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.
The wiring between the power window regulator switch and the power window regulator motor is open or short.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
Inspect the fuses for circuit related to this system before performing the following inspection procedure.
PROCEDURE
CHECK FOR DTC
Check for DTCs Click here.
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| B2311 is output | B |
| B2312 is output | C |
| B2313 is output | D |
| LIN communication system DTCs are 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 power window regulator switch can operate the front passenger side door power window Click here.
| OK |
|---|
| Manual UP/DOWN function operates. |
| NG |
|
GO TO FLOW CHART (FRONT PASSENGER SIDE POWER WINDOW MOTOR CIRCUIT) Click here |
| OK |
|
READ VALUE USING INTELLIGENT TESTER (P-DOOR MOTOR)
Connect the intelligent tester to the DLC3.
Turn the ignition switch to ON.
Turn the tester on.
Enter the following menus: Body / P-Door Motor / Data List.
According to the display on the tester, read the Data List.
| 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 side power window auto UP/DOWN switch operated OFF: Front passenger side power window switch not operated |
- |
| OK |
|---|
| The tester display changes when front passenger side power window switch is operated. |
| NG |
|
CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH - POWER WINDOW REGULATOR MOTOR) Click here |
| OK |
|
REPLACE FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY Click here
CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH - POWER WINDOW REGULATOR MOTOR)
| *1 | Front view of wire harness connector (to Power Window Regulator Switch Assembly) |
| *2 | Front view of wire harness connector (to Front Power Window Regulator Motor Assembly) |
| *3 | for LHD |
| *4 | for RHD |
Disconnect the E2 or F2 power window regulator switch assembly connector.
Disconnect the E4 or F4 front power window regulator motor assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|||||||||
|
Reconnect the front power window regulator motor assembly connector.
Reconnect the power window regulator switch assembly connector.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY
| *1 | Component without harness connected (Power Window Regulator Switch Assembly) |
Remove the power window regulator switch assembly Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Reinstall the power window regulator switch assembly.
| NG |
|
REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY Click here |
| OK |
|
REPLACE FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY Click here