SYMPTOM TROUBLESHOOTING CHART [POWER WINDOW SYSTEMS (AUTO-OPEN/CLOSE FUNCTION)]
| No. | TROUBLESHOOTING ITEM | REFERENCE |
|---|
| 1 | Door glass does not move up and down in automatic mode | (See NO.1 DOOR GLASS DOES NOT MOVE UP AND DOWN IN AUTOMATIC MODE [POWER WINDOW SYSTEMS (AUTO-OPEN/CLOSE FUNCTION)] .) |
| 2 | Door glass does not reverse, even when encountering a foreign object in its path. | (See NO.2 DOOR GLASS DOES NOT REVERSE, EVEN WHEN ENCOUNTERING A FOREIGN OBJECT IN ITS PATH [POWER WINDOW SYSTEMS (AUTO-OPEN/CLOSE FUNCTION)] .) |
| 3 | Door glass reverses even though the glass does not encounter a foreign object while it is moving up in automatic mode. | (See NO.3 DOOR GLASS REVERSES EVEN THOUGH THE GLASS DOES NOT ENCOUNTER A FOREIGN OBJECT WHILE IT IS MOVING UP IN AUTOMATIC MODE [POWER WINDOW SYSTEMS (AUTO-OPEN/CLOSE FUNCTION)] .) |
| 4 | Abnormal noise during the power window operation | (See NO.4 ABNORMAL NOISE WHILE THE DOOR GLASS IS OPENING OR CLOSING [POWER WINDOW SYSTEMS (AUTO-OPEN/CLOSE FUNCTION)] .) |
Power Window System Troubleshooting Questionnaire [Power Window Systems (Auto-Open/Close Function)]. Scheme 11
Scheme 11: Power Window System Troubleshooting Questionnaire [Power Window Systems (Auto-Open/Close Function)]
Scheme 12
Scheme 12: Inspection Method For Switch and/or Sensor Connectors or Wires
- Connect the M-MDS (IDS) to the DLC-2.
- Switch the ignition to ON. (engine off) NOTE: If the engine starts and runs, perform the following steps at idle.
- Access PIDs for the switch you are inspecting.
- Turn the switch on manually.
- Slightly shake each connector or wiring harness vertically and horizontally while monitoring the PID. (Scheme 12): Shaking Each Connector Or Wiring Harness Vertically And Horizontally While Monitoring PID If the PID value unstable, inspect for poor connection.
Inspection Method For Sensors
- Connect the M-MDS (IDS) to the DLC-2.
- Switch the ignition to ON. (engine off) NOTE: If the engine starts and runs, perform the following steps at idle.
- Access PIDs for the switch you are inspecting.
- Vibrate the sensor slightly with your finger. If the PID value is unstable or a malfunction occurs, inspect the for poor connection and / or poorly mounted sensor.
Scheme 13
Scheme 13: Connector Terminal Inspection Method
- Inspect the connection of each female terminal.
- Insert the terminal to the female terminal and inspect the female terminal for looseness. (Scheme 13): Inspecting Female Terminal For Looseness
Manual Mode Function Inspection
| STEP | INSPECTION | ACTION |
|---|
| 1 | Switch the ignition to ON. Turn the power-cut switch to UNLOCK. Does each door glass move up and down in manual mode using the power window subswitch? | Yes | Go to the next step. |
| No | Inspect the following items: Power window main switch (power-cut switch system malfunction) Power window subswitch power supply fuses (at BCM) Power window subswitch ground wiring harness Power window subswitch power supply wiring harnesses Wiring harness between power window subswitch and power window motor Power window subswitch Power window motor Repair or replace the malfunctioning part, then go to the next step. |
| 2 | Does the driver-side door glass move up and down in manual mode using the power window main switch? | Yes | Go to the next step. |
| No | Inspect the following items: Power window main switch power supply fuses (at BCM) Power window main switch ground wiring harness Power window main switch power supply wiring harnesses Wiring harness between power window main switch and power window motor Power window main switch Repair or replace the malfunctioning part, then go to the next step. |
| 3 | Does each other door glass other than the driver-side door glass move up and down in manual mode using the power window main switch? | Yes | Go to the next step. |
| No | Perform the power window initialization procedure for any door glass that does not move up and down, and reinspect. (See POWER WINDOW SYSTEM INITIALIZATION PROCEDURE .) If it does not move up and down upon re-inspection, inspect the following: Wiring harness between power window main switch and subswitch Repair or replace the malfunctioning part, then go to the next step. |
| 4 | Turn the power-cut switch to LOCK. Push/pull the power window main switch (switches for all windows in manual mode). Does only driver-side front door glass move up and down? | Yes | Manual mode function is normal. Go to the AUTOMATIC MODE FUNCTION INSPECTION . |
| No | Replace the power window main switch, then go to the AUTOMATIC MODE FUNCTION INSPECTION (power-cut switch system malfunction). |
Automatic Mode Function Inspection
Note. Perform the following inspection for the power window main switch and the power window subswitches for each window.
