Hyundai Elantra (CN7): Power Windows / Description and operation

Hyundai Elantra (CN7) 2021-2025 Service Manual / Body Electrical System / Power Windows / Description and operation

Function of Safety Power Window
When driver door power window auto-up switch is operated, safety function is activated.
1.
Safety function condition
When detect the force of 100N (using the 10N/mm spring) during the window rising, window is reversed.
2.
Length of window reversing (except holding the auto-up switch)
–
When detect the jamming during the 4mm - 250mm from top of the door.
→ Window is reversed until 300mm from top of the door.

–
When detect the jamming over the 250mm from top of the door.
→ Window is reversed until 50mm from jamming position.

3.
Length of window reversing (holding the auto-up switch)
–
When detect the jamming during holding the auto-up switch.
→ Window is reverse until 25mm from jamming position.
–
Auto-up function is not available during the 5 seconds from above condition.
→ When holding the auto-up switch, window is operated as a manual-up function. (Safety function is not activated.)
–
When holding the auto-up switch after 5 seconds from above condition.
→ Window is reverse until 25mm from jamming position.

4.
Safety function is not available area
Safety function is not available during the 4mm from top of the door.
Initializing Method of the Safety Power Window
1.
Initializing of Battery Connection
When the battery power is removed for over 5 minutes, safety power window switch need the initializing.
(1)
Power window operation before initializing
–
Manual-Up/Down function is available
–
Auto-Up function is not available
(When holding the auto-up/down switch, window is operated as a manual-up/down.)
(2)
Initializing method
Close the window in window open position, and holding the switch in window full close position over the 0.2 second.
(If start the closing the window in window full close position, initializing could be failed.)
(3)
If initialize the safety power window in jamming status, could occur below conditions.
–
Safety function is not available
2.
Initializing of fail safe mode
(1)
If the window moved by compulsion and motor have a problem, power window switch could be entering the fail safe mode for user’s safety.
(2)
Power window operation in fail mode
–
Auto/Manual-Down function is available
–
Auto/Manual-Up function is not available
(When auto/manual-up is operated, window is rising 20mm and is stopped the moving.)

    Component Location1. DDM (Driver Door Module)2. ADM (Assistant Door Module)3. Front/Rear window motor4. RDM / RLDM (Rear Door Module)

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