INFINITI QX56 2011 Factory Service Manual

GROUND CIRCUITDLK-165
< DTC/CIRCUIT DIAGNOSIS >
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GROUND CIRCUIT
Component Function CheckINFOID:0000000006225992
1.CHECK FUNCTION
1. Select “AUTOMATIC BACK DOOR CONTROL UNIT” using CONSULT-III.
2. Select “DESTINATION” and “HAZARD” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Automatic back door ground circuit is OK.
NO >> Refer to DLK-165, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225993
1.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic back door control module connector.
3. Check continuity between automatic back door control module harness connector and ground.
Is the inspection result normal?
YES >> Replace automatic back door control module. Refer to DLK-262, "Removal and Installation".
NO >> Repair or replace harness.
Monitor item Condition Status
DESTINATION Circuit between automatic
back door control module
terminal 22 and ground Normal NAM
Open or short JPN
HAZARD Circuit between automatic
back door control module terminal 23 and ground Normal ON
Open or short OFF
Automatic back door control module
GroundContinuity
Connector Terminal
B26 22
Existed
23
Revision: 2010 May2011 QX56

DLK-166
< DTC/CIRCUIT DIAGNOSIS >
INTEGRATED HOMELINK TRANSMITTER
INTEGRATED HOMELINK TRANSMITTER
Component Function CheckINFOID:0000000006256149
1.CHECK FUNCTION
Check that system receiver (garage door opener, et c.) operates with original hand-held transmitter.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Receiver or hand-held transmitter is malfunctioning.
2.CHECK ILLUMINATE
1. Turn ignition switch OFF.
2. Does red light of transmitter illuminat e when any transmitter button is pressed?
Is the inspection result normal?
YES >> GO TO 3.
NO >> Refer to DLK-166, "
Diagnosis Procedure".
3.CHECK TRANSMITTER
Check transmitter with Tool*.
*:For details, refer to Technical Service Bulletin.
Is the inspection result normal?
YES >> Receiver or hand-held transmitter malfunction, not vehicle related.
NO >> Replace auto anti-dazzling inside mirror (integrated homelink transmitter).
Diagnosis ProcedureINFOID:0000000006256150
1.CHECK POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect auto anti-dazzling inside mirror (integrated homelink transmitter) connector.
3. Check voltage between auto anti-dazzling inside mirro r (integrated homelink transmitter) harness connec-
tor and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO-1 >> Check 10 A fuse [No. 6 located in the fuse block (J/B)].
NO-2 >> Harness for open or short between fuse and aut o anti-dazzling inside mirror (integrated homelink
transmitter).
2.CHECK GROUND CIRCUIT
Check continuity between auto anti-dazzling inside mi rror (integrated homelink transmitter) harness connector
and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
(+)
(–)Vo l ta g e
(Approx.)
Auto anti-dazzling inside mirror
(Integrated homelink transmitter)
Connector Terminal
R25 6
Ground Battery voltage
10
Auto anti-dazzling inside mirror
(Integrated homelink transmitter) GroundContinuity
Connector Terminal
R25 8 Existed
Revision: 2010 May2011 QX56

INTEGRATED HOMELINK TRANSMITTERDLK-167
< DTC/CIRCUIT DIAGNOSIS >
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3.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
Revision: 2010 May2011 QX56

DLK-168
< SYMPTOM DIAGNOSIS >
DOOR DOES NOT LOCK/UNLOCK WITH DOOR LOCK AND UNLOCK SWITCH
SYMPTOM DIAGNOSIS
DOOR DOES NOT LOCK/UNLOCK WITH DOOR LOCK AND UNLOCK
SWITCH
ALL DOOR
ALL DOOR : DescriptionINFOID:0000000006225994
All doors do not lock/unlock using door lock and unlock switch.
ALL DOOR : Diagnosis ProcedureINFOID:0000000006225995
1.CHECK DOOR LOCK AND UNLOCK SWITCH
Check door lock and unlock switch.
 Driver side: Refer to DLK-122, "
DRIVER SIDE : ComponentFunctionCheck".
 Passenger side: Refer to DLK-122, "
PASSENGER SIDE : ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK DOOR LOCK ACTUATOR
Check front door lock assembly (driver side).
Refer to DLK-123, "
DRIVER SIDE : ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.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".
DRIVER SIDE
DRIVER SIDE : DescriptionINFOID:0000000006225996
Driver side door does not lock/unlock using door lock and unlock switch.
DRIVER SIDE : Diagnosis ProcedureINFOID:0000000006225997
1.CHECK DOOR LOCK ACTUATOR
Check front door lock assembly (driver side).
Refer to DLK-123, "
DRIVER SIDE : ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.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".
PASSENGER SIDE
Revision: 2010 May2011 QX56

