Toyota Tacoma (2015-2018) Service Manual: Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch
DESCRIPTION
If the manual up/down function can be performed but the auto up/down function cannot, the fail-safe mode may be functioning.
If the power window initialization (See page .gif)
) has not been performed, the auto up/down function will not operate.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- If the front power window regulator motor assembly RH has been replaced
with a new one, initialize the power window control system (See page
).
- Check that the "P Window Auto Up" and "P Window Auto Down" power window
control system customize settings are "ON" before proceeding with work (See
page ).
- 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.
HINT:
If the pulse sensor built into the front 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 power window regulator
switch assembly at the auto up position, and opened manually by pushing down the
power window regulator switch assembly (See page
).
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM (P-DOOR MOTOR) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / P-Door Motor / Data List.
(e) Read the Data List according to the display on the Techstream.
P-Door Motor (Front Power Window Regulator Motor Assembly RH)|
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 side power window auto switch operated OFF: Front passenger side power window auto switch not operated |
- |
OK:
On the Techstream screen, ON or OFF is displayed accordingly.
| NG | .gif) |
GO TO STEP 4 |
|
.gif)
|
2. |
PERFORM INITIALIZATION (FOR FRONT PASSENGER SIDE) |
(a) Initialize the front power window regulator motor assembly RH (See page
).
|
|
3. |
CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP/DOWN FUNCTION) |
(a) Check that the front passenger side power window moves when the auto up/down
function of the front power window regulator switch assembly RH is operated (See
page ).
OK:
Front passenger side auto up/down function is normal.
| OK | |
END (PROBLEM DUE TO INITIALIZATION FAILURE) |
| NG | |
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH |
|
4. |
INSPECT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH |
(a) Remove the front power window regulator switch assembly RH (See page
).
(b) Inspect the front power window regulator switch assembly RH.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
5 - 7 |
Auto up or manual up position |
Below 1 Ω |
|
4 - 7 |
Auto down or manual down position |
Below 1 Ω |
|
7 - 8 |
Auto down or manual down position |
Below 1 Ω |
|
4 - 5 |
Off |
10 kΩ or higher |
| NG | |
REPLACE FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH |
|
|
5. |
CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) |
(a) Disconnect the P21 front power window regulator switch assembly RH connector.
(b) Disconnect the P22 front power window regulator motor assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
P21-8 (AUTO) - P22-4 (AUTO) |
Always |
Below 1 Ω |
|
P21-8 (AUTO) - Body ground |
Always |
10 kΩ or higher |
| OK | |
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Driver Side Power Window Auto Up / Down Function does not Operate with Power
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DESCRIPTION
If the manual up/down function can be performed but the auto up/down function
cannot, then the fail-safe mode may be functioning.
If the power window initialization (See page
) has ...
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DESCRIPTION
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