Ventilated Seat

Components and Component Location

COMPONENT LOCATION

Circuit Diagrams

Circuit diagram

Repair Procedures

DEPOSIT

1. 1
   Disconnect the negative (-) battery terminal.
2. 2
   Remove the front seat. (Refer to Body - "Front Seat")
3. 3
   Disconnect the fan connector (A) after removing the locking clip (B).

   

4. 4
   Remove the seat blower FAN (A) after removing the screws.

   

5. 5
   Disconnect the negative (-) battery terminal.
6. 6
   Remove the front passenger seat. (Refer to Body - "Front Seat")
7. 7
   Loosen the seat ventilation unit screws.

   

8. 8
   Remove the ventilated seat unit (A) after disconnecting the connectors (B).

   

REMEDY

1. 1
   Install the blower fan.
2. 2
   Install the duct.
3. 3
   Install the front seat assembly.
4. 4
   Connect the negative (-) battery terminal.
5. 5
   Install the ventilated seat unit.
6. 6
   Install the front seat assembly.
7. 7
   Connect the negative (-) battery terminal.

Inspection

1. 1
   You can enter diagnostic mode by pressing the seat ventilation button.
2. 2
   You can enter diagnostic mode by referring to the following description.

   • Press ALL ON while pressing the seat ventilation button from ALL OFF.
   • Press and hold IGN ON for more than two seconds before pressing it twice for more than five seconds.
   • The LED blinks, indicating the driver and passenger seats at low, medium, high levels.
3. 3
   After entering diagnostic mode, the malfunction can be checked by the blinking LED. [Heater and Ventilation Switch]

   

   Malfunction Indicator Lamp	LED blinks	Components to Inspect	Detailed Checks
   	[Seat Heater LED] Low: FLASH Mid: FLASH High: FLASH	Seat heater power wire short to ground (short circuit)	Seat heater wire short to power (short circuit)
   	[Seat Heater LED] Low: FLASH Mid: FLASH High: OFF	Seat heater cable power cut off (disconnection)	Seat heater power line connector disconnected or missing
   	[Seat Heater LED] Low: OFF Mid: FLASH High: OFF	NTC (open circuit)	NTC (open circuit) NTC connector disconnected or missing
   	[Seat Heater LED] Low: FLASH Mid: OFF High: OFF	NTC (short circuit)	NTC terminal short circuit
   	[Seat Ventilation LED] Low: FLASH Mid: FLASH High: OFF	Ventilation fan power open circuit Ventilation fan signal line short circuit	Ventilation power line connector disconnected or missing Ventilation signal line connector disconnected or missing
   	[Seat Ventilation LED] Low: FLASH Mid: FLASH High: FLASH	Ventilation fan power wire short to ground (short circuit)	Ventilation fan power wire short to power (short circuit)

4. 4
   The malfunction can be checked by the blinking LED.
5. 5
   The ventilated seat module has detected a malfunction.
6. 6
   If the passenger seat heater button is pressed and held for more than five seconds, the LED blinks four times to indicate a memory malfunction, and the stored memory will be erased.
7. 7
   Pressing the ALL OFF button ends diagnostic mode for the ventilated seat.
8. 8
   You can check whether the seat ventilation system operates correctly after pressing ALL ON. If you want to check the DTC, refer to procedure 2 above.