CLIMATE CONTROL SEAT SYSTEM ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK CLIMATE CONTROL SEAT SYSTEM (for Front)

   
   

   1. Turn the engine switch on (IG).

   2. Press the "Seat/Steering" switch on the multi-display sub menu screen.

   3. Check that each seat climate control blower and seatback climate control blower operates with each press of the ventilation volume switch on the [Setting] screen.

   4. Check that ventilation volume switches in order from AUTO → HI → MID → LO → OFF and that the AUTO indicator light and level indicator light turn on/off with each press of the ventilation volume switch on the [Setting] screen.

   5. Check that the seat blower volume changes according to the level indicator light illumination condition when the ventilation volume switch is operated.

      Tech Tips

      
      

      • The seat heater operates when set to heating, and the seat blower operates when set to cooling.

      • The surface warmth of the seat changes even according to the outside temperature. Therefore, check with the outside temperature at a constant temperature.

2. CHECK CLIMATE CONTROL SEAT SYSTEM (for Rear)

   
   

   1. Turn the engine switch on (IG).

   2. Press the "Right Seat" or "Left Seat" switch on the rear power seat switch (rear multi operation panel).

   3. Check that each seat climate control blower and seatback climate control blower operates with each press of the ventilation volume switch.

   4. Check that ventilation volume switches in order from AUTO → HI → MID → LO → OFF and that the AUTO indicator light and level indicator light turn on/off with each press of the ventilation volume switch on the [Setting] screen.

   5. Check that the seat blower volume changes according to the level indicator light illumination condition when the ventilation volume switch is operated.

      Tech Tips

      
      

      • The seat heater operates when set to heating, and the seat blower operates when set to cooling.

      • The surface warmth of the seat changes even according to the outside temperature. Therefore, check with the outside temperature at a constant temperature.

3. CHECK LEXUS CLIMATE CONCIERGE

   
   

   1. LEXUS climate concierge control function:

      
      

      1. Set the vehicle to the following conditions.

         Inspection Condition
         Item Condition Front Passenger Seat, Rear Seat Unoccupied Seat Heater AUTO

      2. Press the "Concierge" switch on the multi-display sub menu screen.

      3. Check that the seat heater (seat air conditioning) and steering wheel heater link with the air conditioning system and operate accordingly when the concierge switch on the "Concierge" screen is pressed.

      4. Check that the seat heater (seat air conditioning) turns off when the front passenger seat becomes unoccupied.

      5. When the following conditions are met, check that the LEXUS climate concierge function turns off.

         
         

         • Concierge switch on the "Concierge" screen is off

         • Operate the air conditioning, seat heater, comfortable air seat or steering wheel heater system manually.