NO.6 THE DRIVER'S SIDE POWER WINDOW AUTOMATICALLY OPENS IN THE CLOSING OPERATION [POWER WINDOW SYSTEMS (WITH AUTO-OPEN/CLOSE FUNCTION FOR DRIVER-SIDE)]

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The driver’s side power window automatically opens in the closing operation.
POSSIBLE CAUSE
•  Increase sliding resistance of door glass while raising the glass.
―  Improper installation of side visor
―  Regulator motor malfunction
―  Pinch any foreign material between door glass and door glass run channel
―  Inadequate installation of carrier plate and door glass
―  Door glass run channel malfunction
―  Door glass guide malfunction
Note
•  When the switch detects to pinch something, auto reverse pinch protection function operates to open the door glass automatically.
•  If the sliding resistance of door glass is increased and door glass raising speed is slow down, the auto reverse pinch protection function sometime operates.
•  If the door glass raising speed is slow down, inspect the following parts:
―  If door glass rotates forward slightly: inspect the vehicle front side of door glass guide and/or door glass run channel.
―  If door glass rotates backward slightly: inspect the vehicle rear side of door glass guide and/or door glass run channel.

Diagnostic procedure

STEP

INSPECTION

ACTION
1
•  Confirm the symptom.
•  Does the symptom occur under the following condition?
―  Bumping road.
―  Opening/closing door.
Yes
System is normal.
(Explain to customer that this is normal operation on this system.)
No
Go to the next step.
2
•  Inspect the side visor installation condition.
•  Is the side visor normal?
Yes
Go to the next step.
No
Install the side visor properly, then go to the next step.
3
•  Put any tape on the back side of the door glass.
•  Run the engine at idle.
•  Inspect the door glass operating speed.
•  Is there any speed change? (e.g., slow down)
Yes
Put the mark the speed change position on either door shell or door glass run channel. Go to STEP 5.
No
Go to the next step.
4
•  Inspect the door glass operating speed again
•  Is the speed change frequently (e.g., 5-6 times)?
Yes
Replace the regulator motor. Then go to STEP 8.
No
Go to Step 8.
5
•  Is there any foreign material between door glass run channel and door glass?
•  Is there any rough surface on the sliding surface?
Yes
If there is any foreign material:
•  Remove the foreign material.
If there is any rough surface on the sliding surface:
•  Replace the door glass run channel.
Confirm the symptom again. If there is a same symptom, return to STEP 3.
No
Go to the next step.
6
•  Inspect the installation condition of carrier plate and door glass.
•  Are both parts installed securely?
Yes
Go to the next step.
No
Install them securely. Confirm the symptom again.
If there is a same symptom, return to STEP 3.
7
•  Inspect the door glass run channel and door glass guide.
•  Are both parts normal?
Yes
Go to the next step.
No
Install door glass run channel and door glass guide properly. Confirm the symptom again.
If there is a same symptom, return to STEP 3.
8
•  Inspect the door glass operating speed.
•  Is there any speed change?
Yes
Perform STEP 3 in this procedure again.
No
Troubleshooting is completed.

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