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.
Problem Symptoms Table
2009 Toyota Sienna XLE, FWDSECTION Problem Symptoms Table
POWER WINDOW CONTROL SYSTEM (W/O JAM PROTECTION)
POWER WINDOW CONTROL SYSTEM PROBLEM SYMPTOMS CHART
| Symptom | Suspected Area | See instruction |
|---|---|---|
| All power windows do not operate | 1. PWR fuse | - |
| 2. Power window relay (Marking: P/W) | - | |
| 3. Ignition switch | - | |
| 4. Power window regulator master switch | POWER WINDOW MASTER SWITCH | |
| 5. Power window regulator motor assembly | FRONT PASSENGER SIDE POWER WINDOW SWITCH | |
| 6. Wire harness | - | |
| Only one power windows does not operate | 1. Power window regulator master switch | POWER WINDOW MASTER SWITCH |
| 2. Power window regulator switch (Front passenger) | FRONT PASSENGER SIDE POWER WINDOW SWITCH | |
| 3. Power window regulator switch (Rear) | REAR POWER WINDOW SWITCH | |
| 4. Power window regulator motor assembly | POWER WINDOW REGULATOR MOTOR | |
| 5. Wire harness | - | |
| AUTO DOWN function does not operate | 1. Power window regulator master switch | POWER WINDOW MASTER SWITCH |
| 2. Power window regulator motor assembly | POWER WINDOW REGULATOR MOTOR | |
| Window lock system does not operate | 1. Power window regulator master switch | POWER WINDOW MASTER SWITCH |
| Window cannot be operated after ignition switch OFF | 1. Front door courtesy switch assembly | FRONT DOOR COURTESY SWITCH |
| 2. Driver side J/B assembly (Multiplex network body ECU) | - |
RENDER: 1.0x
NO RELATED
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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.