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.
2011 Lexus LS 460 AWDFACTORY OEM SERVICE PROCEDURE
On-Vehicle Inspection
- INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
- Connect the Techstream to the DLC3.
- Start the engine and turn the tester on.
- Start and warm up the engine.
- Idle the engine.
- Enter the following menus: Powertrain / Engine / Active Test / Control the VVT Exhaust Linear (Bank 1) or Control the VVT Exhaust Linear (Bank 2).
- Check the engine speed while operating the Oil Control Valve (OCV) using the tester.
Standard
Tester Operation Specified Condition 0% Normal engine speed 30% Engine idles roughly If the result is not as specified, check the oil control valve, oil control valve filter, wiring and camshaft timing exhaust gear.
HINT:
- VVT EX B1: Command to activate exhaust side oil control valve of bank 1.
- VVT EX B2: Command to activate exhaust side oil control valve of bank 2.
Factory Service Tools
Use the Manual With the Right Hardware
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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.