Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2018 Lexus LS 500 Base, AWDFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2018 Lexus LS 500 Base, AWD), but are still accessible from a link in your vehicle's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle.
- Different variant/trim
- Section 1 (Automatic Transmission System (Aga0E) - Diagnostics - Introduction (1 Of 2))
- Section 2 (Automatic Transmission System (Aga0E) - Diagnostic Codes (5 Of 6))
- Section 3 (Automatic Transmission System (Aga0E) - Diagnostics - Introduction (2 Of 2))
- Section 4 (Automatic Transmission System (Aga0E) - Service Information (1 Of 2))
- Section 5 (Automatic Transmission System (Aga0E) - Service Information (2 Of 2))
- Section 6 (Electronic A/T Shift Lever System (Aga0E) - Diagnostics - Introduction (1 Of 2))
- Section 7 (Electronic A/T Shift Lever System (Aga0E) - Diagnostic Codes (3 Of 5))
- Section 8 (Electronic A/T Shift Lever System (Aga0E) - Diagnostic Codes (2 Of 5))
- Section 9 (Electronic A/T Shift Lever System (Aga0E) - Diagnostics - Introduction (2 Of 2))
- Section 10 (Automatic Transmission System (Aga0E) - Diagnostic Codes (3 Of 6))
- Section 11 (Automatic Transmission System (Aga0E) - Diagnostic Codes (6 Of 6) & Circuit Tests)
- Section 12 (Electronic A/T Shift Lever System (Aga0E) - Diagnostic Codes (5 Of 5), Circuit & Symptom Tests (1 Of 2))
- Section 13 (Electronic A/T Shift Lever System (Aga0E) - Diagnostic Codes (1 Of 5))
- Section 14 (Electronic A/T Shift Lever System (Aga0E) - Diagnostic Codes (4 Of 5))
- Section 15 (Automatic Transmission System (Aga0E) - Diagnostic Codes (1 Of 6))
- Section 16 (Automatic Transmission System (Aga0E) - Diagnostic Codes (2 Of 6))
- Section 17 (Automatic Transmission System (Aga0E) - Diagnostic Codes (4 Of 6))
- Section 18 (Electronic A/T Shift Lever System (Aga0E) - Circuit & Symptom Tests (2 Of 2))
- Different car
- Section 1 (EGR Function Testing - LEXUS)
- Section 2 (Advanced Parking System - Service Information & Diagnostics)
- Section 3 (Electronically Controlled Brake System - Diagnostics - Introduction)
- Section 4 (Front Camera System (For Stereo Camera Type) - Diagnostics - Introduction)
- Section 5 (Front Camera System (For Mono Camera Type) - Diagnostics - Introduction)
- Section 6 (Front Camera System - Diagnostics - Introduction)
- Section 7 (Advanced Driver Assistance System - Service Information)
- Section 8 (Front Camera System - Service Information)
- Section 9 (Pre-Collision System (For Stereo Camera Type) - Diagnostics - Introduction)
- Section 10 (Pre-Collision System (For Mono Camera Type) - Diagnostics - Introduction)
- Section 11 (Pre-Collision System (For Mono Camera Type) - Diagnostic Codes)
- Section 12 (Front Radar Sensor System (For Mono Camera Type) - Diagnostic Codes)
- Section 13 (Front Radar Sensor System (For Mono Camera Type) - Diagnostics - Introduction)
- Section 14 (Front Camera System (For Mono Camera Type) - Diagnostic Codes)
- Section 15 (Dynamic Radar Cruise Control System (For Stereo Camera Type) - Diagnostic Codes & Circuit Tests)
- Section 16 (Front Radar Sensor System (For Stereo Camera Type) - Diagnostics - Introduction)
- Section 17 (Dynamic Radar Cruise Control System (For Stereo Camera Type) - Diagnostics - Introduction)
- Section 18 (Pre-Collision System (For Stereo Camera Type) - Diagnostic Codes)
- Section 19 (Dynamic Radar Cruise Control System (For Mono Camera Type) - Diagnostic Codes & Circuit Tests)
- Section 20 (Lane Tracing Assist System (For Mono Camera Type) - Diagnostic Codes & Circuit Tests)
- Section 21 (Road Sign Assist System (For Mono Camera Type) - Diagnostic Codes)
- Section 22 (Lane Tracing Assist System (For Stereo Camera Type) - Diagnostic Codes & Circuit Tests)
- Section 23 (Road Sign Assist System (For Stereo Camera Type) - Diagnostic Codes)
- Section 24 (Front Radar Sensor System (For Stereo Camera Type) - Diagnostic Codes)
- Section 25 (Front Camera System - Diagnostic Codes & Circuit Tests)
- Section 26 (Front Radar Sensor System - Diagnostic Codes)
- Section 27 (Dynamic Radar Cruise Control System (For Mono Camera Type) - Diagnostics - Introduction)
- Section 28 (Front Radar Sensor System - Diagnostics - Introduction)
- Section 29 (Front Side Radar Sensor System - Diagnostic Codes)
- Section 30 (Lane Control System (For Mono Camera Type) - Diagnostics & Circuit Tests)
- Section 31 (Front Radar Sensor System (For Mono Camera Type) - Diagnostics - Introduction)
- Section 32 (Lane Control System (For Mono Camera Type) - Diagnostics - Introduction)
- Section 33 (Front Radar Sensor System (For Mono Camera Type) - Diagnostic Codes)
- Section 34 (Road Sign Assist System (For Stereo Camera Type) - Diagnostics - Introduction)
- Section 35 (Lane Tracing Assist System (For Stereo Camera Type) - Diagnostics - Introduction)
- Section 36 (Front Side Radar Sensor System (For Stereo Camera Type) - Diagnostics - Introduction)
- Section 37 (Seat Belt System - Diagnostics - Introduction)
- Section 38 (Seat Belt System - Diagnostic Codes & Circuit Tests)
- Section 39 (Road Sign Assist System (For Mono Camera Type) - Diagnostics - Introduction)
- Section 40 (Lane Tracing Assist System (For Mono Camera Type) - Diagnostics - Introduction)
- Section 41 (Front Side Radar Sensor System - Diagnostics - Introduction)
- Section 42 (Road Sign Assist System (For Mono Camera Type) - Diagnostics - Introduction)
- Section 43 (Road Sign Assist System (For Mono Camera Type) - Diagnostic Codes)
- Section 44 (Front Camera System (For Stereo Camera Type) - Diagnostic Codes)
- Section 45 (Driver Monitor Camera System - Diagnostic Codes)
- Section 46 (Driver Monitor Camera System - Diagnostics - Introduction)
- Section 47 (Automatic High Beam System - Diagnostics - Introduction)
- Section 48 (Automatic High Beam System - Diagnostic Codes & Symptom Tests)
- Section 49 (Front Side Radar Sensor System (For Stereo Camera Type) - Diagnostic Codes)
- Section 50 (Electronically Controlled Brake System - Diagnostic Codes (1 Of 2))
- Section 51 (Electronically Controlled Brake System - Diagnostic Codes (2 Of 2), Circuit & Symptom Tests)
- Section 52 (Wireless Charging System - Diagnostics & Circuit Tests)
- Section 53 (Traffic Jam Assist System - Inspection)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.