DESCRIPTION
When the ignition switch is ON, the power window regulator master switch assembly sends remote up/down signals to each power window regulator motor assembly via the LIN communication line.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
The power window control system uses a multiplex communication system (LIN communication system). Inspect the communication function by following How to Proceed with Troubleshooting Click here. Troubleshoot the power window control system after confirming that the communication system is functioning properly.
PROCEDURE
READ VALUE USING GTS (Main Body)
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Body Electrical / Main Body / Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Communication P-Door Motor | Connection status between power window regulator motor (for front passenger side) and main body ECU (driver side junction block assembly) / OK or STOP | OK: Normal communication STOP: Communication stopped |
- |
| Communication RL-Door Motor | Connection status between power window regulator motor (for rear LH) and main body ECU (driver side junction block assembly) / OK or STOP | OK: Normal communication STOP: Communication stopped |
- |
| Communication RR-Door Motor | Connection status between power window regulator motor (for rear RH) and main body ECU (driver side junction block assembly) / OK or STOP | OK: Normal communication STOP: Communication stopped |
- |
| Communication Master SW | Connection status between power window master switch and main body ECU (driver side junction block assembly) / OK or STOP | OK: Normal communication STOP: Communication stopped |
- |
| OK |
|---|
| On the GTS screen, OK is displayed. |
| NG |
|
GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting) Click here |
| OK |
|
READ VALUE USING GTS (Master Switch)
Enter the following menus: Body Electrical / Master Switch / Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| P Door P/W Auto SW | Front passenger side power window auto up/down switch signal / ON or OFF | ON: Front passenger door power window auto switch operated OFF: Front passenger door power window auto switch not operated |
- |
| RL Door P/W Auto SW | Rear LH side power window auto up/down switch signal / ON or OFF | ON: Rear LH power window auto switch operated OFF: Rear LH power window auto switch not operated |
- |
| RR Door P/W Auto SW | Rear RH side power window auto up/down switch signal / ON or OFF | ON: Rear RH power window auto switch operated OFF: Rear RH power window auto switch not operated |
- |
| P Door P/W Up SW | Front passenger side power window manual up switch signal / ON or OFF | ON: Front passenger door power window manual up switch operated OFF: Front passenger door power window manual up switch not operated |
- |
| RL Door P/W Up Switch | Rear LH side power window manual up switch signal / ON or OFF | ON: Rear LH power window manual up switch operated OFF: Rear LH power window manual up switch not operated |
- |
| RR Door P/W Up Switch | Rear RH side power window manual up switch signal / ON or OFF | ON: Rear RH power window manual up switch operated OFF: Rear RH power window manual up switch not operated |
- |
| P Door P/W Down SW | Front passenger side power window manual down switch signal / ON or OFF | ON: Front passenger door power window manual down switch operated OFF: Front passenger door power window manual down switch not operated |
- |
| RL Door P/W Down SW | Rear LH side power window manual down switch signal / ON or OFF | ON: Rear LH power window manual down switch operated OFF: Rear LH power window manual down switch not operated |
- |
| RR Door P/W Down SW | Rear RH side power window manual down switch signal / ON or OFF | ON: Rear RH power window manual down switch operated OFF: Rear RH power window manual down switch not operated |
- |
| Window Lock Switch Status | Window lock switch signal / ON or OFF | ON: Window lock switch LOCK position OFF: Window lock switch UNLOCK position |
- |
| OK |
|---|
| On the GTS screen, ON or OFF is displayed accordingly. |
| Result | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| B |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) Click here |
| C |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side) Click here |
| D |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side) Click here |
| A |
|
REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Click here