Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated)

Toyota Tacoma 2015-2018 Service Manual / Window / Glass / Power Window Control System(w/ Jam Protection Function) / 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 If a power window regulator motor assembly and door window regulator ).
  • 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 ).

NEXT

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: OK: ).

OK:

Auto up/down function is normal (applicable location).

OK

END (PROBLEM DUE TO INITIALIZATION FAILURE)

NG

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

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

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