Nissan Pathfinder. Manual — part 956
PWC-120
< DTC/CIRCUIT DIAGNOSIS >
[LH & RH FRONT AUTO UP/DOWN]
POWER WINDOW SERIAL LINK
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> GO TO 2.
2.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and main power window and door lock/unlock switch.
3. Check continuity between BCM connector M81 and main power window and door lock/unlock switch con-
nector D25.
4. Check continuity between BCM connector M81 and ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch. Refer to
. After that, refer to
.
NO
>> Repair or replace harness or connectors.
FRONT POWER WINDOW SWITCH
FRONT POWER WINDOW SWITCH : Description
INFOID:0000000009176246
Main power window and door lock/unlock switch, power window and door lock/unlock switch RH and BCM
transmit and receive the signal by power window serial link.
The signal mentioned below is transmitted from BCM to main power window and door lock/unlock switch and
power window and door lock/unlock switch RH
• Keyless power window down signal
The signal mentioned below is transmitted from main power window and door lock/unlock switch to power win-
dow and door lock/unlock switch RH
• Front door window RH operation signal
• Power window control by key cylinder switch signal
• Retained power operation signal
• Power window lock switch signal
FRONT POWER WINDOW SWITCH : Component Function Check
INFOID:0000000009176247
1.
CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH OUTPUT SIGNAL
Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT. Refer to
BCS-15, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
Terminal
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M81
54
Ground
PIIA1297E
BCM connector
Terminal
Main power window and door lock/unlock
switch connector
Terminal
Continuity
M81
54
D25
11
Yes
BCM connector
Terminal
Ground
Continuity
M81
54
No
POWER WINDOW SERIAL LINK
PWC-121
< DTC/CIRCUIT DIAGNOSIS >
[LH & RH FRONT AUTO UP/DOWN]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-121, "FRONT POWER WINDOW SWITCH : Diagnosis Procedure"
.
FRONT POWER WINDOW SWITCH : Diagnosis Procedure
INFOID:0000000009176248
Regarding Wiring Diagram information, refer to
PWC-80, "Wiring Diagram - With Left & Right Front Auto Up/
Power Window Serial Link Check
1.
CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH
1. Remove Intelligent Key, and close the front door LH and RH.
2. Check signal between BCM connector and ground with oscilloscope when door lock and unlock switch
(LH and RH) is turned to “LOCK” or “UNLOCK”.
3. Check that signals which are shown in the figure below can be detected during 10 second just after door
lock and unlock switch (LH and RH) is turned to “LOCK” or “UNLOCK”.
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> GO TO 2.
2.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check continuity between BCM connector M81 and power window and door lock/unlock switch RH con-
nector D129.
4. Check continuity between BCM connector M81 and ground.
Is the inspection result normal?
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
Terminal
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M81
54
Ground
PIIA1297E
BCM connector
Terminal
Power window and door lock/unlock switch RH connector
Terminal
Continuity
M81
54
D129
3
Yes
BCM connector
Terminal
Ground
Continuity
M81
54
No
PWC-122
< DTC/CIRCUIT DIAGNOSIS >
[LH & RH FRONT AUTO UP/DOWN]
POWER WINDOW SERIAL LINK
YES
>> Replace main power window and door lock/unlock switch. Refer to
. After that, refer to
.
NO
>> Repair or replace the harness or connectors.
POWER WINDOWS DO NOT OPERATE WITH POWER WINDOW MAIN SWITCH
PWC-123
< SYMPTOM DIAGNOSIS >
[LH & RH FRONT AUTO UP/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:0000000009176249
1.
CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
Check main power window and door lock/unlock switch.
PWC-98, "POWER WINDOW MAIN SWITCH : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH POWER SUPPLY AND
GROUND CIRCUIT
Check power window switch main power supply and ground circuit.
PWC-96, "POWER WINDOW MAIN SWITCH : Component Function Check"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the malfunctioning parts.
4.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH SERIAL CIRCUIT
Check main power window and door lock/unlock switch serial circuit.
PWC-119, "POWER WINDOW MAIN SWITCH : Component Function Check"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-49, "Intermittent Incident"
.
NO
>> Repair or replace the malfunctioning parts.
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