2020 Lexus RX 350L Service and Repair Manual

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2020 Lexus RX 350L service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications, torque values, and reference data
  • Electrical diagnostics with full wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
  • Diagnostic trouble codes and troubleshooting flow
  • Maintenance schedules and fluid capacities

Trims covered

  • AWD
  • FWD

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Maintenance & Lubrication
  • Specifications
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Wiring Diagrams
No active recalls The 2020 Lexus RX 350L has no recalls on file with NHTSA.
No service bulletins No technical service bulletins on file with NHTSA for the 2020 Lexus RX 350L.
05/22/20Component: FUEL SYSTEM, GASOLINE

The contact owns a 2020 Lexus RX350. The contact stated while driving approximately 25 MPH and ascending a slight grade, the vehicle began to shake. The contact stated that she stopped depressing the accelerator pedal and the shaking stopped. The contact stated no warning light was illuminated. The contact had taken the vehicle to a local dealer however, the vehicle was not diagnosed or repaired. The contact received a letter from the manufacturer regarding a fuel seepage failure from the high/low pressure fuel pump. The contact stated that the letter informed the contact that the manufacturer

09/02/20Component: FUEL SYSTEM, GASOLINE

The contact owns a 2020 Lexus RX350. The contact stated while driving approximately 55 MPH, there was an abnormal sound coming from the engine. The contact stated that the vehicle felt as if it was losing motive power and stalling. The contact depressed the accelerator however, the vehicle failed to respond as needed. The contact stated that there was no warning light illuminated. The contact stated that after driving for less than a mile, the vehicle started operating normally. The contact stated that the engine failure had become a recurring failure. The contact had taken the vehicle to a lo

03/16/20Component: FUEL SYSTEM, GASOLINE

TL* THE CONTACT OWNS A 2020 LEXUS RX350. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V682000 (FUEL SYSTEM, GASOLINE) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS NOT YET AVAILABLE. THE CONTACT STATED THAT RAY CATENA LEXUS OF MONMOUTH LOCATED AT 2135 NJ-35, OAKHURST, NJ 07755, (732)493-5000, HAD EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

03/01/20Component: FUEL/PROPULSION SYSTEM

I RECEIVED A SAFETY RECALL FROM LEXUS SOMETIME LAST YEAR, ALTHOUGH I DON'T KNOW EXACTLY WHEN. THERE IS NO DATE ON ANY OF THE INFORMATION THAT WAS SENT TO ME, BUT I BELIEVE IT WAS SOMETIME LAST SUMMER. NOTHING HAS HAPPENED TO MY CAR, YET, BUT I DON'T BELIEVE A "SAFETY" RECALL NOTICE SHOULD TAKE MONTHS AND MONTHS TO BE FIXED. WHEN I GOT THE NOTICE, I CALLED MY LEXUS DEALERSHIP AND ASKED WHEN I COULD EXPECT MY CAR TO BE FIXED AND THEY SAID THEY DID NOT KNOW WHEN THEY WOULD GET THE PART AND WOULD LET ME KNOW. I HAVE NEVER HEARD FROM THEM. THIS RECALL IS FOR A LOW PRESSURE FUEL PUMP WHICH COUL

01/04/20Component: FUEL SYSTEM, GASOLINE

TL* THE CONTACT OWNS A 2020 LEXUS RX350. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V012000 (FUEL SYSTEM, GASOLINE) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS NOT YET AVAILABLE. TUSTIN LEXUS (45 AUTO CENTER DR, TUSTIN, CA 92782, (714) 544-4800) WAS CONTACTED BY PHONE HOWEVER, THE CONTACT WAS UNABLE TO REACH A REPRESENTATIVE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.*DT*JB

12/14/20Component: UNKNOWN OR OTHER,FUEL/PROPULSION SYSTEM

LOW-PRESSURE FUEL PUMP WHICH MAY STOP OPERATING.

10/08/20Component: ELECTRICAL SYSTEM,ENGINE

CAR SHUTS OFF WHILE DRIVING

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