2011 INFINITI QX56 Factory Service Manual

Page 1657 of 5598

INFINITI QX56 2011  Factory Service Manual 
BACK DOOR SWITCHDLK-121
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
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M A
B
DLK
N
O P
3.CHECK BACK DOOR SWITCH GROUND CIRCUIT
Check continuity between back door lo ck assembly harness connector and grou

Page 1658 of 5598

INFINITI QX56 2011  Factory Service Manual 
DLK-122
< DTC/CIRCUIT DIAGNOSIS >
DOOR LOCK AND UNLOCK SWITCH
DOOR LOCK AND UNLOCK SWITCH
DRIVER SIDE
DRIVER SIDE : Component Function CheckINFOID:0000000006225927
1.CHECK FUNCTION
1. Select “DOOR

Page 1659 of 5598

INFINITI QX56 2011  Factory Service Manual 
DOOR LOCK ACTUATORDLK-123
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
DOOR LOCK ACTUATOR
DRIVER SIDE
DRIVER SIDE : Comp onent Function CheckINFOID:0000000006225931
1.CHECK FUNCTION
1.

Page 1660 of 5598

INFINITI QX56 2011  Factory Service Manual 
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 t

Page 1661 of 5598

INFINITI QX56 2011  Factory Service Manual 
DOOR LOCK ACTUATORDLK-125
< DTC/CIRCUIT DIAGNOSIS >
C
DE
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. Con

Page 1662 of 5598

INFINITI QX56 2011  Factory Service Manual 
DLK-126
< DTC/CIRCUIT DIAGNOSIS >
DOOR LOCK ACTUATOR
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.

Page 1663 of 5598

INFINITI QX56 2011  Factory Service Manual 
DOOR LOCK ACTUATORDLK-127
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
YES >> Replace rear door lock assembly RH.
NO >> GO TO 2.
2.CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect BCM, al

Page 1664 of 5598

INFINITI QX56 2011  Factory Service Manual 
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-I