DESCRIPTION
If the auto up/down function does not operate, the cause may be one or more of the following:
The ECU in the door window regulator determines that the door window regulator motor has not been initialized.
The rear power window regulator switch RH has a malfunction.
The Hall IC in the door window regulator motor has a malfunction.
There is an open or short in the wiring between the rear power window regulator switch RH and the door window regulator motor.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CHECK FOR DTC
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 |
| 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 DOOR WINDOW REGULATOR SWITCH ASSEMBLY RH)
Check that the manual up/down function using the rear power window regulator switch RH can operate the rear door power window RH Click here.
| OK |
|---|
| Manual up/down function operates. |
| NG |
|
GO TO "Rear Power Window RH does not Operate with Rear Power Window Switch RH" Click here |
| OK |
|
READ VALUE USING INTELLIGENT TESTER (REAR DOOR WINDOW REGULATOR ASSEMBLY RH)
Use the Data List to check if the power window regulator is functioning properly Click here.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| RR Door P/W Auto SW | Rear power window RH auto up/down signal / ON or OFF | ON: Rear power window RH auto up/down switch operated OFF: Rear power window RH switch not operated |
- |
| OK |
|---|
| Display changes according to operation of rear power window switch RH. |
| NG |
|
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH Click here |
| OK |
|
REPLACE REAR DOOR WINDOW REGULATOR ASSEMBLY RH Click here
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH
Remove the rear power window regulator switch RH Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH - REAR DOOR WINDOW REGULATOR ASSEMBLY RH)
| *1 | Front view of wire harness connector (to Rear Power Window Regulator Switch RH) |
| *2 | Front view of wire harness connector (to Rear Door Window Regulator RH) |
Disconnect the L1 switch connector.
Disconnect the L3 regulator connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE REAR DOOR WINDOW REGULATOR ASSEMBLY RH Click here