Problem Symptoms Table
WARNING: This page is about a different car, the 2010 Lexus GS 450h. However, it is still accessible from the selected car via links, so may be relevant.
POWER WINDOW CONTROL SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Driver side power window does not operate with power window master switch | Multiplex communication system | Refer to Driver Side Power Window does not Operate with Power Window Master Switch |
| MPX-B fuse | - | |
| Wire harness or connector | - | |
| Front power window regulator motor assembly (for driver side) | - | |
| Power window master switch (for driver side) | - | |
| Front passenger side power window does not operate with front passenger side power window switch | Multiplex communication system | Refer to Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch |
| Front power window regulator motor assembly (for front passenger side) | - | |
| Power window switch (for front passenger side) | - | |
| Wire harness or connector | - | |
| Rear power window LH does not operate with rear power window switch LH | Multiplex communication system | Refer to Rear Power Window LH does not Operate with Rear Power Window Switch LH |
| Rear power window regulator motor assembly LH | - | |
| Power window switch (for rear LH side) | - | |
| Wire harness or connector | - | |
| Rear power window RH does not operate with rear power window switch RH | Multiplex communication system | Refer to Rear Power Window RH does not Operate with Rear Power Window Switch RH |
| Rear power window regulator motor assembly RH | - | |
| Power window switch (for rear RH side) | - | |
| Wire harness or connector | - | |
| Driver side power window Auto Up / Down function does not operate with power window master switch | Front 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 |
| Power window master switch (for driver side) | - | |
| Wire harness or connector | - | |
| Front passenger side power window Auto Up / Down function does not operate with front passenger side power window switch | Front 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 switch (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 | Rear power window regulator motor assembly LH | Refer to Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH |
| Power window switch (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 | Rear power window regulator motor assembly RH | Refer to Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH |
| Power window switch (for rear RH side) | - | |
| Wire harness or connector | - | |
| Remote Up / Down function does not operate | Power window regulator motor assembly (applicable location) | Refer to Remote Up / Down Function does not Operate |
| Power window master switch (for driver side) | - | |
| Wire harness or connector | - | |
| Key-off operation function operates even if operating conditions are not satisfied | Front door courtesy light switch assembly (for driver side) | Refer to Key-off Operation Function Operates even if Operating Conditions are not Satisfied |
| Body ECU (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) |
| Check and clean glass run (applicable location) | - | |
| Power window regulator motor assembly (applicable location) | - | |
| 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 | - | |
| Body ECU (cowl side junction block RH) | - | |
| Jam protection function does not operate | Glass position initialization (applicable location) | Refer to Jam Protection Function does not Operate |
| Power window regulator motor assembly (applicable location) | - |