Nissan Titan. Manual - part 471

POWER WINDOW SERIAL LINK

PWC-57

< DTC/CIRCUIT DIAGNOSIS >

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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 

PWC-115, "Removal and

Installation"

.

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

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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 

PWC-115, "Removal and

Installation"

.

NO

>> Check condition of harness and connector.

REAR POWER DROP GLASS CIRCUIT CHECK

PWC-59

< DTC/CIRCUIT DIAGNOSIS >

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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

Glass Switch"

.

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