Nissan Pathfinder. Manual — part 352
DLK-174
< DTC/CIRCUIT DIAGNOSIS >
BACK DOOR SWITCH
2.
CHECK BACK DOOR SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between back door lock assembly harness connector and BCM harness connector.
3. Check continuity between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK BACK DOOR SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK BACK DOOR SWITCH
DLK-175, "Component Inspection (Without Power Back Door)"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace back door lock assembly. Refer to
DLK-308, "DOOR LOCK : Removal and Installation"
5.
CHECK INTERMITTENT INCIDENT
GI-49, "Intermittent Incident"
>> Inspection End.
Component Inspection (With Power Back Door)
INFOID:0000000009175715
1.
CHECK BACK DOOR SWITCH
1. Turn ignition switch OFF.
2. Disconnect back door lock assembly connector.
3. Check continuity between back door lock assembly terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace back door lock assembly. Refer to
DLK-308, "DOOR LOCK : Removal and Installation"
Back door lock assembly
BCM
Continuity
Connector
Terminal
Connector
Terminal
D565
3
M20
97
Yes
Back door lock assembly
Ground
Continuity
Connector
Terminal
D565
3
No
Back door lock assembly
Ground
Continuity
Connector
Terminal
D565
4
Yes
Back door lock assembly
Condition
Continuity
Terminal
7
8
Door switch
Pressed
No
Released
Yes
BACK DOOR SWITCH
DLK-175
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Component Inspection (Without Power Back Door)
INFOID:0000000009175716
1.
CHECK BACK DOOR SWITCH
1. Turn ignition switch OFF.
2. Disconnect back door lock assembly connector.
3. Check continuity between back door lock assembly terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace back door lock assembly. Refer to
DLK-308, "DOOR LOCK : Removal and Installation"
Back door lock assembly
Condition
Continuity
Terminal
3
4
Door switch
Pressed
No
Released
Yes
DLK-176
< DTC/CIRCUIT DIAGNOSIS >
DOOR LOCK AND UNLOCK SWITCH
DOOR LOCK AND UNLOCK SWITCH
DRIVER SIDE
DRIVER SIDE : Description
INFOID:0000000009175717
Transmits door lock/unlock operation to BCM.
DRIVER SIDE : Component Function Check
INFOID:0000000009175718
1.
CHECK FUNCTION
With CONSULT
Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT.
Is the inspection result normal?
YES
>> Door lock and unlock switch is OK.
NO
>> With LH and RH anti-pinch, refer to
DLK-176, "DRIVER SIDE : Diagnosis Procedure (With LH and
NO
>> With LH anti-pinch only, refer to
DLK-177, "DRIVER SIDE : Diagnosis Procedure (With LH Auto
DRIVER SIDE : Diagnosis Procedure (With LH and RH Auto Down)
INFOID:0000000009175719
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
1. Read voltage signal between BCM connector and ground with oscilloscope when door lock and unlock
switch (driver side) is turned “LOCK” or “UNLOCK”.
2. Check that signals which are shown in the figure below can be detected during 10 second just after door
lock and unlock switch (driver side) is turned “LOCK” or “UNLOCK”.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> GO TO 2
2.
CHECK POWER WINDOW SWITCH GROUND
1. Turn ignition switch OFF.
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
Terminal
Condition
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M19
54
Ground
Door is closed
PIIA1297E
DOOR LOCK AND UNLOCK SWITCH
DLK-177
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
2. Disconnect main power window and door lock/unlock switch connector.
3. Check continuity between main power window and door lock/unlock switch connector and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector and main power window and door lock/unlock switch connec-
tor.
3. Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
GI-49, "Intermittent Incident"
.
>> Inspection End.
DRIVER SIDE : Diagnosis Procedure (With LH Auto Down Only)
INFOID:0000000009175720
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage at the main power window and door lock/unlock switch connector when the switch (driver
side) is turned to “LOCK” or “UNLOCK”.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> GO TO 2
2.
CHECK POWER WINDOW SWITCH GROUND
Main power window and door
lock/unlock switch connector
Terminal
Continuity
D25
1
Ground
Yes
BCM connector
Terminal
Main power window
and door lock/unlock
switch connector
Terminal
Continuity
M19
54
D25
11
Yes
BCM connector
Terminals
Continuity
M19
54
Ground
No
Connector
Main power window and
door lock/unlock switch
state
Terminal
Voltage
D23
Neutral
→ Unlock
15
Ground Battery voltage
→ 0
Neutral
→ Lock
3
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