Infiniti G37 Coupe. Manual - part 1088

 

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Infiniti G37 Coupe. Manual - part 1088

 

 

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< FUNCTION DIAGNOSIS >

POWER SEAT FOR PASSENGER SIDE

POWER WALK-IN FUNCTION : Component Description

INFOID:0000000001837455

CONTROL UNITS

INPUT PARTS

Switches

Sensors

OUTPUT PARTS

1.

BCM M118, M119

2.

Power walk-in switch B557

3.

Sliding, lifting switch
(Power seat switch B554)

4.

Reclining switch
(Power seat switch B554)

5.

Sliding switch (seat back) B561

6.

Seat belt buckle switch (passenger 
side) B213

7.

Forward switch B556

8.

Reclining relay (forward) B562

9.

Sliding relay (backward) B560

10. Reclining motor B566

11.

Sliding relay (forward) B559

12. Reclining relay (backward) B563

13. Door switch (passenger side) B216

14. Sliding limit switch B558

15.

Passenger seat control unit B552, 
B553

16. Sliding sensor B568

17. Lifting motor (front) B569

18. Sliding motor B567

19. Lifting motor (rear) B570

A.

Dash side lower (passenger side)

B.

View with seat back pad is removed. C.

View with seat back pad is removed.

D.

Back side of seat cushion.

Item

Function

Passenger seat control unit

Operates the sliding motor with the signal from the power seat switch.

Item

Function

Front door switch (passenger side)

Detect front door (passenger side) open/close status. 

Power walk-in switch

Perform the power walk-in operation by operating the power walk-in switch.

Sliding limit switch

Detect the front end position of seat sliding during the power walk-in function front-
ward operation.

Seat belt buckle switch

Detect the seat belt fastening/releasing condition.

Forward switch

Detect the folded up/folded down condition of seatback that is the operation condi-
tion of power walk-in function.

Item

Function

Sliding sensor

Detect the frontward/rearward position of seat.

Item

Function

Sliding motor

Slide the seat frontward/rearward.

TILT&TELESCOPIC SYSTEM

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< FUNCTION DIAGNOSIS >

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TILT&TELESCOPIC SYSTEM

System Diagram

INFOID:0000000001734687

System Description

INFOID:0000000001694080

Power from battery is supplied at all times to automatic driver positioner control unit, tilt & telescopic system
can operate regardless of the ignition switch position.

TILT OPERATION

• While operating the tilt & telescopic switch, tilt motor operates, and allows up or down position adjustment of

steering wheel.

• During tilt motor operation tilt sensor detects the position of steering wheel and automatically cuts the power

when the operation limit is reached.

TELESCOPIC OPERATION

• Operating the tilt & telescopic switch, telescopic motor operates and allows forward and backward position

regulation of steering wheel.

• During telescopic motor operation telescopic sensor detects the position of steering wheel and automatically

cuts the power when the operation limit is reached.

JMJIA0924GB

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< FUNCTION DIAGNOSIS >

TILT&TELESCOPIC SYSTEM

Component Parts Location

INFOID:0000000001694081

Component Description

INFOID:0000000001694082

JMJIA0188ZZ

1.

Automatic drive positioner control 
unit M51, M52

2.

Tilt & telescopic switch M31

3.

Telescopic sensor M48

4.

Tilt sensor M48

5.

Telescopic motor M49

6.

Tilt motor M49

A.

View with instrument driver lower 
panel is removed.

B.

Steering column cover

C.

View with steering column cover is re-
moved.

D.

View with steering column cover is 
removed.

E.

View with instrument lower cover is 
removed.

Item

Function

Automatic drive positioner control unit

Detects data input signal of tilt & telescopic switch and tilt & telescopic sensor, performs 
tilt & telescopic motor control.

Tilt & telescopic switch

Tilt switch and telescopic switch, as a unit, transmit switch operation signal to automatic 
drive positioner control unit.

Tilt & telescopic motor

Operates with the power received from automatic drive positioner control unit.

Tilt & telescopic sensor

Detects the position of steering, send signal to automatic drive positioner control unit. 

SIDE SUPPORT UNIT

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< FUNCTION DIAGNOSIS >

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SIDE SUPPORT UNIT

System Description

INFOID:0000000001728895

• While operating the side support switch, the pump located inside side support unit operates and adjust the

air pressure in seat cushion and seatback side support.

• It is possible to soften the side support, by allowing some air to escape, by deflating the solenoid located

inside side support. 

• It is possible to adjust seat cushion and seatback differently while inflating or deflating solenoid located in

side support unit.

Component Parts Location

INFOID:0000000001728896

Component Description

INFOID:0000000001728897

JMJIA0945ZZ

1.

Side support (seat cushion)
(Side support unit B509)

2.

Side support (seat back)
(Side support unit B509)

3.

Side support unit B509

4.

Side support switch (seat back side)
B508

5.

Side support switch (cushion side)
B508

A.

View with seat cushion pad and seat 
back pad are removed.

Item

Function

Side support switch

With a built-in cushion side and seat back side, controls the power supplied to pump and to each 
solenoid.

Side support unit

Built-in pump, pump relay and solenoid, operates when pressing ON/OFF on side support switch. 

 

 

 

 

 

 

 

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