DESCRIPTION
If the manual up and down function can be performed but the auto up and down function cannot, the fail-safe mode may be functioning.
If the power window initialization Click here has not been performed, the auto up and down function will not operate.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
The power window control system uses a multiplex communication system (LIN communication system). Inspect the communication function by following How to Proceed with Troubleshooting Click here. Troubleshoot the power window control system after confirming that the communication system is functioning properly.
When the power window regulator motor assembly (for front passenger side) is reinstalled or replaced, the power window control system must be initialized.
After a door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the auto up function is used. In such cases, the auto up function can be reinitialized by repeating the following operations at least 5 times:
Close the power window by fully pulling up the power window regulator switch assembly (for front passenger side) and holding it at the auto up position.
Open the power window by fully pushing down the power window regulator switch assembly (for front passenger side).
When the ECU determines that the power window regulator motor assembly (for front passenger side) has a malfunction, DTC B2311 is set.
PROCEDURE
READ VALUE USING INTELLIGENT TESTER (P-Door Motor)
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / P-Door Motor / Data List.
Read the Data List according to the display on the intelligent tester.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| P Door P/W Auto SW | Front passenger side power window auto switch signal / ON or OFF | ON: Front passenger door power window auto switch operated OFF: Front passenger door power window auto switch not operated |
- |
| OK |
|---|
| On the intelligent tester screen, ON or OFF is displayed accordingly. |
| NG |
|
INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side) Click here |
| OK |
|
PERFORM INITIALIZATION (for Front Passenger Side)
Initialize the power window regulator motor assembly (for front passenger side) Click here.
| NEXT |
|
CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP/DOWN FUNCTION)
Check that the front passenger side door power window moves when the auto up and down function of the power window regulator switch assembly (for front passenger side) is operated Click here.
| OK |
|---|
| Front passenger side auto up and down function is normal. |
| NG |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) Click here |
| OK |
|
END (PROBLEM DUE TO INITIALIZATION FAILURE)
INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side)
| *1 | Component without harness connected (Power Window Regulator Switch Assembly (for Front Passenger Side)) |
Remove the power window regulator switch assembly (for front passenger side) Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER WINDOW SWITCH - REGULATOR MOTOR)
| *1 | Front view of wire harness connector (to Power Window Regulator Switch Assembly (for Front Passenger Side)) |
| *2 | Front view of wire harness connector (to Power Window Regulator Motor Assembly (for Front Passenger Side)) |
| *3 | for LHD |
| *4 | for RHD |
Disconnect the power window regulator motor assembly (for front passenger side) connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|||||||||
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) Click here