DESCRIPTION
If the auto up/down function does not operate, the cause may be one or more of the following:
The ECU in the rear power window regulator motor RH determines that the rear power window regulator motor RH has not been initialized.
The rear power window regulator switch RH has a malfunction.
The Hall IC in the rear power window regulator motor RH has a malfunction.
There is an open or short in the wiring between the rear power window regulator switch RH and rear power window regulator motor RH.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
If the power window regulator motor assembly has been replaced with a new one, initialize the power window control system Click here.
If the power window regulator motor assembly and door window regulator sub-assembly have been removed and installed, or if the power window regulator motor assembly was reused when a door glass or door glass run was replaced, initialize the power window control system Click here.
PROCEDURE
READ VALUE USING GTS (RR DOOR P/W AUTO SW)
Use the Data List to check if the rear power window regulator switch RH 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 switch RH auto up/down operated OFF: Rear power window switch RH not operated |
- |
| OK |
|---|
| On GTS screen, item changes between ON and OFF according to above chart. |
| NG |
|
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH Click here |
| OK |
|
PERFORM INITIALIZATION
Initialize the rear power window regulator motor assembly RH Click here.
Check that the rear door power window RH moves when the auto up and down functions of the rear power window regulator switch assembly RH are operated Click here.
| OK |
|---|
| Rear RH side auto up and down functions are normal. |
| NG |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| OK |
|
END (POWER WINDOW CONTROL SYSTEM HAS NOT BEEN INITIALIZED)
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH
Remove the rear power window regulator switch assembly 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 POWER WINDOW REGULATOR MOTOR ASSEMBLY RH AND BODY GROUND)
Disconnect the R6 rear power window regulator switch assembly RH connector.
Disconnect the R1 rear power window regulator motor assembly RH 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 POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here