Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection

1. Power window system circuit

2. Inspect power window regulator master switch assy

2. Inspect power window regulator master switch assy

  1. Inspect the master switch continuity.

[Drivers switch (window unlock and lock)]

Standard:

[Front passengers switch (window unlock)]

[Front passengers switch (window unlock)] standard:

[Front passengers switch (window lock)]

[Front passengers switch (window lock)] standard:

[Rear left switch (window unlock)]

[Rear left switch (window unlock)] standard:

[Rear left switch (window lock)]

[Rear left switch (window lock)] standard:

[Rear right switch (window unlock)]

[Rear right switch (window unlock)] standard:

[Rear right switch (window lock)]

[Rear right switch (window lock)] standard:

If the result is not as specified, replace the master switch.

If the result is not as specified, replace the master switch.

  1. Inspect the master switch illumination.

Standard:

If the result is not as specified, replace the master switch.

If the result is not as specified, replace the master switch.

3. Inspect power window regulator switch assy

Hint:

Hint

: all the regulator switches (front passengers, rear left, rear right) should be inspected in the same procedure.

  1.  inspect the regulator switch continuity.

Standard:

If the result is not as specified, replace the regulator switch.

If the result is not as specified, replace the regulator switch.

4. Inspect power window regulator motor

  1. Inspect the regulator motor operation.

Hint

:

  1.  Check that the motor operates smoothly when the battery positive voltage is applied to each terminal of the connector.

Standard [drivers side and rear rh side]:

Standard [front passengers side and rear lh side]:

Standard [front passengers side and rear lh side]:

If the result is not as specified, replace the motor.

If the result is not as specified, replace the motor.

  1. Inspect the ptc operation inside the regulator motor.

Notice

: the inspection should be performed with the power window regulator and door glass installed to the vehicle.

  1.  Set a dc 400 a probe of the toyota electrical tester in the wire harness of terminal 4 or 5.

Notice

: match the arrow mark of the probe with the current direction.

  1.  Set the door glass in the fully closed position.
  2.  When 60 seconds have elapsed after the door glass is fully closed, check how long it takes for the current to change from approximately 16 34 a into 1 a or less when the power window switch is turned up once again.

Standard: approximately 4 90 seconds

  1. When approximately 60 seconds have elapsed after the inspection of the current cutoff, check that the door glass goes down when the power window regulator switch is turned down.

If the result is not as specified, replace the motor.

5. Inspect relay (making: p/w)

  1. Remove the power window relay from the instrument panel j/b.
  2.  inspect the power window relay.

If the result is not as specified, replace the relay.

If the result is not as specified, replace the relay.

Onvehicle inspection
1. Check basic function (manual operation function)  turn the ignition switch on.  Check that the door glass moves up when each window switch of the regulator master switch as ...

Windshield glass
...

Other materials:

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Inspection procedure
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Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circ ...

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