DOOR DOES NOT LOCK/UNLOCK WITH DOOR LOCK AND UNLOCK SWITCH
DLK-169
< SYMPTOM DIAGNOSIS >
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PASSENGER SIDE : DescriptionINFOID:0000000006225998
Passenger side door does not lock/unloc k using door lock and unlock switch.
PASSENGER SIDE : Diagnosis ProcedureINFOID:0000000006225999
1.CHECK DOOR LOCK ACTUATOR
Check front door lock assembly (passenger side).
Refer to DLK-124, "
PASSENGER SIDE : ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.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".
REAR LH
REAR LH : DescriptionINFOID:0000000006226000
Rear LH side door does not lock/unlock using door lock and unlock switch.
REAR LH : Diagnosis ProcedureINFOID:0000000006226001
1.CHECK DOOR LOCK ACTUATOR
Check rear door lock assembly LH.
Refer to DLK-125, "
REAR LH : ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.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".
REAR RH
REAR RH : DescriptionINFOID:0000000006226002
Rear RH side door does not lock/unlock using door lock and unlock switch.
REAR RH : Diagnosis ProcedureINFOID:0000000006226003
1.CHECK DOOR LOCK ACTUATOR
Check rear door lock assembly RH.
Refer to DLK-126, "
REAR RH : ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.REPLACE BCM
 Replace BCM. Refer to BCS-81, "
Removal and Installation".
Revision: 2010 May2011 QX56

DLK-170
< SYMPTOM DIAGNOSIS >
DOOR DOES NOT LOCK/UNLOCK WITH DOOR LOCK AND UNLOCK SWITCH
 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

DOOR DOES NOT LOCK/UNLOCK WITH DOOR KEY CYLINDER OPERATION
DLK-171
< SYMPTOM DIAGNOSIS >
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DOOR DOES NOT LOCK/UNLOCK WI TH DOOR KEY CYLINDER OPERA-
TION
Diagnosis ProcedureINFOID:0000000006226004
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 KEY CYLINDER SWITCH
Check door key cylinder switch.
Refer to DLK-132, "
Component Function Check".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.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-172
< SYMPTOM DIAGNOSIS >
DOOR DOES NOT LOCK/UNLOCK WITH DOOR REQUEST SWITCH
DOOR DOES NOT LOCK/UNLOCK WITH DOOR REQUEST SWITCH
ALL DOOR REQUEST SWITCHES
ALL DOOR REQUEST SWITCHES : DescriptionINFOID:0000000006226005
All doors do not lock/unlock using all door request switches.
ALL DOOR REQUEST SWITCHES : Diagnosis ProcedureINFOID:0000000006226006
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-134, "
ComponentFunctionCheck".
2.CHECK “LOCK/UNLOCK BY I-KEY” SETTING IN “WORK SUPPORT”
1. Select “INTELLIGE NT KEY” of “BCM” using CONSULT-III.
2. Select “LOCK/UNLOCK BY I-K EY” in “WORK SUPPORT” mode.
3. Check “LOCK/UNLOCK BY I-KEY” 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 “ON” in “LOCK/UNLOCK BY I-KEY”.
3.CHECK DOOR SWITCH
Check door switch.
Refer to DLK-117, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.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 5.
NO >> Repair or replace the malfunctioning parts.
5.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 6.
NO >> Repair or replace the malfunctioning parts.
6.CHECK BACK DOOR SWITCH
Check back door switch.
Refer to DLK-120, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair or replace the malfunctioning parts.
7.REPLACE BCM
Revision: 2010 May2011 QX56

DOOR DOES NOT LOCK/UNLOCK WITH DOOR REQUEST SWITCH
DLK-173
< SYMPTOM DIAGNOSIS >
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 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".
DRIVER SIDE DOOR REQUEST SWITCH
DRIVER SIDE DOOR REQUEST SWITCH : DescriptionINFOID:0000000006226007
All doors do not lock/unlock using driver side door request switch.
DRIVER SIDE DOOR REQUEST SW ITCH : Diagnosis ProcedureINFOID:0000000006226008
1.CHECK DOOR REQUEST SWITCH
Check front door request switch (driver side).
Refer to DLK-137, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.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".
PASSENGER SIDE DOOR REQUEST SWITCH
PASSENGER SIDE DOOR REQUEST SWITCH : DescriptionINFOID:0000000006226009
All doors do not lock/unlock using passenger side door request switch.
PASSENGER SIDE DOOR REQUEST SWITCH : Diagnosis ProcedureINFOID:0000000006226010
1.CHECK DOOR REQUEST SWITCH
Check front door request switch (passenger side).
Refer to DLK-137, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.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".
BACK DOOR REQUEST SWITCH
BACK DOOR REQUEST SWITCH : DescriptionINFOID:0000000006226011
All doors do not lock/unlock using back door request switch.
BACK DOOR REQUEST SWITCH : Diagnosis ProcedureINFOID:0000000006226012
1.CHECK BACK DOOR REQUEST SWITCH
Check back door request switch.
Revision: 2010 May2011 QX56

DLK-174
< SYMPTOM DIAGNOSIS >
DOOR DOES NOT LOCK/UNLOCK WITH DOOR REQUEST SWITCH
Refer to DLK-139, "ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.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