DESCRIPTION
If the auto up/down function does not operate, the cause may be one or more of the following:
The ECU in the power window regulator motor determines that the power window regulator motor has not been initialized.
The power window regulator switch has a malfunction.
The Hall IC in the power window regulator motor has a malfunction.
There is an open or short in the wiring between the power window regulator switch and power window regulator motor.
WIRING DIAGRAM
INSPECTION PROCEDURE
Tech Tips
Since the power window control system has functions that use LIN communication, first confirm that there is no malfunction in the communication system by inspecting the LIN communication functions in accordance with the "How to Proceed with Troubleshooting" procedures. Then, conduct the following inspection procedure.
PROCEDURE
CHECK FOR DTC
Clear the DTCs Click here.
Check for DTCs Click here.
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| DTC B2311 is output | B |
| DTC B2312 is output | C |
| DTC B2313 is output | D |
| B |
|
GO TO DTC B2311 Click here |
| C |
|
GO TO DTC B2312 Click here |
| D |
|
GO TO DTC B2313 Click here |
| A |
|
CHECK MANUAL UP/DOWN FUNCTION (POWER WINDOW REGULATOR SWITCH)
Check that the manual up/down function using the front power window regulator switch can operate the front power window Click here.
| OK |
|---|
| Front passenger side door power window moves. |
| NG |
|
GO TO "Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch" Click here |
| OK |
|
READ VALUE USING INTELLIGENT TESTER (POWER WINDOW REGULATOR SWITCH)
Use the Data List to check if the front power window regulator is functioning properly Click here.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| P Door P/W Auto SW | Front passenger side power window auto up/down signal / ON or OFF | ON: Front passenger side power window auto up/down switch operated OFF: Front passenger side power window regulator switch not operated |
- |
| OK |
|---|
| On tester screen, item changes between ON and OFF according to above chart. |
| Result | Proceed to |
|---|---|
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG | C |
| B |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
| C |
|
INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY Click here |
| A |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here
INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY
Remove the power window regulator switch Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH - FRONT POWER WINDOW REGULATOR MOTOR RH AND BODY GROUND)
*1: for LHD
*2: for RHD
Disconnect the J1*1 or K10*2 power window regulator switch connector.
Disconnect the J7*1 or K7*2 power window regulator motor connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||
|
| Result | Proceed to |
|---|---|
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG | C |
| B |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
| C |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| A |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here