Nissan Altima L32. Instruction — part 1141
POWER WINDOW SERIAL LINK
PWC-331
< COMPONENT DIAGNOSIS >
[LH&RH FRONT ANTI-PINCH-SEDAN]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
POWER WINDOW SERIAL LINK
POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description
INFOID:0000000004205196
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:0000000004205197
1.
CHECK POWER WINDOW 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-19, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
.
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-331, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"
POWER WINDOW MAIN SWITCH : Diagnosis Procedure
INFOID:0000000004205198
Power Window Serial Link Check
1.
CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
1. Remove Intelligent 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
ALKIA0313ZZ
PWC-332
< COMPONENT DIAGNOSIS >
[LH&RH FRONT ANTI-PINCH-SEDAN]
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
PWC-307, "POWER WINDOW MAIN SWITCH : Special Repair
NO
>> Repair or replace harness.
FRONT POWER WINDOW SWITCH
FRONT POWER WINDOW SWITCH : Description
INFOID:0000000004205199
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:0000000004205200
1.
CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH OUTPUT SIGNAL
Terminal
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M18
40
Ground
PIIA1297E
BCM connector
Terminal
Main power window and door
lock/unlock switch connector
Terminal
Continuity
M18 (A)
40
D7 (B)
14
Yes
ALKIA0314ZZ
BCM connector
Terminal
Ground
Continuity
M18 (A)
40
No
POWER WINDOW SERIAL LINK
PWC-333
< COMPONENT DIAGNOSIS >
[LH&RH FRONT ANTI-PINCH-SEDAN]
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-19, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
.
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-333, "FRONT POWER WINDOW SWITCH : Diagnosis Procedure"
.
FRONT POWER WINDOW SWITCH : Diagnosis Procedure
INFOID:0000000004205201
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 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
40
Ground
ALKIA0313ZZ
PIIA1297E
BCM connector
Terminal
Power window and door
lock/unlock switch RH con-
nector
Terminal
Continuity
M18 (A)
40
D105 (B)
16
Yes
ALKIA0315ZZ
PWC-334
< COMPONENT DIAGNOSIS >
[LH&RH FRONT ANTI-PINCH-SEDAN]
POWER WINDOW SERIAL LINK
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch. Refer to
PWC-307, "POWER WINDOW MAIN SWITCH : Special Repair
NO
>> Repair or replace harness.
BCM connector
Terminal
Ground
Continuity
M18 (A)
40
No
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