Honda Fit: Power Windows System Description

The system is composed of the power window control unit (built into the power window master switch) and the driver's power window motor.

The driver's power window motor incorporates a Hall IC unit (pulser) which generates pulses during the motor's operation and sends pulses to the power window control unit. As soon as the power window control unit detects a change in the pulse frequency from the Hall IC unit (pulser), the power window control unit makes the power window motor stop and reverse. This prevents pinching your hand or fingers during auto-up operation. The anti-pinch function does not work when the power window master switch is held in the closed position.

See also:

Transmission End Cover Air Check Valve Inspection and Replacement (A/T)
NOTE: There are two types of the transmission end cover; the type A and the type B; and both types are available. The differences between the types A and B of the end covers are: ...

Mainshaft Reassembly (M/T)
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System Initialization
The navigation system must be initialized if power to the navigation system is interrupted for any reason (e.g., the battery was disconnected). ...