Infiniti FX35, FX50 (S51). Manual — part 1621
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< SYSTEM DESCRIPTION >
POWER SEAT
SYSTEM DESCRIPTION
POWER SEAT
System Description
INFOID:0000000005236596
BCM can operate regardless of the ignition switch position, because battery power is supplied at all times to
power seat switch.
SLIDING OPERATION
While operating the sliding switch located in power seat switch, sliding motor operates and makes the seat
front and back position adjustment possible.
RECLINING OPERATION
While operating the reclining switch located in power seat switch, reclining motor operates and makes the seat
back forward and backward position adjustment possible.
LIFTING OPERATION
While operating the lifting switch located in power seat switch, lifting motor operates and makes the seat cush-
ion up and down position adjustment possible.
Component Parts Location
INFOID:0000000005236597
1.
Sliding switch and lifting switch (driv-
er side) B414
2.
Reclining switch (driver side) B414
3.
Reclining motor (driver side) B415
4.
Lifting motor (rear) (driver side) B418 5.
Lifting motor (front) (driver side)
B417
6.
Sliding motor (driver side) B416
A.
View with seat cushion pad and seat
back pad removed.
B.
Backside of seat cushion
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POWER SEAT
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< SYSTEM DESCRIPTION >
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Component Description
INFOID:0000000005236598
Item
Function
BCM
Supplies at all times the power received from battery to power seat switch
Power seat switch
Built-in reclining switch, sliding switch and lifting switch, and controls the power supplied to each
motor
Reclining motor
With the power supplied from power seat switch, operates forward and backward movement of
seatback
Sliding motor
With the power supplied from power seat switch, operates forward and backward slide of seat
Lifting motor (front/rear)
With the power supplied from power seat switch, operates up and down movement of seat cushion
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< SYSTEM DESCRIPTION >
SIDE SUPPORT
SIDE SUPPORT
System Description
INFOID:0000000005236599
• While operating the side support switch, the pump located inside side support unit operates and adjusts the
air pressure in seat cushion and seatback side support.
• It is possible to soften the side support by allowing some air to escape or 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:0000000005236600
Component Description
INFOID:0000000005236601
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1.
Side support (seat cushion)
(Side support unit B467)
2.
Side support (seat back)
(Side support unit B467)
3.
Side support unit B467
4.
Side support switch (seat back side)
B464
5.
Side support switch (cushion side)
B464
A.
View with seat cushion pad and seat
back pad removed.
Item
Function
Side support switch
With a built-in cushion side and seat back side, and controls the power supplied to pump and to
each solenoid.
Side support unit
Built-in pump, pump relay, and solenoid, and operates when pressing ON/OFF on side support
switch.
LUMBAR SUPPORT
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< SYSTEM DESCRIPTION >
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LUMBAR SUPPORT
System Description
INFOID:0000000005236602
• Lumbar support can operate regardless of the ignition switch position because battery power is supplied to it
at all times.
• While operating the lumbar support switch, lumbar support motor operates which allows forward and back-
ward operation of seatback support.
Component Parts Location
INFOID:0000000005236603
Component Description
INFOID:0000000005236604
1.
Lumbar support switch B457
2.
Lumbar support motor B458
A.
View with seat back pad removed
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Item
Function
Lumbar support switch
Controls the power supplied to lumbar support motor
Lumbar support motor
With the power supplied from lumbar support switch, operates forward and backward
movement of seatback support device
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