Infiniti EX35. Manual — part 1250
HEATED SEAT
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< FUNCTION DIAGNOSIS >
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HEATED SEAT
System Description
INFOID:0000000003642141
Heated seat is a system that operates when ignition switch is in ON or START position.
HEATER OPERATION
• While operating the heated seat switch, seat cushion heater and seat back heater operate.
• Temperature of seat can be adjusted by operating on heated seat switch.
Component Parts Location
INFOID:0000000003642142
Component Description
INFOID:0000000003642143
1.
Heated seat switch (driver side)
M172
2.
Heated seat switch (passenger side)
M173
3.
Seat back heater
• Driver side B412
• Passenger side B432
4.
Seat cushion heater
• Driver side B412
• Passenger side B432
5.
Heated seat relay M70
A.
Behind cluster lid C
JMJIA1541ZZ
Item
Function
Heated seat switch
• Power is supplied to each heater
• Depending on LOW/HIGH position of switch, operating heater number is changeable
Seat cushion heater
Built-in seat cushion, heater operate with the power supplied from heater seat switch
Seat back heater
Built-in seatback, heater operate with the power supplied from heater seat switch
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< FUNCTION DIAGNOSIS >
LUMBAR SUPPORT
LUMBAR SUPPORT
System Description
INFOID:0000000003642155
• 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:0000000003642156
Component Description
INFOID:0000000003642157
1.
Lumbar support switch B457
2.
Lumbar support motor B458
A.
View with seat back pad is removed
JMJIA1542ZZ
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
REAR SEATBACK RELEASE CONTROL
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< FUNCTION DIAGNOSIS >
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REAR SEATBACK RELEASE CONTROL
System Description
INFOID:0000000003642148
• Rear seatback release control is composed of rear seatback release switch and rear seatback release actu-
ator
• When rear seatback release switch is pressed, the rear seatback release actuator operate in order to unlock
the rear seatback lock
• When the rear seatback is unlocked, the spring located inside the rear seat device rebound, and the rear
seatback return to the fall down position
Component Parts Location
INFOID:0000000003642149
Component Description
INFOID:0000000003642150
1.
Rear seatback release switch (LH)
B49
2.
Rear seatback release actuator (RH)
B506
3.
Rear seatback release relay (LH)
B246
4.
Rear seatback release relay (RH)
B247
A.
In seatback
B.
Behind of rear seat (RH)
JMJIA1543ZZ
Item
Function
Rear seatback release switch
Release the rear seatback when it is locked
Rear seatback release actuator
Pressed the rear seatback release switch to release the rear seatback when it is locked
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< FUNCTION DIAGNOSIS >
REAR SEATBACK POWER RETURN SYSTEM
REAR SEATBACK POWER RETURN SYSTEM
System Diagram
INFOID:0000000003642151
System Description
INFOID:0000000003642152
DESCRIPTION
Rear Seatback Release Control
• Rear seatback release control is composed of rear seatback release switch and rear seatback release actu-
ator
• When rear seatback switch is pressed in release direction, the rear seatback release actuator operate in
order to unlock the rear seatback lock
• When the rear seatback is unlocked, the spring located inside the rear seat device rebound, and the rear
seatback return to the fall down position.
Rear Seatback Power Return System
• The rear seat back power return system is the system that enables the return operation of the left and right
rear seatbacks independently by pressing and holding the power return switch or the rear seatback switch in
the UP direction.
• As for the safety mechanism, the reverse operation is performed if the switch is released during the return
operation. The anti-pitch function is installed so that the automatic reverse operation is performed if the
pinching of foreign materials between the left and right rear seatbacks is detected.
OPERATION DESCRIPTION
The rear seatback power return system consists of the sector gear that transmits the movement information of
rear seatback power return control unit, power return switch, power return motor, motor sensor, primary posi-
tion limit switch, return complete limit switch and power return motor.
Return Operation Starting Condition
The rear seat back return operation starts when all of the following conditions are satisfied.
• Vehicle speed 2 km/h (1 MPH) or less
• Return complete limit switch: ON
• The battery voltage is normal
JMJIA1539GB
Operation
sequence
Rear seatback condition
Sector gear condition
Primary position limit
switch
Return complete limit
switch
1
Return completion position
Initial position
OFF
OFF
2
Fold-down position
Initial position
OFF
ON
3
Active
Return non-completion po-
sition
OFF
→
ON
ON
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