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Fail-Safe Control

Switches to fail-safe control when malfunction is detected in encoder signal that detects up/down speed and direction of door glass. Switches to fail-safe control when a signal that is out of the specified value is detected between the fully closed position and the actual position of the glass.

Error Error Condition
Pulse Sensor malfunction When only one side of pulse signal is being detected for more than the specified value.
Both Pulse Sensors malfunction When both pulse signals have not been detected for more than the specified value during glass open/close operation.
Pulse direction malfunction When the pulse signal that is detected during glass open/close operation detects the opposite condition of Power Window Motor operating direction.
Glass recognition position malfunction 1 When it detects the error between glass fully closed position in power window switch memory and actual fully closed position during glass open/close operation is more than the specified value.
Glass recognition position malfunction 2 When it detects pulse count more than the value of glass full stroke during glass open/close operation.

If fail-safe control, the system changes to a non-initialized condition and the following function do not operate.

When fail-safe control is activated, perform initialization procedure to recover. If a malfunction is detected in power window switch or more, fail-safe control is activated again.