Infiniti G35 (V35) Sedan. Manual - part 1140

LIFTING MOTOR

SE-27

< COMPONENT DIAGNOSIS >

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LIFTING MOTOR

Description

INFOID:0000000000960503

With the power supplied to power seat switch, lifting motor operates the up and down movement of seat cush-
ion.

Component Function Check

INFOID:0000000000960504

1.

CHECK LIFTING MOTOR FUNCTION

Check lifting operation with power seat switch.
Is the inspection results normal?

YES

>> Lifting motor is OK.

NO

>> Refer to 

SE-27, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000960505

1.

CHECK MALFUNCTIONING PART

Check which lifting is not operating.
Is it rear or front?

Front

>> GO TO 2.

Rear

>> GO TO 3.

2.

CHECK LIFTING MOTOR (FRONT) POWER SUPPLY AND GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect lifting motor (front) and power seat switch connector.

3.

Check continuity between lifting motor (front) and power seat switch.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace circuit.

3.

CHECK LIFTING MOTOR (REAR) POWER SUPPLY AND GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect lifting motor (rear) and power seat switch connector.

3.

Check continuity between lifting motor (rear) and power seat switch.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace circuit.

4.

CHECK SLIDING MOTOR

Check lifting motor.
Refer to 

SE-28, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

NO

>> Replace lifting motor.

 Lifting motor connector

Terminal

Power seat switch con-

nector

Terminal

Continuity

B417 (Driver side)
B437 (Passenger side)

9

B417 (Driver side)
B437 (Passenger side)

9

Existed

10

10

 Lifting motor connector

Terminal

Power seat switch con-

nector

Terminal

Continuity

B418 (Driver side)
B438 (Passenger side)

7

B418 (Driver side)
B438 (Passenger side)

7

Existed

8

8

SE-28

< COMPONENT DIAGNOSIS >

LIFTING MOTOR

Component Inspection

INFOID:0000000000960506

1.

CHECK LIFTING MOTOR-I

Check visually the lifting motor to see if any foreign object is not disturbing the functionment or if the lifting
motor is not broken.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace seat cushion frame (lifting motor).

2.

CHECK LIFTING MOTOR-II 

1.

Turn ignition switch OFF.

2.

Disconnect lifting motor connector.

3.

Supply lifting motor terminals with battery voltage and check operation.

Is the inspection result normal?

YES

>> Lifting motor is OK.

NO

>> Replace seat cushion frame (lifting motor).

Item

Terminal

Operation

(+)

(–)

Lifting motor (front)

9

10

Up

10

9

Down

Lifting motor (rear)

7

8

Up

8

7

Down

TILT&TELESCOPIC MOTOR

SE-29

< COMPONENT DIAGNOSIS >

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TILT&TELESCOPIC MOTOR

Description

INFOID:0000000000960507

Tilt and telescopic motor operates with the power received from automatic drive positioner control unit.

Component Function Check

INFOID:0000000000960508

1.

CHECK TILT AND TELESCOPIC MOTOR FUNCTION

Check tilt and telescopic operation with tilt and telescopic switch.

Is the inspection results normal?

YES

>> Tilt and telescopic motor are OK.

NO

>> Refer to 

SE-29, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000960509

1.

CHECK MALFUNCTIONING PART

Check malfunctioning part.

Is it tilt operation or telescopic operation?

Tilt

>> GO TO 2.

Telescopic>>GO TO 3.

2.

CHECK TILT MOTOR POWER SUPPLY AND GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect tilt motor and automatic drive positioner control unit.

3.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace circuit.

3.

CHECK TELESCOPIC MOTOR POWER SUPPLY AND GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect telescopic motor and automatic drive positioner control unit.

3.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace circuit.

4.

CHECK TILT AND TELESCOPIC MOTOR

Check tilt and telescopic motor.
Refer to 

SE-30, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace tilt and telescopic motor.

5.

CHECK ADP CONTROL UNIT

 Tilt and telescopic motor 

connector

Terminal

Power seat switch con-

nector

Terminal

Continuity

M49

3

M52

42

Existed

4

35

 Tilt and telescopic motor 

connector

Terminal

Power seat switch con-

nector

Terminal

Continuity

M49

1

M52

44

Existed

2

36

SE-30

< COMPONENT DIAGNOSIS >

TILT&TELESCOPIC MOTOR

1.

Connect automatic drive positioner control unit connector.

2.

Check voltage between automatic drive positioner control unit and ground.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

NO

>> Replace automatic drive positioner control unit. Refer to 

SE-107, "Removal and Installation"

.

Component Inspection

INFOID:0000000000960510

1.

CHECK TILT AND TELESCOPIC MOTOR-I

Check visually the tilt and telescopic motor to see if any foreign object is not disturbing the functionment or if
the tilt and telescopic motor is not broken.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace tilt and telescopic motor.

2.

CHECK TILT AND TELESCOPIC MOTOR-II 

1.

Turn ignition switch OFF.

2.

Disconnect tilt and telescopic motor connector.

3.

Supply tilt and telescopic motor terminals with battery voltage and check operation.

Is the inspection result normal?

YES

>> Tilt and telescopic motor is OK.

NO

>> Replace tilt and telescopic motor.

 Tilt and telescopic switch 

Ground

Tilt and telescopic switch 

condition

Voltage (V)

Approx.

Connector

Terminal

M51

35

Upward

Battery voltage

Other than above

0

36

Forward

Battery voltage

Other than above

0

42

Downward

Battery voltage

Other than above

0

44

Backward

Battery voltage

Other than above

0

Item

Terminal

Operation

(+)

(–)

Telescopic motor

1

2

Backward

2

1

Forward

Tilt motor

3

4

Downward

4

3

Upward