Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: On-vehicle Inspection

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.

Diagnosis System

DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT BATTERY VOLTAGE (a) Check the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the ...

Climate Control Seat System does not Operate

DESCRIPTION The air conditioning amplifier assembly receives refreshing seat switch position signals when the engine switch is on (IG), and then transmits airflow amount signals to each seat climate b ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vehicle Stability Control System: Right Rear Wheel Speed Sensor Circuit Intermittent (C05121F)
DESCRIPTION The speed sensor detects wheel speed and sends the appropriate signals to the skid control ECU (brake actuator assembly). These signals are used for brake control. Speed sensor rotors have rows of alternating N and S magnetic poles, and their magnetic fields change when the rotors turn. ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Meter / Gauge System: Meter Illumination does not Dim at Night
DESCRIPTION In this circuit, the combination meter assembly receives auto dimmer signals from the main body ECU (multiplex network body ECU) via CAN communication. When the combination meter assembly receives an auto dimmer signal, it dims the meter illumination (warning and indicator lights). The m ...