Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Operation Check
OPERATION CHECK
CHECK FRONT SEAT HEATER
(a) Turn the engine switch on (IG).
(b) Turn the refreshing seat switch (for front side) (heater position) on and check that the indicator illuminates and the surface of the front seat warms up.
(c) Check that the front seat surface temperature changes according to the operation of the refreshing seat switch (for front side) (heater position) as follows: HI → MID → LO.
(d) Set the refreshing seat switch (for front side) to AUTO and check that 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.
CHECK REAR SEAT HEATER (w/ Rear Seat Heater)
(a) Turn the engine switch on (IG).
(b) Turn the refreshing seat switch (for rear side)*1 or rear seat heater switch*2 (heater position) on and check that the indicator illuminates and the surface of the front seat warms up.
- *1: w/o Rear No. 2 Seat
- *2: w/ Rear No. 2 Seat
(c) Check that the front seat surface temperature changes according to the operation of the refreshing seat switch (for rear side)*1 or rear seat heater switch*2 (heater position) as follows: HI → MID → LO.
- *1: w/o Rear No. 2 Seat
- *2: w/ Rear No. 2 Seat
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE SEAT HEATER SYSTEM HINT: The following items can be customized. NOTICE:
When the customer requests a change in a function, first make sure that the function can be cu ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
If the battery voltage is low, the seat heater system may not operate. When "Operation of Electrical Items Restricted." is displayed on the multi-information display ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Occupant Classification System: Lost Communication with Multi-axis Acceleration Sensor Module (U0125,U0129)
DESCRIPTION The occupant detection ECU sends/receives signals to/from each ECU via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area U0125 Lost Communication with Multi-axis Acceleration Sensor Module CAN communication error between the occupant detectio ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Navigation System: AV Signal Stoppage (Low Battery Voltage) (B158F)
DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio receiver assembly dropping temporarily. DTC No. Detection Item DTC Detection Condition Trouble Area B158F AV Signal Stoppage (Low Battery Voltage) A video or audio si ...
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
0.0171