2011 INFINITI QX56 turn signal

DLK-128
< DTC/CIRCUIT DIAGNOSIS >
FUEL LID LOCK ACTUATOR
FUEL LID LOCK ACTUATOR
Component Function CheckINFOID:0000000006225939
1.CHECK FUNCTION
1. Select “DOOR LOCK” of “BCM” using CONSULT-III.
2. Select “DOOR LOCK” in “ACTIVE TEST” mode.
3. Touch “ALL LOCK” or “ALL UNLK” to check that it works normally.
Is the inspection result normal?
YES >> Fuel lid lock actuator is OK.
NO >> Refer to DLK-128, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225940
1.CHECK FUEL LID LOCK ACTUATOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect fuel lid lock actuator connector.
3. Check voltage between fuel lid lock actuator harness connector and ground.
Is the inspection result normal?
YES >> Replace fuel lid lock actuator.
NO >> GO TO 2.
2.CHECK FUEL LID LOCK ACTUATOR CIRCUIT
1. Disconnect BCM, all door lock actuators connector.
2. Check continuity between BCM harness connector and fuel lid lock actuator harness connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM harness connector and ground.
(+)
(–) Condition Voltag e
(Approx.)
Fuel lid lock actuator
Connector Terminal
B19 1
Ground Door lock and unlock
switch Unlock
12 V
2Lock
BCM Fuel lid lock actuator Continuity
Connector Terminal Connector Terminal
M70 65
B19 2
Existed
66 1
BCM GroundContinuity
Connector Terminal
M70 65
Not existed
66
Revision: 2010 May2011 QX56

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

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

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

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

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

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

DLK-150
< DTC/CIRCUIT DIAGNOSIS >
AUTOMATIC BACK DOOR CLOSE SWITCH
AUTOMATIC BACK DOOR CLOSE SWITCH
Component Function CheckINFOID:0000000006225971
1.CHECK FUNCTION
1. Select “AUTOMATIC BACK DOOR CONTROL UNIT” using CONSULT-III.
2. Select “BK DOOR CL SW” 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 close switch is OK.
NO >> Refer to DLK-150, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225972
1.CHECK AUTOMATIC BACK DOOR CLOSE SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect automatic back door close switch connector.
3. Check voltage between automatic back door close switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK AUTOMATIC BACK DOOR CLOSE SWITCH CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door control module harness connector and automatic back
door close switch harness 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.
3.CHECK AUTOMATIC BACK DOOR CLOSE SWITCH GROUND CIRCUIT
Check continuity between automatic back door close switch harness connector and ground.
Monitor item Condition Status
BK DOOR CL SW Automatic back door close switch Pressed ON
Released OFF
(+)
(–)Vol tag e
(Approx.)
Automatic back door close switch
Connector Terminal D158 1 Ground Battery voltage
Automatic back door control module Automatic back door close switch Continuity
Connector Terminal Connector Terminal
B26 4 D158 1 Existed
Automatic back door control module GroundContinuity
Connector Terminal
B26 4 Not existed
Revision: 2010 May2011 QX56