Nissan Pathfinder (2011 year). Instruction — part 171
DLK-234
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
DOOR LOCK AND UNLOCK SWITCH
Is the inspection result normal?
YES
>> Door lock and unlock switch circuit is OK.
NO
>> GO TO 2
2.
CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Using the vehicle operational keyfob, press and hold the UNLOCK button for more than 3 seconds.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace BCM. Refer to
BCS-55, "Removal and Installation"
3.
CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS
1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between main power window and door lock/
unlock switch connector D8 terminal 17 and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M18 terminal 22 and
main power window and door lock/unlock switch connector D7
terminal 14.
Connector
Terminal
Voltage (V)
( + )
( – )
M18
22
Ground
PIIA6379E
PIIA1297E
The front windows should be lowered.
17 - Ground
: Continuity should exist.
LIIA0392E
22 - 14
: Continuity should exist.
LIIA0394E
2011 Pathfinder
DOOR LOCK AND UNLOCK SWITCH
DLK-235
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
3. Check continuity between BCM connector M18 terminal 22 and
ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock
switch.
NO
>> Repair or replace harness.
PASSENGER SIDE
PASSENGER SIDE : Description
INFOID:0000000006245618
Transmits door lock/unlock operation to BCM.
PASSENGER SIDE : Component Function Check
INFOID:0000000006245619
1.
CHECK FUNCTION
With CONSULT-III
Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT-III.
Is the inspection result normal?
YES
>> Door lock and unlock switch is OK.
NO
>> Refer to
DLK-235, "PASSENGER SIDE : Diagnosis Procedure"
PASSENGER SIDE : Diagnosis Procedure
INFOID:0000000006245620
Regarding Wiring Diagram information, refer to
DLK-279, "Wiring Diagram - Without Intelligent Key System"
1.
CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL
With CONSULT-III
Check power window and door lock/unlock switch RH ("CDL LOCK SW", "CDL UNLOCK SW") in DATA MON-
ITOR mode in CONSULT–III.
• When power window and door lock/unlock switch RH is turned to LOCK:
• When power window and door lock/unlock switch RH is turned to UNLOCK:
Without CONSULT-III
1. Remove key from ignition key cylinder.
2. Using an oscilloscope, check the signal between BCM connector M18 terminal 22 and ground when
power window and door lock/unlock switch RH is turned to LOCK or UNLOCK.
3. Make sure the signals which are shown in the figure below can be detected during 10 seconds just after
the power window and door lock/unlock switch RH is turned to LOCK or UNLOCK.
22 - Ground
: Continuity should not exist.
LIIA2359E
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
CDL LOCK SW
:ON
CDL UNLOCK SW
:ON
2011 Pathfinder
DLK-236
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
DOOR LOCK AND UNLOCK SWITCH
Is the inspection normal?
YES
>> Power window and door lock/unlock switch RH circuit is OK.
NO
>> GO TO 2
2.
CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Using the vehicle operational keyfob, press and hold the UNLOCK button for more than 3 seconds.
Is the inspection normal?
YES
>> GO TO 3
NO
>> Replace BCM. Refer to
BCS-55, "Removal and Installation"
3.
CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS
1. Turn ignition switch OFF.
2. Disconnect power window and door lock/unlock switch RH.
3. Check continuity between power window and door lock/unlock
switch RH connector D105 terminal 11 and ground
Is the inspection normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M18 terminal 22 and
power window and door lock/unlock switch RH connector D105
terminal 16.
Connector
Terminal
Voltage (V)
( + )
( – )
M18
22
Ground
PIIA6379E
PIIA1297E
The front windows should be lowered.
11 - Ground
: Continuity should exist.
LIIA1140E
22 - 16
: Continuity should exist.
LIIA0395E
2011 Pathfinder
DOOR LOCK AND UNLOCK SWITCH
DLK-237
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
3. Check continuity between BCM connector M18 terminal 22 and
ground.
Is the inspection normal?
YES
>> Replace power window and door lock/unlock switch RH.
NO
>> Repair or replace harness.
22 - Ground
: Continuity should not exist.
LIIA2359E
2011 Pathfinder
DLK-238
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
BACK DOOR OPENER SWITCH
BACK DOOR OPENER SWITCH
Diagnosis Procedure
INFOID:0000000006245621
Regarding Wiring Diagram information, refer to
DLK-279, "Wiring Diagram - Without Intelligent Key System"
1.
CHECK BACK DOOR OPENER SWITCH
With CONSULT-III
Check back door opener switch (“TRNK OPNR SW”) in “DATA MONITOR” mode.
Without CONSULT-III
1. Turn ignition switch OFF.
2. Check voltage between BCM connector M18 terminal 30 and
ground.
Is the inspection result normal?
YES
>> Back door opener switch is OK.
NO
>> GO TO 2
2.
CHECK BACK DOOR OPENER SWITCH OPERATION
1. Turn ignition switch OFF.
2. Disconnect back door opener switch connector.
3. Check continuity between back door opener switch terminals 1
and 2.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace back door opener switch.
3.
CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT
NOTE:
The passenger door must be unlocked during this step.
Check continuity between back door opener switch harness connector D510 terminal 2 and ground.
