DESCRIPTION
When the power switch is on (IG), the multiplex network master switch assembly sends remote up and 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 INTELLIGENT TESTER (Main Body)
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Main Body / Data List.
Read the Data List according to the display on the intelligent tester.
| 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 (multiplex network body ECU) / 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 (multiplex network body ECU) / 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 (multiplex network body ECU) / OK or STOP | OK: Normal communication STOP: Communication stopped |
- |
| Communication Master SW | Connection status between multiplex network master switch assembly and main body ECU (multiplex network body ECU) / OK or STOP | OK: Normal communication STOP: Communication stopped |
- |
| OK |
|---|
| On the intelligent tester screen, OK is displayed. |
| NG |
|
GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting) Click here |
| OK |
|
READ VALUE USING INTELLIGENT TESTER (Master Switch)
Enter the following menus: Body / Master Switch / Data List.
Read the Data List according to the display on the intelligent tester.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| P Door P/W Auto SW | Front passenger side power window auto up and 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 and 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 and 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 intelligent tester 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 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Click here