Nissan Altima L32. Instruction — part 1084
POWER SUPPLY AND GROUND CIRCUIT
PWC-103
< COMPONENT DIAGNOSIS >
[LH ONLY ANTI-PINCH-SEDAN]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description
INFOID:0000000004205008
• BCM supplies power.
• It operates each power window motor via corresponding power window switch and makes window move up/
down when main power window and door lock/unlock switch is operated.
POWER WINDOW MAIN SWITCH : Component Function Check
INFOID:0000000004205009
Main Power Window And Door Lock/unlock Switch
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH FUNCTION
Does power window motor operate with main power window and door lock/unlock switch operation?
Is the inspection result normal?
YES
>> Main power window and door lock/unlock switch power supply and ground circuit are OK.
NO
>> Refer to
PWC-103, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"
POWER WINDOW MAIN SWITCH : Diagnosis Procedure
INFOID:0000000004205010
Main Power Window And Door Lock/unlock Switch Power Supply Circuit Check
1.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/
unlock switch connectors (A and B) and ground.
Is the measurement value within the specification?
YES
>> GO TO 3
NO
>> GO TO 2
2.
CHECK HARNESS CONTINUITY
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 connectors (B and C).
4. Check continuity between BCM connector and ground.
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Main power window and door
lock/unlock switch
connector
Terminal
D7 (A)
10
Ground
Battery voltage
D8 (B)
19
ALKIA0273ZZ
BCM
connector
Terminal
Main power window and door
lock/unlock switch
connector
Terminal
Continuity
M16 (A)
3
D7 (B)
10
Yes
2
D8 (C)
19
ALKIA0274ZZ
PWC-104
< COMPONENT DIAGNOSIS >
[LH ONLY ANTI-PINCH-SEDAN]
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch.
3. Check continuity between main power window and door lock/
unlock switch connector and ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock
PWC-186, "Removal and Installation"
.
After that, refer to
PWC-108, "POWER WINDOW MAIN SWITCH : Special Repair Requirement"
.
NO
>> Repair or replace harness.
4.
CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector and ground.
Is the measurement value within the specification?
YES
>> Check main power window and door lock/unlock switch output signal (rear power window switch
LH) GO TO 5
YES
>> Check main power window and door lock/unlock switch output signal (rear power window switch
RH) GO TO 6
NO
>> Replace BCM. Refer to
BCS-96, "Removal and Installation"
5.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POW-
ER WINDOW SWITCH LH)
1. Connect main power window and door lock/unlock switch.
2. Turn ignition switch ON.
3. Check voltage between main power window and door lock/
unlock switch and ground.
BCM connector
Terminal
Ground
Continuity
M16 (A)
3
No
2
Main power window and door lock/un-
lock switch connector
Terminal
Ground
Continuity
D8
17
Yes
ALKIA0275ZZ
Terminals
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M16
3
Ground
Battery voltage
2
ALKIA0262ZZ
ALKIA0276ZZ
POWER SUPPLY AND GROUND CIRCUIT
PWC-105
< COMPONENT DIAGNOSIS >
[LH ONLY ANTI-PINCH-SEDAN]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Is the measurement value within the specification?
YES
>> GO TO 7
NO
>> Replace main power window and door lock/unlock switch. Refer to
. After that, refer to
PWC-108, "POWER WINDOW MAIN SWITCH : Special Repair
6.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POW-
ER WINDOW SWITCH RH)
1. Connect main power window and door lock/unlock switch.
2. Turn ignition switch ON.
3. Check voltage between main power window and door lock/
unlock switch and ground.
Is the measurement value within the specification?
YES
>> GO TO 8
NO
>> Replace main power window and door lock/unlock switch. Refer to
. After that, refer to
PWC-108, "POWER WINDOW MAIN SWITCH : Special Repair
7.
CHECK HARNESS CONTINUITY (REAR POWER WINDOW SWITCH LH)
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and
rear power window switch LH.
3. Check continuity between main power window and door lock/
unlock switch connector (A) and rear power window switch LH
connector (B).
4. Check continuity between main power window and door lock/unlock switch connector (A) and ground.
Terminal
Window
condition
Voltage (V)
(Approx.)
(+)
(–)
Main power window
and door lock/unlock
switch connector
Terminal
D7
1
Ground
UP
Battery voltage
DOWN
0
3
UP
0
DOWN
Battery voltage
Terminal
Window
condition
Voltage (V)
(Approx.)
(+)
(–)
Main power window
and door lock/unlock
switch connector
Terminal
D7
7
Ground
UP
Battery voltage
DOWN
0
5
UP
0
DOWN
Battery voltage
ALKIA0277ZZ
Main power window
and door lock/unlock
switch connector
Terminal
Rear power
window switch
LH connector
Terminal
Continuity
D7 (A)
1
D203 (B)
2
Yes
3
3
ALKIA0278ZZ
PWC-106
< COMPONENT DIAGNOSIS >
[LH ONLY ANTI-PINCH-SEDAN]
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 9
NO
>> Repair or replace harness.
8.
CHECK HARNESS CONTINUITY (REAR POWER WINDOW SWITCH RH)
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and
rear power window switch RH.
3. Check continuity between main power window and door lock/
unlock switch connector (A) and rear power window switch RH
connector (B).
4. Check continuity between main power window and door lock/unlock switch connector and ground.
Is the inspection result normal?
YES
>> GO TO 9
NO
>> Repair or replace harness.
9.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
Check main power window and door lock/unlock switch.
PWC-106, "POWER WINDOW MAIN SWITCH : Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
NO
>> Replace main power window and door lock/unlock switch. Refer to
PWC-108, "POWER WINDOW MAIN SWITCH : Special Repair
POWER WINDOW MAIN SWITCH : Component Inspection
INFOID:0000000004205011
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
Main power window and
door lock/unlock switch con-
nector
Terminal
Ground
Continuity
D7 (A)
1
No
3
Main power window
and door lock/unlock
switch connector
Terminal
Rear power
window switch
RH connector
Terminal
Continuity
D7 (A)
5
D303 (B)
3
Yes
7
2
Main power window and door lock/
unlock switch connector
Terminal
Ground
Continuity
D7 (A)
5
No
7
ALKIA0279ZZ
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