Monitor item
Condition
TRNK OPNR SW
Back door opener switch is pressed: ON
Back door opener switch is released: OFF
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
M18
30
Ground
Back door opener switch
is pressed
0
Back door opener switch
is released
5
ALKIA1713ZZ
Component
Terminals
Condition
Continuity
Back door
opener
switch
1
2
Back door opener switch is pressed
Yes
Back door opener switch is released
No
WIIA1186E
2011 Pathfinder
BACK DOOR OPENER SWITCH
DLK-239
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Is the inspection result normal?
YES
>> GO TO 4
NO
>> GO TO 5
4.
CHECK BACK DOOR OPENER SWITCH CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM harness connector (A) M18 ter-
minal 30 and back door opener switch harness connector (B)
D510 terminal 1.
3. Check continuity between BCM harness connector (A) M18 ter-
minal 30 and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-55, "Removal and Installa-
.
NO
>> Repair or replace harness between BCM and back door opener switch.
5.
CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT
1. Disconnect front door lock assembly RH (door unlock sensor).
2. Check continuity between back door opener switch harness
connector (A) D510 terminal 2 and front door lock assembly RH
(door unlock sensor) connector (B) D103 terminal 3.
3. Check continuity between back door opener switch harness
connector (A) D510 terminal 2 and ground.
Is the inspection result normal?
YES
>> GO TO 6
NO
>> Repair or replace harness.
6.
CHECK DOOR UNLOCK SENSOR CIRCUIT
1. Check continuity between front door lock assembly RH (door
unlock sensor) connector D103 terminal 5 and ground.
Is the inspection result normal?
YES
>> Replace front door lock assembly RH (door unlock sen-
sor).
NO
>> Repair or replace harness for open.
2 - Ground
: Continuity should exist.
WIIA1187E
30 - 1
: Continuity should exist.
30 - Ground
: Continuity should not exist.
ALKIA1714ZZ
2 - 3
: Continuity should exist.
2 - Ground
: Continuity should not exist.
ALKIA1715ZZ
5 - Ground
: Continuity should exist.
ALKIA1734ZZ
2011 Pathfinder
DLK-240
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
KEY CYLINDER SWITCH
KEY CYLINDER SWITCH
Description
INFOID:0000000006245622
The main power window and door lock/unlock switch detects condition of the door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
INFOID:0000000006245623
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check "KEY CYL LK-SW" AND "KEY CYL UN-SW" in DATA MONITOR mode for “POWER DOOR LOCK
SYSTEM” with CONSULT-III.
Is the inspection result normal?
YES
>> Key cylinder switch is OK.
NO
>> Refer to
DLK-240, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000006245624
Regarding Wiring Diagram information, refer to
DLK-279, "Wiring Diagram - Without Intelligent Key System"
1.
CHECK DOOR KEY CYLINDER SWITCH LH
With CONSULT-III
Check front door lock assembly LH (key cylinder switch) ("KEY CYL LK-SW") and ("KEY CYL UN-SW) in
DATA MONITOR mode with CONSULT–III.
• When key inserted in left front key cylinder is turned to LOCK:
• When key inserted in left front key cylinder is turned to UNLOCK:
Without CONSULT-III
Check voltage between main power window and door lock/unlock
switch connector D7 terminals 4, 6 and ground.
Is the inspection result normal?
YES
>> Key cylinder switch signal is OK.
Monitor item
Condition
KEY CYL LK-SW
Lock
: ON
Neutral / Unlock
: OFF
KEY CYL UN-SW
Unlock
: ON
Neutral / Lock
: OFF
KEY CYL LK-SW
: ON
KEY CYL UN-SW
: ON
Connector
Terminals
Condition of left front key cylinder
Voltage (V)
(Approx.)
(+)
(–)
D7
4
Ground
Neutral/Unlock
5
Lock
0
6
Neutral/Lock
5
Unlock
0
LIIA0566E
2011 Pathfinder
KEY CYLINDER SWITCH
DLK-241
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
NO
>> GO TO 2
2.
CHECK DOOR KEY CYLINDER SWITCH LH GROUND HARNESS
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly LH (key cylinder switch).
3. Check continuity between front door lock assembly LH (key cyl-
inder switch) connector (A) D14 terminal 4 and body ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK DOOR KEY CYLINDER SWITCH LH
Check continuity between front door lock assembly LH (key cylinder
switch) terminals.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Replace front door lock assembly LH (key cylinder switch). Refer to
4.
CHECK DOOR KEY CYLINDER HARNESS
Check continuity between main power window and door lock/unlock
switch connector (A) D7 terminals 4, 6 and front door lock assembly
LH (key cylinder switch) connector (B) D14 terminals 3, 5 and body
ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch.
NO
>> Repair or replace harness.
Connector
Terminals
Continuity
D14
4 – Ground
Yes
ALKIA1186ZZ
Terminals
Condition
Continuity
3 – 4
Key is turned to LOCK or neutral.
No
Key is turned to UNLOCK.
Yes
4 – 5
Key is turned to UNLOCK or neutral.
No
Key is turned to LOCK.
Yes
ALKIA1183ZZ
Connector
Terminals
Connector
Terminals
Continuity
A: Main
power win-
dow and
door lock/
unlock
switch
4
B: Front
door lock
assembly
LH (key
cylinder
switch)
5
Yes
6
3
Yes
4, 6
Ground
No
ALKIA1184ZZ
2011 Pathfinder
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