Infiniti M35/M45 Y50. Manual - part 1087

HEATED SEAT

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When rear heated seat switch (LH, RH) is LOW position, ground is suppled

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to rear seat control unit terminal 18,

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through rear heated seat switch terminal 2,

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through rear heated seat switch terminal 3,

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through body grounds B5, B40 and B131

Then rear seat control unit recognizes that rear heated seat switch is LOW position.
When rear heated seat switch is LOW position, power is supplied

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through rear seat control unit terminal 6,

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through rear seat cushion heater terminal 2,

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through rear seat cushion heater terminal 3,

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to rear seatback heater terminal 1.

Then ground is suppled

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to rear seatback heater terminal 2.

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through body grounds B5, B40 and B131.

With power and ground supplied, rear heated seat is operated.
When rear heated seat switch is in LOW position, ground is supplied

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to rear heated seat switch terminal 5,

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through rear seat control unit terminal 14,

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through rear seat control unit terminal 13,

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through body grounds B5, B40 and B131.

With power and ground supplied, rear heated seat switch LOW position indicator is illuminated
When rear heated seat switch (LH, RH) is in HIGH position, ground is suppled 

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to rear seat control unit terminal 17,

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through rear heated seat switch terminal 1,

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through rear heated seat switch terminal 3,

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through body grounds B5, B40 and B131

Then rear seat control unit recognizes that rear heated seat switch is in HIGH position.
When rear heated seat switch is in HIGH position, power is supplied

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through rear seat control unit terminal 5,

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through rear seat cushion heater terminal 1,

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through rear seat cushion heater terminal 3,

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to rear seatback heater terminal 1.

Then ground is suppled

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to rear seatback heater terminal 2.

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through body grounds B5, B40 and B131.

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to rear seat cushion heater terminal 2,

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through rear seat control unit terminal 6,

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through rear seat control unit terminal 8,

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through body grounds B5, B40 and B131.

With power and ground supplied, rear heated seat generates heat more than the time of LOW position.
When rear heated seat switch is in HIGH position, ground is supplied

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to rear heated seat switch terminal 4,

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through rear seat control unit terminal 9,

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through rear seat control unit terminal 13,

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through body grounds B5, B40 and B131.

With power and ground supplied rear heated seat switch HIGH position indicator is illuminated.

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HEATED SEAT

Schematic

NIS00282

TIWT1397E

HEATED SEAT

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Wiring Diagram — HSEAT —

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TIWT1398E

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HEATED SEAT

TIWT1399E