DESCRIPTION
If the AUTO UP/DOWN function does not operate, the cause may be one or more of the following:
ECU in the power window regulator motor determines that the power window regulator motor has not been initialized.
The master switch has a malfunction.
The Hall-IC in the driver side power window regulator motor has a malfunction.
The wiring between the master switch and the driver side power window regulator motor is open or short.
INSPECTION PROCEDURE
PROCEDURE
CHECK FOR DTC
Check for DTCs.
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| B2311 is output | B |
| B2312 is output | C |
| B2313 is output | D |
| LIN communication system DTC is output | E |
| B |
|
GO TO DTC B2311 Click here |
| C |
|
GO TO DTC B2312 Click here |
| D |
|
GO TO DTC B2313 Click here |
| E |
|
GO TO LIN COMMUNICATION SYSTEM Click here |
| A |
|
CHECK MANUAL UP / DOWN FUNCTION
Check that the manual UP/DOWN function using the master switch can operate the driver door power window.
| OK |
|---|
| Manual UP/DOWN function operates normally. |
| NG |
|
OTHER PROBLEM Click here |
| OK |
|
READ VALUE USING INTELLIGENT TESTER (Master Switch)
Use the Data List to check if the master switch is functioning properly.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| D Door P/W Auto SW | Driver side power window auto UP/DOWN switch signal / ON or OFF | ON: Driver side power window auto UP/DOWN switch on master switch operated OFF: Driver side power window switch on master switch not operated |
- |
| OK |
|---|
| Tester display changes normally when master switch is operated. |
| Result | Proceed to |
|---|---|
| NG | A |
| OK (for LHD) | B |
| OK (for RHD) | C |
| B |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
| C |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| A |
|
REPLACE MASTER SWITCH ASSEMBLY Click here