Infiniti M35/M45 Y50. Manual - part 1069

AUTOMATIC DRIVE POSITIONER

SE-73

C

D

E

F

G

H

J

K

L

M

A

B

SE

Check Lifting Switch (Front) Circuit 

NIS0026N

1. 

CHECK FUNCTION

 With CONSULT-II

With “LIFT FR SW-UP, LIFT FR SW-DN” on the DATA MONITOR,
operate the lifting switch (front) to check ON/OFF operation.

 Without CONSULT-II

1.

Turn ignition switch OFF.

2.

Check voltage between driver seat control unit connector and
ground.

OK or NG

OK

>> Lifting switch (front) circuit is OK.

NG

>> GO TO 2.

Monitor item [OPERA-

TION or UNIT]

Contents

LIFT FR SW–
DN

"ON/

OFF"

ON / OFF status judged from the FR lifter switch 
(DOWN) signal is displayed.

LIFT FR SW–
UP

"ON/

OFF"

ON / OFF status judged from the FR lifter switch (UP) 
signal is displayed.

PIIA0323E

Driver seat 
control unit 

connector

Terminals 

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B204

13

Ground

Lifting switch (front) ON
(DOWN operation)

0

Other than above

Battery voltage

28

Lifting switch (front) ON 
(UP operation)

0

Other than above

Battery voltage

PIIB6174E

SE-74

AUTOMATIC DRIVE POSITIONER

2. 

CHECK LIFTING SWITCH (FRONT) CIRCUIT HARNESS CONTINUITY

1.

Disconnect driver seat control unit and power seat switch connector.

2.

Check continuity between driver seat control unit connector and
power seat switch connector.

3.

Check continuity between driver seat control unit connector and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3. 

CHECK LIFTING SWITCH (FRONT)

Check continuity between power seat switch as follows.

OK or NG

OK

>> Replace driver seat control unit.

NG

>> Replace power seat switch.

A

B

Continuity 

Driver seat control 

unit connector

Terminal

Power seat switch 

connector

Terminal

B204

13

B213

13

Yes

28

28

A

Ground

Continuity 

Driver seat control unit 

connector

Terminal

B204

13

No

28

PIIB6175E

Power seat 

switch

Terminals Condition

Continuity

B213

13

32

Lifting switch (front) ON
(DOWN operation)

Yes

Other than above

No

28

Lifting switch (front) ON 
(UP operation)

Yes

Other than above

No

PIIB6176E

AUTOMATIC DRIVE POSITIONER

SE-75

C

D

E

F

G

H

J

K

L

M

A

B

SE

Check Lifting Switch (Rear) Circuit 

NIS0026O

1. 

CHECK FUNCTION

 With CONSULT-II

With “LIFT RR SW-UP, LIFT RR SW-DN” on the DATA MONITOR,
operate the lifting switch (rear) to check ON/OFF operation.

 Without CONSULT-II

1.

Turn ignition switch OFF.

2.

Check voltage between driver seat control unit connector and
ground.

OK or NG

OK

>> Lifting switch (rear) circuit is OK.

NG

>> GO TO 2.

Monitor item [OPERATION or 

UNIT]

Contents

LIFT RR SW–UP

“ON/OFF”

Operation (ON)/open (OFF) status judged 
from the RR lifter switch (UP) signal is dis-
played.

LIFT RR SW–DN

“ON/OFF”

Operation (ON)/open (OFF) status judged 
from the RR lifter switch (DOWN) signal is 
displayed.

PIIA0323E

Driver 

seat con-

trol unit 

connector

Terminals

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B204

14

Ground

Lifting switch (rear) ON
(DOWN operation)

0

Other than above

Battery voltage

29

Lifting switch (rear) ON 
(UP operation)

0

Other than above

Battery voltage

PIIB6177E

SE-76

AUTOMATIC DRIVE POSITIONER

2. 

CHECK LIFTING SWITCH (REAR) CIRCUIT HARNESS CONTINUITY

1.

Disconnect driver seat control unit and power seat switch connector.

2.

Check continuity between driver seat control unit connector and
power seat switch connector. 

3.

Check continuity between driver seat control unit connector and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3. 

CHECK LIFTING SWITCH (REAR)

Check continuity between power seat switch as follows.

OK or NG

OK

>> Replace driver seat control unit.

NG

>> Replace power seat switch.

Check Power Seat Switch Ground Circuit 

NIS0026P

1. 

CHECK POWER SEAT SWITCH GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch connector.

3.

Check continuity between power seat switch connector and
ground.

OK or NG

OK

>> Replace driver seat control unit.

NG

>> Repair or replace harness.

A

B

Continuity 

Driver seat control 

unit connector

Terminal

Power seat switch 

connector

Terminal

B204

14

B213

14

Yes

29

29

A

Ground

Continuity 

Driver seat control unit 

connector

Terminal

B204

14

No

29

PIIB6178E

Power seat 

switch

Terminals

Condition

Continuity

B213

14

32

Lifting switch (rear) ON
(DOWN operation)

Yes

Other than above

No

29

Lifting switch (rear) ON 
(UP operation)

Yes

Other than above

No

PIIB6179E

Power seat switch 

connector

Terminal

Ground

Continuity

B213

32

Yes

PIIB6180E