Listed below are the general maintenance items that should be performed at the intervals specified in the "Warranty and Service Guide" or "Owner's Manual Supplement". It is recommended that any problem you notice should be brought to the attention of your Lexus dealer or qualified service shop for advice.
Engine compartment
Items | Check points |
Brake fluid | Is the brake fluid at the correct level? |
Engine/power control unit coolant | Is the engine/power control unit coolant at the correct level? |
Engine oil | Is the engine oil at the correct level? |
Exhaust system | There should not be any fumes or strange sounds. |
Radiator/condenser | The radiator and condenser should be free from foreign objects. |
Washer fluid | Is there sufficient washer fluid? |
Luggage compartment
Items | Check points |
12-volt battery | Check the connections. |
Vehicle interior
Items | Check points |
Accelerator pedal |
|
Brake pedal |
|
Brakes |
|
Head restraints |
|
Hybrid transmission "Park" mechanism |
|
Indicators/buzzers |
|
Lights |
|
Parking brake |
|
Seat belts |
|
Seats |
|
Steering wheel |
|
*: Vehicles with single-beam headlights
Vehicle exterior
Items | Check points |
Doors |
|
Engine hood |
|
Fluid leaks |
|
Tires |
|
Windshield wipers/ rear window wiper |
|
WARNING
■ If the hybrid system is operating Turn the hybrid system off and ensure that there is adequate ventilation before performing maintenance checks.
Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system.
If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the emission control system. Your vehicle may not pass the I/M test and may need to be repaired. Contact your Lexus dealer to service the vehicle.
Your vehicle may not pass the I/M test in the following situations:
Also, depending on your driving habits, the readiness codes may not be completely set.
When the malfunction indicator lamp still remains on after several driving trips
The error code in the OBD system will not be cleared unless the vehicle is driven 40 or more times.
If your vehicle does not pass the I/M test
Contact your Lexus dealer to prepare the vehicle for re-testing.
Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Power Steering System: EPS Warning Light Circuit
DESCRIPTION If the power steering ECU assembly detects a malfunction, the power steering ECU assembly stores a DTC and illuminates the EPS warning light. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
If the power steering ECU assembly has been replaced, perform assist map writing and torque sen ...
Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Transfer Assembly: Reassembly
REASSEMBLY PROCEDURE 1. INSTALL REAR TRANSFER DRIVEN PINION BEARING (OUTER RACE) (a) Using SST and a press, install the rear transfer driven pinion bearing (outer race) to the transfer case sub-assembly. SST: 09950-60010 09951-00620 SST: 09950-70010 09951-07150 NOTICE:
Keep the transfer case ...