2008 NISSAN TEANA Service Manual

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Page 3865 of 5121

NISSAN TEANA 2008 Service Manual SE-1
BODY INTERIOR
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SECTION SE
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CONTENTS
SEAT
WITH VENTILATION SEAT
BASIC INSPECTION ....... .............................
5
DIAGNOSIS AND REPAIR WORK FLOW .... .....5

SE-1
BODY INTERIOR
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SECTION SE
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SE
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CONTENTS
SEAT
WITH VENTILATION SEAT
BASIC INSPECTION ....... .............................
5
DIAGNOSIS AND REPAIR WORK FLOW .... .....5
Work Flow ........................................................... ......5
FUNCTION DIAGNOSIS ...............................6
POWER SEAT ................................................ .....6
System Description ............................................. ......6
Component Parts Location ........................................6
Component Description .............................................7
HEATED SEAT ....................................................8
System Diagram .................................................. ......8
System Description ...................................................8
Component Parts Location ........................................9
Component Description .............................................9
VENTILATION SEAT SYSTEM ..........................10
System Diagram .................................................. ....10
System Description .................................................10
Component Parts Location ......................................11
Component Description ...........................................11
COMPONENT DIAGNOSIS .........................12
POWER SUPPLY AND GROUND CIRCUIT .. ....12
VENTILATION SEAT CONTROL UNIT ................. ....12
VENTILATION SEAT CONTROL UNIT : Diagno-
sis Procedure ...................................................... ....
12
HEATED SEAT SWITCH ...................................13
FRONT SEAT ........................................................ ....13
FRONT SEAT : Description ....................................13
FRONT SEAT : Component Function Check ........13
FRONT SEAT : Diagnosis Procedure .....................13
FRONT SEAT : Component Inspection ..................15
REAR SEAT .......................................................... ....15
REAR SEAT : Description ......................... ..............15
REAR SEAT : Componen t Function Check ...........15
REAR SEAT : Diagnosis Pr ocedure ........................15
REAR SEAT : Component In spection .....................17
VENTILATION SEAT SWITCH .........................18
FRONT SEAT ......................................................... ....18
FRONT SEAT : Description .....................................18
FRONT SEAT : Componen t Function Check .........18
FRONT SEAT : Diagnosis Pr ocedure .....................18
FRONT SEAT : Component In spection ...................20
REAR SEAT ........................................................... ....20
REAR SEAT : Description ......................... ..............20
REAR SEAT : Componen t Function Check ...........20
REAR SEAT : Diagnosis Pr ocedure ........................20
REAR SEAT : Component In spection .....................22
VENTILATION MOTOR ....................................23
FRONT SEAT ......................................................... ....23
FRONT SEAT : Description .....................................23
FRONT SEAT : Componen t Function Check .........23
FRONT SEAT : Diagnosis Pr ocedure .....................23
REAR SEAT ........................................................... ....25
REAR SEAT : Description ......................... ..............25
REAR SEAT : Componen t Function Check ...........25
REAR SEAT : Diagnosis Pr ocedure ........................25
HEATED SEAT HI MODE GROUND CIRCUIT ...29
FRONT SEAT ......................................................... ....29
FRONT SEAT : Description .....................................29
FRONT SEAT : Componen t Function Check .........29
FRONT SEAT : Diagnosis Pr ocedure .....................29
REAR SEAT ........................................................... ....29
REAR SEAT : Description ......................... ..............30
REAR SEAT : Componen t Function Check ...........30
REAR SEAT : Diagnosis Pr ocedure ........................30

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NISSAN TEANA 2008 Service Manual SE-2
SEAT CUSHION HEATER ................................31
FRONT SEAT ............................................................31
FRONT SEAT : Description ....................................31