| STEP | INSPECTION | ACTION |
|---|
| 1 | Switch the ignition to ON. Operate the each power window switch in automatic mode. Does the each door glass move up and down in automatic mode? | Yes | Go to the next step. |
| No | Door glass does not move up and down in automatic mode: Go to Step 1 of NO. 1 DOOR GLASS DOES NOT MOVE UP AND DOWN IN AUTOMATIC MODE. Door glass moves up and down in automatic mode, but door glass reverses: Go to Step 1 of NO. 3 DOOR GLASS REVERSES EVEN THOUGH THE GLASS DOES NOT ENCOUNTER A FOREIGN OBJECT WHILE IT IS MOVING UP IN AUTOMATIC MODE. |
| 2 | Gently pull the each power window switch while the door glass is moving down in automatic mode. Does the glass stop? | Yes | Go to the next step. |
| No | Replace the suspected power window switch, then go to the AUTOMATIC DOOR GLASS RETURN FUNCTION INSPECTION . |
| 3 | Gently press the each power window switch while the door glass is moving up in automatic mode. Does the glass stop? | Yes | Automatic mode function is normal. Go to the AUTOMATIC DOOR GLASS RETURN FUNCTION INSPECTION . |
| No | Replace the suspected power window switch, then go to the AUTOMATIC DOOR GLASS RETURN FUNCTION INSPECTION . |
Automatic Door Glass Return Function Inspection
Note. Perform the following inspection for the power window main switch and the power window subswitches for each window. With the switch held at auto-up, the door glass does not automatically reverse even when a foreign object is encountered.
| STEP | INSPECTION | ACTION |
|---|
| 1 | Switch the ignition to ON. Lower the door glass completely. Use the power window switch to close the door glass in automatic mode. Does the door glass automatically reverse even though the glass does not encounter a foreign object while it is moving up in automatic mode? | Yes | Go to Step 1 of NO. 3 DOOR GLASS REVERSES EVEN THOUGH THE GLASS DOES NOT ENCOUNTER A FOREIGN OBJECT WHILE IT IS MOVING UP IN AUTOMATIC MODE. |
| No | Go to the next step. |
| 2 | Lower the door glass completely. Take a hammer and hold it against the inside of the top of the window frame so that the door glass will hit its handle when it is closed. Raise the door glass using automatic mode. When the door glass hits the hammer handle, does it immediately reverse and move down to approx. 200 mm {7.87 in} from the completely closed position? | Yes | Automatic door glass return function inspection is normal. Go to the IG OFF TIMER FUNCTION INSPECTION . |
| No | Go to Step 1 of NO. 2 DOOR GLASS DOES NOT REVERSE, EVEN WHEN ENCOUNTERING A FOREIGN OBJECT IN ITS PATH. |
IG OFF Timer Function Inspection
| STEP | INSPECTION | ACTION |
|---|
| 1 | Close all doors. Switch the ignition to ON. In automatic mode, push down the power window main switch for the driver-side front door glass. The door glass should move down within approx. 43 s after ignition switch off. In manual mode (finger continuously depressing the power window main switch), the door glass should move down within approx. 43 s after ignition switch off. Does the driver-side front door glass move down? | Yes | Go to the next step. |
| No | Perform the driver-side power window initialization procedure, and reinspect. (See POWER WINDOW SYSTEM INITIALIZATION PROCEDURE .) If it does not move up and down upon re-inspection, inspect the following: Wiring harness for the door open/close signal system Latch switch Repair or replace the malfunctioning part, and reinspect. If operation is not normal, replace the power window main switch, and then go to the next step. |
| 2 | Switch the ignition to ON. In automatic mode, pull up the power window main switch and subswitch for the all doors glass. The door glass does not move up within approx. 43 s after ignition switch off. Verify that driver-side all doors glass does not operate. Does the driver-side all doors glass move up? | Yes | Perform the suspect power window initialization procedure, and reinspect. (See POWER WINDOW SYSTEM INITIALIZATION PROCEDURE .) If operation is not normal, replace the suspect power window switch, then go to the next step. |
| No | Go to the next step. |
