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.
2007 Lexus LS 460FACTORY OEM SERVICE PROCEDURE
Component Function Check
WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FUNCTION
- Select HORN in "ACTIVE TEST" mode with CONSULT-III.
- Check the horn (high/low) operation.ACTIVE TEST
Test item Description HORN ON Horn relay ON (for 20 ms) Is the operation normal?
YES: Inspection End.
NO: Refer to "DIAGNOSIS PROCEDURE ".
Factory Service Tools
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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.