SE-2
SEAT CUSHION HEATER ................................31
FRONT SEAT ............................................................31
FRONT SEAT : Description ....................................31
FRONT SEAT : Component Function Check ........31
FRONT SEAT : Diagnosis Procedure ....................31
REAR SEAT ..............................................................31
REAR SEAT : Description ......................................32
REAR SEAT : Component Function Check ..........32
REAR SEAT : Diagnosis Procedure .......................32
SEATBACK HEATER ........................................33
FRONT SEAT ............................................................33
FRONT SEAT : Description ....................................33
FRONT SEAT : Component Function Check ........33
FRONT SEAT : Diagnosis Procedure ....................33
REAR SEAT ..............................................................34
REAR SEAT : Description ......................................34
REAR SEAT : Component Function Check ..........34
REAR SEAT : Diagnosis Procedure .......................35
HEATED SEAT SWITCH INDICATOR ..............37
FRONT SEAT ............................................................37
FRONT SEAT : Description ....................................37
FRONT SEAT : Component Function Check ........37
FRONT SEAT : Diagnosis Procedure ....................37
FRONT SEAT : Component Inspection ..................38
REAR SEAT ..............................................................38
REAR SEAT : Description ......................................38
REAR SEAT : Component Function Check ..........38
REAR SEAT : Diagnosis Procedure .......................39
REAR SEAT : Component Inspection ....................40
VENTILATION SEAT SWITCH INDICATOR .....41
FRONT SEAT ............................................................41
FRONT SEAT : Description ....................................41
FRONT SEAT : Component Function Check ........41
FRONT SEAT : Diagnosis Procedure ....................41
FRONT SEAT : Component Inspection ..................42
REAR SEAT ..............................................................42
REAR SEAT : Description ......................................42
REAR SEAT : Component Function Check ..........42
REAR SEAT : Diagnosis Procedure .......................43
REAR SEAT : Component Inspection ....................44
POWER SEAT ...................................................45
Wiring Diagram - POWER SEAT FOR DRIVER
SIDE - .....................................................................
45
Wiring Diagram - POWER SEAT FOR PASSEN-
GER SIDE - ............................................................
48
ECU DIAGNOSIS ........................................52
VENTILATION SEAT CONTROL UNIT .............52
FRONT SEAT ............................................................52
FRONT SEAT : Reference Value ...........................52
FRONT SEAT : Wiring Diagram - FRONT HEAT-
ED SEAT AND VENTILATION SEAT SYSTEM - ...
53
FRONT SEAT : Fail-safe ........................................59
REAR SEAT ..............................................................60
REAR SEAT : Reference Value ..............................60
REAR SEAT : Wiring Diagram - REAR HEATED
SEAT AND VENTILATION SEAT SYSTEM - .........
62
REAR SEAT : Fail-safe ...........................................67
SYMPTOM DIAGNOSIS ............................69
VENTILATION SEAT AND HEATED SEAT
DO NOT OPERATE ...........................................
69
Diagnosis Procedure ...............................................69
VENTILATION SEAT DOES NOT OPERATE ...70
FRONT SEAT ............................................................70
FRONT SEAT : Diagnosis Procedure .....................70
REAR SEAT ..............................................................70
REAR SEAT : Diagnosis Procedure .......................70
HI MODE AND LO MODE OF HEATED SEAT
DO NOT OPERATE ...........................................
71
FRONT SEAT ............................................................71
FRONT SEAT : Description ....................................71
FRONT SEAT : Diagnosis Procedure .....................71
REAR SEAT ..............................................................71
REAR SEAT : Description .......................................71
REAR SEAT : Diagnosis Procedure .......................71
HI MODE OF HEATED SEAT DOES NOT OP-
ERATE ...............................................................
73
FRONT SEAT ............................................................73
FRONT SEAT : Diagnosis Procedure .....................73
REAR SEAT ..............................................................73
REAR SEAT : Diagnosis Procedure .......................73
LO MODE OF HEATED SEAT DOES NOT
OPERATE ..........................................................
74
FRONT SEAT ............................................................74
FRONT SEAT : Description ....................................74
FRONT SEAT : Diagnosis Procedure .....................74
REAR SEAT ..............................................................74
REAR SEAT : Description .......................................74
REAR SEAT : Diagnosis Procedure .......................74
ONLY SEATBACK HEATER IS OPERATED
IN HI MODE OF HEATED SEAT .......................
76
FRONT SEAT ............................................................76
FRONT SEAT : Description ....................................76
FRONT SEAT : Diagnosis Procedure .....................76
REAR SEAT ..............................................................76