| 3 | Switch the ignition to ON. Perform the following for all doors. Lower the driver-side front door glass completely. Take a hammer and hold it against the inside of the top of the door glass frame so that the door glass will hit its handle when it is closing. Raise the door glass using manual mode. When the door glass hits the hammer handle, does it immediately reverse and move down to approx. 200 mm {7.87 in} from the completely closed position? | Yes | Go to the next step. |
| No | Perform the suspect power window initialization procedure, and reinspect. (See POWER WINDOW SYSTEM INITIALIZATION PROCEDURE .) If operation is not normal, replace the suspect power window switch, then go to the next step. |
| 4 | Open any door. Switch the ignition to ON. Push/pull the power window main switch or subswitch for all door glass within approx. 43 s after ignition switch off. Verify that the door glass does not move up or down. Does the door glass move up or down? | Yes | Inspect the suspect door switch and related wiring harness. If above parts are normal, replace the suspect power window switch, then go to the next step. If the above parts have any malfunction, repair or replace the malfunction part, then go to the next step. |
| No | Go to the next step. |
| 5 | Close all doors. Switch the ignition to ON. Push/pull the power window main switch or subswitch for all door glass after approx. 60 s after ignition switch off. Verify that the door glass does not move up or down. Does the door glass move up or down? | Yes | Perform the suspect power window initialization procedure, and reinspect. (See POWER WINDOW SYSTEM INITIALIZATION PROCEDURE .) |
| No | The IG OFF timer function is normal. |
Diagnostic Procedure
| STEP | INSPECTION | ACTION |
|---|
| 1 | INSPECT WHETHER POWER WINDOW SWITCH ENTERS FAIL-SAFE MODE OR NOT Switch the ignition to off for 3 minutes. Switch the ignition to ON. Initialize the power window system. Operate the auto open/close function. Does the power window operate properly? | Yes | System is normal. The power window system auto open/close function does not operate temporarily for any of the following reasons: The power window switch is operated while the power window motor protection circuit (integrated in power window motor) is operating. The power window main switch power supply is cut off by disconnection of the negative battery cable or removing the fuse. |
| No | Go to the next step. |
| 2 | VERIFY WHETHER MALFUNCTION IS IN WIRING HARNESS (BETWEEN POWER WINDOW SWITCH AND POWER WINDOW MOTOR) OR ELSEWHERE Switch the ignition to ON. Inspect the voltage at the following power window switch terminals (sensor 1 signal): Driver's side (at power window main switch): 2C Passenger's side (at power window subswitch): C Is the voltage approx.12 V when the door glass is moving up and down? | Yes | Go to step 7. |
| No | Go to the next step. |
| 3 | VERIFY SENSOR 1 OUTPUT SIGNAL Switch the ignition to ON. Inspect the voltage at the following power window motor terminals B (sensor 1 signal): Is the voltage approx. 12 V when the door glass is moving up and down in manual mode? | Yes | Go to the next step. |
| No | Replace the power window motor, then go to Step 12. |
| 4 | INSPECT WIRING HARNESS BETWEEN POWER WINDOW SWITCH AND POWER WINDOW MOTOR FOR CONTINUITY Switch the ignition to off. Disconnect the power window switch connector. Is there continuity between the following power window switch terminals (for driver's door at power window main switch, for except driver's door at suspected door's power window subswitch) and power window motor terminals? Driver's side: 2C-B (sensor 1 signal) 2B-D (sensor power supply) 2A-C (ground signal) Passenger's side: C-B (sensor 1 signal) K-D (sensor power supply) I-C (ground signal) | Yes | Go to the next step. |
| No | Repair the wiring harness between the power window switch and power window motor, then go to Step 12. |
