Nissan Titan A60. Manual — part 777
PWC-12
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT CHECK (CREW CAB)
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT CHECK (CREW CAB)
POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description
INFOID:0000000006161030
• 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:0000000006161031
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-12, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"
POWER WINDOW MAIN SWITCH : Diagnosis Procedure
INFOID:0000000006161032
Regarding Wiring Diagram information, refer to
PWC-88, "Wiring Diagram - Crew Cab"
.
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).
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
M20 (A)
68
D7 (B)
10
Yes
69
D8 (C)
19
LIIA2215E
POWER SUPPLY AND GROUND CIRCUIT CHECK (CREW CAB)
PWC-13
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
4. Check continuity between BCM connector (A) and ground.
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
switch. Refer to
PWC-115, "Removal and Installation"
.
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-53, "Removal and Installation"
5.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POW-
ER WINDOW SWITCH LH)
Check voltage between main power window and door lock/unlock
switch connector and ground.
BCM connector
Terminal
Ground
Continuity
M20 (A)
68
No
69
Main power window and door lock/
unlock switch connector
Terminal
Ground
Continuity
D8
17
Yes
ALKIA0275ZZ
Terminals
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M20
68
Ground
Battery voltage
69
LIIA0917E
ALKIA0276ZZ
PWC-14
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT CHECK (CREW CAB)
Is the measurement value within the specification?
YES
>> GO TO 7
NO
>> Replace main power window and door lock/unlock switch. Refer to
6.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POW-
ER WINDOW SWITCH RH)
Check voltage between main power window and door lock/unlock
switch connector 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
7.
CHECK HARNESS CONTINUITY (REAR POWER WINDOW SWITCH LH)
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH.
3. Check continuity between main power window and door lock/
unlock switch connector and rear power window switch LH con-
nector.
4. Check continuity between main power window and door lock/unlock switch connector 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 win-
dow 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
1
D203
2
Yes
3
3
Main power window and door
lock/unlock switch connector
Terminal
Ground
Continuity
D7
1
No
3
ALKIA0278ZZ
POWER SUPPLY AND GROUND CIRCUIT CHECK (CREW CAB)
PWC-15
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
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 rear power window switch RH.
3. Check continuity between main power window and door lock/
unlock switch connector and rear power window switch RH con-
nector.
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-15, "POWER WINDOW MAIN SWITCH : Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> Replace main power window and door lock/unlock switch. Refer to
POWER WINDOW MAIN SWITCH : Component Inspection
INFOID:0000000006161033
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. Check main power window and door lock/unlock switch.
Main power window
and door lock/unlock
switch connector
Terminal
Rear power window
switch RH connector
Terminal
Continuity
D7
5
D303
3
Yes
7
2
Main power window and door
lock/unlock switch connector
Terminal
Ground
Continuity
D7
5
No
7
ALKIA0279ZZ
Terminal
Main power window and door lock/un-
lock switch condition
Continuity
10
1
Rear LH
UP
Yes
10
7
Rear RH
1
3
Rear LH
NEUTRAL
5
7
Rear RH
10
3
Rear LH
DOWN
10
5
Rear RH
ALKIA0280ZZ
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