Back Door Power Window Control System

INSPECTION







1. INSPECT BACK DOOR POWER WINDOW SWITCH CONTINUITY
If continuity is not as specified, replace the switch.







2. INSPECT BACK DOOR KEY LOCK AND UNLOCK SWITCH CONTINUITY (Back Door Control Switch)
If continuity is not as specified, replace the switch.




3. INSPECT BACK DOOR POWER WINDOW MOTOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 1 and the negative ( ) lead to terminal 4 and check that the motor turns clockwise.




b. 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.







4. INSPECT BACK DOOR POWER WINDOW PULSE
a. Remove the back door ECU with the connectors still connected.
b. Connect the oscilloscope to terminals A 16 and A 17 and body ground.
c. Operate the back door power window switch.
d. Check the signal waveform according to the condition (s) in the table.

OK: As shown in the illustration




5. INSPECT JAM PROTECTION FUNCTION

NOTICE: Be careful not to get any part of your body caught when checking.

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

a. Confirmation of AUTO up operation: Confirm that the window will close fully with AUTO up operation.
b. 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.c. 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.