Nissan Xterra. Manual — part 552
POWER SUPPLY AND GROUND CIRCUIT
PWC-11
< DTC/CIRCUIT DIAGNOSIS >
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PWC
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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 D7 terminal 14 and ground.
Is the inspection result normal?
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
YES
>> Check main power window and door lock/unlock switch output signal (front power window switch
RH) GO TO 7
YES
>> Check main power window and door lock/unlock switch output signal (front power window motor
LH) GO TO 8
NO
>> Repair or replace harness.
3.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and main power window and door lock/unlock
switch.
3. Check continuity between BCM and main power window and
door lock/unlock switch.
4. Check continuity between BCM and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 terminal 68 and
ground.
Is the measurement value within the specification?
YES
>> Check intermittent incident. Refer to
NO
>> Replace BCM. Refer to
BCS-50, "Removal and Installa-
.
5.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POW-
Connector
Terminals
Continuity
Main power window and
door lock/unlock switch: D7
14
Ground
Yes
LIIA2188E
A
B
Continuity
Connector
Terminal
Connector
Terminal
BCM: M20
68
Main power
window and
door lock/un-
lock switch:
D7
5
Yes
A
Ground
Continuity
Connector
Terminal
BCM: M20
68
No
LIIA2165E
68 - Ground
: Battery voltage
LIIA2055E
PWC-12
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
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 connector and ground.
Is the measurement value within the specification?
YES
>> Check intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
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)
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 connector and ground.
Is the measurement value within the specification?
YES
>> Check intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
NO
>> Replace main power window and door lock/unlock switch. Refer to
.
7.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (FRONT
POWER 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 connector and ground.
Terminal
Window switch
position (rear LH)
Voltage (V)
(Approx.)
(+)
(–)
Main power window
and door lock/unlock
switch connector
Terminal
D7
15
Ground
UP
Battery voltage
DOWN
0
16
UP
0
DOWN
Battery voltage
Terminal
Window switch
position (rear RH)
Voltage (V)
(Approx.)
(+)
(–)
Main power win-
dow and door
lock/unlock
switch connector
Terminal
D7
8
Ground
UP
Battery voltage
DOWN
0
9
UP
0
DOWN
Battery voltage
POWER SUPPLY AND GROUND CIRCUIT
PWC-13
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Is the measurement value within the specification?
YES
>> Check intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
NO
>> Replace main power window and door lock/unlock switch. Refer to
.
8.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (FRONT
POWER WINDOW MOTOR 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 connector and ground.
Is the measurement value within the specification?
YES
>> Check intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
NO
>> Replace main power window and door lock/unlock switch. Refer to
.
POWER WINDOW MAIN SWITCH : Component Inspection
INFOID:0000000009483636
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. Check main power window and door lock/unlock switch.
Terminal
Window switch
position (front RH)
Voltage (V)
(Approx.)
(+)
(–)
Main power win-
dow and door
lock/unlock
switch connector
Terminal
D7
3
Ground
UP
Battery voltage
DOWN
0
2
UP
0
DOWN
Battery voltage
Terminal
Window switch
position (front LH)
Voltage (V)
(Approx.)
(+)
(–)
Main power win-
dow and door
lock/unlock
switch connector
Terminal
D7
6
Ground
UP
Battery voltage
DOWN
0
7
UP
0
DOWN
Battery voltage
PWC-14
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
2. Check continuity between main power window and door lock/unlock switch (power window lock switch).
(Lock operation).
3. Check continuity between main power window and door lock/unlock switch (power window lock switch).
(Unlock operation).
Terminal
Main power window and door lock/un-
lock switch condition
Continuity
5
3
Front RH
UP
Yes
5
15
Rear LH
5
8
Rear RH
2
3
Front RH
NEUTRAL
15
16
Rear LH
8
9
Rear RH
5
2
Front RH
DOWN
5
16
Rear LH
5
9
Rear RH
Terminal
Main power window and door lock/unlock
switch condition
Continuity
2
14
Front RH
UP
No
16
Rear LH
9
Rear RH
2
Front RH
NEUTRAL
3
15
Rear LH
16
8
Rear RH
9
3
Front RH
DOWN
15
Rear LH
8
Rear RH
Terminal
Main power window and door lock/unlock
switch condition
Continuity
2
14
Front RH
UP
Yes
16
Rear LH
9
Rear RH
2
Front RH
NEUTRAL
3
15
Rear LH
16
8
Rear RH
9
3
Front RH
DOWN
15
Rear LH
8
Rear RH
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