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 FFACTORY OEM SERVICE PROCEDURE
EVAP System: Procedure
- CONFIRM DTC
- Turn the engine switch off and wait for 10 seconds.
- Turn the engine switch on (IG).
- Turn the engine switch off and wait for 10 seconds.
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG) and turn the Techstream ON.
- Enter the following menus: Powertrain / Engine / Trouble Codes.
- Confirm DTCs and freeze frame data.
If any EVAP system DTCs are set, the malfunctioning area can be determined using the table below.
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.