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
| *a | Rear Power Window Regulator Switch Assembly RH |
| *b | Rear Power Window Regulator Motor Assembly RH |
CAUTION / NOTICE / HINT
Note
The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly Click here.
If the rear power window regulator motor assembly RH has been replaced with a new one, initialize the power window control system Click here.
Check that the "RR Window Auto Up" and "RR Window Auto Down" power window control system customize settings are "ON" before proceeding with work Click here.
After the catch protection function operates, the auto operation is not performed the first time auto up is performed. All auto up operations performed after the first operate normally.
Tech Tips
If the pulse sensor built into the rear power window regulator motor assembly RH is malfunctioning, the power window control system enters fail-safe mode. The remote up and down and auto up and down functions cannot be operated during fail-safe mode. However, the power window can be closed by holding the rear power window regulator switch assembly RH at the auto up position, and opened manually by pushing down the rear power window regulator switch assembly 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. |
| OK |
|
END (POWER WINDOW CONTROL SYSTEM HAS NOT BEEN INITIALIZED) |
| NG |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
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 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| OK |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |