Infiniti M35/M45 Y50. Manual - part 1063

AUTOMATIC DRIVE POSITIONER

SE-49

C

D

E

F

G

H

J

K

L

M

A

B

SE

Check Rear Lifting Motor Circuit 

NIS0026A

1. 

CHECK REAR SEAT LIFTING MECHANISM

Check the following.

●

Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign mate-
rials

●

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

●

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 LIFTER RR” in ACTIVE TEST.

OK or NG

OK

>> Rear lifting motor circuit is OK.

NG

>> GO TO 3.

3. 

CHECK REAR LIFTING MOTOR CIRCUIT HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit and rear lifting motor connector.

3.

Check continuity between driver seat control unit connector and rear 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.

Test item

Description

SEAT LIFTER

RR

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

PIIA0274E

A

B

Continuity 

Driver seat control 

unit connector

Terminal

Rear lifting motor 

connector

Terminal

B205

38

B210

38

Yes

39

39

A

Ground

Continuity 

Driver seat control 

unit connector

Terminal

B205

38

No

39

PIIB6138E

SE-50

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 rear lifting motor.

NG

>> Replace driver seat control unit.

Check Telescopic Motor Circuit 

NIS0026B

1. 

CHECK STEERING WHEEL TELESCOPIC MECHANISM

Check following.

●

Operation malfunction caused by steering wheel telescopic mechanism deformation or pinched harness
or other foreign materials

●

Operation malfunction and interference with other parts by poor installation

OK or NG

OK

>> GO TO 2.

NG

>> Repair the malfunctioning part and check again.

2. 

CHECK FUNCTION

 With CONSULT-II

Check operation with “TELESCO MOTOR” in ACTIVE TEST.

OK or NG

OK

>> Steering telescopic motor circuit is OK.

NG

>> GO TO 3.

Driver 

seat 

control 

unit 

connector

Terminals

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B205

38

Ground

Lifting switch (rear) ON
(UP operation)

Battery voltage

Other than above

0

39

Lifting switch (rear) ON
(DOWN operation)

Battery voltage

Other than above

0

PIIB6139E

Test item

Description

TELESCO
MOTOR

The telescopic motor is activated by receiving the drive signal.

PIIA0277E

AUTOMATIC DRIVE POSITIONER

SE-51

C

D

E

F

G

H

J

K

L

M

A

B

SE

3. 

CHECK TELESCOPIC MOTOR HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect automatic drive positioner control unit and tilt motor and telescopic motor connector.

3.

Check continuity between automatic drive positioner control unit connector and tilt motor and telescopic
motor connector.

4.

Check continuity between automatic drive positioner control unit
connector and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between automatic drive positioner control unit and tilt motor and tele-

scopic motor.

4. 

CHECK BCM OUTPUT SIGNAL

1.

Connect the automatic drive positioner control unit connector.

2.

Check voltage between automatic drive positioner control unit connector and ground.

OK or NG

OK

>> Replace tilt and telescopic motor.

NG

>> Replace automatic drive positioner control unit.

Check Tilt Motor Circuit 

NIS0026C

1. 

CHECK STEERING WHEEL TILT MECHANISM

Check following.

●

Operation malfunction caused by steering wheel tilt mechanism deformation or pinched harness and
other foreign materials

●

Operation malfunction and interference with other parts by poor installation

OK or NG

OK

>> GO TO 2.

NG

>> Repair the malfunctioning part.

A

B

Continuity 

Automatic drive 

positioner control 

unit connector

Terminal

Telescopic   motor 

connector

Terminal

M7

36

M45

1

Yes

44

2

A

Ground

Continuity 

Automatic drive posi-

tioner control unit con-

nector

Terminal

M7

36

No

44

PIIB6140E

Automatic drive 

positioner control 

unit connector

Terminals

Telescopic switch 

condition

Voltage (V) 

(Approx.)

(+)

(–)

M7

36

Ground

FORWARD

Battery voltage

Other than above

0

44

BACKWARD

Battery voltage

Other than above

0

PIIB6141E

SE-52

AUTOMATIC DRIVE POSITIONER

2. 

CHECK FUNCTION

 With CONSULT-II

Check operation with “TILT MOTOR” in ACTIVE TEST.

OK or NG

OK

>> Steering tilt motor circuit is OK.

NG

>> GO TO 3.

3. 

CHECK TILT MOTOR CIRCUIT HARNESS CONTINUITY

1.

Turn ignition switch OFF. 

2.

Disconnect automatic drive positioner control unit connector and tilt motor connector.

3.

Check continuity between automatic drive positioner control unit
connector and tilt motor connector.

4.

Check continuity between automatic drive positioner control unit
connector and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between automatic drive positioner control unit and tilt motor.

Test item

Description

TILT MOTOR

The tilt motor is activated by receiving the drive signal.

PIIA0280E

A

B

Continuity 

Automatic drive 

positioner control 

unit connector

Terminal

Tilt motor 

connector

Terminal

M7

35

M36

2

Yes

42

1

A

Ground

Continuity 

Automatic drive posi-

tioner control unit con-

nector

Terminal

M7

35

No

42

PIIB6142E