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:
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.
(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.
Customize Parameters
Problem Symptoms TableLexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Seat Heater System: Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be dis ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Steering System: Torque Sensor1 (C1511-C1514,C1517)
DESCRIPTION The torque sensor converts the rotational torque received from the steering wheel into electric signals and sends them to the power steering ECU assembly. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1511 ...