| 5 | VERIFY WHETHER MALFUNCTION IS IN WIRING HARNESS (BETWEEN POWER WINDOW SWITCH AND POWER WINDOW MOTOR) OR POWER WINDOW SWITCH Switch the ignition to ON. Inspect the voltage at the following power window switch terminals (for driver's door at power window main switch, for except driver's door at suspected door's power window subswitch): Driver's side 2C (sensor 1 signal) 2A (ground signal) Passenger's side C (sensor 1 signal) I (ground signal) Is the voltage approx. 12 V ? | Yes | Repair the wiring harness between the power window switch and power window motor, then go to Step 12. |
| No | Replace the power window switch (open circuit or short to power supply in power window switch). |
| 6 | VERIFY WHETHER MALFUNCTION IS IN WIRING HARNESS (BETWEEN POWER WINDOW SWITCH AND POWER WINDOW MOTOR) OR ELSEWHERE Is there continuity between the following power window switch terminals (wiring harness-side) (for driver's door at power window main switch, for except driver's door at suspected door's power window subswitch) and ground? Driver's side 2C (sensor 1 signal) 2B (sensor power supply) Passenger's side C (sensor 1 signal) K (sensor power supply) | Yes | Replace the wiring harness between the power window switch and power window motor, then go to Step 12. |
| No | Go to the next step. |
| 7 | VERIFY WHETHER MALFUNCTION IS IN POWER WINDOW SWITCH OR ELSEWHERE Switch the ignition to ON. Inspect the voltage at the following power window switch terminals (sensor 2 signal) (for driver's door at power window main switch, for except driver's door at suspected door's power window subswitch): Driver's side: 2D Passenger's side: F Is the voltage approx. 6 V when the door glass is moving up and down? | Yes | Replace the power window switch (malfunction in power window switch automatic mode control), then go to Step 11. |
| No | Go to the next step. |
| 8 | VERIFY SENSOR 2 OUTPUT SIGNAL Switch the ignition to ON. Inspect the voltage at power window motor terminal A (sensor 2 signal). Is the voltage approx. 12 V when door glass is moving up and down? | Yes | Go to the next step. |
| No | Replace the power window motor, then go to Step 12. |
| 9 | VERIFY WHETHER MALFUNCTION IS IN WIRING HARNESS (BETWEEN POWER WINDOW SWITCH AND POWER WINDOW MOTOR) OR ELSEWHERE Switch the ignition to off. Disconnect the power window switch connector and power window motor connector. Is there continuity between the following power window switch terminals (for driver's door at power window main switch, for except driver's door at suspected door's power window subswitch) and power window motor terminals? Driver's side: 2D and A (sensor 2 signal) Passenger's side: F and A (sensor 2 signal) | Yes | Go to the next step. |
| No | Repair the wiring harness between the power window switch and power window motor, then go to Step 12. |
| 10 | VERIFY WHETHER MALFUNCTION IS IN WIRING HARNESS (BETWEEN POWER WINDOW SWITCH AND POWER WINDOW MOTOR) OR ELSEWHERE Is there continuity between the following power window switch terminals (sensor 2 signal) (for driver's door at power window main switch, for except driver's door at suspected door's power window subswitch) and ground? Driver's side: 2D Passenger's side: F | Yes | Repair the wiring harness between the power window switch and power window motor, then go to Step 12. |
| No | Go to the next step. |
| 11 | VERIFY WHETHER MALFUNCTION IS IN WIRING HARNESS (BETWEEN POWER WINDOW SWITCH AND POWER WINDOW MOTOR) OR POWER WINDOW SWITCH Switch the ignition to ON. Measure the voltage at the following power window switch terminals (sensor 2 signal) (for driver's door at power window main switch, for except driver's door at suspected door's power window subswitch): Driver's side: 2D Passenger's side: F Is the voltage approx. 12 V ? | Yes | Repair the wiring harness between the power window switch and front driver-side power window motor, then go to the next step. |
| No | Replace the power window switch (open circuit or short to power supply/ground in power window switch), then go to the next step. |
| 12 | REINSPECT MALFUNCTION SYMPTOM AFTER REPAIR Is malfunction no longer present? | Yes | Troubleshooting completed. Explain repairs to the customer. |
| No | Reinspect malfunction symptoms, then repeat from Step 1 if malfunction recurs. |
| STEP | INSPECTION | ACTION |
|---|
