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SE-64 < ECU DIAGNOSIS INFORMATION > CLIMATE CONTROLLED SEAT CONTROL UNIT *: System voltage is the voltage between ventilation seat control unit power source and the ground. NOTE: Malfunction Malfunctioning condition The temperature difference between the seatback ther- ° C or more • When it detects for 4 seconds that the temperature difference between the seatback thermal electric device and seat cushion thermal electric ° C or more, stops the output to the thermal electric device, activates the climate controlled seat blower motor in the maximum posi- • If the temperature difference is still 30 ° C or more after 30 seconds pass, it stops all output and enters the system OFF condition • When the temperature difference between seatback thermal electric de- vice and seat cushion thermal electric device becomes 20 ° C or less, the system recovers automatically • If it detects that the temperature difference is 30 ° C or more after the au- tomatic system recovery, it immediately stops all output and enters the The temperature of thermal electric device is 110 ° C or more in the HEAT mode (any thermal electric device in the • When it detects for 4 seconds that the temperature of the thermal electric device is 110 ° C or more, stops the output to the thermal electric device, activates climate the controlled seat blower motor in the maximum posi- • If the temperature does not become 105 ° C or less after 30 seconds pass, it stops all output and enters the system OFF condition • When the temperature of the thermal electric device becomes 105 ° C or less, the system recovers automatically • If it detects that the temperature of the thermal electric device is 110 ° C or more after the automatic system recovery, it immediately stops all out- The temperature of the thermal electric device is 45 ° C or more in the COOL mode (any thermal electric device in • When it detects for 4 seconds that the temperature of the thermal electric device is between 45 ° C and 70 ° C, it starts the temperature monitoring of the thermal electric device at 3 second intervals • While monitoring, if it detects that the temperature raises 2 ° C or more 4 times continuously or reaches 70 ° C or more, it stops all output and en- ters the system OFF condition • If it detects other results of monitoring, it continues activating in the COOL mode Thermal electric device sensor system open circuit • When it detects for 4 seconds that the thermal electric device sensor sys- tem is an open circuit Climate controlled seat blower motor system open circuit • When it detects for 2 seconds that climate controlled seat blower motor system is an open circuit while the climate controlled seat is being acti- • When it detects for 10 seconds that the climate controlled seat blower motor system is an open circuit while the climate controlled seat is being Switch input out of the specified range • When it detects for 4 seconds that the rotary switch input is 30% or less of the vehicle battery voltage, it stops all output and enters the system • When the switch input returns to a value within the specified range, the system recovers automatically HEAT or COOL switch input out of the specified range • When it detects for 4 seconds that rotary switch input is 6% or less of the vehicle battery voltage, it stops all output and enters the system OFF • When the switch input returns to a value within the specified range, the system recovers automatically System voltage out of range • System voltage* of the climate controlled seat control unit is out of the operation range (8.5 V – 16.5 V) |