Nissan Pathfinder. Manual — part 938
PWC-48
< DTC/CIRCUIT DIAGNOSIS >
[LH FRONT ONLY AUTO DOWN]
DOOR SWITCH
DOOR SWITCH
Component Function Check
INFOID:0000000009781488
1.
CHECK FUNCTION
1. Select DOOR LOCK of BCM using CONSULT.
2. Select DOOR SW-DR, DOOR SW-AS, DOOR SW-RL, DOOR SW-RR, in DATA MONITOR mode.
3. Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> Door switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009781489
Regarding Wiring Diagram information, refer to
.
1.
CHECK DOOR SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect malfunctioning door switch connector.
3. Check signal between malfunctioning door switch harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK DOOR SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between door switch harness connector and BCM harness connector.
Monitor item
Condition
Status
DOOR SW-DR
Driver side door
Open
On
Closed
Off
DOOR SW-AS
Passenger side door
Open
On
Closed
Off
DOOR SW-RL
Rear door LH
Open
On
Closed
Off
DOOR SW-RR
Rear door RH
Open
On
Closed
Off
(+)
(–)
Signal
(Reference value)
Door switch
Connector
Terminal
Driver side
B8
3
Ground
7.0 - 8.0 V
Passenger side
B108
Rear LH
B18
Rear RH
B116
PKIB4960J
DOOR SWITCH
PWC-49
< DTC/CIRCUIT DIAGNOSIS >
[LH FRONT ONLY AUTO DOWN]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
3. Check continuity between door switch 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 DOOR SWITCH
PWC-49, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace malfunctioning door switch. Refer to
DLK-313, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-49, "Intermittent Incident"
.
>> Inspection End.
Component Inspection
INFOID:0000000009781490
1.
CHECK DOOR SWITCH
1. Turn ignition switch OFF.
2. Disconnect malfunctioning door switch connector.
3. Check continuity between door switch terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace malfunction door switch. Refer to
DLK-313, "Removal and Installation"
Door switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
Driver side
B8
3
M20
96
Yes
Passenger side
B108
94
Rear LH
B18
82
Rear RH
B116
93
Door switch
Ground
Continuity
Connector
Terminal
Driver side
B8
3
No
Passenger side
B108
Rear LH
B18
Rear RH
B116
Door switch
Condition
Continuity
Terminal
3
Ground contact is part of the
switch.
Door switch
Pressed
No
Released
Yes
PWC-50
< DTC/CIRCUIT DIAGNOSIS >
[LH FRONT ONLY AUTO DOWN]
POWER WINDOW LOCK SWITCH
POWER WINDOW LOCK SWITCH
Description
INFOID:0000000009176149
Ground circuit of main power window and door lock/unlock switch shuts off if power window lock switch of
main power window and door lock/unlock switch is operated. This inhibits all operation, except for the main
switch.
Component Function Check
INFOID:0000000009176150
1.
CHECK POWER WINDOW LOCK SIGNAL
Exchange for a normal main power window and door lock/unlock switch, and check operation.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch. Refer to
.
NO
>> Check condition of harness and connector.
POWER WINDOWS DO NOT OPERATE WITH POWER WINDOW MAIN SWITCH
PWC-51
< SYMPTOM DIAGNOSIS >
[LH FRONT ONLY AUTO DOWN]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
SYMPTOM DIAGNOSIS
POWER WINDOWS DO NOT OPERATE WITH POWER WINDOW MAIN
SWITCH
Diagnosis Procedure
INFOID:0000000009176151
1.
CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit.
BCS-80, "Removal and Installation"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY AND GROUND CIRCUIT
Check power window switch power supply and ground circuit.
PWC-29, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-49, "Intermittent Incident"
.
NO
>> GO TO 1.
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