
Removal and Installation".
2. Confirm the operation after replacement.
Is the result normal?
YES >> INSPECTION END
NO >> Check intermittent incident. Refer to GI-40, "
Intermittent Incident".
AUTOMATIC BACK DOOR CLOSE SWITCH
AUTOMATIC BACK DOOR CLOSE SWITCH : DescriptionINFOID:0000000006226041
Automatic back door open/close function does not oper ate using automatic back door close switch.
NOTE:
Automatic back door open/close operation condition is extr emely complicated, during operating confirmations,
reconfirm the list above twice in order to ensure proper operation. Refer to DLK-31, "
System Description".
AUTOMATIC BACK DOOR CLOSE SWITCH : Diagnosis ProcedureINFOID:0000000006226042
1.CONFIRM THE OPERATION
1. Turn ON automatic back door main switch.
2. Confirm the operation.
Is the result normal?
YES >> Automatic back door system is normal.
NO >> GO TO 2.
2.CHECK AUTOMATIC BACK DOOR CLOSE SWITCH
Check automatic back door close switch.
Refer to DLK-150, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK AUTOMATIC BACK DOOR MAIN SWITCH
Check automatic back door main switch.
Refer to DLK-152, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.REPLACE AUTOMATIC BACK DOOR CONTROL MODULE
Revision: 2010 May2011 QX56

DLK-200
< SYMPTOM DIAGNOSIS >
AUTOMATIC BACK DOOR OPERATION DOES NOT OPERATE
1. Replace automatic back door control module. Refer to DLK-262, "Removal and Installation".
2. Confirm the operation after replacement.
Is the result normal?
YES >> INSPECTION END
NO >> Check intermittent incident. Refer to GI-40, "
Intermittent Incident".
INTELLIGENT KEY
INTELLIGENT KEY : DescriptionINFOID:0000000006226043
Automatic back door open/close function does not operate using Intelligent Key.
NOTE:
Automatic back door open/close operation condition is ex tremely complicated, during operating confirmations,
reconfirm the list above twice in order to ensure proper operation. Refer to DLK-31, "
System Description".
INTELLIGENT KEY : Diagnosis ProcedureINFOID:0000000006226044
1.CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL MODULE
Check that DTC is not detected with automatic back door control module.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Perform trouble diagnosis relevant to DTC indicated.
2.CHECK DTC WITH BCM
Check that DTC is not detected with BCM
Is the inspection result normal?
YES >> GO TO 3.
NO >> Perform trouble diagnosis relevant to DTC indicated.
3.CHECK REMOTE KEYL ESS ENTRY FUNCTION
Check remote keyless entry function.
Does door lock/unlock with Intelligent Key button?
YES >> GO TO 4.
NO >> Refer to DLK-175, "
Diagnosis Procedure".
4.REPLACE AUTOMATIC BACK DOOR CONTROL MODULE
1. Replace automatic back door control module. Refer to DLK-262, "
Removal and Installation".
2. Confirm the operation after replacement.
Is the result normal?
YES >> INSPECTION END
NO >> Check intermittent incident. Refer to GI-40, "
Intermittent Incident".
BACK DOOR OPENER SWITCH
BACK DOOR OPENER SWITCH : DescriptionINFOID:0000000006226045
Automatic back door open/close function does not operate using back door opener switch.
NOTE:
Automatic back door open/close operation condition is ex tremely complicated, during operating confirmations,
reconfirm the list above twice in order to ensure proper operation. Refer to DLK-31, "
System Description".
BACK DOOR OPENER SWITCH : Diagnosis ProcedureINFOID:0000000006226046
1.CONFIRM THE OPERATION
1. Turn ON automatic back door main switch.
2. Confirm the operation.
Is the result normal?
YES >> Automatic back door system is normal.
NO >> GO TO 2.
Revision: 2010 May2011 QX56