Page 3867 of 5121

NISSAN TEANA 2008 Service Manual SE-3
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P REAR SEAT : Description .......................................
76
REAR SEAT : Diagnosis Procedure .......................76
ONLY SEAT CUSHION HEATER IS OPER-
AT

SE-3
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P REAR SEAT : Description .......................................
76
REAR SEAT : Diagnosis Procedure .......................76
ONLY SEAT CUSHION HEATER IS OPER-
ATED IN HI MODE OF HEATED SEAT .............
77
FRONT SEAT ............................................................77
FRONT SEAT : Description ....................................77
FRONT SEAT : Diagnosis Procedure .....................77
REAR SEAT ..............................................................77
REAR SEAT : Description .......................................77
REAR SEAT : Diagnosis Procedure .......................77
HEATED SEAT SWITCH INDICATOR DOES
NOT TURN ON ...................................................
78
FRONT SEAT ............................................................78
FRONT SEAT : Diagnosis Procedure .....................78
REAR SEAT ..............................................................78
REAR SEAT : Diagnosis Procedure .......................78
VENTILATION SEAT SWITCH INDICATOR
DOES NOT TURN ON ........................................
79
FRONT SEAT ............................................................79
FRONT SEAT : Diagnosis Procedure .....................79
REAR SEAT ..............................................................79
REAR SEAT : Diagnosis Procedure .......................79
SQUEAK AND RATTLE TROUBLE DIAG-
NOSES ...............................................................
80
Work Flow ...............................................................80
Inspection Procedure ..............................................82
Diagnostic Worksheet .............................................84
PRECAUTION ..............................................86
PRECAUTIONS ..................................................86
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
86
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect ...................................
86
Service Notice .........................................................86
Precaution for Work ................................................87
PREPARATION ...........................................88
PREPARATION ..................................................88
Commercial Service Tools .....................................88
ON-VEHICLE REPAIR .................................89
FRONT SEAT .....................................................89
Exploded View ........................................................89
Removal and Installation .........................................92
Disassembly and Assembly ....................................93
REAR SEAT .......................................................98
Exploded View ........................................................98
Removal and Installation .........................................99
Disassembly and Assembly ...................................100
POWER SEAT SWITCH .................................103
Exploded View .......................................................103
Removal and Installation .......................................103
HEATED SEAT SWITCH ................................104
FRONT SEAT ...........................................................104
FRONT SEAT : Exploded View .............................104
FRONT SEAT : Removal and Installation .............104
REAR SEAT .............................................................104
REAR SEAT : Exploded View ...............................105
REAR SEAT : Removal and Installation ................105
VENTILATION SEAT SWITCH .......................106
FRONT SEAT ...........................................................106
FRONT SEAT : Exploded View .............................106
FRONT SEAT : Removal and Installation .............106
REAR SEAT .............................................................106
REAR SEAT : Exploded View ...............................107
REAR SEAT : Removal and Installation ................107
WITHOUT VENTILATION SEAT
FUNCTION DIAGNOSIS ............................
108
POWER SEAT .................................................108
System Description ................................................108
Component Parts Location ....................................108
Component Description .........................................108
HEATED SEAT ...............................................110
System Description ................................................110
Component Parts Location ....................................110
Component Description .........................................110
COMPONENT DIAGNOSIS .......................111
POWER SEAT .................................................111
Wiring Diagram - POWER SEAT FOR DRIVER
SIDE - ....................................................................
111
Wiring Diagram - POWER SEAT FOR PASSEN-
GER SIDE - ...........................................................
114
HEATED SEAT ...............................................118
Wiring Diagram - HEATED SEAT - .......................118
SYMPTOM DIAGNOSIS ............................121
SQUEAK AND RATTLE TROUBLE DIAG-
NOSES ............................................................
121
Work Flow ..............................................................121
Inspection Procedure .............................................123
Diagnostic Worksheet ............................................125
PRECAUTION ............................................127
PRECAUTIONS ...............................................127

