Back Door Power Window Control System: Inspection

If continuity is not as specified, replace the switch.

Fig 1: Inspecting Back Door Power Window Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the switch.

Fig 2: Inspecting Back Door Key Lock And Unlock Switch Continuity (Back Door Control Switch)

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1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 4 and check that the motor turns clockwise.
   Fig 3: Connecting Battery To Terminals And Checking Motor Turns Clockwise

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the positive (+) lead from the battery to terminal 4 and the negative (-) lead to terminal 1 and check that the motor turns counterclockwise.

   If operation is not as specified, replace the back door power window motor.

   Fig 4: Connecting Battery To Terminals And Checking Motor Turns Counterclockwise

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the back door ECU with the connectors still connected.
2. Connect the oscilloscope to terminals A-16 and A-17 and body ground.
3. Operate the back door power window switch.
4. Check the signal waveform according to the condition (s) in WAVEFORM CONDITION  .
   WAVEFORM CONDITION
   
   

   Item	Condition
   Tool setting	5V/DIV, 10 ms/DIV
   Vehicle condition	Ignition switch ON

   Fig 5: Inspecting Back Door Power Window Pulse Sensor (Using Oscilloscope)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: 

   As shown in  Fig 6 

   Fig 6: Inspecting Signal Waveform Graph

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

When performing resetting of the limit switch, do checking after repeating up and down of the glass with automatic operation.

1. Confirmation of AUTO up operation:

   Confirm that the window will close fully with AUTO up operation.

2. Checking operation of the jam protection function:
   1. Raise the window with AUTO up operation and check that the window goes down when it touches the inserted handle of the hammer.
   2. Confirm that the window will then stop going down after about 200 mm (7.87 in).

   HINT:

   When removing the glass, glass guide, regulator, etc. be sure to perform a check of the jam protection function.

   If the jam protection is not functioning properly, adjust the power window motor switch and pulse switch.