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
HINT:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Power window control system
| Symptom | Suspected area | Refer To |
|---|---|---|
| AUTO UP / DOWN function does not operate | 1. Power window regulator motor front LH | POWER WINDOWS DO NOT OPERATE AT ALL |
| 2. Wire harness | ||
| 3. Power window regulator master switch | ||
| Remote UP / DOWN function does not operate | 1. Power window regulator master switch | POWER WINDOWS DO NOT OPERATE AT ALL |
| 2. Wire harness | ||
| Manual UP / DOWN function does not operate on driver side | 1. FR DOOR fuse | FRONT PASSENGER SIDE POWER WINDOW SWITCH |
| 2. Power window regulator master switch | ||
| 3. Power window regulator motor front LH | ||
| 4. Wire harness | ||
| Manual UP / DOWN function does not operate on passenger side only | 1. Power window regulator switch front RH | POWER WINDOWS DO NOT OPERATE AT ALL |
| 2. Power window regulator motor front RH | ||
| 3. Wire harness | ||
| Manual UP / DOWN function does not operate on rear LH side only | 1. Power window regulator switch rear LH | POWER WINDOWS DO NOT OPERATE AT ALL |
| 2. Power window regulator motor rear LH | ||
| 3. Wire harness | ||
| Manual UP / DOWN function does not operate on rear RH side only | 1. Power window regulator switch rear RH | POWER WINDOWS DO NOT OPERATE AT ALL |
| 2. Power window regulator motor rear RH | ||
| 3. Wire harness | ||
| Jam protection function does not operate | 1. Power window regulator master switch | AUTO UP OPERATION DOES NOT FULLY CLOSE POWER WINDOW (JAM PROTECTION FUNCTION IS ACTIVATED) |
| Power windows do not operate at all | 1. AM2 fuse | POWER WINDOWS DO NOT OPERATE AT ALL |
| 2. GAUGE fuse | ||
| 3. PWR H-fuse | ||
| 4. ECU-IG fuse | ||
| 5. FR DOOR fuse | ||
| 6. PWR relay | ||
| 7. IG1 relay | ||
| 8. Power window regulator master switch | ||
| 9. Wire harness | ||
| 10. Driver side junction block (Body ECU) | ||
| Power window can be operated after power switch is turned OFF even if operative conditions are not met | 1. Power window regulator master switch | POWER WINDOW CAN BE OPERATED AFTER POWER SWITCH IS TURNED OFF EVEN IF OPERATIVE CONDITIONS ARE NOT MET |
| 2. Front door courtesy light switch | ||
| 3. Wire harness | ||
| 4. Driver side junction block (Body ECU) | ||
| AUTO UP operate does not fully close power window (jam protection function is activated) | 1. Front door window regulator | POWER WINDOW CAN BE OPERATED AFTER POWER SWITCH IS TURNED OFF EVEN IF OPERATIVE CONDITIONS ARE NOT MET |
| 2. Power window regulator motor front LH | ||
| 3. Power window regulator master switch |
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.
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