Nissan Titan. Manual — part 471
POWER WINDOW SERIAL LINK
PWC-57
< DTC/CIRCUIT DIAGNOSIS >
C
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M
A
B
PWC
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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.
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
Power window and door
lock/unlock switch RH con-
nector
Terminal
Continuity
M18 (A)
22
D105 (B)
16
Yes
ALKIA1027ZZ
BCM connector
Terminal
Ground
Continuity
M18 (A)
22
No
PWC-58
< DTC/CIRCUIT DIAGNOSIS >
POWER WINDOW LOCK SWITCH
POWER WINDOW LOCK SWITCH
Description
INFOID:0000000009879005
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:0000000009879006
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.
REAR POWER DROP GLASS CIRCUIT CHECK
PWC-59
< DTC/CIRCUIT DIAGNOSIS >
C
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A
B
PWC
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REAR POWER DROP GLASS CIRCUIT CHECK
Rear Power Drop Glass Circuit Inspection
INFOID:0000000009879007
Regarding Wiring Diagram information, refer to
PWC-88, "Wiring Diagram - Crew Cab"
.
1.
CHECK REAR POWER DROP GLASS SWITCH OPERATION
1. Turn ignition switch OFF.
2. Disconnect rear power drop glass switch.
3. Check continuity between rear power drop glass switch terminals 1, 3 and 5.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Replace rear power drop glass switch. Refer to
PWC-117, "Removal and Installation - Power Drop
2.
CHECK REAR POWER DROP GLASS SWITCH GROUND CIRCUIT HARNESS CONTINUITY
Check continuity between rear power drop glass switch connector R103 terminal 3 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK REAR POWER DROP GLASS SIGNAL
1. Connect rear power drop glass switch.
2. Disconnect rear power drop glass motor.
3. Turn ignition switch ON.
4. Check voltage between rear power drop glass motor connector
B80 terminals 1, 4 and ground.
Is the inspection result normal?
YES
>> Replace rear power drop glass motor. Refer to
GW-13, "Removal and Installation"
NO
>> Repair or replace harness.
Terminal Condition
Continuity
3
5
Rear power drop glass switch is pressed DOWN
Yes
1
Rear power drop glass switch is pressed UP
Yes
3 - Ground
: Continuity should exist.
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
B80
1
Ground
Up
Battery voltage
Down
0
4
Up
0
Down
Battery voltage
LIIA1842E
PWC-60
< DTC/CIRCUIT DIAGNOSIS >
REAR POWER DROP GLASS DOWN RELAY CHECK
REAR POWER DROP GLASS DOWN RELAY CHECK
Rear Power Drop Glass Down Relay Check
INFOID:0000000009879008
Regarding Wiring Diagram information, refer to
PWC-88, "Wiring Diagram - Crew Cab"
.
1.
CHECK REAR POWER DROP GLASS UP RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power drop glass down relay.
3. Turn ignition switch ON.
4. Check voltage between rear power drop glass down relay con-
nector and ground.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace harness.
2.
CHECK REAR POWER DROP GLASS DOWN RELAY
Check continuity between rear power drop glass down relay termi-
nals 3 and 4, 3 and 5.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace rear power drop glass down relay.
3.
CHECK REAR POWER DROP GLASS DOWN RELAY GROUND CIRCUIT
Check continuity between rear power drop glass down relay connec-
tor M155 terminal 4 and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK REAR POWER DROP GLASS DOWN RELAY CIRCUIT
Connector
Terminals
Voltage (V)
(Approx.)
(+)
(-)
M155
1
Ground
Battery voltage
5
LIIA1843E
Terminal
Condition
Continuity
3
4
12V direct current supply
between terminals 1 and 2
No
No current supply
Yes
5
12V direct current supply
between terminals 1 and 2
Yes
No current supply
No
WIIA0291E
4 - Ground
: Continuity should exist.
LIIA1844E
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