Honda Odyssey Service Manual: Auto Reverse Power Window Operation

Honda Odyssey Service Manual / Body / Glass & Windows / Side Windows / Auto Reverse Power Window Operation

The system is composed of the MICU, the door multiplex control unit (built into the power window master switch), the front passenger's power window control unit (built into the front passenger's power window switch), and the power window motors.

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

HALL IC UNIT(PULSER)MAGNETPOWER WINDOW MOTORPOWER WINDOWMASTER SWITCHSensorMAGNETICICNSPeriod ofpulsesPeriod of pulsesPosition when the windowcontacts somethingThreshold value for judgment of auto reversePeriod ofpulses

Key Cylinder Operation

With the key inserted in the driver's door key cylinder, turn the key twice within 10 seconds and hold it to operate the windows and moonroof (clockwise to open, counterclockwise to close). The windows and moonroof stop moving when the key is released. The auto reverse operation is not active when closing the windows and moonroof with the key cylinder.

Keyless Operation

By pressing and holding the UNLOCK button of the keyless transmitter twice within 10 seconds, the windows and moonroof open. The windows and moonroof stop moving when the UNLOCK button is released. The windows do not close with the LOCK button.

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