Table of Contents : 2016-2022 Lexus RX 350L, 350, 300, and 200t Wiring Diagram

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🛠️ Common Issues with the 2016-2022 Lexus RX Series

The 2016-2022 Lexus RX series includes several models such as RX 350, RX 350L, RX 300, and RX 200t. Known for its luxury, reliability, and smooth ride, the RX lineup remains one of the best-selling luxury SUVs in its class. The RX series competes in the mid-size luxury SUV segment and provides modern safety tech, a comfortable interior, and strong resale value. Owners reported that the worst models are 2005 RX 330, and 2004 RX 330. However, like all vehicles, it has experienced certain electrical and mechanical issues, as well as recalls and technical service bulletins (TSBs).

Common Electrical Issues:

1. Door Lock Actuator Failure: Owners have reported failures in the door locking mechanism, necessitating manual locking and unlocking. The solution typically involves replacing the faulty actuator.
   European Motor Cars

    

2. Electronic Key Malfunction: Some 2022 RX 350 owners have experienced intermittent failures with the electronic key system, even after battery replacements.
   Consumer Reports

    

Common Mechanical Issues:

1. Choppy Acceleration: Drivers have noted unpredictable or sputtery acceleration in certain RX 350 models, regardless of driving mode.
   Lexus Owners Club of North America

Recalls:

The Lexus RX series has been subject to several recalls during this period:

1. Fuel Pump Failure: Multiple models, including certain 2017-2020 RX 350 and 2018-2020 RX 350L vehicles, were recalled due to potential low-pressure fuel pump failures, which could lead to engine stalling.
   DealerRater

    

2. Brake Booster Vacuum Pump: The 2017 RX 350 was recalled because an improperly machined oil galley in the brake booster vacuum pump assembly could result in a sudden loss of brake assist.
   DealerRater

    

Technical Service Bulletins (TSBs):

TSBs are communications from Lexus to dealerships detailing known issues and their fixes. For instance, the 2016 RX 350 has 296 TSBs addressing various components, including the engine, electrical system, and visibility features.

Recommendations:

• Stay Informed: Regularly check for recalls and TSBs related to your vehicle. Lexus provides resources to look up this information.
  Lexus | Experience Amazing

   

• Regular Maintenance: Adhering to the manufacturer’s maintenance schedule can help prevent or identify issues early.
• Consult Professionals: If you experience any of the mentioned issues, consult a certified Lexus technician to ensure proper diagnosis and repair.

For a comprehensive overview of the 2016-2022 Lexus RX models, including reliability and common problems, you might find the following video informative:

Source 1, Source 2, Source 3, Source 4, Source 5, Source 6, Source 7, Source 8, Source 9, Source 10, Source 11, Source 12, Source 13, Source 14, Source 15

🏆 Competitors of the 2016-2022 Lexus RX Series

✅ Pros & ❌ Cons of the 2016-2022 Lexus RX Series

✅ Pros

✔ Legendary Reliability – The RX is renowned for its long-term dependability, especially with the naturally aspirated V6 engines.
✔ Luxurious and Quiet Interior – Premium materials and excellent cabin noise isolation.
✔ Comfort-Oriented Ride – Soft suspension absorbs bumps and provides a smooth, relaxing driving experience.
✔ High Resale Value – Lexus vehicles tend to hold their value better than many European competitors.
✔ Advanced Safety Features – Comes with Lexus Safety System+ on all models, including adaptive cruise control, lane keep assist, and automatic emergency braking.

❌ Cons

❌ Uninspired Handling – The RX prioritizes comfort over sportiness, with less agile handling than BMW and Audi rivals.
❌ Limited Cargo Space (L Models) – Third-row seating in RX 350L reduces cargo capacity significantly.
❌ Infotainment System – The Remote Touch Interface (RTI) is difficult to use, and some owners report freezing or slow responses.
❌ Expensive Repairs on Hybrid Models (RX 450h) – Hybrid powertrain repairs can be costly.
❌ Underwhelming Acceleration on Lower-Trims (RX 300 & RX 200t) – The turbocharged 2.0L engine lacks power compared to rivals.

⚡ Performance Specs

🛠️ Maintenance Schedule

Regular maintenance is essential to ensure long-term reliability, especially for the 3.5L V6 (RX 350) and turbocharged engines (RX 200t/RX 300).

🛠️ 2016-2022 Lexus RX Series – DTC

Contents: 2006 Lexus RX 300 Repair Manual

• Introduction
• Air Conditioning (AC)
• Automatic Transaxle (AX)
• Axle (AH)
• Brake Control (BC)
• Brake System (BR)
• Charging (CH)
• Cooling (CO)
• Cruise Control (CC)
• Differential (DF)
• Door Lock (DL)
• Drive Shaft (DS)
• Emission Control (EC)
• Engine Control System
• Engine Hood & Door (ED)
• Engine Immobiliser (EI)
• Engine Mechanical (EM)
• 3MZ-FE Engine Control System (ES)
• Exhaust (EX)
• Exterior (ET)
• Fuel (FU)
• Garage Door Opener (GD)
• Horn (HO)
• Ignition (IG)
• Instrument Panel (IP)
• Intake (IT)
• Interior (IR)
• Introduction (IN)
• Lighting (LI)
• Lubrication (LU)
• Maintenance (MA)
• Meter (ME)
• MF2A Transfer (TF)
• Mirror (MI)
• Park Assist & Monitoring (PM)
• Parking Brake (PB)
• Power Steering (PS)
• Propeller Shaft (PR)
• Seat (SE)
• Seat Belt (SB)
• Supplemental Restraint System (RS)
• Service Specifications (SS)
• Sliding Roof (RF)
• Starting (ST)
• Steering Column (SR)
• The suspension (SP)
• Suspension Control (SC)
• Theft Deterrent (TD)
• Tire & Wheel (TW)
• Windshield & Window glass (WS)
• Wiper & Washer (WW)

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