| 1 | VERIFY CUSTOMER COMPLAINT Did the customer complain that the door glass did not reverse when near complete closed position? | Yes | The system is normal. Explain to the customer that automatic window return power window system does not operate when near complete closed position. |
| No | Go to the next step. |
| 2 | RESET REVERSE AREA STORED IN DOOR GLASS MOTOR Perform the power window system initial setting procedure. Did malfunction disappear? | Yes | Troubleshooting completed. Explain to the customer that misadjustment of automatic window return range was the problem. |
| No | Replace the power window switch. Verify auto-up/down operation and if the automatic function does not operate, go to Step 1 of NO. 1 DOOR GLASS DOES NOT MOVE UP AND DOWN IN AUTOMATIC MODE. If the automatic function operates, replace the power window switch. |
| STEP | INSPECTION | ACTION |
|---|
| 1 | INSPECT MALFUNCTION SYMPTOM Does the malfunction symptom occur only under the following special conditions?: Driving over railroad tracks Driving on bumpy roads. Opening/closing the door. | Yes | The system is normal (Explain to the customer that this does not indicate a malfunction because the system is designed to reverse the door glass while it is closing if it receives vibration when the vehicle is crossing railroad tracks, driving on a bumpy road, or when the door is opened/closed.) |
| No | Go to the next step. |
| 2 | INSPECT ACRYLIC DOOR VISOR INSTALLATION CONDITION Is the acrylic door visor normal? | Yes | Go to the next step. |
| No | Install the side visor properly, then go to the next step. |
| 3 | INSPECT DOOR GLASS CLOSING SPEED Affix tape to the rear edge of the door glass as shown in the figure for placing marks (to facilitate seeing the door glass movement) Start the engine and idle it (to ensure a stabilized operational voltage). Does the door glass hesitate only once while its closing? | Yes | Mark the point where the door glass closing speed changed, then go to Step 5. |
| No | Go to the next step. |
| 4 | REINSPECT DOOR GLASS CLOSING SPEED Does the door glass hesitate periodically (5-6 times) while it is closing? | Yes | Replace the power window motor, then go to Step 8 (See POWER WINDOW MOTOR REMOVAL/INSTALLATION .) |
| No | Go to Step 8. |
| 5 | INSPECT GLASS RUN CHANNEL AND DOOR GLASS SLIDING SURFACE Is there an object caught between the glass run channel and the door glass, or is there roughness on the sliding surface (rubber surface)? | Yes | Object is caught between glass run channel and door glass: Remove the object. Roughness on the sliding surface (rubber surface): Replace the glass run channel. After performing one of the above actions, reinspect. If the malfunction is not corrected, go to Step 3. |
| No | Go to the next step. |
| 6 | INSPECT TIGHTENING OF DOOR GLASS TO CARRIER PLATE Is it normal? | Yes | Go to the next step. |
| No | After tightening correctly, reinspect. If the malfunction is not corrected, go to Step 3. |
| 7 | INSPECT CONDITION OF GLASS RUN CHANNEL AND DOOR GLASS Is it normal? | Yes | Go to the next step. |
| No | Assemble the glass run channel and door glass securely, and reinspect. If the malfunction is not corrected, go to Step 3. |
| 8 | INSPECT DOOR GLASS CLOSING SPEED Does the door glass hesitate at any location? | Yes | Repeat the inspection from Step 3. |
| No | Troubleshooting completed. |
Inspecting Power Window System. Scheme 14
Scheme 7: Identifying Tape On Rear Edge of Door Glass
Scheme 14: Inspecting Power Window System
| 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 FRONT POWER WINDOW REGULATOR REMOVAL/INSTALLATION .) (See REAR 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 MOTOR REMOVAL/INSTALLATION .) |
| Clicking noise (Periodic noise) |
| NOTE |
|---|
| Noise does not occur if a roller is equipped to power window regulator resin part. |
Identifying Carrier Plate, Power Window Regulator, Resin Part And Power Window Motor. Scheme 15
Scheme 15: Identifying Carrier Plate, Power Window Regulator, Resin Part And Power Window Motor
![Scheme 11: Power Window System Troubleshooting Questionnaire [Power Window Systems (Auto-Open/Close Function)]](https://i.diagnostdata.com/repair/10/1010666bada02deac1a7ab774ace72779e9c0a728014b5e63fff747b82956cc0.webp)
