Problem Symptoms Table
WARNING: This page is about a different car, the 2009 Lexus IS 350 and 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
POWER WINDOW CONTROL SYSTEM
| Symptom | Suspected Area | Refer To |
|---|---|---|
| Remote Up / Down Function does not Operate | LIN communication line | Refer to Remote Up / Down Function does not Operate |
| Multiplex network master switch assembly | - | |
| Power window regulator motor assembly (for front passenger side) | - | |
| Power window regulator motor assembly (for rear LH side) | - | |
| Power window regulator motor assembly (for rear RH side) | - | |
| Driver Side Power Window does not Operate with Power Window Master Switch | Power window regulator motor assembly (for driver side) | Refer to Driver Side Power Window does not Operate with Power Window Master Switch |
| Multiplex network master switch assembly | - | |
| Wire harness or connector | - | |
| Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch | Power window regulator motor assembly (for front passenger side) | Refer to Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch |
| Power window regulator switch assembly (for front passenger side) | - | |
| Multiplex network master switch assembly | - | |
| Wire harness or connector | - | |
| Rear Power Window LH does not Operate with Rear Power Window Switch LH | Power window regulator motor assembly (for rear LH side) | Refer to Rear Power Window LH does not Operate with Rear Power Window Switch LH |
| Power window regulator switch assembly (for rear LH side) | - | |
| Multiplex network master switch assembly | - | |
| Wire harness or connector | - | |
| Rear Power Window RH does not Operate with Rear Power Window Switch RH | Power window regulator motor assembly (for rear RH side) | Refer to Rear Power Window RH does not Operate with Rear Power Window Switch RH |
| Power window regulator switch assembly (for rear RH side) | - | |
| Multiplex network master switch assembly | - | |
| Wire harness or connector | - | |
| Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch | Power window regulator motor assembly (for driver side) | Refer to Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch |
| Multiplex network master switch assembly | - | |
| Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch | Power window regulator motor assembly (for front passenger side) | Refer to Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch |
| Power window regulator switch assembly (for front passenger side) | - | |
| Wire harness or connector | - | |
| Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH | Power window regulator motor assembly (for rear LH side) | Refer to Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH |
| Power window regulator switch assembly (for rear LH side) | - | |
| Wire harness or connector | - | |
| Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH | Power window regulator motor assembly (for rear RH side) | Refer to Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH |
| Power window regulator switch assembly (for rear RH side) | - | |
| Wire harness or connector | - | |
| All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter | Wireless door lock control system | Refer to All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter |
| Power door lock control system | - | |
| Multiplex network master switch assembly | - | |
| Key-off Operation Function Operates even if Operating Conditions are not Satisfied | Lighting system | Refer to Key-off Operation Function Operates even if Operating Conditions are not Satisfied |
| Main body ECU RH (cowl side junction block RH) | - | |
| Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated) | Glass position initialization (applicable location) | Refer to Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated) |
| Improper installation (applicable location) | - | |
| Power window regulator motor assembly (for driver side) | - | |
| Power window regulator motor assembly (for front passenger side) | - | |
| Power window regulator motor assembly (for rear LH side) | - | |
| Power window regulator motor assembly (for rear RH side) | - | |
| Jam Protection Function does not Operate | Glass position initialization (applicable location) | Refer to Jam Protection Function does not Operate |
| Power window regulator motor assembly (for driver side) | - | |
| Power window regulator motor assembly (for front passenger side) | - | |
| Power window regulator motor assembly (for rear LH side) | - | |
| Power window regulator motor assembly (for rear RH side) | - |