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 > Immobiliser System: Security Indicator Light Does not Blink
DESCRIPTION
The certification ECU (smart key ECU assembly) blinks the security indicator light (radio receiver assembly) when the immobiliser is set (engine switch off).
The certification ECU (smart key ECU assembly) receives the security indicator light signal from the main body ECU (multiplex ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Seat Heater Switch (for Rear Side): Inspection
INSPECTION PROCEDURE 1. INSPECT REFRESHING SEAT SWITCH (for Rear Side) (a) Apply battery voltage and check the operation of the switch according to the table below. OK: Battery Connection Condition Specified Condition Battery positive (+) → Terminal 7 Battery negative (-) → Termin ...
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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