SYMPTOM TROUBLESHOOTING CHART [POWER WINDOW SYSTEM]
| No. | Malfunction symptom |
|---|
| 1 | NO. 1 THE AUTO OPEN FUNCTION ON THE DRIVER'S AND PASSENGER'S SIDE POWER WINDOW IS INOPERATIVE [POWER WINDOW SYSTEM] |
| 2 | NO. 2 THE DRIVER'S SIDE POWER WINDOW IS INOPERATIVE [POWER WINDOW SYSTEM] |
| 3 | NO. 3 THE PASSENGER'S SIDE POWER WINDOW IS INOPERATIVE [POWER WINDOW SYSTEM] |
| 4 | NO. 4 ALL POWER WINDOWS ARE INOPERATIVE [POWER WINDOW SYSTEM] |
| 5 | NO. 5 ABNORMAL NOISE WHILE THE DOOR GLASS IS OPENING OR CLOSING [POWER WINDOW SYSTEM] |
POWER WINDOW SYSTEM SYMPTOM TROUBLESHOOTING CHART
Scheme 4
Scheme 4: POWER WINDOW SYSTEM TROUBLESHOOTING QUESTIONNAIRE [POWER WINDOW SYSTEM]
Manual Open/close Function Inspection
| STEP | INSPECTION | ACTION |
|---|
| 1 | Turn the ignition switch to the ON position. Operate the driver-side power window using the manual open/close function on the power window main switch. Does the driver-side power window operate properly? | Yes | Go to the next step. |
| No | Inspect the following items: Power window main switch power supply fuse Power window main switch ground wiring harness Power window main switch power supply wiring harness Wiring harness between power window main switch and driver-side power window motor Power window main switch (driver-side power window control is malfunctioning) Driver-side power window motor Repair or replace the malfunctioning part, then go to the next step. |
| 2 | Operate the passenger-side power window using the power window main switch. Does the passenger-side power window operate properly? | Yes | Manual open/close function is normal. Perform the auto open/close function inspection. |
| No | Inspect the following items: Wiring harness between power window main switch and passenger-side power window motor Power window main switch (passenger-side power window control is malfunctioning) Passenger-side power window motor Repair or replace the malfunctioning part, then go to the next step. |
MANUAL OPEN/CLOSE FUNCTION INSPECTION CHART
Auto Open Function Inspection
Note. The soft-top models do not have passenger's side power window auto open function.
| STEP | INSPECTION | ACTION |
|---|
| 1 | Turn the ignition switch to the ON position. Operate the driver-side and passenger-side power window using the auto open function on the driver-side and passenger-side power window main switch. Do each power window operate properly? | Yes | Go to the next step. |
| No | Go to NO. 1 THE AUTO OPEN FUNCTION ON THE DRIVER'S AND PASSENGER'S SIDE POWER WINDOW IS INOPERATIVE [POWER WINDOW SYSTEM] . |
| 2 | Operate the power window main switch to the close position while the power window is opening. Does the power window operation stop? | Yes | Auto open function is normal. |
| No | Replace the power window main switch, (power window control unit is malfunctioning). |
AUTO OPEN FUNCTION INSPECTION CHART
Diagnostic procedure
| STEP | INSPECTION | ACTION |
|---|
| 1 | Turn the ignition switch to ON position. Operate driver and passenger side power window using automatic open function on the power window main switch. Do each side power window open normally? | Yes | The power window system is normal. |
| No | Automatic open function does not operate both sides: Go to the next step. Automatic open function does not operate one side: Go to step 4. |
| 2 | Turn the ignition switch to ON position. Measure the voltage between power window main switch following terminal and ground. Terminal 1B (power retractable hardtop model) Terminal I (soft-top model) Is the voltage B+? | Yes | Go to the next step. |
| No | Repair or replace for open circuit. |
| 3 | Turn the ignition switch to LOCK position. Disconnect the power window main switch connector. Verify that the continuity between following power window main switch terminal and ground. Terminal 1G (power retractable hardtop model) Terminal J (soft-top model) Is there continuity? | Yes | Inspect the power window main switch. See POWER WINDOW MAIN SWITCH INSPECTION Replace the power window main switch if necessary. |
| No | Repair or replace for open circuit. |
