Infiniti FX35 / FX45. Manual - part 931

 

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Infiniti FX35 / FX45. Manual - part 931

 

 

SE-82

< SERVICE INFORMATION >

AUTOMATIC DRIVE POSITIONER

• When voltage signal dose not appear with a constant voltage (approx. 5V), replace automatic

driver seat control unit.

• When voltage signal dose not appear with a constant voltage (approx. 0V), replace driver seat

control unit.

4.

CHECK DRIVER SEAT CONTROL UNIT

Dose the automatic drive positioner operate, when the driver seat control unit exchanged?

Does seat memory function operate?

YES

>> Replace automatic drive positioner control unit.

NG

>> Replace driver seat control unit. 

Check Lumbar Support Circuit

INFOID:0000000001328144

1.

CHECK LUMBAR SUPPORT SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect lumbar support switch connector.

3.

Check voltage between lumbar support switch connector B158
terminal 1 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace harness between fuse block (J/B) and

lumbar support switch. 

2.

CHECK LUMBAR SUPPORT SWITCH

Lumbar support switch operate, check continuity lumbar support switch connector B158 terminal 31, 32 and 1,
16B.

OK or NG

OK

>> GO TO 3.

NG

>> Replace lumbar support switch.

3.

CHECK LUMBAR SUPPORT MOTOR HARNESS

1.

Disconnect lumbar support motor connector.

2.

Check continuity between lumbar support switch connector
B158 terminal 31, 32 and lumbar support motor connector B172
terminal 31, 32.

3.

Check continuity between lumbar support switch connector
B158 terminal 31, 32 and ground.

1 (R) – Ground:

: Battery voltage

PIIB8600E

Con-

nector

Terminal

Lumbar support switch

 condition

Continuity

B158

31

1

BACKWARD

Yes

16B

Other than above

No

32

1

FORWARD

Yes

16B

Other than above

No

PIIB8601E

31 (W) 

 31 (W)

: Continuity should exist.

32 (L) 

 32 (L)

: Continuity should exist.

31 (W) 

 Ground

: Continuity should not exist.

32 (L) 

 Ground

: Continuity should not exist.

PIIB8602E

AUTOMATIC DRIVE POSITIONER

SE-83

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

SE

N

O

P

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between lumbar support switch and lumbar support motor.

4.

CHECK LUMBAR SUPPORT SWITCH GROUND CIRCUIT

Check continuity between lumbar support switch connector B158
terminal 16B and ground.

OK or NG

OK

>> Check the condition of the harness and connector.

NG

>> Repair or replace harness between lumbar support

switch and ground. 

16B (B) – Ground

: Continuity should exist.

PIIB8603E

SE-84

< SERVICE INFORMATION >

POWER SEAT

POWER SEAT

Wiring Diagram - SEAT -

INFOID:0000000001328145

TIWM1705E

POWER SEAT

SE-85

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

SE

N

O

P

TIWM1717E

 

 

 

 

 

 

 

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