Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: System Description
SYSTEM DESCRIPTION
FRONT SEAT HEATER
(a) By operating the refreshing seat switch (for front side), the temperature can be controlled within the range of 35 to 42°C (95 to 108°F).
(b) The refreshing seat switch indicator lights indicate seat heater operating status.
(c) The seat heaters of both seats are controlled by the seat heater control sub-assemblies.
(d) Set the refreshing seat switch to AUTO and the seat heater and seat blower operate automatically according to the target outlet air temperature of the air conditioning system.
HINT:
- In AUTO mode, the target seat heater temperature and seat blower volume are controlled according to the target outlet air temperature of the air conditioning system.
- When the target outlet air temperature and the set temperature of the air conditioning system are the same, the seat heater and seat blower will stop operating. When the target outlet air temperature and set temperature of the air conditioning system are no longer the same, the operation of the seat heater or seat blower will resume.
REAR SEAT HEATER
(a) By operating the refreshing seat switch (for rear side)*1 or rear seat heater switch*2, the temperature can be controlled within the range of 35 to 42°C (95 to 108°F).
- *1: w/o Rear No. 2 Seat
- *2: w/ Rear No. 2 Seat
(b) The refreshing seat switch indicator lights indicate seat heater operating status.
(c) The seat heaters of both seats are controlled by the seat heater control sub-assemblies.
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cab ...
System Diagram
SYSTEM DIAGRAM for Front Seat for Rear Seat (w/ Rear Seat Heater) ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Parking Assist Monitor System: Back Camera Power Supply Failure (C1621)
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Air Conditioning System: Ambient Temperature Sensor Circuit (B1412/12)
DESCRIPTION The cooler (ambient temp. sensor) thermistor is installed in front of the cooler condenser assembly to detect the ambient temperature, which is used to control the air conditioning system. This sensor is connected to the air conditioning amplifier assembly and detects fluctuations in the ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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