SEAT WARMER SYSTEM

id091300101200

Outline

• The seat warmer system is controlled by the seat warmer control unit.

Functions

• The seat warmer system warms the occupants in the front seats by warming the front backs and front seat cushions and the front seat backs.

Construction

• The seat warmer system consists of the following parts:

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System Wiring Diagram

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Operation

Example: Driver's seat warmer unit is operated

1. When the seat warmer switch (driver) is operated (1), the indicator unit sends (2) a temperature level signal according to the seat warmer switch operation to the seat warmer control unit.

2. When the seat warmer control unit receives a temperature level signal from the indicator unit, it turns the transistor on (3) and the relay on (4).

3. When the relay turns on, power is supplied (5) to the driver's seat warmer unit and the seat warmer unit warms.

• If the seat warmer control unit detects that the temperature around the seat warmer unit exceeds the set value by the thermistor, the power supply is cut.

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Fail-safe

• Not applicable