Infiniti M35/M45 Y50. Manual — part 242
![](/vehicles/zatt/cen/houeebante/ver.png)
POWER DOOR LOCK SYSTEM
BL-37
C
D
E
F
G
H
J
K
L
M
A
B
BL
Check Door Lock Actuator/Driver Side
NIS001X1
1.
CHECK OUTPUT SIGNAL
Check voltage between BCM connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Replace BCM.
2.
CHECK DOOR LOCK ACTUATOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM and front door lock actuator driver side connector.
3.
Check continuity between BCM connector and front door lock
actuator driver side connector.
4.
Check continuity between BCM connector and ground.
OK or NG
OK
>> Replace front door lock actuator (driver side).
NG
>> Repair or replace harness.
Terminals
Condition of
door lock and
unlock switch
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M2
50
Ground
Lock
0
→
Battery voltage
→
0
44
Unlock
0
→
Battery voltage
→
0
PIIB6060E
A
B
Continuity
BCM connector
Terminal
Door lock actu-
ator connector
Terminal
M2
50
D14
2
Yes
44
1
A
Continuity
BCM connector
Terminal
M2
50
Ground
No
44
PIIB6061E
![](/vehicles/zatt/cen/houeebante/hemab.png)
BL-38
POWER DOOR LOCK SYSTEM
Check Door Lock Actuator/Passenger Side
NIS001X2
1.
CHECK DOOR LOCK ACTUATOR SIGNAL
Check voltage between BCM connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Replace BCM.
2.
CHECK DOOR LOCK ACTUATOR CIRCUIT
1.
Disconnect BCM and front door lock actuator passenger side connectors.
2.
Check continuity between BCM connector and front door lock
actuator passenger side.
3.
Check continuity between BCM connector and ground.
OK or NG
OK
>> Replace front door lock actuator (passenger side).
NG
>> Repair or replace harness.
Terminals
Condition of
door lock and
unlock switch
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M2
50
Ground
Lock
0
→
Battery voltage
→
0
M3
70
Unlock
0
→
Battery voltage
→
0
PIIB6062E
A
B
Continuity
BCM connector
Terminal
Door lock actu-
ator connector
Terminal
M2
50
D44
2
Yes
M3
70
1
A
Continuity
BCM connector
Terminal
M2
50
Ground
No
M3
70
PIIB6063E
![](/vehicles/zatt/cen/houeebante/lak.png)
POWER DOOR LOCK SYSTEM
BL-39
C
D
E
F
G
H
J
K
L
M
A
B
BL
Check Door Lock Actuator/Rear LH
NIS001X3
1.
CHECK DOOR LOCK ACTUATOR SIGNAL
Check voltage between BCM connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Replace BCM.
2.
CHECK DOOR LOCK ACTUATOR CIRCUIT
1.
Disconnect BCM and rear door lock actuator LH connectors.
2.
Check continuity between BCM connector and rear door lock
actuator LH connectors.
3.
Check continuity between BCM connector and ground.
OK or NG
OK
>> Replace door lock actuator/rear LH.
NG
>> Repair or replace harness.
Check Door Lock Actuator/Rear RH
NIS001X4
1.
CHECK DOOR LOCK ACTUATOR SIGNAL
Check voltage between BCM connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Replace BCM.
Terminals
Condition of
door lock and
unlock switch
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M2
50
Ground
Lock
0
→
Battery voltage
→
0
51
Unlock
0
→
Battery voltage
→
0
PIIB6064E
A
B
Continuity
BCM connector
Terminal
Door lock actu-
ator connector
Terminal
M2
50
D59
2
Yes
51
1
A
Continuity
BCM connector
Terminal
M2
50
Ground
No
51
PIIB6383E
Terminals
Condition of
door lock and
unlock switch
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M2
50
Ground
Lock
0
→
Battery voltage
→
0
51
Unlock
0
→
Battery voltage
→
0
PIIB6064E
![](/vehicles/zatt/cen/houeebante/dis.png)
BL-40
POWER DOOR LOCK SYSTEM
2.
CHECK DOOR LOCK ACTUATOR CIRCUIT
1.
Disconnect BCM and rear door lock actuator RH connectors.
2.
Check continuity between BCM connector and rear door lock
actuator RH connectors.
3.
Check continuity between BCM connector and ground.
OK or NG
OK
>> Replace door lock actuator/rear RH.
NG
>> Repair or replace harness.
Check Fuel Lid Opener Actuator
NIS001X5
1.
CHECK FUEL LID OPENER ACTUATOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM and fuel lid lock actuator connector.
3.
Check continuity between BCM connector and fuel lid lock actu-
ator connector.
4.
Check continuity between BCM connector and ground.
OK or NG
OK
>> Replace fuel lid lock actuator.
NG
>> Repair or replace harness.
A
B
Continuity
BCM connector
Terminal
Door lock actu-
ator connector
Terminal
M2
50
D79
2
Yes
51
1
A
Continuity
BCM connector
Terminal
M2
50
Ground
No
51
PIIB6383E
A
B
Continuity
BCM connector
Terminal
Fuel lid lock
actuator con-
nector
Terminal
M2
44
B477
1
Yes
M3
69
2
A
Continuity
BCM connector
Terminal
M2
44
Ground
No
M3
69
PIIB8867E
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