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.
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HOMESERVICE MANUALSTOYOTA2013SIENNA LE, AWDREPAIR AND DIAGNOSISBODY & FRAMEWINDOWSPOWER WINDOW CONTROL SYSTEM (DIAGNOSTIC CODES & SYMPTOM TESTS)POWER WINDOW CONTROL SYSTEMSYMPTOM TESTSFRONT PASSENGER SIDE POWER WINDOW AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH FRONT PASSENGER SIDE POWER WINDOW SWITCHINSPECTION PROCEDURE
2013 Toyota Sienna LE, AWD
Inspection Procedure
2013 Toyota Sienna LE, AWDSECTION Inspection Procedure
NOTE:
- The power window control system uses a multiplex communication system (LIN communication system). Inspect the communication function by following How to Proceed with Troubleshooting. Refer to HOW TO PROCEED WITH TROUBLESHOOTING . Troubleshoot the power window control system after confirming that the communication system is functioning properly.
- When the front power window regulator motor assembly RH is reinstalled or replaced, the power window control system must be initialized.
- After a door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the auto up function is used. In such cases, the auto up function can be reinitialized by repeating the following operations at least 5 times:
- Close the power window by fully pulling up the front power window regulator switch assembly RH and holding it at the auto up position.
- Open the power window by fully pushing down the front power window regulator switch assembly RH.
- When the ECU determines that the front power window regulator motor assembly RH has a malfunction, DTC B2311 is set.
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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.