Infiniti QX56 (Z62). Manual — part 414
DLK-122
< DTC/CIRCUIT DIAGNOSIS >
DOOR LOCK AND UNLOCK SWITCH
DOOR LOCK AND UNLOCK SWITCH
DRIVER SIDE
DRIVER SIDE : Component Function Check
INFOID:0000000006225927
1.
CHECK FUNCTION
1.
Select “DOOR LOCK” of “BCM” using CONSULT-III.
2.
Select “CDL LOCK SW”, “CDL UNLOCK SW” in “DATA MONITOR” mode.
3.
Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> Door lock and unlock switch is OK.
NO
>> Refer to
DLK-122, "DRIVER SIDE : Diagnosis Procedure"
.
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000006225928
1.
CHECK POWER WINDOW SWITCH
1.
Turn ignition switch ON.
2.
Check power window operation.
Does power window operate?
YES
>> Replace power window main switch.
NO
>> Refer to
.
PASSENGER SIDE
PASSENGER SIDE : Component Function Check
INFOID:0000000006225929
1.
CHECK FUNCTION
1.
Select “DOOR LOCK” of “BCM” using CONSULT-III.
2.
Select “CDL LOCK SW”, “CDL UNLOCK SW” in “DATA MONITOR” mode.
3.
Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> Door lock and unlock switch is OK.
NO
>> Refer to
DLK-122, "PASSENGER SIDE : Diagnosis Procedure"
PASSENGER SIDE : Diagnosis Procedure
INFOID:0000000006225930
1.
CHECK POWER WINDOW SWITCH
1.
Turn ignition switch ON.
2.
Check power window operation.
Does power window operate?
YES
>> Replace front power window switch (passenger side).
NO
>> Refer to
.
Monitor item
Condition
Status
CDL LOCK SW
Door lock and unlock switch
Lock
ON
Unlock
OFF
CDL UNLOCK SW
Lock
OFF
Unlock
ON
Monitor item
Condition
Status
CDL LOCK SW
Door lock and unlock switch
Lock
ON
Unlock
OFF
CDL UNLOCK SW
Lock
OFF
Unlock
ON
DOOR LOCK ACTUATOR
DLK-123
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
DOOR LOCK ACTUATOR
DRIVER SIDE
DRIVER SIDE : Component Function Check
INFOID:0000000006225931
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
>> Door lock actuator is OK.
NO
>> Refer to
DLK-123, "DRIVER SIDE : Diagnosis Procedure"
.
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000006225932
1.
CHECK DOOR LOCK ACTUATOR 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
>> Replace front door lock assembly (driver side).
NO
>> GO TO 2.
2.
CHECK DOOR LOCK ACTUATOR CIRCUIT
1.
Disconnect BCM, all door lock actuators and fuel lid lock actuator 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
>> 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
Voltage
(Approx.)
Front door lock assembly
(driver side)
Connector
Terminal
D9
1
Ground
Door lock and unlock switch
Lock
12 V
2
Unlock
BCM
Front door lock assembly (driver side)
Continuity
Connector
Terminal
Connector
Terminal
M70
65
D9
1
Existed
66
2
BCM
Ground
Continuity
Connector
Terminal
M70
65
Not existed
66
DLK-124
< DTC/CIRCUIT DIAGNOSIS >
DOOR LOCK ACTUATOR
Is the inspection result normal?
YES
>> Check for internal short of each door lock actuator and fuel lid lock actuator.
NO
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
PASSENGER SIDE
PASSENGER SIDE : Component Function Check
INFOID:0000000006225933
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
>> Door lock actuator is OK.
NO
>> Refer to
DLK-124, "PASSENGER SIDE : Diagnosis Procedure"
PASSENGER SIDE : Diagnosis Procedure
INFOID:0000000006225934
1.
CHECK DOOR LOCK ACTUATOR INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect front door lock assembly (passenger side) connector.
3.
Check voltage between front door lock assembly (passenger side) harness connector and ground.
Is the inspection result normal?
YES
>> Replace front door lock assembly (passenger side).
NO
>> GO TO 2.
2.
CHECK DOOR LOCK ACTUATOR CIRCUIT
1.
Disconnect BCM, all door lock actuators and fuel lid lock actuator connector.
2.
Check continuity between BCM harness connector and front door lock assembly (passenger side) har-
ness connector.
3.
Check continuity between BCM harness connector and ground.
(+)
(–)
Condition
Voltage
(Approx.)
BCM
Connector
Terminal
M70
65
Ground
Door lock and unlock switch
Lock
12 V
66
Unlock
(+)
(–)
Condition
Voltage
(Approx.)
Front door lock assembly
(passenger side)
Connector
Terminal
D28
1
Ground
Door lock and unlock switch
Unlock
12 V
2
Lock
BCM
Front door lock assembly (passenger side)
Continuity
Connector
Terminal
Connector
Terminal
M70
59
D28
1
Existed
65
2
DOOR LOCK ACTUATOR
DLK-125
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
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.
Is the inspection result normal?
YES
>> Check for internal short of each door lock actuator and fuel lid lock actuator.
NO
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
REAR LH
REAR LH : Component Function Check
INFOID:0000000006225935
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
>> Door lock actuator is OK.
NO
>> Refer to
DLK-125, "REAR LH : Diagnosis Procedure"
.
REAR LH : Diagnosis Procedure
INFOID:0000000006225936
1.
CHECK DOOR LOCK ACTUATOR INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect rear door lock assembly LH connector.
3.
Check voltage between rear door lock assembly LH harness connector and ground.
Is the inspection result normal?
YES
>> Replace rear door lock assembly LH.
NO
>> GO TO 2.
2.
CHECK DOOR LOCK ACTUATOR CIRCUIT
1.
Disconnect BCM, all door lock actuators and fuel lid lock actuator connector.
2.
Check continuity between BCM harness connector and rear door lock assembly LH harness connector.
BCM
Ground
Continuity
Connector
Terminal
M70
59
Not existed
65
(+)
(–)
Condition
Voltage
(Approx.)
BCM
Connector
Terminal
M70
59
Ground
Door lock and unlock switch
Unlock
12 V
65
Lock
(+)
(–)
Condition
Voltage
(Approx.)
Rear door lock assembly LH
Connector
Terminal
D65
1
Ground
Door lock and unlock switch
Lock
12 V
2
Unlock
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