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 rear power window regulator switch and the power window regulator motor.
WIRING DIAGRAM
| *a | Rear Power Window Regulator Switch Assembly LH |
| *b | Rear Power Window Regulator Motor Assembly LH |
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 (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH)
Check that the manual up/down function using the rear power window regulator switch can operate the rear door power window LH Click here.
| OK |
|---|
| Manual up/down function operates. |
| NG |
|
OTHER PROBLEM Click here |
| OK |
|
READ VALUE USING INTELLIGENT TESTER (REAR POWER WINDOW REGULATOR MOTOR LH)
Use the Data List to check if the power window regulator motor is functioning properly Click here.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| RL Door P/W Auto SW | Rear power window LH auto up/down signal / ON or OFF | ON: Rear power window LH auto up/down switch operated OFF: Rear power window LH switch not operated |
- |
| OK |
|---|
| The display changes normally when rear power window switch LH is operated. |
| OK |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH LH - REAR POWER WINDOW REGULATOR MOTOR LH)
| *1 | Front view of wire harness connector: (to Power Window Regulator Switch) |
| *2 | Front view of wire harness connector: (to Power Window Regulator Motor) |
Disconnect the J10 switch connector.
Disconnect the J11 motor connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH
| *1 | Component without harness connected: (Rear Power Window Regulator Switch LH) |
Remove the rear power window regulator switch Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| OK |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
| NG |
|
REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY Click here |