Nissan Teana J32. Manual — part 971

HEATED SEAT SWITCH

SE-17

< COMPONENT DIAGNOSIS >

[WITH VENTILATION SEAT]

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace rear ventilation seat control unit. Refer to

SE-100, "Disassembly and Assembly"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to

GI-35, "Intermittent Incident"

.

>> INSPECTION END

REAR SEAT : Component Inspection

INFOID:0000000003847097

1.

CHECK HEATED SEAT SWITCH

1.

Turn ignition OFF.

2.

Disconnect rear heated seat switch connector.

3.

Check rear heated seat switch terminals.

Is the inspection result normal?

YES

>> Rear heated seat switch is OK.

NO

>> Replace rear heated seat switch. Refer to

SE-105, "REAR SEAT : Removal and Installation"

.

(+)

(–)

Voltage (V)

(Approx.)

Rear ventilation seat control unit

Connector

Terminal

LH

LO

B490

52

Ground

Battery voltage

HI

51

RH

LO

B501

52

HI

51

Rear heated seat switch

Terminal

Condition

Continuity

LH

B494

2

3

Rear heated seat switch

LO mode

Pressed

Existed

Released

Not existed

1

HI mode

Pressed

Existed

Released

Not existed

RH

B505

2

3

Rear heated seat switch

LO mode

Pressed

Existed

Released

Not existed

1

HI mode

Pressed

Existed

Released

Not existed

SE-18

< COMPONENT DIAGNOSIS >

[WITH VENTILATION SEAT]

VENTILATION SEAT SWITCH

VENTILATION SEAT SWITCH

FRONT SEAT

FRONT SEAT : Description

INFOID:0000000003825956

Switches the LO or HI air flow of the front ventilation seat and turns OFF the front ventilation seat operation.

FRONT SEAT : Component Function Check

INFOID:0000000003825957

1.

CHECK FUNCTION

Check that the related indicator lamp illuminates when front ventilation seat switch is set to LO or HI position.

Is the inspection result normal?

YES

>> Front ventilation seat switch function is OK.

NO

>> Refer to

SE-18, "FRONT SEAT : Diagnosis Procedure"

.

FRONT SEAT : Diagnosis Procedure

INFOID:0000000003847164

1.

CHECK FRONT VENTILATION SEAT CONTROL UNIT INPUT SIGNAL

1.

Turn ignition switch ON.

2.

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

Is the inspection result normal?

YES

>> Front ventilation seat switch circuit is OK.

NO-1

>> LO or HI mode is NG: GO TO 2.

NO-2

>> LO and HI modes are NG: GO TO 3.

2.

CHECK FRONT VENTILATION SEAT SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front ventilation seat switch connector and front ventilation seat control unit connector.

3.

Check continuity between front ventilation seat switch harness connector and front ventilation seat control
unit harness connector.

4.

Check continuity between front ventilation seat switch harness connector and ground.

(+)

(–)

Condition

Voltage (V)

(Approx.)

Front ventilation seat control unit

Connector

Terminal

Driver side

B466

48

Ground

Front ventilation seat switch

LO mode

Pressed

0

Released

Battery voltage

47

HI mode

Pressed

0

Released

Battery voltage

Passenger side

B442

48

Front ventilation seat switch

LO mode

Pressed

0

Released

Battery voltage

47

HI mode

Pressed

0

Released

Battery voltage

Front ventilation seat switch

Front ventilation seat control unit

Continuity

Connector

Terminal

Connector

Terminal

Driver side

LO

M208

2

B446

48

Existed

HI

1

47

Passenger side

LO

M209

2

B442

48

HI

1

47

VENTILATION SEAT SWITCH

SE-19

< COMPONENT DIAGNOSIS >

[WITH VENTILATION SEAT]

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK FRONT VENTILATION SEAT SWITCH

Check front ventilation seat switch.
Refer to

SE-20, "FRONT SEAT : Component Inspection"

.

Is the inspection result normal?

YES-1 >> LO or HI mode is NG: GO TO 5.
YES-2 >> LO and HI modes are NG: GO TO 4.
NO

>> Replace front ventilation seat switch. Refer to

SE-106, "FRONT SEAT : Removal and Installation"

.

4.

CHECK FRONT VENTILATION SEAT SWITCH GROUND CIRCUIT

Check continuity front ventilation seat switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

5.

CHECK FRONT VENTILATION SEAT CONTROL UNIT OUTPUT SIGNAL

1.

Connect front ventilation seat control unit connector.

2.

Turn ignition switch ON.

3.

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

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace front ventilation seat control unit. Refer to

SE-93, "Disassembly and Assembly"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to

GI-35, "Intermittent Incident"

.

>> INSPECTION END

Front ventilation seat switch

Ground

Continuity

Connector

Terminal

Driver side

LO

M208

2

Not existed

HI

1

Passenger side

LO

M209

2

HI

1

Front ventilation seat switch

Ground

Continuity

Connector

Terminal

Driver side

M208

3

Existed

Passenger side

M209

(+)

(–)

Voltage (V)

(Approx.)

Front ventilation seat control unit

Connector

Terminal

Driver side

LO

B466

48

Ground

Battery voltage

HI

47

Passenger side

LO

B442

48

HI

47

SE-20

< COMPONENT DIAGNOSIS >

[WITH VENTILATION SEAT]

VENTILATION SEAT SWITCH

FRONT SEAT : Component Inspection

INFOID:0000000003847165

1.

CHECK FRONT VENTILATION SEAT SWITCH

1.

Turn ignition OFF.

2.

Disconnect front ventilation seat switch connector.

3.

Check front ventilation seat switch terminals.

Is the inspection result normal?

YES

>> Front ventilation seat switch is OK.

NO

>> Replace front ventilation seat switch. Refer to

SE-106, "FRONT SEAT : Removal and Installation"

.

REAR SEAT

REAR SEAT : Description

INFOID:0000000003843435

Switches the LO or HI air flow of the rear ventilation seat and turns OFF the rear ventilation seat operation.

REAR SEAT : Component Function Check

INFOID:0000000003843436

1.

CHECK FUNCTION

Check that the related indicator lamp illuminates when rear ventilation seat switch is set to LO or HI position.

Is the inspection result normal?

YES

>> Rear ventilation seat switch function is OK.

NO

>> Refer to

SE-20, "REAR SEAT : Diagnosis Procedure"

.

REAR SEAT : Diagnosis Procedure

INFOID:0000000003847166

1.

CHECK REAR VENTILATION SEAT CONTROL UNIT INPUT SIGNAL

1.

Turn ignition switch ON.

2.

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

Is the inspection result normal?

Front ventilation seat switch

Terminal

Condition

Continuity

Driver side

M208

2

3

Front ventilation seat switch

LO mode

Pressed

Existed

Released

Not existed

1

HI mode

Pressed

Existed

Released

Not existed

Passenger side

M209

2

3

Front ventilation seat switch

LO mode

Pressed

Existed

Released

Not existed

1

HI mode

Pressed

Existed

Released

Not existed

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear ventilation seat control unit

Connector

Terminal

LH

B490

48

Ground

Rear ventilation seat switch

LO mode

Pressed

0

Released

Battery voltage

47

HI mode

Pressed

0

Released

Battery voltage

RH

B501

48

Rear ventilation seat switch

LO mode

Pressed

0

Released

Battery voltage

47

HI mode

Pressed

0

Released

Battery voltage