Note
If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
Tech Tips
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.
| Symptom | Suspected Area | See page |
|---|---|---|
| Power window does not operate at all | Main body ECU (Multiplex network body ECU) | |
| Remote up/down function does not operate | Proceed to "Remote Up/Down Function does not Operate" | |
| Driver side power window does not operate with power window master switch | Proceed to "Driver Side Power Window does not Operate with Power Window Master Switch" | |
| Front passenger side power window does not operate with front passenger side power window switch | Proceed to "Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch" | |
| Rear power window LH does not operate with rear power window switch LH | Proceed to "Rear Power Window LH does not Operate with Rear Power Window Switch LH" | |
| Rear power window RH does not operate with rear power window switch RH | Proceed to "Rear Power Window RH does not Operate with Rear Power Window Switch RH" | |
| Power window inching function operates during driver side power window up operation (approximately 0.4 seconds) | Front power window regulator motor assembly LH (for LHD) | |
| Front power window regulator motor assembly RH (for RHD) | ||
| Power window inching function operates during front passenger side power window up operation (approximately 0.4 seconds) | Front power window regulator motor assembly RH (for LHD) | |
| Front power window regulator motor assembly LH (for RHD) | ||
| Power window inching function operates during rear power window LH up operation (approximately 0.4 seconds) | Rear power window regulator motor assembly LH | |
| Power window inching function operates during rear power window RH up operation (approximately 0.4 seconds) | Rear power window regulator motor assembly RH | |
| Driver side power window auto up/down function does not operate with power window master switch | Proceed to "Driver Side Power Window Auto Up/Down Function does not Operate with Power Window Master Switch" | |
| Front passenger side power window auto up/down function does not operate with front passenger side power window switch | Proceed to "Front Passenger Side Power Window Auto Up/Down Function does not Operate with Front Passenger Side Power Window Switch" | |
| Rear power window LH auto up/down function does not operate with rear power window switch LH | Proceed to "Rear Power Window LH Auto Up/Down Function does not Operate with Rear Power Window Switch LH" | |
| Rear power window RH auto up/down function does not operate with rear power window switch RH | Proceed to "Rear Power Window RH Auto Up/Down Function does not Operate with Rear Power Window Switch RH" | |
| Power windows do not operate with driver side door key cylinder | Proceed to "All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter" | |
| Power windows do not operate with wireless transmitter | Proceed to "All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter" | |
| Key-off operation function operates even if operating conditions are not satisfied | Proceed to "Key-off Operation Function Operates even if Operating Conditions are not Satisfied" | |
| Auto up operation does not fully close power window (jam protection function is activated) | Proceed to "Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated)" | |
| Auto down operation does not fully open power window (catch protection function is activated) | Proceed to "Auto Down Operation does not Fully Open Power Window (Catch Protection Function is Activated)" | |
| Jam protection function does not operate | Proceed to "Jam Protection Function does not Operate" |