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.
2009 Lexus IS 350FACTORY OEM SERVICE PROCEDURE
OEM System Circuits
- Power Source
- Smart Access System with Push-Button Start
- Ignition (2GR-FSE)
- Ignition (4GR-FSE)
- Charging
- Engine Control (2GR-FSE)
- Engine Control (4GR-FSE)
- Data Link Connector 3
- Multiplex Communication System (BEAN)
- Multiplex Communication System (CAN)
- Multiplex Communication System (AVC-CAN)
- Headlight
- Interior Light
- Turn Signal and Hazard Warning Light
- Illumination
- Taillight
- Stop Light
- Back-Up Light
- Front Fog Light
- Automatic Light Control
- Light Auto Turn Off System
- Adaptive Front-Lighting System
- Headlight Cleaner
- Front Wiper and Washer
- Power Window
- Door Lock Control
- Theft Deterrent
- Electronically Controlled Transmission and A/T Indicator (2GR-FSE)
- Electronically Controlled Transmission and A/T Indicator (4GR-FSE)
- Dynamic Radar Cruise Control (2GR-FSE)
- Dynamic Radar Cruise Control (4GR-FSE)
- Cruise Control (2GR-FSE)
- Cruise Control (4GR-FSE)
- Vehicle Dynamics Integrated Management
- 4WD
- EPS
- SRS
- Pre-Collision System
- Tire Pressure Warning Antenna
- Power Tilt and Power Telescopic
- Sliding Roof
- Shift Lock
- Rear Sunshade
- Fuel Lid Opener
- Luggage Compartment Door Opener
- Electric Tension Reducer
- Seat Belt Warning
- Power Seat (Driver's Seat w/ Seat Position Memory)
- Power Seat (Driver's Seat w/o Seat Position Memory)
- Power Seat (Front Passenger's Seat w/ Seat Position Memory)
- Power Seat (Front Passenger's Seat w/o Seat Position Memory)
- Climate Control Seat and Seat Heater (w/ Climate Control Seat)
- Seat Heater (w/o Climate Control Seat)
- Automatic Glare-Resistant EC Mirror and Compass
- Garage Door Opener
- Cigarette Lighter
- Power Outlet
- Horn
- Remote Control Mirror (w/ Seat Position Memory)
- Remote Control Mirror (w/o Seat Position Memory)
- Mirror Heater and Rear Window Defogger
- Clock
- Parking Assist (Intuitive Parking Assist)
- Audio System, LEXUS Navigation System and Parking Assist (Rear View Monitor)
- 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.