Infiniti M35/M45 Y50. Manual - part 1062

AUTOMATIC DRIVE POSITIONER

SE-45

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Check Sliding Motor Circuit 

NIS00267

1. 

CHECK SEAT SLIDING MECHANISM

Check the following.

●

Operation malfunction caused by sliding rail deformation, pinched harness or other foreign materials

●

Operation malfunction caused by foreign materials adhered to the sliding motor or sliding rail connector
rod

●

Operation malfunction and interference with other parts by poor installation

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace the malfunctioning part and check again.

2. 

CHECK FUNCTION

 With CONSULT-II

Check operation with “SEAT SLIDE” in ACTIVE TEST. 

OK or NG

OK

>> Sliding motor circuit is OK.

NG

>> GO TO 3.

3. 

CHECK SLIDING MOTOR CIRCUIT HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit and sliding motor connector.

3.

Check continuity between driver seat control unit connector and sliding motor connector.

4.

Check continuity between driver seat control unit connector and
ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

Test item

Description

SEAT SLIDE

The sliding motor is activated by receiving the drive signal.

PIIA0265E

A

B

Continuity 

Driver seat control 

unit connector

Terminal

Sliding motor

connector

Terminal

B205

35

B207

35

Yes

42

42

A

Ground

Continuity 

Driver seat control unit   

connector

Terminal

B205

35

No

42

PIIB6132E

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AUTOMATIC DRIVE POSITIONER

4. 

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

1.

Connect the driver seat control unit connector.

2.

Check voltage between driver seat control unit connector and
ground.

OK or NG

OK

>> Replace sliding motor.

NG

>> Replace driver seat control unit.

Check Reclining Motor Circuit 

NIS00268

1. 

CHECK SEAT RECLINING MECHANISM

Check the following.

●

Operation malfunction caused by an interference with the center pillar or center console

●

Operation malfunction and interference with other parts by poor installation

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace the malfunctioning part and check again.

2. 

CHECK FUNCTION

 With CONSULT-II

Check operation with “SEAT RECLINING” in ACTIVE TEST. 

OK or NG

OK

>> Reclining motor circuit is OK.

NG

>> GO TO 3.

Driver seat 
control unit 

connector

Terminals 

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B205

35

Ground

Sliding switch ON
(FORWARD operation)

Battery voltage

Other than above

0

42

Sliding switch ON
(BACKWARD operation)

Battery voltage

Other than above

0

PIIB6133E

Test item

Description

SEAT
RECLINING

The reclining motor is activated by receiving the drive signal.

PIIA0268E

AUTOMATIC DRIVE POSITIONER

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3. 

CHECK RECLINING MOTOR CIRCUIT HARNESS CONTINUITY

1.

Turn ignition switch OFF. 

2.

Disconnect driver seat control unit and reclining motor connector.

3.

Check continuity between driver seat control unit connector and reclining motor connector.

4.

Check continuity between driver seat control unit connector and
ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

1.

Connect the driver seat control unit connector.

2.

Check voltage between driver seat control unit connector and
ground.

OK or NG

OK

>> Replace reclining motor.

NG

>> Replace driver seat control unit.

Check Front Lifting Motor Circuit 

NIS00269

1. 

CHECK FRONT END SEAT LIFTING MECHANISM

Check the following.

●

Operation malfunction caused by lifter mechanism deformation, pinched harness or other foreign materi-
als

●

Operation malfunction caused by foreign materials adhered to the front lifting motor or lead screws

●

Operation malfunction and interference with other parts by installation

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace the malfunctioning part and check again.

A

B

Continuity 

Driver seat control 

unit connector

Terminal

Reclining motor 

connector

Terminal

B205

36

B208

36

Yes

44

44

A

Ground

Continuity 

Driver seat control unit 

connector

Terminal

B205

36

No

44

PIIB6134E

Driver seat 
control unit 

connector

Terminals 

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B205

36 

Ground

Reclining switch ON
(FORWARD operation)

Battery voltage

Other than above

0

44

Reclining switch ON
(BACKWARD operation)

Battery voltage

Other than above

0

PIIB6135E

SE-48

AUTOMATIC DRIVE POSITIONER

2. 

CHECK FUNCTION

 With CONSULT-II

Check operation with “SEAT LIFTER FR” in ACTIVE TEST.

OK or NG

OK

>> Front lifting motor circuit is OK.

NG

>> GO TO 3.

3. 

CHECK FRONT LIFTING MOTOR CIRCUIT HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit and front lifting motor connector.

3.

Check continuity between driver seat control unit connector and front lifting motor connector.

4.

Check continuity between driver seat control unit connector and
ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

1.

Connect the driver seat control unit connector.

2.

Check voltage between driver seat control unit connector and
ground.

OK or NG

OK

>> Replace front lifting motor.

NG

>> Replace driver seat control unit.

Test item

Description

SEAT
LIFTER FR

The front lifting motor is activated by receiving the drive signal.

PIIA0271E

A

B

Continuity 

Driver seat control 

unit connector

Terminal

Front lifting motor 

connector

Terminal

B205

37

B209

37

Yes

45

45

A

Ground

Continuity 

Driver seat control unit 

connector

Terminal

B205

37

No

45

PIIB6136E

Driver seat 
control unit 

connector

Terminals

Condition

Voltage (V) 

(Approx)

(+)

(–)

B205

37

Ground

Lifting switch (front) ON
(DOWN operation)

Battery voltage

Other than above

0

45

Lifting switch (front) ON
(UP operation)

Battery voltage

Other than above

0

PIIB6137E