| 4 | Turn the ignition switch to ON position. Operate suspected side power window using manual open function on the power window main switch. Do suspected side power window open normally? | Yes | Replace the power window main switch, (power window control unit malfunction) See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION . |
| No | Go to the next step. |
| 5 | Turn the ignition switch to LOCK position. Disconnect the power window main switch and suspected side power window motor connector. Inspect for poor connection, (such as damaged/pulled-out pins, corrosion etc.). Is there any malfunction? | Yes | Go to the next step. |
| No | Repair or replace malfunctioning part. |
| 6 | Inspect for open or short circuit in wiring harness between suspected side power window motor and power window main switch. Power retractable hardtop model driver's side: Terminal 1I (main switch)-terminal G (motor) Terminal 1J (main switch)-terminal A (motor) Power retractable hardtop model passenger's side: Terminal 1D (main switch)-terminal G (motor) Terminal 1F (main switch)-terminal A (motor) Soft-top model driver's side: Terminal G (main switch)-terminal G (motor) Terminal B (main switch)-terminal A (motor) Soft-top model passenger's side: Terminal A (main switch)-terminal G (motor) Terminal D (main switch)-terminal A (motor) Is the open or short circuit detected? | Yes | Repair or replace for open or short circuit. |
| No | Go to the next step. |
| 7 | Inspect suspected side power window motor. See POWER WINDOW MOTOR INSPECTION . Is the power window motor normal? | Yes | Replace the power window main switch, (power window control unit malfunction, auto switch malfunction) See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION . |
| No | Replace the power window motor. See POWER WINDOW REGULATOR REMOVAL/INSTALLATION. |
| STEP | INSPECTION | ACTION |
|---|
| 1 | Turn the ignition switch to the ON position. Does the LED on the power window main switch illuminate? | Yes | Go to step 6. |
| No | Go to the next step. |
| 2 | Operate the passenger's side power window using the power window main switch. Does the power window operate properly? | Yes | Go to the next step. |
| No | Inspect for an open or short circuit in the following wiring harnesses. Inspect the connector connections (damage/pulled-out pins, corrosion): P.WIND 20 A fuse-Power window main switch terminal 1B (power retractable hardtop model)/I (soft-top model). Power window main switch terminal 1G (power retractable hardtop model)/terminal J (soft-top model)-ground. Repair or replace if necessary. |
| 3 | Is the P.WIND 20 A fuse normal? | Yes | Go to step 5. (power retractable hardtop model with exterior open function) Replace the power window main switch. See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION . (power retractable hardtop model without exterior open function/soft-top model) |
| No | Inspect the following: Short circuit in B+ power supply wiring harness Short circuit in power window motor Repair or replace if necessary. Replace with the appropriate standard fuse. Then, go to the next step. |
| 4 | Operate the power window system. Do the power windows operate properly? | Yes | Troubleshooting is completed. |
| No | Re-confirm the symptom and go to step 1. |
| 5 | Measure the voltage at the power window main switch terminal 1A. Is the voltage B+? | Yes | Replace the power window main switch. See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION . |
| No | Inspect for an open or short circuit in the power window main switch wiring harness (battery power supply). Inspect the power window main switch connector connection, (damage/pulled-out pins, corrosion) Repair or replace if necessary. |
| 6 | Measure the voltage at the power window main switch, (power window motor output terminal) while operating the power window using the power window main switch. Is the voltage B+? Power retractable hardtop model: Open: terminal U/close: terminal 1I Soft-top model: Open: terminal B/close: terminal G | Yes | Go to the next step. |
| No | Replace the power window main switch. See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION . |
| 7 | Measure the voltage at the power window motor, (battery power supply terminal) while operating the power window using the power window main switch. Is the voltage B+? (Open: terminal A/close: terminal G) | Yes | Go to the next step. |
