Nissan Altima L32. Manual - part 1107

POWER WINDOW SYSTEM

PWC-195

< FUNCTION DIAGNOSIS >

[LH&RH FRONT ANTI-PINCH-COUPE]

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Component

Function

BCM

• Supplies power to power window switches.
• Controls retained power.

Main power window and door lock/un-
lock switch

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

Power window and door lock/unlock 
switch RH

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

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.

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.

Door lock assembly LH (key cylinder 
switch)

Transmits operation condition of key cylinder switch to main power window and door 
lock/unlock switch.

Door switch LH or RH

Detects door open/close condition and transmits to BCM.

PWC-196

< FUNCTION DIAGNOSIS >

[LH&RH FRONT ANTI-PINCH-COUPE]

DIAGNOSIS SYSTEM (BCM)

DIAGNOSIS SYSTEM (BCM)

COMMON ITEM
COMMON ITEM : Diagnosis Description

INFOID:0000000004498126

BCM CONSULT-III FUNCTION

CONSULT-III performs the following functions via CAN communication with BCM.

SYSTEM APPLICATION

BCM can perform the following functions for each system.

NOTE:

It can perform the diagnosis modes except the following for all sub system selection items.

COMMON ITEM : CONSULT-III Function

INFOID:0000000004498127

ECU IDENTIFICATION

Displays the BCM part No.

SELF-DIAG RESULT

Refer to 

BCS-91, "DTC Index"

.

Diagnosis mode

Function Description

WORK SUPPORT

Changes the setting for each system function.

SELF-DIAG RESULTS

Displays the diagnosis results judged by BCM.

CAN DIAG SUPPORT MNTR

Monitors the reception status of CAN communication viewed from BCM.

DATA MONITOR

The BCM input/output signals are displayed.

ACTIVE TEST

The signals used to activate each device are forcibly supplied from BCM.

ECU IDENTIFICATION

The BCM part number is displayed.

CONFIGURATION

This function is not used even though it is displayed.

System

Sub system selection item

Diagnosis mode

WORK SUPPORT

DATA MONITOR

ACTIVE TEST

Door lock

DOOR LOCK

×

×

×

Rear window defogger

REAR DEFOGGER

×

×

Warning chime

BUZZER

×

×

Interior room lamp timer

INT LAMP

×

×

×

Remote keyless entry system

MUTI REMOTE ENT

×

×

×

Exterior lamp

HEADLAMP

×

×

×

Wiper and washer

WIPER

×

×

×

Turn signal and hazard warning lamps FLASHER

×

×

×

Air conditioner

AIR CONDITONER

×

Intelligent Key system

INTELLIGENT KEY

×

×

×

Combination switch

COMB SW

×

BCM

BCM

×

Immobilizer

IMMU

×

×

Interior room lamp battery saver

BATTERY SAVER

×

×

×

Trunk open

TRUNK

×

Vehicle security system

THEFT ALM

×

×

×

RAP system

RETAINED PWR

×

Signal buffer system

SIGNAL BUFFER

×

×

TPMS

AIR PRESSURE MONITOR

×

×

DIAGNOSIS SYSTEM (BCM)

PWC-197

< FUNCTION DIAGNOSIS >

[LH&RH FRONT ANTI-PINCH-COUPE]

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RETAINED PWR
RETAINED PWR : CONSULT-III Function (BCM - RETAINED PWR)

INFOID:0000000004498128

Data monitor

Monitor Item

[Unit]

Description

DOOR SW-DR [ON/OFF]

Indicates condition of front door switch LH.

DOOR SW-AS [ON/OFF]

Indicates condition of front door switch RH.

PWC-198

< COMPONENT DIAGNOSIS >

[LH&RH FRONT ANTI-PINCH-COUPE]

POWER SUPPLY AND GROUND CIRCUIT

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description

INFOID:0000000004205076

• 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:0000000004205077

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-198, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"

.

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

INFOID:0000000004205078

Main Power Window And Door Lock/Unlock Switch Power Supply Circuit Check

1.

 CHECK POWER SUPPLY CIRCUIT 

1. Turn ignition switch ON.

2. Check voltage between main power window and door lock/

unlock switch connectors 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).

4. Check continuity between BCM connector (A) and ground.

Terminal

Voltage (V)

(Approx.)

(+)

(–)

Main power window and 

door lock/unlock switch

connector

Terminal 

D7

1

Ground

Battery voltage

10

LIIA2312E

BCM connector

Terminal

Main power window and 

door lock/unlock switch

connector

Terminal

Continuity

M16 (A)

3

D7 (B)

10

Yes

2

1

ALKIA1342ZZ