Toyota Tacoma 2015-2018 Service Manual: 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 being unable to fully close the window.
HINT:
This symptom may occur for any of the windows.
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 a power window regulator motor assembly and door window regulator
sub-assembly have been removed and installed, or if a power window regulator
motor assembly was reused when a door glass or door glass run was replaced,
initialize the power window control system (See page
).
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 (APPLICABLE LOCATION)) |
(a) Check that all door power windows move when the auto up/down function of
the multiplex network master switch assembly and power window regulator switch assembly
(for front passenger, rear LH and rear RH sides) is operated (See page
).
OK:
Auto up/down function is normal (applicable location).
| OK | .gif) |
END (PROBLEM DUE TO INITIALIZATION FAILURE) |
|
|
3. |
CHECK WINDOW GLASS SLIDING MOVEMENT (APPLICABLE LOCATION) |
(a) Remove the window regulator.
(b) Install the window glass onto the door glass run.
(c) Check if the door window regulator operates smoothly.
(d) Check that the window glass slides smoothly when sliding it up by hand.
OK:
Door window glass slides smoothly.
CAUTION:
Perform initialization again.
HINT:
Ensure the following:- The window glass fits with the glass run without improper contact or deformation.
- Foreign matter is not caught in the glass run.
- The glass run is not misaligned.
- The belt moulding or inner weatherstrip is not caught.
- The glass is not tilted and does not catch.
|
Result |
Proceed to |
|---|---|
|
NG |
A |
|
OK (Driver side power window) |
B |
|
OK (Front passenger side power window) |
C |
| A | |
FIT WINDOW GLASS CORRECTLY (REMOVE FOREIGN OBJECTS CAUSING IMPROPER FIT OR REPLACE PARTS) |
| B | |
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH |
| C | |
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH |
Auto Down Operation does not Fully Open Power Window (Catch Protection Function
is Activated)
DESCRIPTION
If a front door glass or the power window regulator motor assembly (for driver
door) or power window regulator motor assembly (front passenger door) does not operate
smoothly, the cat ...
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
NOT ...
Other materials:
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE
1. INSTALL SIDE AIRBAG SENSOR ASSEMBLY
(a) Check that the ignition switch is OFF.
(b) Check that the cable is disconnec ...
Headlight Dimmer Switch Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) receives the following switch
information:
Light control switch position is off (DRL OFF), tail, head or AUTO (DRL).
Dimmer switch position is high, low or high flash (pass).
Front fog light switch position is on or off ...
Rear Occupant Classification Sensor LH Collision Detection (B1787)
DESCRIPTION
DTC B1787 is set when the occupant detection ECU receives a collision detection
signal, which is sent by the occupant classification sensor rear LH when an accident
occurs.
DTC B1787 is also set when the front seat with adjuster frame assembly RH is
subjected to a strong impact, ...