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Home >> Acura >> 2022 >> MDX Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Body Electrical System - System Description - DTC Troubleshooting Index >> Description & Operation >> Power Windows System Description

Power Windows System Description

Basic Control/Function 

Auto Reverse Power Window Function 

When an object is detected during the auto up operation, the window stops closing and reverses about 70 mm (2.76 in). If the window is less than halfway opened (about 220 mm (8.66 in)), it will reverse to the half open position (about 220 mm (8.66 in)). In manual operation, this function is active for the passenger power windows equipped with AUTO UP/DOWN function. This function is activated based on the calculation of the rotation speed and load change of motor's pulse A.

GHH659627Courtesy of HONDA, U.S.A., INC.

Vehicle OFF Operation Function 

The vehicle OFF operation is controlled by the power window master switch. During a certain period of time after the vehicle OFF (LOCK) mode, the window's open/close operation by the power window switches is available.

GHH659628Courtesy of HONDA, U.S.A., INC.
Vehicle OFF Operation Start Condition
  • Vehicle ON mode -> OFF (LOCK) mode
  • Driver's door switch OFF (Door close)
  • Front passenger's door switch OFF (Door close)
Vehicle OFF Operation Cancel Condition Timer Vehicle ON mode -> OFF (LOCK) mode and elapsed 10 minutes
Door Driver's door or front passenger's door switch ON (Door open)

Keyless/Key Cylinder Operation Function 

By pressing the UNLOCK (or LOCK) button on the remote a second time and holding it, the windows and the sunroof open (or close). The windows and the sunroof stop moving when the UNLOCK (or LOCK) button is released.

By turning the key a second time and holding it with the key inserted into the driver's door key cylinder, the windows and the sunroof close (or open) (turn the key to UNLOCK direction to open, turn the key to LOCK direction to close). The windows and the sunroof stop moving when the key is returned to the neutral position.

GHH659629Courtesy of HONDA, U.S.A., INC.
Keyless Operation Open Possible
Close Not possible
Key Cylinder Operation Open Possible
Close Possible

*: Control is different depending on the specifications.

Continuous Operation Stop Function 

With the vehicle in the ON mode, when reciprocating movement "upper end -> lower end -> upper end" is repeated 5 times using the AUTO or MANUAL operation of each seat, the DOWN operation is prohibited for about 30 seconds.

GHH659630Courtesy of HONDA, U.S.A., INC.

Failsafe Function 

When a failure occurs in the inputs of the motor pulses and power window switches, the failsafe function stops the control of each function.