Nissan Teana J32. Manual - part 969

 

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Nissan Teana J32. Manual - part 969

 

 

HEATED SEAT

SE-9

< FUNCTION DIAGNOSIS >

[WITH VENTILATION SEAT]

C

D

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F

G

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M

A

B

SE

N

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Component Parts Location

INFOID:0000000003820815

Component Description

INFOID:0000000003820816

1.

Front heated seat switch
• Driver side M206
• Passenger side M207

2.

Rear heated seat switch
• LH  B494
• RH B505

3.

Front ventilation seat control unit
• Driver side B465, B466, B467
• Passenger side B441, B442, B443

4.

Rear ventilation seat control unit
• LH B489, B490, B491
• RH B500, B501, B502

5.

Front seatback heater
• Driver side B464
• Passenger side B433

6.

Front seat cushion heater
• Driver side B463
• Passenger side B432

7.

Rear seatback heater
• LH  B488
• RH B499

8.

Rear seat cushion heater
• LH  B487
• RH B498

A.

Backside of seat cushion (front seat) B.

Backside of seatback (rear seat)

JMJIA1840ZZ

Item

Function

Heated seat switch

• Switches the LO or HI temperature of the heated seat and turns OFF the heated seat 

operation

• Illuminates the indicator that indicates the operating status of each mode

Heater unit

Warms the seat cushion and seatback

Ventilation seat control unit

Installed on each seat (driver seat, passenger seat, rear seat LH and RH) and controls the 
heated seat and ventilation seat functions

SE-10

< FUNCTION DIAGNOSIS >

[WITH VENTILATION SEAT]

VENTILATION SEAT SYSTEM

VENTILATION SEAT SYSTEM

System Diagram

INFOID:0000000003820819

System Description

INFOID:0000000003809309

• The ventilation seat system consists of the ventilation seat switch, the ventilation motor and the ventilation

seat control unit. 

• The ventilation seat system blows air from the seat surface and reduces heat and humidity.
• The ventilation seat system has a LO and HI mode that can be switched back and forth. The LO mode blows

air moderately from the seat surface and the HI mode blows air strongly.
The indicator on the heated seat switch indicates the operation status of each mode.
NOTE:
• The memory function is adopted for the front seat. When the ignition switch turns ON again after turning

OFF, while the ventilation seat is being operated, the ventilation seat system restarts at the same air flow
setting as the previous operation. 

• For the rear seat, when the ignition switch turns ON again after turning OFF, while the ventilation seat is

being operated, the heated ventilation seat system does not restart and stays in the OFF position.

• While the ventilation seat system is being operated, the heated seat system becomes invalid.

LO MODE OPERATION

• When the LO button of the ventilation seat switch is pressed while the ignition switch is ON, the ventilation

seat control unit outputs the power supply to the ventilation motor and simultaneously illuminates the LO
mode indicator in the ventilation seat switch.

• The ventilation motor is controlled in LO mode by the LO mode ventilation motor speed control signal from

the ventilation control unit. The ventilation motor sends moderate air flow to the seat cushion and seat back.

• When the LO button is pressed again while the ventilation seat switch is in the LO mode position, the indica-

tor and the ventilation seat switch turn OFF. 

HI MODE OPERATION

• When the HI button of the ventilation seat switch is pressed while the ignition switch is ON, the ventilation

seat control unit outputs the power supply to the ventilation motor and simultaneously illuminates the HI
mode indicator in the ventilation seat switch.

• The ventilation motor is controlled in HI mode by the HI mode ventilation motor speed control signal from the

ventilation control unit. The ventilation motor sends strong air flow to the seat cushion and seat back.

• When the HI button is pressed again while the ventilation seat switch is in the HI mode position, the indicator

and the ventilation seat switch turn OFF. 

FAIL-SAFE

The fail-safe function is adopted for the ventilation seat control unit. Refer to 

SE-59, "FRONT SEAT : Fail-

safe"

.

JMJIA1933GB

VENTILATION SEAT SYSTEM

SE-11

< FUNCTION DIAGNOSIS >

[WITH VENTILATION SEAT]

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

Component Parts Location

INFOID:0000000003809310

Component Description

INFOID:0000000003809311

1.

Front ventilation seat switch
• Driver side M208
• Passenger side M209

2.

Rear ventilation seat switch
• LH  B495
• RH B506

3.

Front ventilation motor
• Driver side B468
• Passenger side B444

4.

Front ventilation seat control unit
• Driver side B465, B466, B467
• Passenger side B441, B442, B443

5.

Rear ventilation seat control unit
• LH B489, B490, B491
• RH B500, B501, B502

6.

Rear ventilation motor (seatback)
• LH  B493
• RH B504

7.

Rear ventilation motor (seat cushion)
• LH  B492
• RH  B503

A.

Backside of seat cushion (front seat) B.

Backside of seatback (rear seat)

JMJIA1931ZZ

Item

Function

Ventilation seat switch

• Switches the LO or HI air flow of the ventilation seat and turns OFF the ventilation seat 

operation

• Illuminates the indicator that indicates the operating status of each mode

Ventilation motor

• Sends air flow to the seat cushion and seatback
• One motor is allocated for both the seat cushion and seatback in each front seat
• Two motors are allocated for the seat cushion and two motors for the seatback, in the 

rear seat LH and RH

Ventilation seat control unit

Installed on each seat (driver seat, passenger seat, rear seat LH and RH) and controls 
the heated seat and ventilation seat functions

SE-12

< COMPONENT DIAGNOSIS >

[WITH VENTILATION SEAT]

POWER SUPPLY AND GROUND CIRCUIT

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

VENTILATION SEAT CONTROL UNIT

VENTILATION SEAT CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003809329

1.

CHECK FUSE

Check that the following fuses are not fusing.

Is the fuse fusing?

YES

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ventilation seat control unit connector.

3.

Check voltage between ventilation seat control unit harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

Check continuity between ventilation seat control unit harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

Terminal No.

Signal name

Fuse No.

Front seat

44

Battery power supply

35

Rear seat

44

Battery power supply

38

Front seat and rear seat

46

Ignition power supply

3

(+)

(

−

)

Condition

Voltage

(Approx.)

Ventilation seat control unit

Connector

Terminal

Front seat (driver side)

B466

46

Ground

IgnitIon switch

ON

Battery voltage

B465

44

OFF

Front seat (passenger side)

B442

46

ON

B441

44

OFF

Rear seat (LH)

B490

46

ON

B489

44

OFF

Rear seat (RH)

B501

46

ON

B500

44

OFF

Ventilation seat control unit

Ground

Continuity

Connector

Terminal

Front seat (driver side)

B465

45

Exists

Front seat (passenger side)

B441

Rear seat (LH)

B489

45

Rear seat (RH)

B500

 

 

 

 

 

 

 

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