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 LX 570FACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Chart
| DTC Code | Detection Item | Trouble Area | See |
|---|---|---|---|
| B2311 | Power Window Motor Malfunction | - Power window regulator motor - Battery disconnection when engine switch on (IG) - Incorrect installation of power window components - Overheated power window regulator motor |
Refer to DTC B2311: Power Window Motor Malfunction |
| B2312 | Power Window Switch Malfunction | - Multiplex network master switch - Power window regulator switch - Power window regulator motor - Harness or connector - Multiplex network master switch held in same position for more than 20 seconds. -Power window regulator switch held in same position for more than 20 seconds. |
Refer to DTC B2312: Power Window Switch Malfunction |
| B2313 | Glass Position Initialization Incomplete | - Power window regulator motor - Power window regulator motor not initialized |
Refer to DTC B2313: Glass Position Initialization Incomplete |
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.