Toyota Tacoma (2015-2018) Service Manual: Jam Protection Function does not Operate
DESCRIPTION
This symptom may occur for any of the windows.
The jam protection function operates within a specified range during the manual up or auto up operation.
CAUTION / NOTICE / HINT
NOTICE:
- If a power window regulator motor assembly has been replaced with a
new one, initialize the power window control system (See page
.gif)
). - If the pulse sensor built into the power window regulator motor assemblies
is malfunctioning, the power window control system enters fail-safe mode.
The jam protection function cannot be operated during fail-safe mode (See
page ).
- After the jam protection function operates when an auto up or manual up operation is performed, the jam protection function will not operate when the manual up operation is performed again within approximately 4 seconds.
- After the catch protection function operates when an auto down or manual down operation is performed, the jam protection function will not operate when the manual down operation is performed again within approximately 4 seconds.
PROCEDURE
|
1. |
PERFORM INITIALIZATION (APPLICABLE LOCATION) |
(a) Initialize the power window regulator motor assembly (applicable location)
(See page ).
|
.gif)
|
2. |
CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP/DOWN FUNCTION) |
(a) Check if the power window auto up/down function operates normally (See page
).
OK:
Auto up/down function is normal.
| NG | .gif) |
GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) |
|
|
3. |
CHECK JAM PROTECTION FUNCTION OPERATING RANGE |
(a) Check if the jam protection function operates normally for the applicable power window.
HINT:
The jam protection function will not operate within 4 mm (0.157 in.) of the fully closed position.
OK:
Jam protection function operates normally.
Result|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (Driver side power window) |
B |
|
NG (Front passenger side power window) |
C |
| A | |
END (PROBLEM DUE TO INITIALIZATION FAILURE) |
| B | |
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH |
| C | |
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH |
Auto Up Operation does not Fully Close Power Window (Jam Protection Function
is Activated)
DESCRIPTION
If a door glass or a power window regulator motor assembly does not operate smoothly,
the jam protection function may be triggered automatically, resulting in the auto
up function bei ...
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Inspection
INSPECTION
PROCEDURE
1. INSPECT MAGNET-CLUTCH RELAY
(a) Check the resistance.
(1) Using an ohmmeter, measure the resistance between the terminals.
Standard:
Tester Connection
Specified Condition
3 - 5
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HYDRAULIC TEST
1. PERFORM HYDRAULIC TEST
(a) Measure the line pressure.
CAUTION:
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Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when deciding whether a part
is faulty or not.
HINT:
Using the Techstream to read the Data List allows t ...