Page 3868 of 5121

NISSAN TEANA 2008 Service Manual SE-4
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ................................................................
127
Precaution Necessary for Steerin

Page 3869 of 5121

NISSAN TEANA 2008 Service Manual DIAGNOSIS AND REPAIR WORK FLOW
SE-5
< BASIC INSPECTION >[WITH VENTILATION SEAT]
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work FlowINFOID:0000000003809297
DETAILE

Page 3870 of 5121

NISSAN TEANA 2008 Service Manual SE-6
< FUNCTION DIAGNOSIS >[WITH VENTILATION SEAT]
POWER SEAT
FUNCTION DIAGNOSIS
POWER SEAT
System DescriptionINFOID:0000000003809302
BCM can operate regardless of the ignition switch position, becaus

Page 3871 of 5121

NISSAN TEANA 2008 Service Manual POWER SEAT
SE-7
< FUNCTION DIAGNOSIS >[WITH VENTILATION SEAT]
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Component DescriptionINFOID:0000000003809304
10. Ottoman motor B445
A. View with seat cushion pad and seat

Page 3872 of 5121

NISSAN TEANA 2008 Service Manual SE-8
< FUNCTION DIAGNOSIS >[WITH VENTILATION SEAT]
HEATED SEAT
HEATED SEAT
System DiagramINFOID:0000000003820817
System DescriptionINFOID:0000000003820814
The heated seat system is controlled by the

SE-8
< FUNCTION DIAGNOSIS >[WITH VENTILATION SEAT]
HEATED SEAT
HEATED SEAT
System DiagramINFOID:0000000003820817
System DescriptionINFOID:0000000003820814
The heated seat system is controlled by the ventilation seat control unit.
The heated seat system consists of the heated seat switch, the heater unit and the ventilation seat control
unit.
The function of the heated seat system is to warm the seat surface.
The heated seat system has a LO and HI mode that can be switched back and forth. The LO mode warms
the seat surface slowly and the HI mode warms it quickly.
The indicator on the heated seat switch indicates the operating 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 heated seat is being operated, the heated seat system restarts at the same warmness as
the previous operation.
For the rear seat, when the ignition switch turns ON again after turning OFF, while the heated seat is being
operated, the heated seat system does not restart and stays in the OFF position.
While the heated seat system is being operated, the ventilation seat system becomes invalid.
LO MODE OPERATION
When the LO button of the heated seat switch is pressed, while the ignition switch is ON, the ventilation seat
control unit supplies the seat heater with the LO mode power supply and simultaneously illuminates the LO
mode indicator in the heated seat switch.
The seat heater warms the seat cushion and seatback to a low temperature by the LO mode power supply.
When the LO button is pressed again, while the heated seat switch is in the LO mode position, the indicator
and the heated seat switch turn OFF.
HI MODE OPERATION
When the HI button of the heated seat switch is pressed, while the ignition switch is ON, the Ventilation and
Heated seat control unit supplies the seat heater with the HI mode power supply and simultaneously illumi-
nates the HI mode indicator in the heated seat switch.
The seat heater warms the seat cushion and seatback to a high temperature by the HI mode power supply.
When the HI button is pressed again, while the heated seat switch is in the HI mode position, the indicator
and the heated seat switch turn OFF.
FA I L - S A F E
The fail-safe function is adopted for the ventilation seat control unit. Refer to SE-59, "FRONT SEAT : Fail-
safe".
JMJIA1932GB

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