Fail-Safe Control
Power window main switch switches power window operation to fail-safe control when malfunction is detected in encoder signal that detects up/down speed and direction of door glass. Power window main switch switches power window operation to fail-safe control when error beyond regulation value is detected between the fully closed position and the actual position of the glass.
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Error |
Error condition |
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Pulse sensor malfunction |
When only one side of pulse signal is detected for more than the specified time during glass open/close operation |
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Both pulse sensors malfunction |
When both pulse signals are not detected for more than the specified time during glass open/close operation. |
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Pulse direction malfunction |
When the pulse signal detected during glass open/close operation continues in the condition that the drive direction of power window motor is operating in the opposite direction for the specified time or longer |
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Glass recognition position malfunction 1 |
When it detects the error between glass fully closed position in power window main switch memory and actual fully closed position during glass open/close operation is more than the specified value. |
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Glass recognition position malfunction 2 |
When it detects pulse count more than the value of glass full stroke during glass open/close operation. |
It changes to condition before initialization and the following functions do not operate when power window main switch switched power window operation to fail-safe control.
- Auto-up operation
- Anti-pinch function
Perform initial operation to recover when power window main switch switched power window operation to fail-safe mode. However, it power window main switch switched power window operation back to fail-safe control when malfunction is found in power window main switch or front power window motor (driver side).