Nissan Teana J32. Manual - part 289

REAR WINDOW DEFOGGER SYSTEM

DEF-5

< FUNCTION DIAGNOSIS >

C

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DEF

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WITH AV CONTROL UNIT : Component Parts Location

INFOID:0000000003806027

WITH AV CONTROL UNIT : Component Description

INFOID:0000000003806028

1.

BCM M118, M119, M122, M123

2.

IPDM E/R E11

3.

Rear window defogger switch M125
(built-in multifunction switch)

4.

Rear window defogger connector 
B126

5.

Condenser B125

6.

Rear window defogger connector 
B303

7.

AV control unit M129, M131

A.

Behind the combination meter

B.

Engine room dash panel (LH)

C.

Behind rear pillar finisher (LH)

D.

Behind rear pillar finisher (RH)

E.

Behind cluster lid C

JMLIA0150ZZ

BCM

• Operates the rear window defogger via rear window defogger switch
• Performs the timer control of rear window defogger

Rear window defogger relay

• Operates the rear window defogger and the door mirror defogger with the control signal from 

BCM

IPDM E/R

• Transmits rear window defogger control signal to AV control unit via CAN communication

Multifunction switch
(Rear window defogger 
switch)

• The rear window defogger switch is installed
• Turns the indicator lamp ON when detecting the operation of rear window defogger

AV control unit

• Displays the rear window defogger is ON on the display when detecting the operation of rear 

window defogger

Rear window defogger

• Heats the heating wire with the power supply from the rear window defogger relay to prevent 

the rear window from fogging up

Door mirror defogger

• Heats the heating wire with the power supply from the rear window defogger relay to prevent 

the door mirror from fogging up

DEF-6

< FUNCTION DIAGNOSIS >

REAR WINDOW DEFOGGER SYSTEM

WITHOUT AV CONTROL UNIT

WITHOUT AV CONTROL UNIT : System Diagram

INFOID:0000000003806029

WITHOUT AV CONTROL UNIT : System Description

INFOID:0000000003806030

Operation Description

• Turn rear window defogger switch ON when the ignition switch is turned ON. Then A/C control unit (rear win-

dow defogger switch) transmits rear window defogger switch signal to A/C auto amp. and BCM.

• BCM turns rear window defogger relay ON and transmits rear window defogger control signal to IPDM E/R

via CAN communication when rear window defogger switch signal is received. 

• Rear window defogger and door mirror defogger are supplied with power and operate when rear window

defogger relay turns ON. 

• Rear window defogger relay transmits rear window defogger control signal to A/C auto amp. when rear win-

dow defogger operates. 

• When receiving the signal, A/C auto amp. indicates rear defogger ON on the display. At the same time, A/C

auto amp. transmits rear defogger control signal to A/C control unit (rear window defogger switch) and illumi-
nates rear defogger switch indicator.

Timer function

• BCM turns rear window defogger relay ON for approximately 15 minutes when rear window defogger switch

is turned ON. It makes rear window defogger and door mirror defogger (with door mirror defogger) operate.

• Timer is canceled after pressing rear window defogger switch again during timer operation. Then BCM turns

rear window defogger relay OFF. The same reaction also occurs during timer operation, if the ignition switch
is turned OFF. 

INPUT/OUTPUT SIGNAL CHART

JMLIA0154GB

Switch

Input signal to BCM

BCM function

Actuator

Rear window defogger switch

Defogger switch signal

Rear window defogger & Door mir-
ror defogger control

Rear window defogger
Door mirror defogger

Push button ignition switch

Ignition signal

REAR WINDOW DEFOGGER SYSTEM

DEF-7

< FUNCTION DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

WITHOUT AV CONTROL UNIT : Component Parts Location

INFOID:0000000003806031

WITHOUT AV CONTROL UNIT : Component Description

INFOID:0000000003806032

1.

BCM M118, M119, M122, M123

2.

IPDM E/R E11

3.

Rear window defogger switch M95
(built-in A/C control)

4.

Rear window defogger connector 
B126

5.

Condenser B125

6.

Rear window defogger connector 
B303

7.

A/C auto amp. M50

A.

Behind the combination meter

B.

Engine room dash panel (LH)

C.

Behind rear pillar finisher (LH)

D.

Behind rear pillar finisher (RH)

E.

Behind cluster lid C

JMLIA0151ZZ

BCM

• Operates the rear window defogger with the operation of rear window defogger switch
• Performs the timer control of rear window defogger

Rear window defogger relay

• Operates the rear window defogger and the door mirror defogger with the control signal from 

BCM

IPDM E/R

• Transmit rear window defogger control signal to ECM via CAN communication

A/C control
(Rear window defogger 
switch)

• The rear window defogger switch is installed
• Turns the indicator lamp ON when detecting the operation of rear window defogger

A/C auto amp.

• Displays the rear window defogger ON to the display when detecting the operation of rear win-

dow defogger

Rear window defogger

• Heats the heating wire with the power supply from the rear window defogger relay to prevent 

the rear window from fogging up

Door mirror defogger

• Heats the heating wire with the power supply from the rear window defogger relay to prevent 

the door mirror from fogging up

DEF-8

< FUNCTION DIAGNOSIS >

DIAGNOSIS SYSTEM (BCM)

DIAGNOSIS SYSTEM (BCM)

COMMON ITEM

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

INFOID:0000000003940040

APPLICATION ITEM

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.

×

: Applicable item

NOTE:

*: This item is displayed, but is not used. 

FREEZE FRAME DATA (FFD) AND IGN COUNTER

Freeze Frame Data

Diagnosis mode

Function Description

Work Support

Changes the setting for each system function.

Self Diagnostic Result

Displays the diagnosis results judged by BCM.

CAN Diag Support Monitor

Monitors the reception status of CAN communication viewed from BCM. Refer to CONSULT-III opera-
tion manual.

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

• Read and save the vehicle specification.
• Write the vehicle specification when replacing BCM.

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

×

×

×

Exterior lamp

HEAD LAMP

×

×

×

Wiper and washer

WIPER

×

×

×

Turn signal and hazard warning lamps

FLASHER

×

×

×

—

AIR CONDITONER*

• Intelligent Key system
• Engine start system

INTELLIGENT KEY

×

×

×

Combination switch

COMB SW

×

Body control system

BCM

×

NVIS - NATS

IMMU

×

×

Interior room lamp battery saver

BATTERY SAVER

×

×

×

Trunk lid opener system

TRUNK

×

×

Vehicle security system

THEFT ALM

×

×

×

—

RETAINED PWR*

×

Signal buffer system

SIGNAL BUFFER

×

×

—

TPMS (AIR PRESSURE MONITOR)*

×

×

×