SYSTEM DESCRIPTION
HEATED STEERING WHEEL SYSTEM
(a) The heated steering wheel system heats the steering wheel assembly when the steering heater switch (Integration control and panel assembly) is operated.
(b) The heated steering wheel system uses a thermistor inside of the steering wheel assembly to detect the heater temperature and maintain the set temperature.
(c) The heated steering wheel timer function turns off the heater after a predetermined period of time.
HEATER CONTROLLER SYSTEM
(a) Operation description
(1) When the engine switch is on (IG), pressing the steering heater switch (integration control and panel assembly) operates the heated steering wheel system.When the heated steering wheel system is operating, the steering vibration and heater ECU illuminates the indicator LED and sends current to the steering wheel heater unit of the heated steering wheel system. Pressing the steering heater switch (integration control and panel assembly) again stops operation of the heated steering wheel system.
(2) A thermostat is installed in the steering wheel heater unit as a safety mechanism.
(3) The steering heater switch (integration control and panel assembly) LED turns off when either of the following occurs:
(4) The timer will turn off the heater 30 minutes after the steering heater switch was first turned on.
(b) Signal input / output description
Signal | Signal Name | Function |
---|---|---|
Input | Thermistor input | Input of voltage corresponding to heater temperature |
Input | Operating switch input | Input of power circuit operation estimate signal |
Output | LED output | Output of LED |
Output | Drive current output | Output of drive current |
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