| No | Inspect for an open or short circuit in the wiring harness between the power window main switch and the power window motor. Inspect the power window main switch and power window motor connector connections, (damage/pulled-out pins, corrosion) Repair or replace if necessary. |
| 8 | Operate the driver's side power window using the power window main switch. Does the power window motor operate (rotate)? CAUTION: If the power window motor temperature is high, the motor may not rotate due to the motor internal bimetal function. Leave it untouched for about 3 min to cool it down, then reinspect. | Yes | Go to the next step. |
| No | Replace the power window motor. See POWER WINDOW REGULATOR REMOVAL/INSTALLATION. |
| 9 | Remove the door glass from the carrier plate. Make sure that the door glass moves smoothly using your hand. Does the door glass move smoothly? | Yes | Replace the power window regulator. See POWER WINDOW REGULATOR REMOVAL/INSTALLATION. |
| No | Inspect for a bent regulator guide or other possible malfunction. If normal, replace the door glass run-channel. |
| CAUTION |
|---|
| If the power window motor temperature is high, the motor may not rotate due to the motor internal bimetal function. Leave it untouched for about 3 min to cool it down, then reinspect. |
| STEP | INSPECTION | ACTION |
|---|
| 1 | Turn the ignition switch to the ON position. Operate the driver's side power window using the power window main switch. Does the power window operate properly? | Yes | Go to the next step. |
| No | Go to the symptom "No. 4 ALL POWER WINDOWS ARE INOPERATIVE" troubleshooting procedure. |
| 2 | Measure the voltage at the power window main switch (power window motor output terminal) while operating the passenger's side power window using the power window main switch. Is the voltage B+? Power retractable hardtop model: Open: terminal 1F/close: terminal 1D Soft-top model: Open: terminal D/close: terminal A | Yes | Go to the next step. |
| No | Replace the power window main switch. See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION . |
| 3 | Measure the voltage at the power window motor (battery power supply terminal) while operating the passenger's side power window using the power window main switch. Is the voltage B+? (Open: terminal A/close: terminal G) | Yes | Go to the next step. |
| No | Inspect for an open or short circuit in the wiring harness between the power window main switch and the power window motor. Inspect the power window main switch and power window motor connector connections, (damage/pulled-out pins, corrosion) Repair or replace as necessary. |
| 4 | Operate the passenger's side power window using the power window main switch. Does the power window motor operate (rotate)? CAUTION: If the power window motor temperature is high, the motor may not rotate due to the motor internal bimetal function. Leave it untouched for about 3 min to cool It, then reinspect. | Yes | Go to the next step. |
| No | Replace the power window motor. See POWER WINDOW REGULATOR REMOVAL/INSTALLATION. |
| 5 | Remove the door glass from carrier plate. Make sure that the door glass moves smoothly using your hand. Does the door glass move smoothly? | Yes | Replace the power window regulator. See POWER WINDOW REGULATOR REMOVAL/INSTALLATION. |
| No | Inspect for a bent regulator guide or other possible malfunction. If normal, replace the door glass run-channel. |
| CAUTION |
|---|
| If the power window motor temperature is high, the motor may not rotate due to the motor internal bimetal function. Leave it untouched for about 3 min to cool It, then reinspect. |
| STEP | INSPECTION | ACTION |
|---|
| 1 | Operate the passenger's side power window using the power window main switch. Does any power window operate? | Yes | Go to step 5. |
| No | Go to the next step. |
| 2 | Operate the driver's side power window using the power window main switch. Does the power window operate? | Yes | Go to the next step. |
| No | Inspect for an open circuit in the wiring harness between the power window main switch and the body ground. Inspect the power window main switch connector connection, (damage/pulled-out pins, corrosion) Repair or replace if necessary. |
