ignition INFINITI QX56 2011 Factory Service Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2011, Model line: QX56, Model: INFINITI QX56 2011Pages: 5598, PDF Size: 94.53 MB
Page 1666 of 5598

DLK-130
< DTC/CIRCUIT DIAGNOSIS >
UNLOCK SENSOR
UNLOCK SENSOR
Component Function CheckINFOID:0000000006225941
1.CHECK FUNCTION
1. Select “INTELLIGE NT KEY” of “BCM” using CONSULT-III.
2. Select “UNLK SEN-DR” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Unlock sensor is OK.
NO >> Refer to DLK-130, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225942
1.CHECK UNLOCK SENSOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly (driver side) connector.
3. Check signal between front door lock assembly (d river side) harness connector and ground with oscillo-
scope.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK UNLOCK SENSOR CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and front door lock assembly (driver side) harness connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
Monitor item Condition Status
UNLK SEN -DR Driver side door Lock OFF
Unlock ON
(+)
(–)Signal
(Reference value)
Front door lock assembly (driver side)
Connector Terminal
D9 3 Ground
PKIB4960J
BCM Front door lock assembly (driver side) Continuity
Connector Terminal Connector Terminal
M68 31 D9 3 Existed
BCM GroundContinuity
Connector Terminal
M68 31 Not existed
Revision: 2010 May2011 QX56
Page 1667 of 5598

UNLOCK SENSORDLK-131
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
NO >> Repair or replace harness.
3.CHECK UNLOCK SENSOR GROUND CIRCUIT
Check continuity between front door lock assembly (driver side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK UNLOCK SENSOR
Refer to DLK-131, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace front door lock assembly (driver side).
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000006225943
1.CHECK UNLOCK SENSOR
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly (driver side) connector.
3. Check continuity between front door lock assembly (driver side) terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace front door lock assembly (driver side).
Front door lock assembly (driver side)
GroundContinuity
Connector Terminal
D9 4 Existed
Front door lock assembly (driver side) Condition Continuity
Te r m i n a l
3 4 Driver side door Unlock Existed
Lock Not existed
Revision: 2010 May2011 QX56
Page 1668 of 5598

DLK-132
< DTC/CIRCUIT DIAGNOSIS >
DOOR KEY CYLINDER SWITCH
DOOR KEY CYLINDER SWITCH
Component Function CheckINFOID:0000000006225944
1.CHECK FUNCTION
1. Select “DOOR LOCK” of “BCM” using CONSULT-III.
2. Select “KEY CYL LK-SW”, “KEY CY L UN-SW” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Door key cylinder switch is OK.
NO >> Refer to DLK-132, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225945
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly (driver side) connector.
3. Check voltage between front door lock assembly (driver side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DOOR KEY CYLINDER SWITCH SIGNAL CIRCUIT
1. Disconnect power window main switch connector.
2. Check continuity between power window main s witch harness connector and front door lock assembly
(driver side) harness connector.
3. Check continuity between power window main switch harness connector and ground.
Is the inspection result normal?
YES >> Replace power window main switch. Refer to PWC-74, "Removal and Installation".
Monitor item Condition Status
KEY CYL LK-SW Driver side door key cylinder Lock ON
Neutral / Unlock OFF
KEY CYL UN-SW Unlock ON
Neutral / Lock OFF
(+)
(–)Vo l ta g e
(Approx.)
Front door lock assembly (driver side)
Connector Terminal
D9 5
Ground 5 V
6
Power window main switch Front do or lock assembly (driver side)
Continuity
Connector Terminal Connector Terminal
D5 4
D9 6
Existed
65
Power window main switch GroundContinuity
Connector Terminal
D5 4
Not existed
6
Revision: 2010 May2011 QX56
Page 1669 of 5598

DOOR KEY CYLINDER SWITCHDLK-133
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
NO >> Repair or replace harness.
3.CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between front door lock assembly (driver side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK DOOR KEY CYLINDER SWITCH
Refer to DLK-133, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace front door lock assembly (driver side).
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000006225946
1.CHECK DOOR KEY CYLINDER SWITCH
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly (driver side) connector.
3. Check continuity between front door lock assembly (driver side) terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace front door lock assembly (driver side).
Front door lock assembly (driver side)
GroundContinuity
Connector Terminal
D9 4 Existed
Front door lock assembly (driver side) Condition Continuity
Te r m i n a l
5 4 Driver side door key cylinder Unlock Existed
Neutral / Lock Not existed
6 Lock Existed
Neutral / Unlock Not existed
Revision: 2010 May2011 QX56
Page 1670 of 5598

DLK-134
< DTC/CIRCUIT DIAGNOSIS >
REMOTE KEYLESS ENTRY RECEIVER
REMOTE KEYLESS ENTRY RECEIVER
Component Function CheckINFOID:0000000006225947
1.CHECK FUNCTION
1. Select “INTELLIGE NT KEY” of “BCM” using CONSULT-III.
2. Select “RKE OPE COUN1” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Remote keyless entry receiver is OK.
NO >> Refer to DLK-134, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225948
1.CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Check signal between remote keyless entry receiver harness connector and ground using oscilloscope.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK REMOTE K EYLESS ENTRY RECEIVER CIRCUIT 1
1. Disconnect BCM and remote keyless entry receiver connector
2. Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair or replace harness.
Monitor item Condition
RKE OPE COUN1 Checks whether value changes when operating Intelligent Key
(+) (–) Condition Signal
(Reference value)
Remote keyless entry receiver
Connector Terminal
B21 2 Ground Waiting
Signal receiving
JMKIA3838GB
JMKIA3841GB
BCM Remote keyless entry receiver
Continuity
Connector Terminal Connector Terminal
M68 20 B21 2 Existed
Revision: 2010 May2011 QX56
Page 1673 of 5598