AUTOMATIC BACK DOOR OPERATION DOES NOT OPERATE
DLK-201
< SYMPTOM DIAGNOSIS >
C
D E
F
G H
I
J
L
M A
B
DLK
N
O P
2.CHECK AUTOMATIC BACK DOOR MAIN SWITCH
Check automatic back door main switch.
Refer to DLK-152, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK BACK DOOR OPENER SWITCH
Check back door opener switch.
Refer to DLK-141, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.REPLACE AUTOMATIC BACK DOOR CONTROL MODULE
1. Replace automatic back door control module. Refer to DLK-262, "
Removal and Installation".
2. Confirm the operation after replacement.
Is the result normal?
YES >> INSPECTION END
NO >> Check intermittent incident. Refer to GI-40, "
Intermittent Incident".
OPEN/CLOSURE FUNCTION
OPEN/CLOSURE FUNCTION : DescriptionINFOID:0000000006226047
Back door auto closure function does not operate w hen back door opening and closing operations are per-
formed.
OPEN/CLOSURE FUNCTION : Diagnosis ProcedureINFOID:0000000006226048
1.CONFIRM THE OPERATION
1. Turn ON automatic back door main switch.
2. Confirm the operation.
Is the result normal?
YES >> Automatic back door system is normal.
NO >> GO TO 2.
2.CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL MODULE
Check that DTC is not detected wit h automatic back door control module.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Perform trouble diagnosis relevant to DTC indicated.
3.CHECK AUTOMATIC BACK DOOR MAIN SWITCH
Check automatic back door main switch.
Refer to DLK-152, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CHECK BACK DOOR OPENER SWITCH
Check back door opener switch.
Refer to DLK-141, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the malfunctioning parts.
Revision: 2010 May2011 QX56

DLK-202
< SYMPTOM DIAGNOSIS >
AUTOMATIC BACK DOOR OPERATION DOES NOT OPERATE
5.CHECK BACK DOOR CLOSURE MOTOR
Check back door closure motor.
Refer to DLK-162, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace the malfunctioning parts.
6.REPLACE AUTOMATIC BACK DOOR CONTROL MODULE
1. Replace automatic back door control module. Refer to DLK-261, "
Removal and Installation".
2. Confirm the operation after replacement.
Is the result normal?
YES >> INSPECTION END
NO >> Check intermittent incident. Refer to GI-40, "
Intermittent Incident".
OPEN FUNCTION
OPEN FUNCTION : DescriptionINFOID:0000000006226049
Back door auto closure function does not operat e when back door opening operations are performed.
OPEN FUNCTION : Diagnosis ProcedureINFOID:0000000006226050
1.CONFIRM THE OPERATION
1. Turn ON automatic back door main switch.
2. Confirm the operation.
Is the result normal?
YES >> Automatic back door system is normal.
NO >> GO TO 2.
2.CHECK AUTOMATIC BACK DOOR MAIN SWITCH
Check automatic back door main switch.
Refer to DLK-152, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK BACK DOOR OPENER SWITCH
Check back door opener switch.
Refer to DLK-141, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.REPLACE AUTOMATIC BACK DOOR CONTROL MODULE
1. Replace automatic back door control module. Refer to DLK-262, "
Removal and Installation".
2. Confirm the operation after replacement.
Is the result normal?
YES >> INSPECTION END
NO >> Check intermittent incident. Refer to GI-40, "
Intermittent Incident".
CLOSURE FUNCTION
CLOSURE FUNCTION : DescriptionINFOID:0000000006226051
Back door auto closure function does not operate when back door closing operations are performed.
Revision: 2010 May2011 QX56

AUTOMATIC BACK DOOR OPERATION DOES NOT OPERATE
DLK-203
< SYMPTOM DIAGNOSIS >
C
D E
F
G H
I
J
L
M A
B
DLK
N
O P
CLOSURE FUNCTION : Di agnosis ProcedureINFOID:0000000006226052
1.CHECK HALF LATCH SWITCH
Check half latch switch.
Refer to DLK-156, "
Component Function Check".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK BACK DOOR CLOSURE MOTOR
Check back door closure motor.
Refer to DLK-162, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.REPLACE AUTOMATIC BACK DOOR CONTROL MODULE
1. Replace automatic back door control module. Refer to DLK-262, "
Removal and Installation".
2. Confirm the operation after replacement.
Is the result normal?
YES >> INSPECTION END
NO >> Check intermittent incident. Refer to GI-40, "
Intermittent Incident".
Revision: 2010 May2011 QX56