Infiniti G37 Coupe. Manual - part 1102

 

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Infiniti G37 Coupe. Manual - part 1102

 

 

SE-76

< COMPONENT DIAGNOSIS >

LIFTING MOTOR

LIFTING MOTOR

FRONT

FRONT : Description

INFOID:0000000001694120

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

FRONT : Component Function Check

INFOID:0000000001694121

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-76, "FRONT : Diagnosis Procedure"

.

FRONT : Diagnosis Procedure

INFOID:0000000001694122

1.

CHECK LIFTING MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect lifting motor connector and power seat switch connector.

3.

Check continuity between lifting motor harness connector and power seat switch harness connector.

Driver side

Passenger side

4.

Check continuity between lifting motor harness connector and ground.

Driver side

Passenger side

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace circuit.

2.

CHECK LIFTING MOTOR

Check lifting motor.
Refer to 

SE-77, "FRONT : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

NO

>> Replace lifting motor. (Built in seat cushion frame.)

 Lifting motor connector

Terminal

Power seat switch con-

nector

Terminal

Continuity

B528

13

B511

13

Existed

28

28

 Lifting motor connector

Terminal

Power seat switch con-

nector

Terminal

Continuity

B569

13

B554

13

Existed

28

28

 Lifting motor connector

Terminal

Ground

Continuity

B528

13

Ground

Not existed

28

 Lifting motor connector

Terminal

Ground

Continuity

B569

13

Ground

Not existed

28

LIFTING MOTOR

SE-77

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

FRONT : Component Inspection

INFOID:0000000001694123

1.

CHECK LIFTING MOTOR-1

Check visually the lifting motor to see if any foreign object is not disturbing the functioning 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-2

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 lifting motor. (Built in seat cushion frame.)

REAR

REAR : Description

INFOID:0000000001826422

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

REAR : Component Function Check

INFOID:0000000001826423

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-77, "REAR : Diagnosis Procedure"

.

REAR : Diagnosis Procedure

INFOID:0000000001826424

1.

CHECK LIFTING MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect lifting motor connector and power seat switch connector.

3.

Check continuity between lifting motor harness connector and power seat switch harness connector.

Driver side

Passenger side

4.

Check continuity between lifting motor harness connector and ground.

Item

Terminal

Operation

(+)

(–)

Lifting motor

28

13

Up

13

28

Down

 Lifting motor connector

Terminal

Power seat switch con-

nector

Terminal

Continuity

B530

14

B511

14

Existed

29

29

 Lifting motor connector

Terminal

Power seat switch con-

nector

Terminal

Continuity

B570

14

B554

14

Existed

29

29

SE-78

< COMPONENT DIAGNOSIS >

LIFTING MOTOR

Driver side

Passenger side

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace circuit.

2.

CHECK LIFTING MOTOR

Check lifting motor.
Refer to 

SE-78, "REAR : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

NO

>> Replace lifting motor. (Built in seat cushion frame.)

REAR : Component Inspection

INFOID:0000000001826425

1.

CHECK LIFTING MOTOR-1

Check visually the lifting motor to see if any foreign object is not disturbing the functioning 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-2

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 lifting motor. (Built in seat cushion frame.)

 Lifting motor connector

Terminal

Ground

Continuity

B530

14

Ground

Not existed

29

 Lifting motor connector

Terminal

Ground

Continuity

B570

14

Ground

Not existed

29

Item

Terminal

Operation

(+)

(–)

Lifting motor

29

14

Up

14

29

Down

TILT&TELESCOPIC MOTOR

SE-79

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

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SE

N

O

P

TILT&TELESCOPIC MOTOR

Description

INFOID:0000000001694124

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

Component Function Check

INFOID:0000000001694125

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-79, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001694126

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 CIRCUIT

1.

Turn ignition switch OFF.

2.

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

3.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace circuit.

3.

CHECK TELESCOPIC MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

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

3.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace circuit.

4.

CHECK ADP CONTROL UNIT

1.

Connect automatic drive positioner control unit connector.

2.

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

 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

 

 

 

 

 

 

 

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