Toyota Yaris: Power Window Control System / Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch
DESCRIPTION
If the manual up and down functions operate normally but the auto up and down functions do not, the power window control system may be in fail-safe mode.
If power window initialization has not been performed, the auto up and down functions will not operate.
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
If the power window regulator motor assembly (for front passenger door) has been replaced with a new one, initialize the power window control system.
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-
Check that power window system customize settings "P Window Auto Up" and "P Window Auto Down" are set to "ON" before performing the following procedure.
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- After the catch protection function has operated, the auto up function will not operate the first time the power window auto up switch is operated. The auto up function will operate normally after the first power window switch operation.
HINT:
If the pulse sensor built into the power window regulator motor assembly (for front passenger door) is malfunctioning, the power window control system will enter 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 power window regulator switch assembly at the auto up position, and opened manually by pushing down the power window regulator switch assembly.
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PROCEDURE
| 1. | READ VALUE USING GTS (P-DOOR MOTOR) |
(a) Read the Data List according to the display on the GTS.
Body Electrical > P-Door Motor > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| P Door P/W Auto SW | Front passenger door power window auto switch signal | OFF or ON | OFF: Front passenger door power window auto up or auto down switch not being operated ON: Front passenger door power window auto up or auto down switch being operated | - |
| Tester Display |
|---|
| P Door P/W Auto SW |
OK:
On the GTS screen, ON or OFF is displayed accordingly.
| NG |
.gif) | GO TO STEP 4 |
|
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| 2. | PERFORM INITIALIZATION (for Front Passenger Door) |
(a) Initialize the power window regulator motor assembly (for front passenger door).
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|
| 3. | CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP / DOWN FUNCTION) |
(a) Check that the front passenger door power window moves when the auto up and down functions of the power window regulator switch assembly are operated.
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OK:
Front passenger door auto up and down functions are normal.
| OK |
| END (PROBLEM DUE TO INITIALIZATION FAILURE) |
| NG |
| REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Door) |
| 4. | INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY |
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| NG |
| REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY |
|
| 5. | CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Door)) |
(a) Disconnect the K7 power window regulator motor assembly (for front passenger door) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| K13-8 (AUTO) - K7-4 (AUTO) | Always | Below 1 Ω |
| K13-8 (AUTO) or K7-4 (AUTO) - Body ground | Always | 10 kΩ or higher |
| OK |
| REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Door) |
| NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
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