DOOR REQUEST SWITCHDLK-137
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
DOOR REQUEST SWITCH
Component Function CheckINFOID:0000000006225949
1.CHECK FUNCTION
1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2. Select “REQ SW-DR”, “REQ SW-AS” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Front door request switch is OK.
NO >> Refer to DLK-137, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225950
1.CHECK DOOR REQUEST SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect malfunctioning front door request switch connector.
3. Check voltage between malfunctioning front door request switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DOOR REQUEST SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between malfunctioning front door request switch harness connector and BCM harness
connector.
3. Check continuity between malfunctioning front door request switch harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
NO >> Repair or replace harness.
Monitor item Condition Status
REQ SW -DR Driver side door request switchPressed ON
Released OFF
REQ SW -AS Passenger side door request switch Pressed ON
Released OFF
(+)
(–)Vo l ta g e
(Approx.)
Front door request switch
Connector Terminal
Driver side D11 1 Ground 12 V
Passenger side D31
Front door request switch BCM Continuity
Connector Terminal Connector Terminal
Driver side D11 1M7175
Existed
Passenger side D31 76
Front door request switch GroundContinuity
Connector Terminal
Driver side D11 1 Not existed
Passenger side D31
Revision: 2010 May2011 QX56
Page 1674 of 5598

DLK-138
< DTC/CIRCUIT DIAGNOSIS >
DOOR REQUEST SWITCH
3.CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between malfunctioning front door request switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK DOOR REQUEST SWITCH
Refer to DLK-138, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace malfunctioning front door request switch.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000006225951
1.CHECK DOOR REQUEST SWITCH
1. Turn ignition switch OFF.
2. Disconnect malfunctioning front door request switch connector.
3. Check continuity between malfunctioning front door request switch terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace malfunctioning front door request switch.
Front door request switch
GroundContinuity
Connector Terminal
Driver side D11 2 Existed
Passenger side D31
Front door request switch Condition Continuity
Te r m i n a l
1 2 Door request switch Pressed Existed
Released Not existed
Revision: 2010 May2011 QX56
Page 1675 of 5598

BACK DOOR REQUEST SWITCHDLK-139
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
BACK DOOR REQUEST SWITCH
Component Function CheckINFOID:0000000006225952
1.CHECK FUNCTION
1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2. Select “REQ SW-BD/TR” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Back door request switch is OK.
NO >> Refer to DLK-139, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225953
1.CHECK BACK DOOR REQUEST SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect back door opener switch assembly connector.
3. Check voltage between back door opener switch assembly harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK BACK DOOR REQUEST SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and back door opener switch assembly harness con-
nector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between back door opener s witch assembly harness connector and ground.
Monitor item Condition Status
REQ SW-BD/TR Back door request switch Pressed On
Released Off
(+)
(–)Vol tag e
(Approx.)
Back door opener switch assembly
Connector Terminal D154 4 Ground 12 V
BCM Back door opener switch assembly Continuity
Connector Terminal Connector Terminal
M69 51 D154 4 Existed
BCM GroundContinuity
Connector Terminal
M69 51 Not existed
Revision: 2010 May2011 QX56
Page 1676 of 5598

DLK-140
< DTC/CIRCUIT DIAGNOSIS >
BACK DOOR REQUEST SWITCH
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK BACK DOOR REQUEST SWITCH
Refer to DLK-140, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace back door opener switch assembly.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000006225954
1.CHECK BACK DOOR REQUEST SWITCH
1. Turn ignition switch OFF.
2. Disconnect back door opener switch assembly connector.
3. Check continuity between back door opener switch assembly terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace back door opener switch assembly.
Back door opener switch assembly
GroundContinuity
Connector Terminal
D154 3 Existed
Back door opener switch assembly Condition Continuity
Te r m i n a l
3 4 Back door request switch Pressed Existed
Released Not existed
Revision: 2010 May2011 QX56
Page 1677 of 5598

BACK DOOR OPENER SWITCHDLK-141
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
BACK DOOR OPENER SWITCH
Component Function CheckINFOID:0000000006225955
1.CHECK FUNCTION
1. Select “TRUNK” of “BCM” using CONSULT-III.
2. Select “TR/BD OPEN SW” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Back door opener switch is OK.
NO >> Refer to DLK-141, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225956
1.CHECK BACK DOOR OPEN INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect back door opener switch assembly connector.
3. Check signal between back door opener switch assembly harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK BACK DOOR OPENER SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and back door opener switch assembly harness con-
nector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
NO >> Repair or replace harness.
Monitor item Condition Status
TR/BD OPEN SW Back door opener switch Pressed ON
Released OFF
(+)
(–)Signal
(Reference value)
Back door opener switch assembly
Connector Terminal
D154 1 Ground
JPMIA0012GB
BCM Back door opener switch assembly Continuity
Connector Terminal Connector Terminal
M68 30 D154 1 Existed
BCM GroundContinuity
Connector Terminal
M68 30 Not existed
Revision: 2010 May2011 QX56