Power Window Control System
This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting. Refer to MULTIPLEX COMMUNICATION SYSTEM .
POWER WINDOW CONTROL SYSTEM PROBLEM SYMPTOM
| Symptom | Suspect Area | Action |
|---|---|---|
| All the power windows do not operate. (Power Door Lock System is normal.) |
1. PWS terminal circuit | PWS CIRCUIT |
| 2. Power Window Master Switch | - | |
| 3. Wire Harness | POWER WINDOW CONTROL SYSTEM | |
| 4. Driver Door ECU | DRIVER DOOR CONTROL SYSTEM (DIAGNOSTICS) | |
| 5. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| Only the driver's window does not operate. | 1. Power Window Master Switch | POWER WINDOW CONTROL SYSTEM |
| 2. Power Window Switch | POWER WINDOW CONTROL SYSTEM | |
| 3. Power Window Motor | POWER WINDOW CONTROL SYSTEM | |
| 4. Wire Harness | - | |
| "Window lock function" does not operate. | 1. Power Window Master Switch | POWER WINDOW CONTROL SYSTEM |
| Window does not operate with power window master switch. (Manual or Automatic operation can be performed.) |
TROUBLESHOOTING NO. 1 | POWER WINDOW CONTROL SYSTEM |
| Remote control of all windows (Except driver's) does not functions with master switch. (Windows operate normally with each of master switch.) |
TROUBLESHOOTING NO. 2 | POWER WINDOW CONTROL SYSTEM |
| The Key related power window operations does not operate with driver side door key cylinder. (Master switch operation is normal.) |
TROUBLESHOOTING NO. 3 | POWER WINDOW CONTROL SYSTEM |
| Power window does not operate with multi-function transmitter. (Windows operate normally with master switch.) |
TROUBLESHOOTING NO. 4 | POWER WINDOW CONTROL SYSTEM |
| Window moves down without being ordered during the up operation. | TROUBLESHOOTING NO. 5 | POWER WINDOW CONTROL SYSTEM |