Problem Symptoms Table
WARNING: This page is about a different car, the 2006 Lexus IS 350 and 2006 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
POWER WINDOW CONTROL SYSTEM
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | Reference |
|---|---|---|
| Power window does not operate with multiplex network master switch operation | ECU-B, ECU-IG, PWR fuse | - |
| Multiplex network master switch circuit (power source) | Power Window Master Switch Power Source Circuit | |
| Power window regulator motor circuit | Driver Side Power Window Motor Circuit | |
| Multiplex network master switch | - | |
| Front passenger side power window does not operate with multiplex network switch operation | PWR fuse | - |
| Multiplex network switch circuit (power source) | Front Passenger Side Power Window Switch Power Source Circuit | |
| Power window regulator motor circuit (front passenger side) | Front Passenger Side Power Window Motor Circuit | |
| Multiplex network switch (front passenger side) | - | |
| Rear LH side power window does not operate with multiplex network switch operation | PWR fuse | - |
| Multiplex network switch circuit (power source) | Rear Power Window Switch LH Circuit | |
| Power window regulator motor circuit (rear LH side) | Rear Power Window Motor LH Circuit | |
| Multiplex network switch (rear LH side) | - | |
| Rear RH side power window does not operate with multiplex network switch operation | PWR fuse | - |
| Multiplex network switch circuit (power source) | Rear Power Window Switch RH Circuit | |
| Power window regulator motor circuit (rear RH side) | Rear Power Window Motor RH Circuit | |
| Multiplex network switch (rear RH side) | - | |
| AUTO UP/DOWN function does not operate on driver side | Diagnosis check | DIAGNOSIS SYSTEM |
| Power window regulator motor reset | INITIALIZATION | |
| Multiplex network master switch | - | |
| Wire harness | - | |
| AUTO UP/DOWN function does not operate on any door side except driver side | Diagnosis check | DIAGNOSIS SYSTEM |
| Power window regulator motor reset | INITIALIZATION | |
| Multiplex network master switch | - | |
| Wire harness | - | |
| Remote UP/DOWN function does not operate | DATA LIST/ACTIVE TEST | DATA LIST/ACTIVE TEST |
| Multiplex network master switch | - | |
| Multiplex network body ECU | - | |
| Wire harness | - | |
| Power window can be operated after engine switch is turned off even if operated conditions are not met | Front door courtesy switch | INSPECTION |
| Wire harness | - | |
| AUTO UP operation does not fully close power window (Jam protection function is activated) | Power window regulator motor reset | CUSTOMIZE PARAMETERS |
| Check & clean glass run | - | |
| Multiplex network master switch | - |