Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK AIR DUCT
(a) Check that there are no cracks or damage on the air ducts of the seat climate control blower and seatback climate control blower, and that the air ducts are installed correctly.
2. CHECK CLIMATE CONTROL SEAT SYSTEM
(a) Turn the engine switch on (IG).
(b) Check that each seat climate control blower and seatback climate control blower operates when the refreshing seat switch (for front side) (blower position) is turned on.
(c) Check that the seat blower volume changes according to the operation of the refreshing seat switch (for front side) (blower 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.
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) 2016-2024 Repair Manual > Dynamic Torque Control Awd System: Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs. (1) Connect the Techstream to the DLC3. (2) Turn the engine switch on (IG). (3) Turn the Techstream on. (4) Read the DTCs following the prompts on the Techstream screen. Enter the following menus: Chassis / Four Wheel Drive / Trouble Codes. Chassis > ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Electric Parking Brake System: Electric Parking Brake Actuator Supply Voltage Circuit Voltage Below Threshold (C13B516)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13B516 Electric Parking Brake Actuator Supply Voltage Circuit Voltage Below Threshold
Diagnosis Condition:
Engine switch on (IG) or electric parking brake switch assembly pulled to lock side ...
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
0.0191