Nissan Titan. Manual - part 459

POWER WINDOW SYSTEM

PWC-9

< SYSTEM DESCRIPTION >

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Component Description

INFOID:0000000009878937

POWER WINDOW SYSTEM

1.

A. Main power window and door 
lock/unlock switch D7, D8 (Crew 
Cab), D15 (King Cab)
Power window and door lock/unlock 
switch RH D105
B. Front door switch LH B8, RH B108
C. Front power window motor LH D9, 
RH D104
D. Front door lock assembly LH (key 
cylinder switch) D14

2.

A. Rear power window switch LH 
D203, RH D303 (Crew Cab)
B. Rear power window motor LH 
D204, RH D304 (Crew Cab)

3.

A. Steering column (view with instru-
ment panel removed)
B. BCM M18, M19, M20

4.

Rear power drop glass switch R103 
(Crew Cab)

5.

Rear power drop glass up relay 
M154 (Crew Cab)
Rear power drop glass down relay 
M155 (Crew Cab)

6.

Rear power drop glass motor B80 
(view with rear finisher removed) 
(Crew Cab)

Component

Function

BCM

• Supplies power supply to power window switch.
• Controls retained power.

Main power window and door lock/unlock 
switch

• Directly controls all power window motor of all doors.
• Controls anti-pinch operation of front power window LH.

Power window and door lock/unlock 
switch RH

• Controls front power window motor RH.
• Controls anti-pinch operation of front power window RH.

Rear power window switch (Crew Cab)

• Controls rear power window motors LH and RH.

Rear power drop glass switch (Crew Cab) • Controls rear power drop glass motor.

Front power window motor LH

• Integrates the ENCODER POWER and WINDOW MOTOR.
• Starts operating with signals from main power window and door lock/unlock switch.
• Transmits power window motor rotation as a pulse signal to main power window and 

door lock/unlock switch.

Front power window motor RH

Starts operating with signals from main power window and door lock/unlock switch & 
power window and door lock/unlock switch RH.

Rear power window motor (Crew Cab)

Starts operating with signals from main power window and door lock/unlock switch & 
rear power window switch.

Rear power drop glass motor (Crew Cab)

Starts operating with signal from rear power drop glass switch.

Front door lock assembly LH (key cylinder 
switch)

Transmits operation condition of key cylinder switch to power window main switch.

Front door switch LH or RH

Detects door open/close condition and transmits to BCM.

PWC-10

< SYSTEM DESCRIPTION >

DIAGNOSIS SYSTEM (BCM)

DIAGNOSIS SYSTEM (BCM)

COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)

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APPLICATION ITEM

CONSULT performs the following functions via CAN communication with BCM.

SYSTEM APPLICATION

BCM can perform the following functions.

RETAINED PWR

Direct Diagnostic Mode

Description

Ecu Identification

The BCM part number is displayed.

Self Diagnostic Result

The BCM self diagnostic results are displayed.

Data Monitor

The BCM input/output data is displayed in real time.

Active Test

The BCM activates outputs to test components.

Work support

The settings for BCM functions can be changed.

Configuration

• The vehicle specification can be read and saved.
• The vehicle specification can be written when replacing BCM.

CAN Diag Support Mntr

The result of transmit/receive diagnosis of CAN communication is displayed.

System

Sub System

Direct Diagnostic Mode

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Door lock

DOOR LOCK

×

×

×

Rear window defogger

REAR DEFOGGER

×

×

Warning chime

BUZZER

×

×

Interior room lamp timer

INT LAMP

×

×

×

Remote keyless entry system

MULTI REMOTE ENT

×

×

×

Exterior lamp

HEADLAMP

×

×

×

Wiper and washer

WIPER

×

×

×

Turn signal and hazard warning lamps FLASHER

×

×

Air conditioner

AIR CONDITIONER

×

Combination switch

COMB SW

×

BCM

BCM

×

×

×

×

×

Immobilizer

IMMU

×

×

×

Interior room lamp battery saver

BATTERY SAVER

×

×

×

Vehicle security system

THEFT ALM

×

×

×

RAP system

RETAINED PWR

×

×

×

Signal buffer system

SIGNAL BUFFER

×

×

TPMS

AIR PRESSURE MONITOR

×

×

×

×

Panic alarm system

PANIC ALARM

×

DIAGNOSIS SYSTEM (BCM)

PWC-11

< SYSTEM DESCRIPTION >

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RETAINED PWR : CONSULT Function (BCM - RETAINED PWR)

INFOID:0000000009878939

DATA MONITOR

ACTIVE TEST

WORK SUPPORT

*: Initial setting

Monitor Item [Unit]

Description

IGN ON SW [On/Off]

Indicates condition of ignition switch ON position.

DOOR SW-DR [On/Off]

Indicates condition of front door switch LH.

DOOR SW-AS [On/Off]

Indicates condition of front door switch RH.

Test Item

Description

RETAINED PWR

This test is able to check retained power operation [Off/On].

Support Item

Setting

Description

RETAINED PWR SET

MODE3

2 min

Sets the retained accessory power operating time. 

MODE2

OFF

MODE1*

45 sec

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

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• 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:0000000009878941

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"

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POWER WINDOW MAIN SWITCH : Diagnosis Procedure

INFOID:0000000009878942

Regarding Wiring Diagram information, refer to 

PWC-88, "Wiring Diagram - Crew Cab"

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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

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D8 (C)

19

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