| 3 | Is the P.WIND 20 A fuse normal? | Yes | Replace with the appropriate standard fuse. If the fuse is melted, inspect the wiring harness for a short to ground. Repair or replace the wiring harness, then replace the fuse. |
| No | Go to the next step, (power retractable hardtop model with exterior open function). Replace the power window main switch. See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION . (power retractable hardtop model without exterior open function/soft-top model.) |
| 4 | Measure the voltage at the power window main switch terminal 1A. Is the voltage B+? | Yes | Replace the power window main switch. See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION . |
| No | Inspect for an open or short circuit in the power window main switch wiring harness, (battery power supply) Inspect the power window main switch connector connection. (damage/pulled-out pins, corrosion) Repair or replace if necessary. |
| 5 | Operate the power window using the power window main switch. Does the power window motor operate (rotate)? CAUTION: If the power window motor temperature is high, the motor may not rotate due to the motor internal bimetal function. Leave it untouched for about 3 min to cool it down, then reinspect. | Yes | Go to the next step. |
| No | Replace the power window motor. See POWER WINDOW REGULATOR REMOVAL/INSTALLATION. |
| 6 | Remove the door glass from the carrier plate. Make sure that the door glass moves smoothly using your hand. Does the door glass move smoothly? | Yes | Replace the power window regulator guide. |
| No | Inspect for a bent regulator guide or other possible malfunction. If normal, replace the glass run channel. |
| 7 | NOTE: Do not operate the power window main switch during the following inspection. Inspect the continuity between power window main switch terminal (up-side) 1I, 1D (power retractable hardtop model)/G, A (soft-top model) and ground. Is there continuity? | Yes | Go to the next step. |
| No | Replace the power window main switch. See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION . |
| 8 | NOTE: Do not operate the power window main switch during the following inspection. Inspect the continuity between power window main switch terminal (down-side) 1J, 1F (power retractable hardtop model)/B, D (soft-top model) and ground. Is there continuity? | Yes | Inspect the power window main switch connector connections, (damage/pulled-out pins, corrosion) Repair or replace if necessary. |
| No | Replace the power window main switch. See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION . |
| CAUTION |
|---|
| If the power window motor temperature is high, the motor may not rotate due to the motor internal bimetal function. Leave it untouched for about 3 min to cool it down, then reinspect. |
| NOTE |
|---|
| Do not operate the power window main switch during the following inspection. |
| NOTE |
|---|
| Do not operate the power window main switch during the following inspection. |
| Noise type | Time of occurrence | Possible cause | Location of noise | Action |
|---|
| Clanking noise | Door glass begins to move | Insufficiently tightened installation screw between the door glass and carrier plate. | Between door glass lower edge and carrier plate. | Securely tighten the installation screw. |
| Groaning noise (Sound increases due to use) | While door glass is operating | Vibration caused by wear on the resin part from cable twisting due to use of the power window regulator. NOTE: Noise does not occur if a roller is equipped to power window regulator resin part. | Power window regulator | Replace the power window regulator See POWER WINDOW REGULATOR REMOVAL/INSTALLATION. |
| Whining noise | Gear inside power window motor is deformed due to use. | Gear in power window motor | Replace the power window motor See POWER WINDOW REGULATOR REMOVAL/INSTALLATION. |
| Clicking noise (Periodic noise) |
| NOTE |
|---|
| Noise does not occur if a roller is equipped to power window regulator resin part. |
Scheme 5
![Scheme 4: POWER WINDOW SYSTEM TROUBLESHOOTING QUESTIONNAIRE [POWER WINDOW SYSTEM]](https://i.diagnostdata.com/repair/ae/aed181ee3722acbadc4c5f317728b2e522d3f20419f9ba26389287529e701bf5.webp)
