Nissan Pathfinder (2008 year). Manual — part 523
POWER WINDOW SERIAL LINK
PWC-37
< COMPONENT DIAGNOSIS >
C
D
E
F
G
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A
B
PWC
N
O
P
POWER WINDOW SERIAL LINK
POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description
INFOID:0000000001702382
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
• Power window lock switch signal
• Retained power operation signal
POWER WINDOW MAIN SWITCH : Component Function Check
INFOID:0000000001702383
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL
Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-III. Refer to
BCS-16, "COMMON ITEM : CONSULT-III Function (BCM - COMMON
.
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-37, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"
POWER WINDOW MAIN SWITCH : Diagnosis Procedure
INFOID:0000000001702384
Power Window Serial Link Check
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL
1.
Remove Intelligent Key or ignition key, and close front door LH
and RH.
2.
Check signal between BCM connector and ground with oscillo-
scope 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”.
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
LIIA0391E
PWC-38
< COMPONENT DIAGNOSIS >
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 (A) and main power
window and door lock/unlock switch connector (B).
4.
Check continuity between BCM connector (A) and ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch. Refer to
.
NO
>> Repair or replace harness.
FRONT POWER WINDOW SWITCH
FRONT POWER WINDOW SWITCH : Description
INFOID:0000000001702385
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:0000000001702386
1.
CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH OUTPUT SIGNAL
Terminal
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M18
22
Ground
PIIA2344E
BCM connector
Terminal
Main power window and door
lock/unlock switch connector
Terminal
Continuity
M18 (A)
22
D7 (B)
14
Yes
ALKIA1026ZZ
BCM connector
Terminal
Ground
Continuity
M18 (A)
22
No
POWER WINDOW SERIAL LINK
PWC-39
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-III. Refer to
BCS-17, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
.
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-39, "FRONT POWER WINDOW SWITCH : Diagnosis Procedure"
FRONT POWER WINDOW SWITCH : Diagnosis Procedure
INFOID:0000000001702387
Power Window Serial Link Check
1.
CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH
1.
Remove Intelligent Key or ignition key, and close the front door
LH and RH.
2.
Check signal between BCM connector and ground with oscillo-
scope 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 (A) and power win-
dow and door lock/unlock switch RH connector (B).
4.
Check continuity between BCM connector (A) and ground.
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
Terminal
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M18
2
Ground
LIIA0391E
PIIA2344E
BCM connector
Terminal
Power window and door
lock/unlock switch RH con-
nector
Terminal
Continuity
M18 (A)
22
D105 (B)
16
Yes
ALKIA1027ZZ
PWC-40
< COMPONENT DIAGNOSIS >
POWER WINDOW SERIAL LINK
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch. Refer to
.
NO
>> Repair or replace harness.
BCM connector
Terminal
Ground
Continuity
M18 (A)
22
No
POWER WINDOW LOCK SWITCH
PWC-41
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
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L
M
A
B
PWC
N
O
P
POWER WINDOW LOCK SWITCH
Description
INFOID:0000000001702388
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:0000000001702389
1.
CHECK POWER WINDOW LOCK SIGNAL
Exchanges for a normal main power window and door lock/unlock switch, and operation is checked.
Does power window lock operate?
YES
>> Replace main power window and door lock/unlock switch. Refer to
.
NO
>> Check condition of harness and connector.
PWC-42
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
ECU DIAGNOSIS
BCM (BODY CONTROL MODULE)
Reference Value
INFOID:0000000001702400
VALUES ON THE DIAGNOSIS TOOL
CONSULT-III MONITOR ITEM
TERMINAL LAYOUT
.
PHYSICAL VALUES
Monitor Item
Condition
Value/Status
DOOR SW-DR
Front door LH closed
OFF
Front door LH opened
ON
DOOR SW-AS
Front door RH closed
OFF
Front door RH opened
ON
KEY CYL LK-SW
Other than front door key cylinder LH LOCK position
OFF
Front door key cylinder LH LOCK position
ON
KEY CYL UN-SW
Other than front door key cylinder LH UNLOCK position
OFF
Front door key cylinder LH UNLOCK position
ON
KEY CYL SW-TR
NOTE:
The item is indicated, but not monitored.
OFF
POWER WINDOW MAIN SWITCH
PWC-43
< ECU DIAGNOSIS >
C
D
E
F
G
H
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L
M
A
B
PWC
N
O
P
POWER WINDOW MAIN SWITCH
Reference Value
INFOID:0000000001702401
TERMINAL LAYOUT
PHYSICAL VALUES
MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
LIIA2455E
Terminal No.
(Wire color)
Description
Condition
Voltage [V]
(Approx.)
+
–
Signal name
Input/
Output
1
(R/Y)
Ground
Rear power window motor LH
UP signal
Output
When rear LH switch in
power window main switch
is operated UP.
Battery voltage
2
(BR)
Ground
Encoder ground
—
—
0
3
(LG)
Ground
Rear power window motor LH
DOWN signal
Output
When rear LH switch in
power window main switch
is operated DOWN.
Battery voltage
4
(SB)
Ground
Door key cylinder switch LH
LOCK signal
Input
Key position
(Neutral
→
Locked)
5
→
0
5
(P)
Ground
Rear power window motor RH
DOWN signal
Output
When rear RH switch in
power window main switch
is operated DOWN.
Battery voltage
6
(R/W)
Ground
Door key cylinder switch LH
UNLOCK signal
Input
Key position
(Neutral
→
Unlocked)
5
→
0
7
(Y)
Ground
Rear power window motor RH
UP signal
Output
When rear RH switch in
power window main switch
is operated UP.
Battery voltage
8
(O)
11
Front door power window mo-
tor LH UP signal
Output
When front LH switch in
power window main switch
is operated UP.
Battery voltage
9
(Y)
2
Encoder pulse signal 2
Input
When power window mo-
tor operates.
JMKIA0070GB
PWC-44
< ECU DIAGNOSIS >
POWER WINDOW MAIN SWITCH
10
(W/R)
Ground
RAP signal
Input
IGN SW ON
Battery voltage
Within 45 second after ig-
nition switch is turned to
OFF.
Battery voltage
When front LH or RH door
is opened during retained
power operation.
0
11
(GR)
8
Front door power window mo-
tor LH DOWN signal
Output
When front LH switch in
power window main switch
is operated DOWN.
Battery voltage
13
(LB)
2
Encoder pulse signal 1
Input
When power window mo-
tor operates.
14
(V)
Ground
Power window serial link
Input/
Output
IGN SW ON or power win-
dow timer operating.
15
(W/R)
Ground
Encoder power supply
Output
When ignition switch ON or
power window timer oper-
ates.
10
17
(B)
Ground
Ground
—
—
0
19
(L)
Ground
Battery power supply
Input
—
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Voltage [V]
(Approx.)
+
–
Signal name
Input/
Output
JMKIA0070GB
JPMIA0013GB
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