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.
2015 Lexus GS 350 Base, AWDFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2015 Lexus GS 350 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
- Different car
- Section 1 (Starting System (Service Specifications))
- Section 2 (Emission Control System (Inspection))
- Section 3 (Engine Control System - Diagnostics - Introduction (1 Of 3))
- Section 4 (Emission Control System (Service Information))
- Section 5 (Engine Control System - Diagnostics - Introduction (1 Of 3))
- Section 6 (Engine Control System - Service Information)
- Section 7 (Engine Control System - Service Information)
- Section 8 (Engine Control System - Diagnostic Codes (7 Of 7) & Circuit Tests)
- Section 9 (Engine Control System - Diagnostics & Circuit Tests)
- Section 10 (Automatic Transmission (Aa81E) - Diagnostics - Introduction)
- Section 11 (Automatic Transmission (A760H) - Diagnostics - Introduction)
- Section 12 (Automatic Transmission (Aa81E) - Diagnostics - Introduction)
- Section 13 (All Wheel Drive Control System - Diagnostics - Introduction)
- Section 14 (Transfer Case - Service Information)
- Section 15 (Charging System - Diagnostics - Introduction)
- Section 16 (Charging System - Diagnostics - Introduction)
- Section 17 (Engine Lubrication System (Service Information))
- Section 18 (Engine Lubrication System - Service Information)
- Section 19 (Fuel System - Service Information)
- Section 20 (Fuel System - Service Information)
- Section 21 (Intake / Exhaust System (Service Information))
- Section 22 (Fuel System - Inspection)
- Section 23 (Battery / Charging System - Service Information)
- Section 24 (Engine Mechanical - Service Information)
- Section 25 (Engine Control System - Diagnostic Codes (3 Of 7))
- Section 26 (Engine Control System - Diagnostic Codes (6 Of 7))
- Section 27 (Engine Control System - Diagnostic Codes (1 Of 7))
- Section 28 (Engine Control System - Diagnostics - Introduction (3 Of 3))
- Section 29 (Engine Control System - Diagnostic Codes (2 Of 7))
- Section 30 (Engine Control System - Diagnostics - Introduction (2 Of 3))
- Section 31 (Engine Intake System (Inspection))
- Section 32 (Ignition System (Inspection))
- Section 33 (Engine Cooling System - Service Information)
- Section 34 (Engine Cooling System (Inspection))
- Section 35 (Engine Mechanical - Service Information)
- Section 36 (Intake / Exhaust System - Service Information)
- Section 37 (Engine Control System - Diagnostic Codes (4 Of 7))
- Section 38 (Engine Control System - Diagnostic Codes (5 Of 7))
- Section 39 (Engine Control System - Diagnostic Codes (1 Of 5))
- Section 40 (Engine Control System - Diagnostics - Introduction (2 Of 3))
- Section 41 (Engine Control System - Diagnostics - Introduction (3 Of 3))
- Section 42 (Engine Control System - Diagnostic Codes & Symptom Tests)
- Section 43 (Engine Control System - Diagnostic Codes (5 Of 5))
- Section 44 (Engine Control System - Diagnostic Codes (3 Of 5))
- Section 45 (Fuel System - Inspection)
- Section 46 (Engine Intake System (Inspection))
- Section 47 (Starting System - Service Information)
- Section 48 (Automatic Transmission - Service Information (Aa81E) (1 Of 2))
- Section 49 (Automatic Transmission (A760H) - Diagnostic Codes (2 Of 2) & Circuit Tests)
- Section 50 (Automatic Transmission (A760H) - Diagnostic Codes (1 Of 2))
- Section 51 (Automatic Transmission (Aa81E) - Diagnostic Codes (4 Of 4) & Circuit Tests)
- Section 52 (Automatic Transmission (Aa81E) - Diagnostic Codes (3 Of 4))
- Section 53 (Automatic Transmission - Service Information (Aa81E) (2 Of 2))
- Section 54 (Engine Mechanical - Service Specifications)
- Section 55 (Engine Cooling System - Diagnostics & Circuit Tests)
- Section 56 (Engine Cooling System (Service Information))
- Section 57 (Engine Lubrication System (Inspection))
- Section 58 (Automatic Transmission (Aa81E) - Diagnostic Codes (1 Of 3))
- Section 59 (Charging System - Diagnostics & Symptom Tests)
- Section 60 (Emission Control System - Service Information)
- Section 61 (Engine Lubrication (System) (Inspection))
- Section 62 (Engine Cooling System (Service Specifications))
- Section 63 (Charging System - Diagnostic Codes & Symptom Tests)
- Section 64 (Starting System (Service Information))
- Section 65 (Engine Cooling System (Inspection))
- Section 66 (Ignition System (Inspection))
- Section 67 (Engine Control System - Diagnostic Codes (2 Of 5))
- Section 68 (Engine Control System - Diagnostic Codes (4 Of 5))
- Section 69 (Engine Control System - Diagnostics & Symptom Tests)
- Section 70 (Generator - Service Information)
- Section 71 (All Wheel Drive Control System - Diagnostic Codes & Symptom Tests)
- Section 72 (Automatic Transmission (Aa81E) - Diagnostic Codes (3 Of 3) & Circuit Tests)
- Section 73 (Automatic Transmission (Aa81E) - Diagnostic Codes (2 Of 4))
- Section 74 (Emission Control System (Inspection))
- Section 75 (Automatic Transmission (Aa81E) - Diagnostic Codes (1 Of 4))
- Section 76 (Automatic Transmission (Aa81E) - Diagnostic Codes (2 Of 3))
- Section 77 (Engine Control System - Diagnostics & Symptom Tests)
- Section 78 (Horn System (Service Information))
- Section 79 (Engine Cooling System - Diagnostics & Circuit Tests)
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ 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.
