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.
2012 Lexus LS 460 AWDFACTORY OEM SERVICE PROCEDURE
OEM System Circuits
- Power Source
- Engine Immobiliser System, Smart Access System with Push-Button Start, Starting, Steering Lock and Wireless Door Lock Control
- Ignition
- Charging
- Engine Control
- Data Link Connector 3
- Multiplex Communication System (CAN)
- Multiplex Communication System (AVC-LAN)
- Electric Power Control System
- Headlight
- Interior Light
- Turn Signal and Hazard Warning Light
- Illumination
- Taillight
- Stop Light
- Back-Up Light
- Fog Light
- Automatic Light Control and Light Auto Turn Off System
- Adaptive Front-Lighting System
- Headlight Cleaner
- Wiper and Washer
- Power Window
- Door Lock Control
- Door Closer
- Theft Deterrent
- Electronically Controlled Transmission and A/T Indicator
- Dynamic Radar Cruise Control
- Cruise Control
- Air Suspension
- Vehicle Dynamics Integrated Management
- Brake Hold System
- Electric Parking Brake
- VGRS System
- EPS
- SRS
- Lane Keeping Assist
- Pre-Collision System
- Tire Pressure Warning System
- Sliding Roof
- Shift Lock
- Rear Sunshade
- Rear Door Sunshade
- Power Trunk Opener and Closer
- Luggage Compartment Door Opener and Closer
- Fuel Lid Opener
- Electric Tension Reducer
- Seat Belt Warning
- Power Seat (Driver's Seat)
- Power Seat (Front Passenger's Seat)
- Power Seat (Rear Passenger's Seat)
- Climate Control Seat (Driver's Seat and Front Passenger's Seat)
- Climate Control Seat (Rear Passenger's Seat)
- Seat Heater (Rear Passenger's Seat)
- Vibration Seat
- Automatic Glare-Resistant EC Mirror with Compass
- Garage Door Opener
- Cigarette Lighter
- Power Outlet (12V)
- Power Outlet (115V)
- Horn
- Heated Steering Wheel System
- Power Tilt and Power Telescopic
- Power Shoulder Belt Anchorage
- Remote Control Mirror
- Mirror Heater and Rear Window Defogger
- Front Window Deicer
- Clock
- Advanced Parking Guidance System
- Parking Assist (Intuitive Parking Assist)
- LEXUS ENFORM or Safety Connect
- Audio System, LEXUS Navigation System, Multi-Display (w/o LEXUS Navigation System) and Parking Assist (Rear View Monitor)
- Rear Seat Entertainment System (Console Type)
- Rear Seat Entertainment System (Roof Type)
- Combination Meter
- Cooling Fan
- Air Conditioning
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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